Merge branches 'clk-renesas', 'clk-determine-rate', 'clk-allwinner', 'clk-samsung' and 'clk-amlogic' into clk-next

- Make clk_ops::determine_rate mandatory for muxes * clk-renesas: clk: renesas: rzg2l: Convert to readl_poll_timeout_atomic() clk: renesas: mstp: Convert to readl_poll_timeout_atomic() clk: renesas: cpg-mssr: Convert to readl_poll_timeout_atomic() iopoll: Do not use timekeeping in read_poll_timeout_atomic() iopoll: Call cpu_relax() in busy loops clk: renesas: rzg2l: Fix CPG_SIPLL5_CLK1 register write clk: renesas: r8a779a0: Add PWM clock * clk-determine-rate: (71 commits) clk: sprd: composite: Simplify determine_rate implementation ASoC: tlv320aic32x4: pll: Remove impossible condition in clk_aic32x4_pll_determine_rate() clk: Fix best_parent_rate after moving code into a separate function clk: Forbid to register a mux without determine_rate ASoC: tlv320aic32x4: div: Switch to determine_rate ASoC: tlv320aic32x4: pll: Switch to determine_rate clk: tegra: super: Switch to determine_rate clk: tegra: periph: Switch to determine_rate clk: stm32: composite: Switch to determine_rate clk: st: flexgen: Switch to determine_rate clk: sprd: composite: Switch to determine_rate clk: ingenic: tcu: Switch to determine_rate clk: ingenic: cgu: Switch to determine_rate clk: imx: scu: Switch to determine_rate clk: da8xx: clk48: Switch to determine_rate clk: si5351: clkout: Switch to determine_rate clk: si5351: msynth: Switch to determine_rate clk: si5351: pll: Switch to determine_rate clk: si5341: Switch to determine_rate clk: cdce706: clkout: Switch to determine_rate ... * clk-allwinner: clk: sunxi-ng: a64: force select PLL_MIPI in TCON0 mux * clk-samsung: clk: samsung: add CONFIG_OF dependency clk: samsung: Re-add support for Exynos4212 CPU clock clk: samsung: Add Exynos4212 compatible to CLKOUT driver dt-bindings: clock: samsung,exynos: add Exynos4212 clock compatible * clk-amlogic: MAINTAINERS: repair pattern in ARM/Amlogic Meson SoC CLOCK FRAMEWORK clk: meson: pll: remove unneeded semicolon clk: meson: a1: Staticize rtc clk clk: meson: a1: add Amlogic A1 Peripherals clock controller driver clk: meson: a1: add Amlogic A1 PLL clock controller driver clk: meson: introduce new pll power-on sequence for A1 SoC family clk: meson: make pll rst bit as optional dt-bindings: clock: meson: add A1 Peripherals clock controller bindings dt-bindings: clock: meson: add A1 PLL clock controller bindings
2024-11-11 04:18:39 +08:00 · 2023-06-26 08:55:04 -07:00 · 2023-06-26 08:55:04 -07:00 · 6e11940ab3
commit 6e11940ab3
parent e155a36607 e90f15be24 587dd448d9 29d7088810 59374d08b2 9390860900
72 changed files with 3713 additions and 283 deletions
--- a/Documentation/devicetree/bindings/clock/amlogic,a1-peripherals-clkc.yaml
+++ b/Documentation/devicetree/bindings/clock/amlogic,a1-peripherals-clkc.yaml
@ -0,0 +1,73 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/amlogic,a1-peripherals-clkc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Amlogic A1 Peripherals Clock Control Unit
+
+maintainers:
+  - Neil Armstrong <neil.armstrong@linaro.org>
+  - Jerome Brunet <jbrunet@baylibre.com>
+  - Jian Hu <jian.hu@jian.hu.com>
+  - Dmitry Rokosov <ddrokosov@sberdevices.ru>
+
+properties:
+  compatible:
+    const: amlogic,a1-peripherals-clkc
+
+  '#clock-cells':
+    const: 1
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    items:
+      - description: input fixed pll div2
+      - description: input fixed pll div3
+      - description: input fixed pll div5
+      - description: input fixed pll div7
+      - description: input hifi pll
+      - description: input oscillator (usually at 24MHz)
+
+  clock-names:
+    items:
+      - const: fclk_div2
+      - const: fclk_div3
+      - const: fclk_div5
+      - const: fclk_div7
+      - const: hifi_pll
+      - const: xtal
+
+required:
+  - compatible
+  - '#clock-cells'
+  - reg
+  - clocks
+  - clock-names
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/amlogic,a1-pll-clkc.h>
+    apb {
+        #address-cells = <2>;
+        #size-cells = <2>;
+
+        clock-controller@800 {
+            compatible = "amlogic,a1-peripherals-clkc";
+            reg = <0 0x800 0 0x104>;
+            #clock-cells = <1>;
+            clocks = <&clkc_pll CLKID_FCLK_DIV2>,
+                     <&clkc_pll CLKID_FCLK_DIV3>,
+                     <&clkc_pll CLKID_FCLK_DIV5>,
+                     <&clkc_pll CLKID_FCLK_DIV7>,
+                     <&clkc_pll CLKID_HIFI_PLL>,
+                     <&xtal>;
+            clock-names = "fclk_div2", "fclk_div3",
+                          "fclk_div5", "fclk_div7",
+                          "hifi_pll", "xtal";
+        };
+    };
--- a/Documentation/devicetree/bindings/clock/amlogic,a1-pll-clkc.yaml
+++ b/Documentation/devicetree/bindings/clock/amlogic,a1-pll-clkc.yaml
@ -0,0 +1,59 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/amlogic,a1-pll-clkc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Amlogic A1 PLL Clock Control Unit
+
+maintainers:
+  - Neil Armstrong <neil.armstrong@linaro.org>
+  - Jerome Brunet <jbrunet@baylibre.com>
+  - Jian Hu <jian.hu@jian.hu.com>
+  - Dmitry Rokosov <ddrokosov@sberdevices.ru>
+
+properties:
+  compatible:
+    const: amlogic,a1-pll-clkc
+
+  '#clock-cells':
+    const: 1
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    items:
+      - description: input fixpll_in
+      - description: input hifipll_in
+
+  clock-names:
+    items:
+      - const: fixpll_in
+      - const: hifipll_in
+
+required:
+  - compatible
+  - '#clock-cells'
+  - reg
+  - clocks
+  - clock-names
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/amlogic,a1-peripherals-clkc.h>
+    apb {
+        #address-cells = <2>;
+        #size-cells = <2>;
+
+        clock-controller@7c80 {
+            compatible = "amlogic,a1-pll-clkc";
+            reg = <0 0x7c80 0 0x18c>;
+            #clock-cells = <1>;
+            clocks = <&clkc_periphs CLKID_FIXPLL_IN>,
+                     <&clkc_periphs CLKID_HIFIPLL_IN>;
+            clock-names = "fixpll_in", "hifipll_in";
+        };
+    };
--- a/Documentation/devicetree/bindings/clock/samsung,exynos-clock.yaml
+++ b/Documentation/devicetree/bindings/clock/samsung,exynos-clock.yaml
@ -24,6 +24,7 @@ properties:
          - samsung,exynos3250-cmu-dmc
          - samsung,exynos3250-cmu-isp
          - samsung,exynos4210-clock
+          - samsung,exynos4212-clock
          - samsung,exynos4412-clock
          - samsung,exynos5250-clock
      - items:
--- a/1
+++ b/1
@ -1888,6 +1888,7 @@ L:	linux-amlogic@lists.infradead.org
 S:	Maintained
 F:	Documentation/devicetree/bindings/clock/amlogic*
 F:	drivers/clk/meson/
+F:	include/dt-bindings/clock/amlogic,a1*
 F:	include/dt-bindings/clock/gxbb*
 F:	include/dt-bindings/clock/meson*

--- a/drivers/clk/actions/owl-composite.c
+++ b/drivers/clk/actions/owl-composite.c
@ -53,13 +53,19 @@ static int owl_comp_is_enabled(struct clk_hw *hw)
 	return owl_gate_clk_is_enabled(common, &comp->gate_hw);
 }

-static long owl_comp_div_round_rate(struct clk_hw *hw, unsigned long rate,
-				unsigned long *parent_rate)
+static int owl_comp_div_determine_rate(struct clk_hw *hw,
+				       struct clk_rate_request *req)
 {
 	struct owl_composite *comp = hw_to_owl_comp(hw);
+	long rate;

-	return owl_divider_helper_round_rate(&comp->common, &comp->rate.div_hw,
-					rate, parent_rate);
+	rate = owl_divider_helper_round_rate(&comp->common, &comp->rate.div_hw,
+					     req->rate, &req->best_parent_rate);
+	if (rate < 0)
+		return rate;
+
+	req->rate = rate;
+	return 0;
 }

 static unsigned long owl_comp_div_recalc_rate(struct clk_hw *hw,
@ -80,14 +86,20 @@ static int owl_comp_div_set_rate(struct clk_hw *hw, unsigned long rate,
 					rate, parent_rate);
 }

-static long owl_comp_fact_round_rate(struct clk_hw *hw, unsigned long rate,
-			unsigned long *parent_rate)
+static int owl_comp_fact_determine_rate(struct clk_hw *hw,
+					struct clk_rate_request *req)
 {
 	struct owl_composite *comp = hw_to_owl_comp(hw);
+	long rate;

-	return owl_factor_helper_round_rate(&comp->common,
-					&comp->rate.factor_hw,
-					rate, parent_rate);
+	rate = owl_factor_helper_round_rate(&comp->common,
+					    &comp->rate.factor_hw,
+					    req->rate, &req->best_parent_rate);
+	if (rate < 0)
+		return rate;
+
+	req->rate = rate;
+	return 0;
 }

 static unsigned long owl_comp_fact_recalc_rate(struct clk_hw *hw,
@ -152,7 +164,7 @@ const struct clk_ops owl_comp_div_ops = {
 	.is_enabled	= owl_comp_is_enabled,

 	/* div_ops */
-	.round_rate	= owl_comp_div_round_rate,
+	.determine_rate	= owl_comp_div_determine_rate,
 	.recalc_rate	= owl_comp_div_recalc_rate,
 	.set_rate	= owl_comp_div_set_rate,
 };
@ -169,7 +181,7 @@ const struct clk_ops owl_comp_fact_ops = {
 	.is_enabled	= owl_comp_is_enabled,

 	/* fact_ops */
-	.round_rate	= owl_comp_fact_round_rate,
+	.determine_rate	= owl_comp_fact_determine_rate,
 	.recalc_rate	= owl_comp_fact_recalc_rate,
 	.set_rate	= owl_comp_fact_set_rate,
 };
@ -189,6 +201,7 @@ const struct clk_ops owl_comp_fix_fact_ops = {

 const struct clk_ops owl_comp_pass_ops = {
 	/* mux_ops */
+	.determine_rate	= clk_hw_determine_rate_no_reparent,
 	.get_parent	= owl_comp_get_parent,
 	.set_parent	= owl_comp_set_parent,

--- a/drivers/clk/at91/clk-main.c
+++ b/drivers/clk/at91/clk-main.c
@ -533,6 +533,7 @@ static const struct clk_ops sam9x5_main_ops = {
 	.prepare = clk_sam9x5_main_prepare,
 	.is_prepared = clk_sam9x5_main_is_prepared,
 	.recalc_rate = clk_sam9x5_main_recalc_rate,
+	.determine_rate = clk_hw_determine_rate_no_reparent,
 	.set_parent = clk_sam9x5_main_set_parent,
 	.get_parent = clk_sam9x5_main_get_parent,
 	.save_context = clk_sam9x5_main_save_context,
--- a/drivers/clk/at91/clk-smd.c
+++ b/drivers/clk/at91/clk-smd.c
@ -36,26 +36,31 @@ static unsigned long at91sam9x5_clk_smd_recalc_rate(struct clk_hw *hw,
 	return parent_rate / (smddiv + 1);
 }

-static long at91sam9x5_clk_smd_round_rate(struct clk_hw *hw, unsigned long rate,
-					  unsigned long *parent_rate)
+static int at91sam9x5_clk_smd_determine_rate(struct clk_hw *hw,
+					     struct clk_rate_request *req)
 {
 	unsigned long div;
 	unsigned long bestrate;
 	unsigned long tmp;

-	if (rate >= *parent_rate)
-		return *parent_rate;
+	if (req->rate >= req->best_parent_rate) {
+		req->rate = req->best_parent_rate;
+		return 0;
+	}

-	div = *parent_rate / rate;
-	if (div > SMD_MAX_DIV)
-		return *parent_rate / (SMD_MAX_DIV + 1);
+	div = req->best_parent_rate / req->rate;
+	if (div > SMD_MAX_DIV) {
+		req->rate = req->best_parent_rate / (SMD_MAX_DIV + 1);
+		return 0;
+	}

-	bestrate = *parent_rate / div;
-	tmp = *parent_rate / (div + 1);
-	if (bestrate - rate > rate - tmp)
+	bestrate = req->best_parent_rate / div;
+	tmp = req->best_parent_rate / (div + 1);
+	if (bestrate - req->rate > req->rate - tmp)
 		bestrate = tmp;

-	return bestrate;
+	req->rate = bestrate;
+	return 0;
 }

 static int at91sam9x5_clk_smd_set_parent(struct clk_hw *hw, u8 index)
@ -98,7 +103,7 @@ static int at91sam9x5_clk_smd_set_rate(struct clk_hw *hw, unsigned long rate,

 static const struct clk_ops at91sam9x5_smd_ops = {
 	.recalc_rate = at91sam9x5_clk_smd_recalc_rate,
-	.round_rate = at91sam9x5_clk_smd_round_rate,
+	.determine_rate = at91sam9x5_clk_smd_determine_rate,
 	.get_parent = at91sam9x5_clk_smd_get_parent,
 	.set_parent = at91sam9x5_clk_smd_set_parent,
 	.set_rate = at91sam9x5_clk_smd_set_rate,
--- a/drivers/clk/at91/sckc.c
+++ b/drivers/clk/at91/sckc.c
@ -310,6 +310,7 @@ static u8 clk_sam9x5_slow_get_parent(struct clk_hw *hw)
 }

 static const struct clk_ops sam9x5_slow_ops = {
+	.determine_rate = clk_hw_determine_rate_no_reparent,
 	.set_parent = clk_sam9x5_slow_set_parent,
 	.get_parent = clk_sam9x5_slow_get_parent,
 };
--- a/drivers/clk/berlin/berlin2-div.c
+++ b/drivers/clk/berlin/berlin2-div.c
@ -210,6 +210,7 @@ static unsigned long berlin2_div_recalc_rate(struct clk_hw *hw,
 }

 static const struct clk_ops berlin2_div_rate_ops = {
+	.determine_rate	= clk_hw_determine_rate_no_reparent,
 	.recalc_rate	= berlin2_div_recalc_rate,
 };

--- a/drivers/clk/clk-axi-clkgen.c
+++ b/drivers/clk/clk-axi-clkgen.c
@ -384,23 +384,25 @@ static int axi_clkgen_set_rate(struct clk_hw *clk_hw,
 	return 0;
 }

-static long axi_clkgen_round_rate(struct clk_hw *hw, unsigned long rate,
-	unsigned long *parent_rate)
+static int axi_clkgen_determine_rate(struct clk_hw *hw,
+				     struct clk_rate_request *req)
 {
 	struct axi_clkgen *axi_clkgen = clk_hw_to_axi_clkgen(hw);
 	const struct axi_clkgen_limits *limits = &axi_clkgen->limits;
 	unsigned int d, m, dout;
 	unsigned long long tmp;

-	axi_clkgen_calc_params(limits, *parent_rate, rate, &d, &m, &dout);
+	axi_clkgen_calc_params(limits, req->best_parent_rate, req->rate,
+			       &d, &m, &dout);

 	if (d == 0 || dout == 0 || m == 0)
 		return -EINVAL;

-	tmp = (unsigned long long)*parent_rate * m;
+	tmp = (unsigned long long)req->best_parent_rate * m;
 	tmp = DIV_ROUND_CLOSEST_ULL(tmp, dout * d);

-	return min_t(unsigned long long, tmp, LONG_MAX);
+	req->rate = min_t(unsigned long long, tmp, LONG_MAX);
+	return 0;
 }

 static unsigned int axi_clkgen_get_div(struct axi_clkgen *axi_clkgen,
@ -495,7 +497,7 @@ static u8 axi_clkgen_get_parent(struct clk_hw *clk_hw)

 static const struct clk_ops axi_clkgen_ops = {
 	.recalc_rate = axi_clkgen_recalc_rate,
-	.round_rate = axi_clkgen_round_rate,
+	.determine_rate = axi_clkgen_determine_rate,
 	.set_rate = axi_clkgen_set_rate,
 	.enable = axi_clkgen_enable,
 	.disable = axi_clkgen_disable,
--- a/drivers/clk/clk-cdce706.c
+++ b/drivers/clk/clk-cdce706.c
@ -155,6 +155,7 @@ static u8 cdce706_clkin_get_parent(struct clk_hw *hw)
 }

 static const struct clk_ops cdce706_clkin_ops = {
+	.determine_rate = clk_hw_determine_rate_no_reparent,
 	.set_parent = cdce706_clkin_set_parent,
 	.get_parent = cdce706_clkin_get_parent,
 };
@ -287,18 +288,19 @@ static unsigned long cdce706_divider_recalc_rate(struct clk_hw *hw,
 	return 0;
 }

-static long cdce706_divider_round_rate(struct clk_hw *hw, unsigned long rate,
-				       unsigned long *parent_rate)
+static int cdce706_divider_determine_rate(struct clk_hw *hw,
+					  struct clk_rate_request *req)
 {
 	struct cdce706_hw_data *hwd = to_hw_data(hw);
 	struct cdce706_dev_data *cdce = hwd->dev_data;
+	unsigned long rate = req->rate;
 	unsigned long mul, div;

 	dev_dbg(&hwd->dev_data->client->dev,
 		"%s, rate: %lu, parent_rate: %lu\n",
-		__func__, rate, *parent_rate);
+		__func__, rate, req->best_parent_rate);

-	rational_best_approximation(rate, *parent_rate,
+	rational_best_approximation(rate, req->best_parent_rate,
 				    1, CDCE706_DIVIDER_DIVIDER_MAX,
 				    &mul, &div);
 	if (!mul)
@ -343,8 +345,8 @@ static long cdce706_divider_round_rate(struct clk_hw *hw, unsigned long rate,

 		dev_dbg(&hwd->dev_data->client->dev,
 			"%s, altering parent rate: %lu -> %lu\n",
-			__func__, *parent_rate, rate * div);
-		*parent_rate = rate * div;
+			__func__, req->best_parent_rate, rate * div);
+		req->best_parent_rate = rate * div;
 	}
 	hwd->div = div;

@ -352,7 +354,8 @@ static long cdce706_divider_round_rate(struct clk_hw *hw, unsigned long rate,
 		"%s, divider: %d, div: %lu\n",
 		__func__, hwd->idx, div);

-	return *parent_rate / div;
+	req->rate = req->best_parent_rate / div;
+	return 0;
 }

 static int cdce706_divider_set_rate(struct clk_hw *hw, unsigned long rate,
@ -374,7 +377,7 @@ static const struct clk_ops cdce706_divider_ops = {
 	.set_parent = cdce706_divider_set_parent,
 	.get_parent = cdce706_divider_get_parent,
 	.recalc_rate = cdce706_divider_recalc_rate,
-	.round_rate = cdce706_divider_round_rate,
+	.determine_rate = cdce706_divider_determine_rate,
 	.set_rate = cdce706_divider_set_rate,
 };

@ -420,11 +423,12 @@ static unsigned long cdce706_clkout_recalc_rate(struct clk_hw *hw,
 	return parent_rate;
 }

-static long cdce706_clkout_round_rate(struct clk_hw *hw, unsigned long rate,
-				      unsigned long *parent_rate)
+static int cdce706_clkout_determine_rate(struct clk_hw *hw,
+					 struct clk_rate_request *req)
 {
-	*parent_rate = rate;
-	return rate;
+	req->best_parent_rate = req->rate;
+
+	return 0;
 }

 static int cdce706_clkout_set_rate(struct clk_hw *hw, unsigned long rate,
@ -439,7 +443,7 @@ static const struct clk_ops cdce706_clkout_ops = {
 	.set_parent = cdce706_clkout_set_parent,
 	.get_parent = cdce706_clkout_get_parent,
 	.recalc_rate = cdce706_clkout_recalc_rate,
-	.round_rate = cdce706_clkout_round_rate,
+	.determine_rate = cdce706_clkout_determine_rate,
 	.set_rate = cdce706_clkout_set_rate,
 };

--- a/drivers/clk/clk-k210.c
+++ b/drivers/clk/clk-k210.c
@ -537,6 +537,7 @@ static const struct clk_ops k210_pll2_ops = {
 	.disable	= k210_pll_disable,
 	.is_enabled	= k210_pll_is_enabled,
 	.recalc_rate	= k210_pll_get_rate,
+	.determine_rate = clk_hw_determine_rate_no_reparent,
 	.set_parent	= k210_pll2_set_parent,
 	.get_parent	= k210_pll2_get_parent,
 };
@ -635,6 +636,7 @@ static unsigned long k210_aclk_get_rate(struct clk_hw *hw,
 }

 static const struct clk_ops k210_aclk_ops = {
+	.determine_rate = clk_hw_determine_rate_no_reparent,
 	.set_parent	= k210_aclk_set_parent,
 	.get_parent	= k210_aclk_get_parent,
 	.recalc_rate	= k210_aclk_get_rate,
@ -774,6 +776,7 @@ static unsigned long k210_clk_get_rate(struct clk_hw *hw,
 static const struct clk_ops k210_clk_mux_ops = {
 	.enable		= k210_clk_enable,
 	.disable	= k210_clk_disable,
+	.determine_rate = clk_hw_determine_rate_no_reparent,
 	.set_parent	= k210_clk_set_parent,
 	.get_parent	= k210_clk_get_parent,
 	.recalc_rate	= k210_clk_get_rate,
--- a/drivers/clk/clk-lan966x.c
+++ b/drivers/clk/clk-lan966x.c
@ -103,22 +103,6 @@ static int lan966x_gck_set_rate(struct clk_hw *hw,
 	return 0;
 }

-static long lan966x_gck_round_rate(struct clk_hw *hw, unsigned long rate,
-				   unsigned long *parent_rate)
-{
-	unsigned int div;
-
-	if (rate == 0 || *parent_rate == 0)
-		return -EINVAL;
-
-	if (rate >= *parent_rate)
-		return *parent_rate;
-
-	div = DIV_ROUND_CLOSEST(*parent_rate, rate);
-
-	return *parent_rate / div;
-}
-
 static unsigned long lan966x_gck_recalc_rate(struct clk_hw *hw,
 					     unsigned long parent_rate)
 {
@ -177,7 +161,6 @@ static const struct clk_ops lan966x_gck_ops = {
 	.enable         = lan966x_gck_enable,
 	.disable        = lan966x_gck_disable,
 	.set_rate       = lan966x_gck_set_rate,
-	.round_rate     = lan966x_gck_round_rate,
 	.recalc_rate    = lan966x_gck_recalc_rate,
 	.determine_rate = lan966x_gck_determine_rate,
 	.set_parent     = lan966x_gck_set_parent,
--- a/drivers/clk/clk-lmk04832.c
+++ b/drivers/clk/clk-lmk04832.c
@ -1279,6 +1279,7 @@ static const struct clk_ops lmk04832_clkout_ops = {
 	.is_enabled = lmk04832_clkout_is_enabled,
 	.prepare = lmk04832_clkout_prepare,
 	.unprepare = lmk04832_clkout_unprepare,
+	.determine_rate = __clk_mux_determine_rate,
 	.set_parent = lmk04832_clkout_set_parent,
 	.get_parent = lmk04832_clkout_get_parent,
 };
--- a/drivers/clk/clk-lochnagar.c
+++ b/drivers/clk/clk-lochnagar.c
@ -209,6 +209,7 @@ static u8 lochnagar_clk_get_parent(struct clk_hw *hw)
 static const struct clk_ops lochnagar_clk_ops = {
 	.prepare = lochnagar_clk_prepare,
 	.unprepare = lochnagar_clk_unprepare,
+	.determine_rate = clk_hw_determine_rate_no_reparent,
 	.set_parent = lochnagar_clk_set_parent,
 	.get_parent = lochnagar_clk_get_parent,
 };
--- a/drivers/clk/clk-qoriq.c
+++ b/drivers/clk/clk-qoriq.c
@ -878,6 +878,7 @@ static u8 mux_get_parent(struct clk_hw *hw)
 }

 static const struct clk_ops cmux_ops = {
+	.determine_rate = clk_hw_determine_rate_no_reparent,
 	.get_parent = mux_get_parent,
 	.set_parent = mux_set_parent,
 };
--- a/drivers/clk/clk-si5341.c
+++ b/drivers/clk/clk-si5341.c
@ -551,6 +551,7 @@ static int si5341_clk_set_parent(struct clk_hw *hw, u8 index)
 }

 static const struct clk_ops si5341_clk_ops = {
+	.determine_rate = clk_hw_determine_rate_no_reparent,
 	.set_parent = si5341_clk_set_parent,
 	.get_parent = si5341_clk_get_parent,
 	.recalc_rate = si5341_clk_recalc_rate,
@ -827,19 +828,20 @@ static unsigned long si5341_output_clk_recalc_rate(struct clk_hw *hw,
 	return parent_rate / r_divider;
 }

-static long si5341_output_clk_round_rate(struct clk_hw *hw, unsigned long rate,
-		unsigned long *parent_rate)
+static int si5341_output_clk_determine_rate(struct clk_hw *hw,
+					    struct clk_rate_request *req)
 {
+	unsigned long rate = req->rate;
 	unsigned long r;

 	if (!rate)
 		return 0;

-	r = *parent_rate >> 1;
+	r = req->best_parent_rate >> 1;

 	/* If rate is an even divisor, no changes to parent required */
 	if (r && !(r % rate))
-		return (long)rate;
+		return 0;

 	if (clk_hw_get_flags(hw) & CLK_SET_RATE_PARENT) {
 		if (rate > 200000000) {
@ -849,14 +851,15 @@ static long si5341_output_clk_round_rate(struct clk_hw *hw, unsigned long rate,
 			/* Take a parent frequency near 400 MHz */
 			r = (400000000u / rate) & ~1;
 		}
-		*parent_rate = r * rate;
+		req->best_parent_rate = r * rate;
 	} else {
 		/* We cannot change our parent's rate, report what we can do */
 		r /= rate;
-		rate = *parent_rate / (r << 1);
+		rate = req->best_parent_rate / (r << 1);
 	}

-	return rate;
+	req->rate = rate;
+	return 0;
 }

 static int si5341_output_clk_set_rate(struct clk_hw *hw, unsigned long rate,
@ -929,7 +932,7 @@ static const struct clk_ops si5341_output_clk_ops = {
 	.prepare = si5341_output_clk_prepare,
 	.unprepare = si5341_output_clk_unprepare,
 	.recalc_rate = si5341_output_clk_recalc_rate,
-	.round_rate = si5341_output_clk_round_rate,
+	.determine_rate = si5341_output_clk_determine_rate,
 	.set_rate = si5341_output_clk_set_rate,
 	.set_parent = si5341_output_set_parent,
 	.get_parent = si5341_output_get_parent,
--- a/drivers/clk/clk-si5351.c
+++ b/drivers/clk/clk-si5351.c
@ -442,11 +442,12 @@ static unsigned long si5351_pll_recalc_rate(struct clk_hw *hw,
 	return (unsigned long)rate;
 }

-static long si5351_pll_round_rate(struct clk_hw *hw, unsigned long rate,
-				  unsigned long *parent_rate)
+static int si5351_pll_determine_rate(struct clk_hw *hw,
+				     struct clk_rate_request *req)
 {
 	struct si5351_hw_data *hwdata =
 		container_of(hw, struct si5351_hw_data, hw);
+	unsigned long rate = req->rate;
 	unsigned long rfrac, denom, a, b, c;
 	unsigned long long lltmp;

@ -456,18 +457,18 @@ static long si5351_pll_round_rate(struct clk_hw *hw, unsigned long rate,
 		rate = SI5351_PLL_VCO_MAX;

 	/* determine integer part of feedback equation */
-	a = rate / *parent_rate;
+	a = rate / req->best_parent_rate;

 	if (a < SI5351_PLL_A_MIN)
-		rate = *parent_rate * SI5351_PLL_A_MIN;
+		rate = req->best_parent_rate * SI5351_PLL_A_MIN;
 	if (a > SI5351_PLL_A_MAX)
-		rate = *parent_rate * SI5351_PLL_A_MAX;
+		rate = req->best_parent_rate * SI5351_PLL_A_MAX;

 	/* find best approximation for b/c = fVCO mod fIN */
 	denom = 1000 * 1000;
-	lltmp = rate % (*parent_rate);
+	lltmp = rate % (req->best_parent_rate);
 	lltmp *= denom;
-	do_div(lltmp, *parent_rate);
+	do_div(lltmp, req->best_parent_rate);
 	rfrac = (unsigned long)lltmp;

 	b = 0;
@ -484,19 +485,20 @@ static long si5351_pll_round_rate(struct clk_hw *hw, unsigned long rate,
 	hwdata->params.p1 -= 512;

 	/* recalculate rate by fIN * (a + b/c) */
-	lltmp  = *parent_rate;
+	lltmp  = req->best_parent_rate;
 	lltmp *= b;
 	do_div(lltmp, c);

 	rate  = (unsigned long)lltmp;
-	rate += *parent_rate * a;
+	rate += req->best_parent_rate * a;

 	dev_dbg(&hwdata->drvdata->client->dev,
 		"%s - %s: a = %lu, b = %lu, c = %lu, parent_rate = %lu, rate = %lu\n",
 		__func__, clk_hw_get_name(hw), a, b, c,
-		*parent_rate, rate);
+		req->best_parent_rate, rate);

-	return rate;
+	req->rate = rate;
+	return 0;
 }

 static int si5351_pll_set_rate(struct clk_hw *hw, unsigned long rate,
@ -533,7 +535,7 @@ static const struct clk_ops si5351_pll_ops = {
 	.set_parent = si5351_pll_set_parent,
 	.get_parent = si5351_pll_get_parent,
 	.recalc_rate = si5351_pll_recalc_rate,
-	.round_rate = si5351_pll_round_rate,
+	.determine_rate = si5351_pll_determine_rate,
 	.set_rate = si5351_pll_set_rate,
 };

@ -640,11 +642,12 @@ static unsigned long si5351_msynth_recalc_rate(struct clk_hw *hw,
 	return (unsigned long)rate;
 }

-static long si5351_msynth_round_rate(struct clk_hw *hw, unsigned long rate,
-				     unsigned long *parent_rate)
+static int si5351_msynth_determine_rate(struct clk_hw *hw,
+					struct clk_rate_request *req)
 {
 	struct si5351_hw_data *hwdata =
 		container_of(hw, struct si5351_hw_data, hw);
+	unsigned long rate = req->rate;
 	unsigned long long lltmp;
 	unsigned long a, b, c;
 	int divby4;
@ -679,10 +682,10 @@ static long si5351_msynth_round_rate(struct clk_hw *hw, unsigned long rate,
 		b = 0;
 		c = 1;

-		*parent_rate = a * rate;
+		req->best_parent_rate = a * rate;
 	} else if (hwdata->num >= 6) {
 		/* determine the closest integer divider */
-		a = DIV_ROUND_CLOSEST(*parent_rate, rate);
+		a = DIV_ROUND_CLOSEST(req->best_parent_rate, rate);
 		if (a < SI5351_MULTISYNTH_A_MIN)
 			a = SI5351_MULTISYNTH_A_MIN;
 		if (a > SI5351_MULTISYNTH67_A_MAX)
@ -700,7 +703,7 @@ static long si5351_msynth_round_rate(struct clk_hw *hw, unsigned long rate,
 		}

 		/* determine integer part of divider equation */
-		a = *parent_rate / rate;
+		a = req->best_parent_rate / rate;
 		if (a < SI5351_MULTISYNTH_A_MIN)
 			a = SI5351_MULTISYNTH_A_MIN;
 		if (a > SI5351_MULTISYNTH_A_MAX)
@ -708,7 +711,7 @@ static long si5351_msynth_round_rate(struct clk_hw *hw, unsigned long rate,

 		/* find best approximation for b/c = fVCO mod fOUT */
 		denom = 1000 * 1000;
-		lltmp = (*parent_rate) % rate;
+		lltmp = req->best_parent_rate % rate;
 		lltmp *= denom;
 		do_div(lltmp, rate);
 		rfrac = (unsigned long)lltmp;
@ -722,7 +725,7 @@ static long si5351_msynth_round_rate(struct clk_hw *hw, unsigned long rate,
 	}

 	/* recalculate rate by fOUT = fIN / (a + b/c) */
-	lltmp  = *parent_rate;
+	lltmp  = req->best_parent_rate;
 	lltmp *= c;
 	do_div(lltmp, a * c + b);
 	rate  = (unsigned long)lltmp;
@ -747,9 +750,11 @@ static long si5351_msynth_round_rate(struct clk_hw *hw, unsigned long rate,
 	dev_dbg(&hwdata->drvdata->client->dev,
 		"%s - %s: a = %lu, b = %lu, c = %lu, divby4 = %d, parent_rate = %lu, rate = %lu\n",
 		__func__, clk_hw_get_name(hw), a, b, c, divby4,
-		*parent_rate, rate);
+		req->best_parent_rate, rate);

-	return rate;
+	req->rate = rate;
+
+	return 0;
 }

 static int si5351_msynth_set_rate(struct clk_hw *hw, unsigned long rate,
@ -789,7 +794,7 @@ static const struct clk_ops si5351_msynth_ops = {
 	.set_parent = si5351_msynth_set_parent,
 	.get_parent = si5351_msynth_get_parent,
 	.recalc_rate = si5351_msynth_recalc_rate,
-	.round_rate = si5351_msynth_round_rate,
+	.determine_rate = si5351_msynth_determine_rate,
 	.set_rate = si5351_msynth_set_rate,
 };

@ -1032,11 +1037,12 @@ static unsigned long si5351_clkout_recalc_rate(struct clk_hw *hw,
 	return parent_rate >> rdiv;
 }

-static long si5351_clkout_round_rate(struct clk_hw *hw, unsigned long rate,
-				     unsigned long *parent_rate)
+static int si5351_clkout_determine_rate(struct clk_hw *hw,
+					struct clk_rate_request *req)
 {
 	struct si5351_hw_data *hwdata =
 		container_of(hw, struct si5351_hw_data, hw);
+	unsigned long rate = req->rate;
 	unsigned char rdiv;

 	/* clkout6/7 can only handle output freqencies < 150MHz */
@ -1058,13 +1064,13 @@ static long si5351_clkout_round_rate(struct clk_hw *hw, unsigned long rate,
 			rdiv += 1;
 			rate *= 2;
 		}
-		*parent_rate = rate;
+		req->best_parent_rate = rate;
 	} else {
 		unsigned long new_rate, new_err, err;

 		/* round to closed rdiv */
 		rdiv = SI5351_OUTPUT_CLK_DIV_1;
-		new_rate = *parent_rate;
+		new_rate = req->best_parent_rate;
 		err = abs(new_rate - rate);
 		do {
 			new_rate >>= 1;
@ -1075,14 +1081,15 @@ static long si5351_clkout_round_rate(struct clk_hw *hw, unsigned long rate,
 			err = new_err;
 		} while (1);
 	}
-	rate = *parent_rate >> rdiv;
+	rate = req->best_parent_rate >> rdiv;

 	dev_dbg(&hwdata->drvdata->client->dev,
 		"%s - %s: rdiv = %u, parent_rate = %lu, rate = %lu\n",
 		__func__, clk_hw_get_name(hw), (1 << rdiv),
-		*parent_rate, rate);
+		req->best_parent_rate, rate);

-	return rate;
+	req->rate = rate;
+	return 0;
 }

 static int si5351_clkout_set_rate(struct clk_hw *hw, unsigned long rate,
@ -1142,7 +1149,7 @@ static const struct clk_ops si5351_clkout_ops = {
 	.set_parent = si5351_clkout_set_parent,
 	.get_parent = si5351_clkout_get_parent,
 	.recalc_rate = si5351_clkout_recalc_rate,
-	.round_rate = si5351_clkout_round_rate,
+	.determine_rate = si5351_clkout_determine_rate,
 	.set_rate = si5351_clkout_set_rate,
 };

--- a/drivers/clk/clk-stm32f4.c
+++ b/drivers/clk/clk-stm32f4.c
@ -1045,6 +1045,7 @@ static int cclk_mux_set_parent(struct clk_hw *hw, u8 index)
 }

 static const struct clk_ops cclk_mux_ops = {
+	.determine_rate = clk_hw_determine_rate_no_reparent,
 	.get_parent = cclk_mux_get_parent,
 	.set_parent = cclk_mux_set_parent,
 };
--- a/drivers/clk/clk-versaclock5.c
+++ b/drivers/clk/clk-versaclock5.c
@ -282,6 +282,7 @@ static int vc5_mux_set_parent(struct clk_hw *hw, u8 index)
 }

 static const struct clk_ops vc5_mux_ops = {
+	.determine_rate	= clk_hw_determine_rate_no_reparent,
 	.set_parent	= vc5_mux_set_parent,
 	.get_parent	= vc5_mux_get_parent,
 };
@ -726,6 +727,7 @@ static int vc5_clk_out_set_parent(struct clk_hw *hw, u8 index)
 static const struct clk_ops vc5_clk_out_ops = {
 	.prepare	= vc5_clk_out_prepare,
 	.unprepare	= vc5_clk_out_unprepare,
+	.determine_rate	= clk_hw_determine_rate_no_reparent,
 	.set_parent	= vc5_clk_out_set_parent,
 	.get_parent	= vc5_clk_out_get_parent,
 };
--- a/drivers/clk/clk-wm831x.c
+++ b/drivers/clk/clk-wm831x.c
@ -329,6 +329,7 @@ static const struct clk_ops wm831x_clkout_ops = {
 	.is_prepared = wm831x_clkout_is_prepared,
 	.prepare = wm831x_clkout_prepare,
 	.unprepare = wm831x_clkout_unprepare,
+	.determine_rate = clk_hw_determine_rate_no_reparent,
 	.get_parent = wm831x_clkout_get_parent,
 	.set_parent = wm831x_clkout_set_parent,
 };
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@ -594,6 +594,47 @@ clk_core_forward_rate_req(struct clk_core *core,
 		req->max_rate = old_req->max_rate;
 }

+static int
+clk_core_determine_rate_no_reparent(struct clk_hw *hw,
+				    struct clk_rate_request *req)
+{
+	struct clk_core *core = hw->core;
+	struct clk_core *parent = core->parent;
+	unsigned long best;
+	int ret;
+
+	if (core->flags & CLK_SET_RATE_PARENT) {
+		struct clk_rate_request parent_req;
+
+		if (!parent) {
+			req->rate = 0;
+			return 0;
+		}
+
+		clk_core_forward_rate_req(core, req, parent, &parent_req,
+					  req->rate);
+
+		trace_clk_rate_request_start(&parent_req);
+
+		ret = clk_core_round_rate_nolock(parent, &parent_req);
+		if (ret)
+			return ret;
+
+		trace_clk_rate_request_done(&parent_req);
+
+		best = parent_req.rate;
+	} else if (parent) {
+		best = clk_core_get_rate_nolock(parent);
+	} else {
+		best = clk_core_get_rate_nolock(core);
+	}
+
+	req->best_parent_rate = best;
+	req->rate = best;
+
+	return 0;
+}
+
 int clk_mux_determine_rate_flags(struct clk_hw *hw,
 				 struct clk_rate_request *req,
 				 unsigned long flags)
@ -603,35 +644,8 @@ int clk_mux_determine_rate_flags(struct clk_hw *hw,
 	unsigned long best = 0;

 	/* if NO_REPARENT flag set, pass through to current parent */
-	if (core->flags & CLK_SET_RATE_NO_REPARENT) {
-		parent = core->parent;
-		if (core->flags & CLK_SET_RATE_PARENT) {
-			struct clk_rate_request parent_req;
-
-			if (!parent) {
-				req->rate = 0;
-				return 0;
-			}
-
-			clk_core_forward_rate_req(core, req, parent, &parent_req, req->rate);
-
-			trace_clk_rate_request_start(&parent_req);
-
-			ret = clk_core_round_rate_nolock(parent, &parent_req);
-			if (ret)
-				return ret;
-
-			trace_clk_rate_request_done(&parent_req);
-
-			best = parent_req.rate;
-		} else if (parent) {
-			best = clk_core_get_rate_nolock(parent);
-		} else {
-			best = clk_core_get_rate_nolock(core);
-		}
-
-		goto out;
-	}
+	if (core->flags & CLK_SET_RATE_NO_REPARENT)
+		return clk_core_determine_rate_no_reparent(hw, req);

 	/* find the parent that can provide the fastest rate <= rate */
 	num_parents = core->num_parents;
@ -670,9 +684,7 @@ int clk_mux_determine_rate_flags(struct clk_hw *hw,
 	if (!best_parent)
 		return -EINVAL;

-out:
-	if (best_parent)
-		req->best_parent_hw = best_parent->hw;
+	req->best_parent_hw = best_parent->hw;
 	req->best_parent_rate = best;
 	req->rate = best;

@ -772,6 +784,25 @@ int __clk_mux_determine_rate_closest(struct clk_hw *hw,
 }
 EXPORT_SYMBOL_GPL(__clk_mux_determine_rate_closest);

+/*
+ * clk_hw_determine_rate_no_reparent - clk_ops::determine_rate implementation for a clk that doesn't reparent
+ * @hw: mux type clk to determine rate on
+ * @req: rate request, also used to return preferred frequency
+ *
+ * Helper for finding best parent rate to provide a given frequency.
+ * This can be used directly as a determine_rate callback (e.g. for a
+ * mux), or from a more complex clock that may combine a mux with other
+ * operations.
+ *
+ * Returns: 0 on success, -EERROR value on error
+ */
+int clk_hw_determine_rate_no_reparent(struct clk_hw *hw,
+				      struct clk_rate_request *req)
+{
+	return clk_core_determine_rate_no_reparent(hw, req);
+}
+EXPORT_SYMBOL_GPL(clk_hw_determine_rate_no_reparent);
+
 /***        clk api        ***/

 static void clk_core_rate_unprotect(struct clk_core *core)
@ -1549,6 +1580,7 @@ void clk_hw_forward_rate_request(const struct clk_hw *hw,
 				  parent->core, req,
 				  parent_rate);
 }
+EXPORT_SYMBOL_GPL(clk_hw_forward_rate_request);

 static bool clk_core_can_round(struct clk_core * const core)
 {
@ -3745,6 +3777,13 @@ static int __clk_core_init(struct clk_core *core)
 		goto out;
 	}

+	if (core->ops->set_parent && !core->ops->determine_rate) {
+		pr_err("%s: %s must implement .set_parent & .determine_rate\n",
+			__func__, core->name);
+		ret = -EINVAL;
+		goto out;
+	}
+
 	if (core->num_parents > 1 && !core->ops->get_parent) {
 		pr_err("%s: %s must implement .get_parent as it has multi parents\n",
 		       __func__, core->name);
@ -4301,11 +4340,18 @@ static int clk_nodrv_set_parent(struct clk_hw *hw, u8 index)
 	return -ENXIO;
 }

+static int clk_nodrv_determine_rate(struct clk_hw *hw,
+				    struct clk_rate_request *req)
+{
+	return -ENXIO;
+}
+
 static const struct clk_ops clk_nodrv_ops = {
 	.enable		= clk_nodrv_prepare_enable,
 	.disable	= clk_nodrv_disable_unprepare,
 	.prepare	= clk_nodrv_prepare_enable,
 	.unprepare	= clk_nodrv_disable_unprepare,
+	.determine_rate	= clk_nodrv_determine_rate,
 	.set_rate	= clk_nodrv_set_rate,
 	.set_parent	= clk_nodrv_set_parent,
 };
--- a/drivers/clk/clk_test.c
+++ b/drivers/clk/clk_test.c
@ -104,6 +104,23 @@ static const struct clk_ops clk_dummy_minimize_rate_ops = {
 };

 static const struct clk_ops clk_dummy_single_parent_ops = {
+	/*
+	 * FIXME: Even though we should probably be able to use
+	 * __clk_mux_determine_rate() here, if we use it and call
+	 * clk_round_rate() or clk_set_rate() with a rate lower than
+	 * what all the parents can provide, it will return -EINVAL.
+	 *
+	 * This is due to the fact that it has the undocumented
+	 * behaviour to always pick up the closest rate higher than the
+	 * requested rate. If we get something lower, it thus considers
+	 * that it's not acceptable and will return an error.
+	 *
+	 * It's somewhat inconsistent and creates a weird threshold
+	 * between rates above the parent rate which would be rounded to
+	 * what the parent can provide, but rates below will simply
+	 * return an error.
+	 */
+	.determine_rate = __clk_mux_determine_rate_closest,
 	.set_parent = clk_dummy_single_set_parent,
 	.get_parent = clk_dummy_single_get_parent,
 };
@ -141,6 +158,12 @@ static const struct clk_ops clk_multiple_parents_mux_ops = {
 	.determine_rate = __clk_mux_determine_rate_closest,
 };

+static const struct clk_ops clk_multiple_parents_no_reparent_mux_ops = {
+	.determine_rate = clk_hw_determine_rate_no_reparent,
+	.get_parent = clk_multiple_parents_mux_get_parent,
+	.set_parent = clk_multiple_parents_mux_set_parent,
+};
+
 static int clk_test_init_with_ops(struct kunit *test, const struct clk_ops *ops)
 {
 	struct clk_dummy_context *ctx;
@ -266,7 +289,8 @@ static void clk_test_round_set_get_rate(struct kunit *test)
 	struct clk_dummy_context *ctx = test->priv;
 	struct clk_hw *hw = &ctx->hw;
 	struct clk *clk = clk_hw_get_clk(hw, NULL);
-	unsigned long rounded_rate, set_rate;
+	unsigned long set_rate;
+	long rounded_rate;

 	rounded_rate = clk_round_rate(clk, DUMMY_CLOCK_RATE_1);
 	KUNIT_ASSERT_GT(test, rounded_rate, 0);
@ -851,7 +875,7 @@ clk_test_orphan_transparent_multiple_parent_mux_set_range_round_rate(struct kuni
 	struct clk_multiple_parent_ctx *ctx = test->priv;
 	struct clk_hw *hw = &ctx->hw;
 	struct clk *clk = clk_hw_get_clk(hw, NULL);
-	unsigned long rate;
+	long rate;
 	int ret;

 	ret = clk_set_rate_range(clk, DUMMY_CLOCK_RATE_1, DUMMY_CLOCK_RATE_2);
@ -1090,7 +1114,7 @@ clk_test_single_parent_mux_set_range_round_rate_parent_only(struct kunit *test)
 	struct clk_hw *hw = &ctx->hw;
 	struct clk *clk = clk_hw_get_clk(hw, NULL);
 	struct clk *parent;
-	unsigned long rate;
+	long rate;
 	int ret;

 	parent = clk_get_parent(clk);
@ -1120,7 +1144,7 @@ clk_test_single_parent_mux_set_range_round_rate_child_smaller(struct kunit *test
 	struct clk_hw *hw = &ctx->hw;
 	struct clk *clk = clk_hw_get_clk(hw, NULL);
 	struct clk *parent;
-	unsigned long rate;
+	long rate;
 	int ret;

 	parent = clk_get_parent(clk);
@ -1158,7 +1182,7 @@ clk_test_single_parent_mux_set_range_round_rate_parent_smaller(struct kunit *tes
 	struct clk_hw *hw = &ctx->hw;
 	struct clk *clk = clk_hw_get_clk(hw, NULL);
 	struct clk *parent;
-	unsigned long rate;
+	long rate;
 	int ret;

 	parent = clk_get_parent(clk);
@ -2394,10 +2418,156 @@ static struct kunit_suite clk_mux_notifier_test_suite = {
 	.test_cases = clk_mux_notifier_test_cases,
 };

+static int
+clk_mux_no_reparent_test_init(struct kunit *test)
+{
+	struct clk_multiple_parent_ctx *ctx;
+	const char *parents[2] = { "parent-0", "parent-1"};
+	int ret;
+
+	ctx = kunit_kzalloc(test, sizeof(*ctx), GFP_KERNEL);
+	if (!ctx)
+		return -ENOMEM;
+	test->priv = ctx;
+
+	ctx->parents_ctx[0].hw.init = CLK_HW_INIT_NO_PARENT("parent-0",
+							    &clk_dummy_rate_ops,
+							    0);
+	ctx->parents_ctx[0].rate = DUMMY_CLOCK_RATE_1;
+	ret = clk_hw_register(NULL, &ctx->parents_ctx[0].hw);
+	if (ret)
+		return ret;
+
+	ctx->parents_ctx[1].hw.init = CLK_HW_INIT_NO_PARENT("parent-1",
+							    &clk_dummy_rate_ops,
+							    0);
+	ctx->parents_ctx[1].rate = DUMMY_CLOCK_RATE_2;
+	ret = clk_hw_register(NULL, &ctx->parents_ctx[1].hw);
+	if (ret)
+		return ret;
+
+	ctx->current_parent = 0;
+	ctx->hw.init = CLK_HW_INIT_PARENTS("test-mux", parents,
+					   &clk_multiple_parents_no_reparent_mux_ops,
+					   0);
+	ret = clk_hw_register(NULL, &ctx->hw);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
+static void
+clk_mux_no_reparent_test_exit(struct kunit *test)
+{
+	struct clk_multiple_parent_ctx *ctx = test->priv;
+
+	clk_hw_unregister(&ctx->hw);
+	clk_hw_unregister(&ctx->parents_ctx[0].hw);
+	clk_hw_unregister(&ctx->parents_ctx[1].hw);
+}
+
+/*
+ * Test that if the we have a mux that cannot change parent and we call
+ * clk_round_rate() on it with a rate that should cause it to change
+ * parent, it won't.
+ */
+static void clk_mux_no_reparent_round_rate(struct kunit *test)
+{
+	struct clk_multiple_parent_ctx *ctx = test->priv;
+	struct clk_hw *hw = &ctx->hw;
+	struct clk *clk = clk_hw_get_clk(hw, NULL);
+	struct clk *other_parent, *parent;
+	unsigned long other_parent_rate;
+	unsigned long parent_rate;
+	long rounded_rate;
+
+	parent = clk_get_parent(clk);
+	KUNIT_ASSERT_PTR_NE(test, parent, NULL);
+
+	parent_rate = clk_get_rate(parent);
+	KUNIT_ASSERT_GT(test, parent_rate, 0);
+
+	other_parent = clk_hw_get_clk(&ctx->parents_ctx[1].hw, NULL);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, other_parent);
+	KUNIT_ASSERT_FALSE(test, clk_is_match(parent, other_parent));
+
+	other_parent_rate = clk_get_rate(other_parent);
+	KUNIT_ASSERT_GT(test, other_parent_rate, 0);
+	clk_put(other_parent);
+
+	rounded_rate = clk_round_rate(clk, other_parent_rate);
+	KUNIT_ASSERT_GT(test, rounded_rate, 0);
+	KUNIT_EXPECT_EQ(test, rounded_rate, parent_rate);
+
+	clk_put(clk);
+}
+
+/*
+ * Test that if the we have a mux that cannot change parent and we call
+ * clk_set_rate() on it with a rate that should cause it to change
+ * parent, it won't.
+ */
+static void clk_mux_no_reparent_set_rate(struct kunit *test)
+{
+	struct clk_multiple_parent_ctx *ctx = test->priv;
+	struct clk_hw *hw = &ctx->hw;
+	struct clk *clk = clk_hw_get_clk(hw, NULL);
+	struct clk *other_parent, *parent;
+	unsigned long other_parent_rate;
+	unsigned long parent_rate;
+	unsigned long rate;
+	int ret;
+
+	parent = clk_get_parent(clk);
+	KUNIT_ASSERT_PTR_NE(test, parent, NULL);
+
+	parent_rate = clk_get_rate(parent);
+	KUNIT_ASSERT_GT(test, parent_rate, 0);
+
+	other_parent = clk_hw_get_clk(&ctx->parents_ctx[1].hw, NULL);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, other_parent);
+	KUNIT_ASSERT_FALSE(test, clk_is_match(parent, other_parent));
+
+	other_parent_rate = clk_get_rate(other_parent);
+	KUNIT_ASSERT_GT(test, other_parent_rate, 0);
+	clk_put(other_parent);
+
+	ret = clk_set_rate(clk, other_parent_rate);
+	KUNIT_ASSERT_EQ(test, ret, 0);
+
+	rate = clk_get_rate(clk);
+	KUNIT_ASSERT_GT(test, rate, 0);
+	KUNIT_EXPECT_EQ(test, rate, parent_rate);
+
+	clk_put(clk);
+}
+
+static struct kunit_case clk_mux_no_reparent_test_cases[] = {
+	KUNIT_CASE(clk_mux_no_reparent_round_rate),
+	KUNIT_CASE(clk_mux_no_reparent_set_rate),
+	{}
+};
+
+/*
+ * Test suite for a clock mux that isn't allowed to change parent, using
+ * the clk_hw_determine_rate_no_reparent() helper.
+ *
+ * These tests exercise that helper, and the proper selection of
+ * rates and parents.
+ */
+static struct kunit_suite clk_mux_no_reparent_test_suite = {
+	.name = "clk-mux-no-reparent",
+	.init = clk_mux_no_reparent_test_init,
+	.exit = clk_mux_no_reparent_test_exit,
+	.test_cases = clk_mux_no_reparent_test_cases,
+};
+
 kunit_test_suites(
 	&clk_leaf_mux_set_rate_parent_test_suite,
 	&clk_test_suite,
 	&clk_multiple_parents_mux_test_suite,
+	&clk_mux_no_reparent_test_suite,
 	&clk_mux_notifier_test_suite,
 	&clk_orphan_transparent_multiple_parent_mux_test_suite,
 	&clk_orphan_transparent_single_parent_test_suite,
--- a/drivers/clk/davinci/da8xx-cfgchip.c
+++ b/drivers/clk/davinci/da8xx-cfgchip.c
@ -229,6 +229,7 @@ static u8 da8xx_cfgchip_mux_clk_get_parent(struct clk_hw *hw)
 }

 static const struct clk_ops da8xx_cfgchip_mux_clk_ops = {
+	.determine_rate	= clk_hw_determine_rate_no_reparent,
 	.set_parent	= da8xx_cfgchip_mux_clk_set_parent,
 	.get_parent	= da8xx_cfgchip_mux_clk_get_parent,
 };
@ -461,10 +462,12 @@ static unsigned long da8xx_usb0_clk48_recalc_rate(struct clk_hw *hw,
 	return 48000000;
 }

-static long da8xx_usb0_clk48_round_rate(struct clk_hw *hw, unsigned long rate,
-					unsigned long *parent_rate)
+static int da8xx_usb0_clk48_determine_rate(struct clk_hw *hw,
+					   struct clk_rate_request *req)
 {
-	return 48000000;
+	req->rate = 48000000;
+
+	return 0;
 }

 static int da8xx_usb0_clk48_set_parent(struct clk_hw *hw, u8 index)
@ -493,7 +496,7 @@ static const struct clk_ops da8xx_usb0_clk48_ops = {
 	.disable	= da8xx_usb0_clk48_disable,
 	.is_enabled	= da8xx_usb0_clk48_is_enabled,
 	.recalc_rate	= da8xx_usb0_clk48_recalc_rate,
-	.round_rate	= da8xx_usb0_clk48_round_rate,
+	.determine_rate	= da8xx_usb0_clk48_determine_rate,
 	.set_parent	= da8xx_usb0_clk48_set_parent,
 	.get_parent	= da8xx_usb0_clk48_get_parent,
 };
@ -564,6 +567,7 @@ static u8 da8xx_usb1_clk48_get_parent(struct clk_hw *hw)
 }

 static const struct clk_ops da8xx_usb1_clk48_ops = {
+	.determine_rate	= clk_hw_determine_rate_no_reparent,
 	.set_parent	= da8xx_usb1_clk48_set_parent,
 	.get_parent	= da8xx_usb1_clk48_get_parent,
 };
--- a/drivers/clk/imx/clk-busy.c
+++ b/drivers/clk/imx/clk-busy.c
@ -148,6 +148,7 @@ static int clk_busy_mux_set_parent(struct clk_hw *hw, u8 index)
 }

 static const struct clk_ops clk_busy_mux_ops = {
+	.determine_rate = clk_hw_determine_rate_no_reparent,
 	.get_parent = clk_busy_mux_get_parent,
 	.set_parent = clk_busy_mux_set_parent,
 };
--- a/drivers/clk/imx/clk-fixup-mux.c
+++ b/drivers/clk/imx/clk-fixup-mux.c
@ -60,6 +60,7 @@ static int clk_fixup_mux_set_parent(struct clk_hw *hw, u8 index)
 }

 static const struct clk_ops clk_fixup_mux_ops = {
+	.determine_rate = clk_hw_determine_rate_no_reparent,
 	.get_parent = clk_fixup_mux_get_parent,
 	.set_parent = clk_fixup_mux_set_parent,
 };
--- a/drivers/clk/imx/clk-scu.c
+++ b/drivers/clk/imx/clk-scu.c
@ -250,6 +250,23 @@ static unsigned long clk_scu_recalc_rate(struct clk_hw *hw,
 	return le32_to_cpu(msg.data.resp.rate);
 }

+/*
+ * clk_scu_determine_rate - Returns the closest rate for a SCU clock
+ * @hw: clock to round rate for
+ * @req: clock rate request
+ *
+ * Returns 0 on success, a negative error on failure
+ */
+static int clk_scu_determine_rate(struct clk_hw *hw,
+				  struct clk_rate_request *req)
+{
+	/*
+	 * Assume we support all the requested rate and let the SCU firmware
+	 * to handle the left work
+	 */
+	return 0;
+}
+
 /*
 * clk_scu_round_rate - Round clock rate for a SCU clock
 * @hw: clock to round rate for
@ -425,7 +442,7 @@ static void clk_scu_unprepare(struct clk_hw *hw)

 static const struct clk_ops clk_scu_ops = {
 	.recalc_rate = clk_scu_recalc_rate,
-	.round_rate = clk_scu_round_rate,
+	.determine_rate = clk_scu_determine_rate,
 	.set_rate = clk_scu_set_rate,
 	.get_parent = clk_scu_get_parent,
 	.set_parent = clk_scu_set_parent,
@ -785,6 +802,7 @@ static int clk_gpr_mux_scu_set_parent(struct clk_hw *hw, u8 index)
 }

 static const struct clk_ops clk_gpr_mux_scu_ops = {
+	.determine_rate = clk_hw_determine_rate_no_reparent,
 	.get_parent = clk_gpr_mux_scu_get_parent,
 	.set_parent = clk_gpr_mux_scu_set_parent,
 };
--- a/drivers/clk/ingenic/cgu.c
+++ b/drivers/clk/ingenic/cgu.c
@ -491,22 +491,23 @@ ingenic_clk_calc_div(struct clk_hw *hw,
 	return div;
 }

-static long
-ingenic_clk_round_rate(struct clk_hw *hw, unsigned long req_rate,
-		       unsigned long *parent_rate)
+static int ingenic_clk_determine_rate(struct clk_hw *hw,
+				      struct clk_rate_request *req)
 {
 	struct ingenic_clk *ingenic_clk = to_ingenic_clk(hw);
 	const struct ingenic_cgu_clk_info *clk_info = to_clk_info(ingenic_clk);
 	unsigned int div = 1;

 	if (clk_info->type & CGU_CLK_DIV)
-		div = ingenic_clk_calc_div(hw, clk_info, *parent_rate, req_rate);
+		div = ingenic_clk_calc_div(hw, clk_info, req->best_parent_rate,
+					   req->rate);
 	else if (clk_info->type & CGU_CLK_FIXDIV)
 		div = clk_info->fixdiv.div;
 	else if (clk_hw_can_set_rate_parent(hw))
-		*parent_rate = req_rate;
+		req->best_parent_rate = req->rate;

-	return DIV_ROUND_UP(*parent_rate, div);
+	req->rate = DIV_ROUND_UP(req->best_parent_rate, div);
+	return 0;
 }

 static inline int ingenic_clk_check_stable(struct ingenic_cgu *cgu,
@ -626,7 +627,7 @@ static const struct clk_ops ingenic_clk_ops = {
 	.set_parent = ingenic_clk_set_parent,

 	.recalc_rate = ingenic_clk_recalc_rate,
-	.round_rate = ingenic_clk_round_rate,
+	.determine_rate = ingenic_clk_determine_rate,
 	.set_rate = ingenic_clk_set_rate,

 	.enable = ingenic_clk_enable,
--- a/drivers/clk/ingenic/tcu.c
+++ b/drivers/clk/ingenic/tcu.c
@ -178,18 +178,21 @@ static u8 ingenic_tcu_get_prescale(unsigned long rate, unsigned long req_rate)
 	return 5; /* /1024 divider */
 }

-static long ingenic_tcu_round_rate(struct clk_hw *hw, unsigned long req_rate,
-		unsigned long *parent_rate)
+static int ingenic_tcu_determine_rate(struct clk_hw *hw,
+				      struct clk_rate_request *req)
 {
-	unsigned long rate = *parent_rate;
+	unsigned long rate = req->best_parent_rate;
 	u8 prescale;

-	if (req_rate > rate)
-		return rate;
+	if (req->rate > rate) {
+		req->rate = rate;
+		return 0;
+	}

-	prescale = ingenic_tcu_get_prescale(rate, req_rate);
+	prescale = ingenic_tcu_get_prescale(rate, req->rate);

-	return rate >> (prescale * 2);
+	req->rate = rate >> (prescale * 2);
+	return 0;
 }

 static int ingenic_tcu_set_rate(struct clk_hw *hw, unsigned long req_rate,
@ -219,7 +222,7 @@ static const struct clk_ops ingenic_tcu_clk_ops = {
 	.set_parent	= ingenic_tcu_set_parent,

 	.recalc_rate	= ingenic_tcu_recalc_rate,
-	.round_rate	= ingenic_tcu_round_rate,
+	.determine_rate	= ingenic_tcu_determine_rate,
 	.set_rate	= ingenic_tcu_set_rate,

 	.enable		= ingenic_tcu_enable,
--- a/drivers/clk/mediatek/clk-cpumux.c
+++ b/drivers/clk/mediatek/clk-cpumux.c
@ -53,6 +53,7 @@ static int clk_cpumux_set_parent(struct clk_hw *hw, u8 index)
 }

 static const struct clk_ops clk_cpumux_ops = {
+	.determine_rate = clk_hw_determine_rate_no_reparent,
 	.get_parent = clk_cpumux_get_parent,
 	.set_parent = clk_cpumux_set_parent,
 };
--- a/drivers/clk/meson/Kconfig
+++ b/drivers/clk/meson/Kconfig
@ -99,6 +99,26 @@ config COMMON_CLK_AXG_AUDIO
 	  Support for the audio clock controller on AmLogic A113D devices,
 	  aka axg, Say Y if you want audio subsystem to work.

+config COMMON_CLK_A1_PLL
+	tristate "Amlogic A1 SoC PLL controller support"
+	depends on ARM64
+	select COMMON_CLK_MESON_REGMAP
+	select COMMON_CLK_MESON_PLL
+	help
+	  Support for the PLL clock controller on Amlogic A113L based
+	  device, A1 SoC Family. Say Y if you want A1 PLL clock controller
+	  to work.
+
+config COMMON_CLK_A1_PERIPHERALS
+	tristate "Amlogic A1 SoC Peripherals clock controller support"
+	depends on ARM64
+	select COMMON_CLK_MESON_DUALDIV
+	select COMMON_CLK_MESON_REGMAP
+	help
+	  Support for the Peripherals clock controller on Amlogic A113L based
+	  device, A1 SoC Family. Say Y if you want A1 Peripherals clock
+	  controller to work.
+
 config COMMON_CLK_G12A
 	tristate "G12 and SM1 SoC clock controllers support"
 	depends on ARM64
--- a/drivers/clk/meson/Makefile
+++ b/drivers/clk/meson/Makefile
@ -16,6 +16,8 @@ obj-$(CONFIG_COMMON_CLK_MESON_VID_PLL_DIV) += vid-pll-div.o

 obj-$(CONFIG_COMMON_CLK_AXG) += axg.o axg-aoclk.o
 obj-$(CONFIG_COMMON_CLK_AXG_AUDIO) += axg-audio.o
+obj-$(CONFIG_COMMON_CLK_A1_PLL) += a1-pll.o
+obj-$(CONFIG_COMMON_CLK_A1_PERIPHERALS) += a1-peripherals.o
 obj-$(CONFIG_COMMON_CLK_GXBB) += gxbb.o gxbb-aoclk.o
 obj-$(CONFIG_COMMON_CLK_G12A) += g12a.o g12a-aoclk.o
 obj-$(CONFIG_COMMON_CLK_MESON8B) += meson8b.o meson8-ddr.o
--- a/drivers/clk/meson/a1-peripherals.c
+++ b/drivers/clk/meson/a1-peripherals.c
--- a/drivers/clk/meson/a1-peripherals.h
+++ b/drivers/clk/meson/a1-peripherals.h
@ -0,0 +1,113 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Amlogic A1 Peripherals Clock Controller internals
+ *
+ * Copyright (c) 2019 Amlogic, Inc. All rights reserved.
+ * Author: Jian Hu <jian.hu@amlogic.com>
+ *
+ * Copyright (c) 2023, SberDevices. All Rights Reserved.
+ * Author: Dmitry Rokosov <ddrokosov@sberdevices.ru>
+ */
+
+#ifndef __A1_PERIPHERALS_H
+#define __A1_PERIPHERALS_H
+
+/* peripherals clock controller register offset */
+#define SYS_OSCIN_CTRL		0x0
+#define RTC_BY_OSCIN_CTRL0	0x4
+#define RTC_BY_OSCIN_CTRL1	0x8
+#define RTC_CTRL		0xc
+#define SYS_CLK_CTRL0		0x10
+#define SYS_CLK_EN0		0x1c
+#define SYS_CLK_EN1		0x20
+#define AXI_CLK_EN		0x24
+#define DSPA_CLK_EN		0x28
+#define DSPB_CLK_EN		0x2c
+#define DSPA_CLK_CTRL0		0x30
+#define DSPB_CLK_CTRL0		0x34
+#define CLK12_24_CTRL		0x38
+#define GEN_CLK_CTRL		0x3c
+#define SAR_ADC_CLK_CTRL	0xc0
+#define PWM_CLK_AB_CTRL		0xc4
+#define PWM_CLK_CD_CTRL		0xc8
+#define PWM_CLK_EF_CTRL		0xcc
+#define SPICC_CLK_CTRL		0xd0
+#define TS_CLK_CTRL		0xd4
+#define SPIFC_CLK_CTRL		0xd8
+#define USB_BUSCLK_CTRL		0xdc
+#define SD_EMMC_CLK_CTRL	0xe0
+#define CECA_CLK_CTRL0		0xe4
+#define CECA_CLK_CTRL1		0xe8
+#define CECB_CLK_CTRL0		0xec
+#define CECB_CLK_CTRL1		0xf0
+#define PSRAM_CLK_CTRL		0xf4
+#define DMC_CLK_CTRL		0xf8
+
+/* include the CLKIDs that have been made part of the DT binding */
+#include <dt-bindings/clock/amlogic,a1-peripherals-clkc.h>
+
+/*
+ * CLKID index values for internal clocks
+ *
+ * These indices are entirely contrived and do not map onto the hardware.
+ * It has now been decided to expose everything by default in the DT header:
+ * include/dt-bindings/clock/a1-peripherals-clkc.h.
+ * Only the clocks ids we don't want to expose, such as the internal muxes and
+ * dividers of composite clocks, will remain defined here.
+ */
+#define CLKID_XTAL_IN		0
+#define CLKID_DSPA_SEL		61
+#define CLKID_DSPB_SEL		62
+#define CLKID_SARADC_SEL	74
+#define CLKID_SYS_A_SEL		89
+#define CLKID_SYS_A_DIV		90
+#define CLKID_SYS_A		91
+#define CLKID_SYS_B_SEL		92
+#define CLKID_SYS_B_DIV		93
+#define CLKID_SYS_B		94
+#define CLKID_DSPA_A_DIV	96
+#define CLKID_DSPA_A		97
+#define CLKID_DSPA_B_DIV	99
+#define CLKID_DSPA_B		100
+#define CLKID_DSPB_A_DIV	102
+#define CLKID_DSPB_A		103
+#define CLKID_DSPB_B_DIV	105
+#define CLKID_DSPB_B		106
+#define CLKID_RTC_32K_IN	107
+#define CLKID_RTC_32K_DIV	108
+#define CLKID_RTC_32K_XTAL	109
+#define CLKID_RTC_32K_SEL	110
+#define CLKID_CECB_32K_IN	111
+#define CLKID_CECB_32K_DIV	112
+#define CLKID_CECA_32K_IN	115
+#define CLKID_CECA_32K_DIV	116
+#define CLKID_DIV2_PRE		119
+#define CLKID_24M_DIV2		120
+#define CLKID_GEN_DIV		122
+#define CLKID_SARADC_DIV	123
+#define CLKID_PWM_A_DIV		125
+#define CLKID_PWM_B_DIV		127
+#define CLKID_PWM_C_DIV		129
+#define CLKID_PWM_D_DIV		131
+#define CLKID_PWM_E_DIV		133
+#define CLKID_PWM_F_DIV		135
+#define CLKID_SPICC_SEL		136
+#define CLKID_SPICC_DIV		137
+#define CLKID_SPICC_SEL2	138
+#define CLKID_TS_DIV		139
+#define CLKID_SPIFC_SEL		140
+#define CLKID_SPIFC_DIV		141
+#define CLKID_SPIFC_SEL2	142
+#define CLKID_USB_BUS_SEL	143
+#define CLKID_USB_BUS_DIV	144
+#define CLKID_SD_EMMC_SEL	145
+#define CLKID_SD_EMMC_DIV	146
+#define CLKID_PSRAM_SEL		148
+#define CLKID_PSRAM_DIV		149
+#define CLKID_PSRAM_SEL2	150
+#define CLKID_DMC_SEL		151
+#define CLKID_DMC_DIV		152
+#define CLKID_DMC_SEL2		153
+#define NR_CLKS			154
+
+#endif /* __A1_PERIPHERALS_H */
--- a/drivers/clk/meson/a1-pll.c
+++ b/drivers/clk/meson/a1-pll.c
@ -0,0 +1,356 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (c) 2019 Amlogic, Inc. All rights reserved.
+ * Author: Jian Hu <jian.hu@amlogic.com>
+ *
+ * Copyright (c) 2023, SberDevices. All Rights Reserved.
+ * Author: Dmitry Rokosov <ddrokosov@sberdevices.ru>
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/of_device.h>
+#include <linux/platform_device.h>
+#include "a1-pll.h"
+#include "clk-regmap.h"
+
+static struct clk_regmap fixed_pll_dco = {
+	.data = &(struct meson_clk_pll_data){
+		.en = {
+			.reg_off = ANACTRL_FIXPLL_CTRL0,
+			.shift   = 28,
+			.width   = 1,
+		},
+		.m = {
+			.reg_off = ANACTRL_FIXPLL_CTRL0,
+			.shift   = 0,
+			.width   = 8,
+		},
+		.n = {
+			.reg_off = ANACTRL_FIXPLL_CTRL0,
+			.shift   = 10,
+			.width   = 5,
+		},
+		.frac = {
+			.reg_off = ANACTRL_FIXPLL_CTRL1,
+			.shift   = 0,
+			.width   = 19,
+		},
+		.l = {
+			.reg_off = ANACTRL_FIXPLL_STS,
+			.shift   = 31,
+			.width   = 1,
+		},
+		.rst = {
+			.reg_off = ANACTRL_FIXPLL_CTRL0,
+			.shift   = 29,
+			.width   = 1,
+		},
+	},
+	.hw.init = &(struct clk_init_data){
+		.name = "fixed_pll_dco",
+		.ops = &meson_clk_pll_ro_ops,
+		.parent_data = &(const struct clk_parent_data) {
+			.fw_name = "fixpll_in",
+		},
+		.num_parents = 1,
+	},
+};
+
+static struct clk_regmap fixed_pll = {
+	.data = &(struct clk_regmap_gate_data){
+		.offset = ANACTRL_FIXPLL_CTRL0,
+		.bit_idx = 20,
+	},
+	.hw.init = &(struct clk_init_data) {
+		.name = "fixed_pll",
+		.ops = &clk_regmap_gate_ops,
+		.parent_hws = (const struct clk_hw *[]) {
+			&fixed_pll_dco.hw
+		},
+		.num_parents = 1,
+	},
+};
+
+static const struct pll_mult_range hifi_pll_mult_range = {
+	.min = 32,
+	.max = 64,
+};
+
+static const struct reg_sequence hifi_init_regs[] = {
+	{ .reg = ANACTRL_HIFIPLL_CTRL1, .def = 0x01800000 },
+	{ .reg = ANACTRL_HIFIPLL_CTRL2, .def = 0x00001100 },
+	{ .reg = ANACTRL_HIFIPLL_CTRL3, .def = 0x100a1100 },
+	{ .reg = ANACTRL_HIFIPLL_CTRL4, .def = 0x00302000 },
+	{ .reg = ANACTRL_HIFIPLL_CTRL0, .def = 0x01f18000 },
+};
+
+static struct clk_regmap hifi_pll = {
+	.data = &(struct meson_clk_pll_data){
+		.en = {
+			.reg_off = ANACTRL_HIFIPLL_CTRL0,
+			.shift   = 28,
+			.width   = 1,
+		},
+		.m = {
+			.reg_off = ANACTRL_HIFIPLL_CTRL0,
+			.shift   = 0,
+			.width   = 8,
+		},
+		.n = {
+			.reg_off = ANACTRL_HIFIPLL_CTRL0,
+			.shift   = 10,
+			.width   = 5,
+		},
+		.frac = {
+			.reg_off = ANACTRL_HIFIPLL_CTRL1,
+			.shift   = 0,
+			.width   = 19,
+		},
+		.l = {
+			.reg_off = ANACTRL_HIFIPLL_STS,
+			.shift   = 31,
+			.width   = 1,
+		},
+		.current_en = {
+			.reg_off = ANACTRL_HIFIPLL_CTRL0,
+			.shift   = 26,
+			.width   = 1,
+		},
+		.l_detect = {
+			.reg_off = ANACTRL_HIFIPLL_CTRL2,
+			.shift   = 6,
+			.width   = 1,
+		},
+		.range = &hifi_pll_mult_range,
+		.init_regs = hifi_init_regs,
+		.init_count = ARRAY_SIZE(hifi_init_regs),
+	},
+	.hw.init = &(struct clk_init_data){
+		.name = "hifi_pll",
+		.ops = &meson_clk_pll_ops,
+		.parent_data = &(const struct clk_parent_data) {
+			.fw_name = "hifipll_in",
+		},
+		.num_parents = 1,
+	},
+};
+
+static struct clk_fixed_factor fclk_div2_div = {
+	.mult = 1,
+	.div = 2,
+	.hw.init = &(struct clk_init_data){
+		.name = "fclk_div2_div",
+		.ops = &clk_fixed_factor_ops,
+		.parent_hws = (const struct clk_hw *[]) {
+			&fixed_pll.hw
+		},
+		.num_parents = 1,
+	},
+};
+
+static struct clk_regmap fclk_div2 = {
+	.data = &(struct clk_regmap_gate_data){
+		.offset = ANACTRL_FIXPLL_CTRL0,
+		.bit_idx = 21,
+	},
+	.hw.init = &(struct clk_init_data){
+		.name = "fclk_div2",
+		.ops = &clk_regmap_gate_ops,
+		.parent_hws = (const struct clk_hw *[]) {
+			&fclk_div2_div.hw
+		},
+		.num_parents = 1,
+		/*
+		 * This clock is used by DDR clock in BL2 firmware
+		 * and is required by the platform to operate correctly.
+		 * Until the following condition are met, we need this clock to
+		 * be marked as critical:
+		 * a) Mark the clock used by a firmware resource, if possible
+		 * b) CCF has a clock hand-off mechanism to make the sure the
+		 *    clock stays on until the proper driver comes along
+		 */
+		.flags = CLK_IS_CRITICAL,
+	},
+};
+
+static struct clk_fixed_factor fclk_div3_div = {
+	.mult = 1,
+	.div = 3,
+	.hw.init = &(struct clk_init_data){
+		.name = "fclk_div3_div",
+		.ops = &clk_fixed_factor_ops,
+		.parent_hws = (const struct clk_hw *[]) {
+			&fixed_pll.hw
+		},
+		.num_parents = 1,
+	},
+};
+
+static struct clk_regmap fclk_div3 = {
+	.data = &(struct clk_regmap_gate_data){
+		.offset = ANACTRL_FIXPLL_CTRL0,
+		.bit_idx = 22,
+	},
+	.hw.init = &(struct clk_init_data){
+		.name = "fclk_div3",
+		.ops = &clk_regmap_gate_ops,
+		.parent_hws = (const struct clk_hw *[]) {
+			&fclk_div3_div.hw
+		},
+		.num_parents = 1,
+		/*
+		 * This clock is used by APB bus which is set in boot ROM code
+		 * and is required by the platform to operate correctly.
+		 */
+		.flags = CLK_IS_CRITICAL,
+	},
+};
+
+static struct clk_fixed_factor fclk_div5_div = {
+	.mult = 1,
+	.div = 5,
+	.hw.init = &(struct clk_init_data){
+		.name = "fclk_div5_div",
+		.ops = &clk_fixed_factor_ops,
+		.parent_hws = (const struct clk_hw *[]) {
+			&fixed_pll.hw
+		},
+		.num_parents = 1,
+	},
+};
+
+static struct clk_regmap fclk_div5 = {
+	.data = &(struct clk_regmap_gate_data){
+		.offset = ANACTRL_FIXPLL_CTRL0,
+		.bit_idx = 23,
+	},
+	.hw.init = &(struct clk_init_data){
+		.name = "fclk_div5",
+		.ops = &clk_regmap_gate_ops,
+		.parent_hws = (const struct clk_hw *[]) {
+			&fclk_div5_div.hw
+		},
+		.num_parents = 1,
+		/*
+		 * This clock is used by AXI bus which setted in Romcode
+		 * and is required by the platform to operate correctly.
+		 */
+		.flags = CLK_IS_CRITICAL,
+	},
+};
+
+static struct clk_fixed_factor fclk_div7_div = {
+	.mult = 1,
+	.div = 7,
+	.hw.init = &(struct clk_init_data){
+		.name = "fclk_div7_div",
+		.ops = &clk_fixed_factor_ops,
+		.parent_hws = (const struct clk_hw *[]) {
+			&fixed_pll.hw
+		},
+		.num_parents = 1,
+	},
+};
+
+static struct clk_regmap fclk_div7 = {
+	.data = &(struct clk_regmap_gate_data){
+		.offset = ANACTRL_FIXPLL_CTRL0,
+		.bit_idx = 24,
+	},
+	.hw.init = &(struct clk_init_data){
+		.name = "fclk_div7",
+		.ops = &clk_regmap_gate_ops,
+		.parent_hws = (const struct clk_hw *[]) {
+			&fclk_div7_div.hw
+		},
+		.num_parents = 1,
+	},
+};
+
+/* Array of all clocks registered by this provider */
+static struct clk_hw_onecell_data a1_pll_clks = {
+	.hws = {
+		[CLKID_FIXED_PLL_DCO]	= &fixed_pll_dco.hw,
+		[CLKID_FIXED_PLL]	= &fixed_pll.hw,
+		[CLKID_FCLK_DIV2_DIV]	= &fclk_div2_div.hw,
+		[CLKID_FCLK_DIV3_DIV]	= &fclk_div3_div.hw,
+		[CLKID_FCLK_DIV5_DIV]	= &fclk_div5_div.hw,
+		[CLKID_FCLK_DIV7_DIV]	= &fclk_div7_div.hw,
+		[CLKID_FCLK_DIV2]	= &fclk_div2.hw,
+		[CLKID_FCLK_DIV3]	= &fclk_div3.hw,
+		[CLKID_FCLK_DIV5]	= &fclk_div5.hw,
+		[CLKID_FCLK_DIV7]	= &fclk_div7.hw,
+		[CLKID_HIFI_PLL]	= &hifi_pll.hw,
+		[NR_PLL_CLKS]		= NULL,
+	},
+	.num = NR_PLL_CLKS,
+};
+
+static struct clk_regmap *const a1_pll_regmaps[] = {
+	&fixed_pll_dco,
+	&fixed_pll,
+	&fclk_div2,
+	&fclk_div3,
+	&fclk_div5,
+	&fclk_div7,
+	&hifi_pll,
+};
+
+static struct regmap_config a1_pll_regmap_cfg = {
+	.reg_bits   = 32,
+	.val_bits   = 32,
+	.reg_stride = 4,
+};
+
+static int meson_a1_pll_probe(struct platform_device *pdev)
+{
+	struct device *dev = &pdev->dev;
+	void __iomem *base;
+	struct regmap *map;
+	int clkid, i, err;
+
+	base = devm_platform_ioremap_resource(pdev, 0);
+	if (IS_ERR(base))
+		return dev_err_probe(dev, PTR_ERR(base),
+				     "can't ioremap resource\n");
+
+	map = devm_regmap_init_mmio(dev, base, &a1_pll_regmap_cfg);
+	if (IS_ERR(map))
+		return dev_err_probe(dev, PTR_ERR(map),
+				     "can't init regmap mmio region\n");
+
+	/* Populate regmap for the regmap backed clocks */
+	for (i = 0; i < ARRAY_SIZE(a1_pll_regmaps); i++)
+		a1_pll_regmaps[i]->map = map;
+
+	/* Register clocks */
+	for (clkid = 0; clkid < a1_pll_clks.num; clkid++) {
+		err = devm_clk_hw_register(dev, a1_pll_clks.hws[clkid]);
+		if (err)
+			return dev_err_probe(dev, err,
+					     "clock[%d] registration failed\n",
+					     clkid);
+	}
+
+	return devm_of_clk_add_hw_provider(dev, of_clk_hw_onecell_get,
+					   &a1_pll_clks);
+}
+
+static const struct of_device_id a1_pll_clkc_match_table[] = {
+	{ .compatible = "amlogic,a1-pll-clkc", },
+	{}
+};
+MODULE_DEVICE_TABLE(of, a1_pll_clkc_match_table);
+
+static struct platform_driver a1_pll_clkc_driver = {
+	.probe = meson_a1_pll_probe,
+	.driver = {
+		.name = "a1-pll-clkc",
+		.of_match_table = a1_pll_clkc_match_table,
+	},
+};
+
+module_platform_driver(a1_pll_clkc_driver);
+MODULE_AUTHOR("Jian Hu <jian.hu@amlogic.com>");
+MODULE_AUTHOR("Dmitry Rokosov <ddrokosov@sberdevices.ru>");
+MODULE_LICENSE("GPL");
--- a/drivers/clk/meson/a1-pll.h
+++ b/drivers/clk/meson/a1-pll.h
@ -0,0 +1,47 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Amlogic A1 PLL Clock Controller internals
+ *
+ * Copyright (c) 2019 Amlogic, Inc. All rights reserved.
+ * Author: Jian Hu <jian.hu@amlogic.com>
+ *
+ * Copyright (c) 2023, SberDevices. All Rights Reserved.
+ * Author: Dmitry Rokosov <ddrokosov@sberdevices.ru>
+ */
+
+#ifndef __A1_PLL_H
+#define __A1_PLL_H
+
+#include "clk-pll.h"
+
+/* PLL register offset */
+#define ANACTRL_FIXPLL_CTRL0	0x0
+#define ANACTRL_FIXPLL_CTRL1	0x4
+#define ANACTRL_FIXPLL_STS	0x14
+#define ANACTRL_HIFIPLL_CTRL0	0xc0
+#define ANACTRL_HIFIPLL_CTRL1	0xc4
+#define ANACTRL_HIFIPLL_CTRL2	0xc8
+#define ANACTRL_HIFIPLL_CTRL3	0xcc
+#define ANACTRL_HIFIPLL_CTRL4	0xd0
+#define ANACTRL_HIFIPLL_STS	0xd4
+
+/* include the CLKIDs that have been made part of the DT binding */
+#include <dt-bindings/clock/amlogic,a1-pll-clkc.h>
+
+/*
+ * CLKID index values for internal clocks
+ *
+ * These indices are entirely contrived and do not map onto the hardware.
+ * It has now been decided to expose everything by default in the DT header:
+ * include/dt-bindings/clock/a1-pll-clkc.h. Only the clocks ids we don't want
+ * to expose, such as the internal muxes and dividers of composite clocks,
+ * will remain defined here.
+ */
+#define CLKID_FIXED_PLL_DCO	0
+#define CLKID_FCLK_DIV2_DIV	2
+#define CLKID_FCLK_DIV3_DIV	3
+#define CLKID_FCLK_DIV5_DIV	4
+#define CLKID_FCLK_DIV7_DIV	5
+#define NR_PLL_CLKS		11
+
+#endif /* __A1_PLL_H */
--- a/drivers/clk/meson/clk-pll.c
+++ b/drivers/clk/meson/clk-pll.c
@ -295,10 +295,14 @@ static int meson_clk_pll_init(struct clk_hw *hw)
 	struct meson_clk_pll_data *pll = meson_clk_pll_data(clk);

 	if (pll->init_count) {
-		meson_parm_write(clk->map, &pll->rst, 1);
+		if (MESON_PARM_APPLICABLE(&pll->rst))
+			meson_parm_write(clk->map, &pll->rst, 1);
+
 		regmap_multi_reg_write(clk->map, pll->init_regs,
 				       pll->init_count);
-		meson_parm_write(clk->map, &pll->rst, 0);
+
+		if (MESON_PARM_APPLICABLE(&pll->rst))
+			meson_parm_write(clk->map, &pll->rst, 0);
 	}

 	return 0;
@ -309,8 +313,11 @@ static int meson_clk_pll_is_enabled(struct clk_hw *hw)
 	struct clk_regmap *clk = to_clk_regmap(hw);
 	struct meson_clk_pll_data *pll = meson_clk_pll_data(clk);

-	if (meson_parm_read(clk->map, &pll->rst) ||
-	    !meson_parm_read(clk->map, &pll->en) ||
+	if (MESON_PARM_APPLICABLE(&pll->rst) &&
+	    meson_parm_read(clk->map, &pll->rst))
+		return 0;
+
+	if (!meson_parm_read(clk->map, &pll->en) ||
 	    !meson_parm_read(clk->map, &pll->l))
 		return 0;

@ -341,13 +348,34 @@ static int meson_clk_pll_enable(struct clk_hw *hw)
 		return 0;

 	/* Make sure the pll is in reset */
-	meson_parm_write(clk->map, &pll->rst, 1);
+	if (MESON_PARM_APPLICABLE(&pll->rst))
+		meson_parm_write(clk->map, &pll->rst, 1);

 	/* Enable the pll */
 	meson_parm_write(clk->map, &pll->en, 1);

 	/* Take the pll out reset */
-	meson_parm_write(clk->map, &pll->rst, 0);
+	if (MESON_PARM_APPLICABLE(&pll->rst))
+		meson_parm_write(clk->map, &pll->rst, 0);
+
+	/*
+	 * Compared with the previous SoCs, self-adaption current module
+	 * is newly added for A1, keep the new power-on sequence to enable the
+	 * PLL. The sequence is:
+	 * 1. enable the pll, delay for 10us
+	 * 2. enable the pll self-adaption current module, delay for 40us
+	 * 3. enable the lock detect module
+	 */
+	if (MESON_PARM_APPLICABLE(&pll->current_en)) {
+		usleep_range(10, 20);
+		meson_parm_write(clk->map, &pll->current_en, 1);
+		usleep_range(40, 50);
+	}
+
+	if (MESON_PARM_APPLICABLE(&pll->l_detect)) {
+		meson_parm_write(clk->map, &pll->l_detect, 1);
+		meson_parm_write(clk->map, &pll->l_detect, 0);
+	}

 	if (meson_clk_pll_wait_lock(hw))
 		return -EIO;
@ -361,10 +389,15 @@ static void meson_clk_pll_disable(struct clk_hw *hw)
 	struct meson_clk_pll_data *pll = meson_clk_pll_data(clk);

 	/* Put the pll is in reset */
-	meson_parm_write(clk->map, &pll->rst, 1);
+	if (MESON_PARM_APPLICABLE(&pll->rst))
+		meson_parm_write(clk->map, &pll->rst, 1);

 	/* Disable the pll */
 	meson_parm_write(clk->map, &pll->en, 0);
+
+	/* Disable PLL internal self-adaption current module */
+	if (MESON_PARM_APPLICABLE(&pll->current_en))
+		meson_parm_write(clk->map, &pll->current_en, 0);
 }

 static int meson_clk_pll_set_rate(struct clk_hw *hw, unsigned long rate,
--- a/drivers/clk/meson/clk-pll.h
+++ b/drivers/clk/meson/clk-pll.h
@ -36,6 +36,8 @@ struct meson_clk_pll_data {
 	struct parm frac;
 	struct parm l;
 	struct parm rst;
+	struct parm current_en;
+	struct parm l_detect;
 	const struct reg_sequence *init_regs;
 	unsigned int init_count;
 	const struct pll_params_table *table;
--- a/drivers/clk/pxa/clk-pxa.c
+++ b/drivers/clk/pxa/clk-pxa.c
@ -82,6 +82,7 @@ static u8 cken_get_parent(struct clk_hw *hw)
 }

 static const struct clk_ops cken_mux_ops = {
+	.determine_rate = clk_hw_determine_rate_no_reparent,
 	.get_parent = cken_get_parent,
 	.set_parent = dummy_clk_set_parent,
 };
--- a/drivers/clk/renesas/clk-mstp.c
+++ b/drivers/clk/renesas/clk-mstp.c
@ -14,6 +14,7 @@
 #include <linux/clk/renesas.h>
 #include <linux/device.h>
 #include <linux/io.h>
+#include <linux/iopoll.h>
 #include <linux/of.h>
 #include <linux/of_address.h>
 #include <linux/pm_clock.h>
@ -78,8 +79,8 @@ static int cpg_mstp_clock_endisable(struct clk_hw *hw, bool enable)
 	struct mstp_clock_group *group = clock->group;
 	u32 bitmask = BIT(clock->bit_index);
 	unsigned long flags;
-	unsigned int i;
 	u32 value;
+	int ret;

 	spin_lock_irqsave(&group->lock, flags);

@ -101,19 +102,14 @@ static int cpg_mstp_clock_endisable(struct clk_hw *hw, bool enable)
 	if (!enable || !group->mstpsr)
 		return 0;

-	for (i = 1000; i > 0; --i) {
-		if (!(cpg_mstp_read(group, group->mstpsr) & bitmask))
-			break;
-		cpu_relax();
-	}
-
-	if (!i) {
+	/* group->width_8bit is always false if group->mstpsr is present */
+	ret = readl_poll_timeout_atomic(group->mstpsr, value,
+					!(value & bitmask), 0, 10);
+	if (ret)
 		pr_err("%s: failed to enable %p[%d]\n", __func__,
 		       group->smstpcr, clock->bit_index);
-		return -ETIMEDOUT;
-	}

-	return 0;
+	return ret;
 }

 static int cpg_mstp_clock_enable(struct clk_hw *hw)
--- a/drivers/clk/renesas/r8a779a0-cpg-mssr.c
+++ b/drivers/clk/renesas/r8a779a0-cpg-mssr.c
@ -170,6 +170,7 @@ static const struct mssr_mod_clk r8a779a0_mod_clks[] __initconst = {
 	DEF_MOD("msi3",		621,	R8A779A0_CLK_MSO),
 	DEF_MOD("msi4",		622,	R8A779A0_CLK_MSO),
 	DEF_MOD("msi5",		623,	R8A779A0_CLK_MSO),
+	DEF_MOD("pwm0",		628,	R8A779A0_CLK_S1D8),
 	DEF_MOD("rpc-if",	629,	R8A779A0_CLK_RPCD2),
 	DEF_MOD("scif0",	702,	R8A779A0_CLK_S1D8),
 	DEF_MOD("scif1",	703,	R8A779A0_CLK_S1D8),
--- a/drivers/clk/renesas/r9a06g032-clocks.c
+++ b/drivers/clk/renesas/r9a06g032-clocks.c
@ -1121,6 +1121,7 @@ static int r9a06g032_clk_mux_set_parent(struct clk_hw *hw, u8 index)
 }

 static const struct clk_ops clk_bitselect_ops = {
+	.determine_rate = clk_hw_determine_rate_no_reparent,
 	.get_parent = r9a06g032_clk_mux_get_parent,
 	.set_parent = r9a06g032_clk_mux_set_parent,
 };
--- a/drivers/clk/renesas/renesas-cpg-mssr.c
+++ b/drivers/clk/renesas/renesas-cpg-mssr.c
@ -17,6 +17,7 @@
 #include <linux/device.h>
 #include <linux/init.h>
 #include <linux/io.h>
+#include <linux/iopoll.h>
 #include <linux/mod_devicetable.h>
 #include <linux/module.h>
 #include <linux/of_address.h>
@ -196,8 +197,8 @@ static int cpg_mstp_clock_endisable(struct clk_hw *hw, bool enable)
 	struct device *dev = priv->dev;
 	u32 bitmask = BIT(bit);
 	unsigned long flags;
-	unsigned int i;
 	u32 value;
+	int error;

 	dev_dbg(dev, "MSTP %u%02u/%pC %s\n", reg, bit, hw->clk,
 		enable ? "ON" : "OFF");
@ -228,19 +229,13 @@ static int cpg_mstp_clock_endisable(struct clk_hw *hw, bool enable)
 	if (!enable || priv->reg_layout == CLK_REG_LAYOUT_RZ_A)
 		return 0;

-	for (i = 1000; i > 0; --i) {
-		if (!(readl(priv->base + priv->status_regs[reg]) & bitmask))
-			break;
-		cpu_relax();
-	}
-
-	if (!i) {
+	error = readl_poll_timeout_atomic(priv->base + priv->status_regs[reg],
+					  value, !(value & bitmask), 0, 10);
+	if (error)
 		dev_err(dev, "Failed to enable SMSTP %p[%d]\n",
 			priv->base + priv->control_regs[reg], bit);
-		return -ETIMEDOUT;
-	}

-	return 0;
+	return error;
 }

 static int cpg_mstp_clock_enable(struct clk_hw *hw)
@ -896,8 +891,9 @@ static int cpg_mssr_suspend_noirq(struct device *dev)
 static int cpg_mssr_resume_noirq(struct device *dev)
 {
 	struct cpg_mssr_priv *priv = dev_get_drvdata(dev);
-	unsigned int reg, i;
+	unsigned int reg;
 	u32 mask, oldval, newval;
+	int error;

 	/* This is the best we can do to check for the presence of PSCI */
 	if (!psci_ops.cpu_suspend)
@ -935,14 +931,9 @@ static int cpg_mssr_resume_noirq(struct device *dev)
 		if (!mask)
 			continue;

-		for (i = 1000; i > 0; --i) {
-			oldval = readl(priv->base + priv->status_regs[reg]);
-			if (!(oldval & mask))
-				break;
-			cpu_relax();
-		}
-
-		if (!i)
+		error = readl_poll_timeout_atomic(priv->base + priv->status_regs[reg],
+						oldval, !(oldval & mask), 0, 10);
+		if (error)
 			dev_warn(dev, "Failed to enable SMSTP%u[0x%x]\n", reg,
 				 oldval & mask);
 	}
--- a/drivers/clk/renesas/rzg2l-cpg.c
+++ b/drivers/clk/renesas/rzg2l-cpg.c
@ -603,10 +603,8 @@ static int rzg2l_cpg_sipll5_set_rate(struct clk_hw *hw,
 	}

 	/* Output clock setting 1 */
-	writel(CPG_SIPLL5_CLK1_POSTDIV1_WEN | CPG_SIPLL5_CLK1_POSTDIV2_WEN |
-	       CPG_SIPLL5_CLK1_REFDIV_WEN  | (params.pl5_postdiv1 << 0) |
-	       (params.pl5_postdiv2 << 4) | (params.pl5_refdiv << 8),
-	       priv->base + CPG_SIPLL5_CLK1);
+	writel((params.pl5_postdiv1 << 0) | (params.pl5_postdiv2 << 4) |
+	       (params.pl5_refdiv << 8), priv->base + CPG_SIPLL5_CLK1);

 	/* Output clock setting, SSCG modulation value setting 3 */
 	writel((params.pl5_fracin << 8), priv->base + CPG_SIPLL5_CLK3);
@ -905,9 +903,9 @@ static int rzg2l_mod_clock_endisable(struct clk_hw *hw, bool enable)
 	unsigned int reg = clock->off;
 	struct device *dev = priv->dev;
 	unsigned long flags;
-	unsigned int i;
 	u32 bitmask = BIT(clock->bit);
 	u32 value;
+	int error;

 	if (!clock->off) {
 		dev_dbg(dev, "%pC does not support ON/OFF\n",  hw->clk);
@ -932,19 +930,13 @@ static int rzg2l_mod_clock_endisable(struct clk_hw *hw, bool enable)
 	if (!priv->info->has_clk_mon_regs)
 		return 0;

-	for (i = 1000; i > 0; --i) {
-		if (((readl(priv->base + CLK_MON_R(reg))) & bitmask))
-			break;
-		cpu_relax();
-	}
-
-	if (!i) {
+	error = readl_poll_timeout_atomic(priv->base + CLK_MON_R(reg), value,
+					  value & bitmask, 0, 10);
+	if (error)
 		dev_err(dev, "Failed to enable CLK_ON %p\n",
 			priv->base + CLK_ON_R(reg));
-		return -ETIMEDOUT;
-	}

-	return 0;
+	return error;
 }

 static int rzg2l_mod_clock_enable(struct clk_hw *hw)
--- a/drivers/clk/renesas/rzg2l-cpg.h
+++ b/drivers/clk/renesas/rzg2l-cpg.h
@ -32,9 +32,6 @@
 #define CPG_SIPLL5_STBY_RESETB_WEN	BIT(16)
 #define CPG_SIPLL5_STBY_SSCG_EN_WEN	BIT(18)
 #define CPG_SIPLL5_STBY_DOWNSPREAD_WEN	BIT(20)
-#define CPG_SIPLL5_CLK1_POSTDIV1_WEN	BIT(16)
-#define CPG_SIPLL5_CLK1_POSTDIV2_WEN	BIT(20)
-#define CPG_SIPLL5_CLK1_REFDIV_WEN	BIT(24)
 #define CPG_SIPLL5_CLK4_RESV_LSB	(0xFF)
 #define CPG_SIPLL5_MON_PLL5_LOCK	BIT(4)

--- a/drivers/clk/samsung/Kconfig
+++ b/drivers/clk/samsung/Kconfig
@ -2,6 +2,7 @@
 # Recent Exynos platforms should just select COMMON_CLK_SAMSUNG:
 config COMMON_CLK_SAMSUNG
 	bool "Samsung Exynos clock controller support" if COMPILE_TEST
+	depends on OF
 	select S3C64XX_COMMON_CLK if ARM && ARCH_S3C64XX
 	select S5PV210_COMMON_CLK if ARM && ARCH_S5PV210
 	select EXYNOS_3250_COMMON_CLK if ARM && SOC_EXYNOS3250
--- a/drivers/clk/samsung/clk-exynos-clkout.c
+++ b/drivers/clk/samsung/clk-exynos-clkout.c
@ -55,6 +55,9 @@ static const struct of_device_id exynos_clkout_ids[] = {
 	}, {
 		.compatible = "samsung,exynos4210-pmu",
 		.data = &exynos_clkout_exynos4,
+	}, {
+		.compatible = "samsung,exynos4212-pmu",
+		.data = &exynos_clkout_exynos4,
 	}, {
 		.compatible = "samsung,exynos4412-pmu",
 		.data = &exynos_clkout_exynos4,
--- a/drivers/clk/samsung/clk-exynos4.c
+++ b/drivers/clk/samsung/clk-exynos4.c
@ -138,7 +138,8 @@
 /* the exynos4 soc type */
 enum exynos4_soc {
 	EXYNOS4210,
-	EXYNOS4X12,
+	EXYNOS4212,
+	EXYNOS4412,
 };

 /* list of PLLs to be registered */
@ -1205,6 +1206,24 @@ static const struct exynos_cpuclk_cfg_data e4210_armclk_d[] __initconst = {
 	{  0 },
 };

+static const struct exynos_cpuclk_cfg_data e4212_armclk_d[] __initconst = {
+	{ 1500000, E4210_CPU_DIV0(2, 1, 6, 0, 7, 3), E4210_CPU_DIV1(2, 6), },
+	{ 1400000, E4210_CPU_DIV0(2, 1, 6, 0, 7, 3), E4210_CPU_DIV1(2, 6), },
+	{ 1300000, E4210_CPU_DIV0(2, 1, 5, 0, 7, 3), E4210_CPU_DIV1(2, 5), },
+	{ 1200000, E4210_CPU_DIV0(2, 1, 5, 0, 7, 3), E4210_CPU_DIV1(2, 5), },
+	{ 1100000, E4210_CPU_DIV0(2, 1, 4, 0, 6, 3), E4210_CPU_DIV1(2, 4), },
+	{ 1000000, E4210_CPU_DIV0(1, 1, 4, 0, 5, 2), E4210_CPU_DIV1(2, 4), },
+	{  900000, E4210_CPU_DIV0(1, 1, 3, 0, 5, 2), E4210_CPU_DIV1(2, 3), },
+	{  800000, E4210_CPU_DIV0(1, 1, 3, 0, 5, 2), E4210_CPU_DIV1(2, 3), },
+	{  700000, E4210_CPU_DIV0(1, 1, 3, 0, 4, 2), E4210_CPU_DIV1(2, 3), },
+	{  600000, E4210_CPU_DIV0(1, 1, 3, 0, 4, 2), E4210_CPU_DIV1(2, 3), },
+	{  500000, E4210_CPU_DIV0(1, 1, 3, 0, 4, 2), E4210_CPU_DIV1(2, 3), },
+	{  400000, E4210_CPU_DIV0(1, 1, 3, 0, 4, 2), E4210_CPU_DIV1(2, 3), },
+	{  300000, E4210_CPU_DIV0(1, 1, 2, 0, 4, 2), E4210_CPU_DIV1(2, 3), },
+	{  200000, E4210_CPU_DIV0(1, 1, 1, 0, 3, 1), E4210_CPU_DIV1(2, 3), },
+	{  0 },
+};
+
 #define E4412_CPU_DIV1(cores, hpm, copy)				\
 		(((cores) << 8) | ((hpm) << 4) | ((copy) << 0))

@ -1233,6 +1252,11 @@ static const struct samsung_cpu_clock exynos4210_cpu_clks[] __initconst = {
 			CLK_CPU_NEEDS_DEBUG_ALT_DIV | CLK_CPU_HAS_DIV1, 0x14200, e4210_armclk_d),
 };

+static const struct samsung_cpu_clock exynos4212_cpu_clks[] __initconst = {
+	CPU_CLK(CLK_ARM_CLK, "armclk", CLK_MOUT_APLL, CLK_MOUT_MPLL_USER_C,
+		CLK_CPU_NEEDS_DEBUG_ALT_DIV | CLK_CPU_HAS_DIV1, 0x14200, e4212_armclk_d),
+};
+
 static const struct samsung_cpu_clock exynos4412_cpu_clks[] __initconst = {
 	CPU_CLK(CLK_ARM_CLK, "armclk", CLK_MOUT_APLL, CLK_MOUT_MPLL_USER_C,
 			CLK_CPU_NEEDS_DEBUG_ALT_DIV | CLK_CPU_HAS_DIV1, 0x14200, e4412_armclk_d),
@ -1326,11 +1350,15 @@ static void __init exynos4_clk_init(struct device_node *np,
 		samsung_clk_register_fixed_factor(ctx,
 			exynos4x12_fixed_factor_clks,
 			ARRAY_SIZE(exynos4x12_fixed_factor_clks));
-		samsung_clk_register_cpu(ctx, exynos4412_cpu_clks,
-				ARRAY_SIZE(exynos4412_cpu_clks));
+		if (soc == EXYNOS4412)
+			samsung_clk_register_cpu(ctx, exynos4412_cpu_clks,
+					ARRAY_SIZE(exynos4412_cpu_clks));
+		else
+			samsung_clk_register_cpu(ctx, exynos4212_cpu_clks,
+					ARRAY_SIZE(exynos4212_cpu_clks));
 	}

-	if (soc == EXYNOS4X12)
+	if (soc == EXYNOS4212 || soc == EXYNOS4412)
 		exynos4x12_core_down_clock();

 	samsung_clk_extended_sleep_init(reg_base,
@ -1363,8 +1391,14 @@ static void __init exynos4210_clk_init(struct device_node *np)
 }
 CLK_OF_DECLARE(exynos4210_clk, "samsung,exynos4210-clock", exynos4210_clk_init);

+static void __init exynos4212_clk_init(struct device_node *np)
+{
+	exynos4_clk_init(np, EXYNOS4212);
+}
+CLK_OF_DECLARE(exynos4212_clk, "samsung,exynos4212-clock", exynos4212_clk_init);
+
 static void __init exynos4412_clk_init(struct device_node *np)
 {
-	exynos4_clk_init(np, EXYNOS4X12);
+	exynos4_clk_init(np, EXYNOS4412);
 }
 CLK_OF_DECLARE(exynos4412_clk, "samsung,exynos4412-clock", exynos4412_clk_init);
--- a/drivers/clk/socfpga/clk-gate.c
+++ b/drivers/clk/socfpga/clk-gate.c
@ -110,6 +110,7 @@ static unsigned long socfpga_clk_recalc_rate(struct clk_hw *hwclk,

 static struct clk_ops gateclk_ops = {
 	.recalc_rate = socfpga_clk_recalc_rate,
+	.determine_rate = clk_hw_determine_rate_no_reparent,
 	.get_parent = socfpga_clk_get_parent,
 	.set_parent = socfpga_clk_set_parent,
 };
--- a/drivers/clk/sprd/composite.c
+++ b/drivers/clk/sprd/composite.c
@ -9,13 +9,12 @@

 #include "composite.h"

-static long sprd_comp_round_rate(struct clk_hw *hw, unsigned long rate,
-				unsigned long *parent_rate)
+static int sprd_comp_determine_rate(struct clk_hw *hw,
+				    struct clk_rate_request *req)
 {
 	struct sprd_comp *cc = hw_to_sprd_comp(hw);

-	return sprd_div_helper_round_rate(&cc->common, &cc->div,
-					 rate, parent_rate);
+	return divider_determine_rate(hw, req, NULL, cc->div.width, 0);
 }

 static unsigned long sprd_comp_recalc_rate(struct clk_hw *hw,
@ -53,7 +52,7 @@ const struct clk_ops sprd_comp_ops = {
 	.get_parent	= sprd_comp_get_parent,
 	.set_parent	= sprd_comp_set_parent,

-	.round_rate	= sprd_comp_round_rate,
+	.determine_rate	= sprd_comp_determine_rate,
 	.recalc_rate	= sprd_comp_recalc_rate,
 	.set_rate	= sprd_comp_set_rate,
 };
--- a/drivers/clk/sprd/div.c
+++ b/drivers/clk/sprd/div.c
@ -9,23 +9,13 @@

 #include "div.h"

-long sprd_div_helper_round_rate(struct sprd_clk_common *common,
-				const struct sprd_div_internal *div,
-				unsigned long rate,
-				unsigned long *parent_rate)
-{
-	return divider_round_rate(&common->hw, rate, parent_rate,
-				  NULL, div->width, 0);
-}
-EXPORT_SYMBOL_GPL(sprd_div_helper_round_rate);
-
 static long sprd_div_round_rate(struct clk_hw *hw, unsigned long rate,
 				unsigned long *parent_rate)
 {
 	struct sprd_div *cd = hw_to_sprd_div(hw);

-	return sprd_div_helper_round_rate(&cd->common, &cd->div,
-					  rate, parent_rate);
+	return divider_round_rate(&cd->common.hw, rate, parent_rate, NULL,
+				  cd->div.width, 0);
 }

 unsigned long sprd_div_helper_recalc_rate(struct sprd_clk_common *common,
--- a/drivers/clk/sprd/div.h
+++ b/drivers/clk/sprd/div.h
@ -64,11 +64,6 @@ static inline struct sprd_div *hw_to_sprd_div(const struct clk_hw *hw)
 	return container_of(common, struct sprd_div, common);
 }

-long sprd_div_helper_round_rate(struct sprd_clk_common *common,
-				const struct sprd_div_internal *div,
-				unsigned long rate,
-				unsigned long *parent_rate);
-
 unsigned long sprd_div_helper_recalc_rate(struct sprd_clk_common *common,
 					  const struct sprd_div_internal *div,
 					  unsigned long parent_rate);
--- a/drivers/clk/st/clk-flexgen.c
+++ b/drivers/clk/st/clk-flexgen.c
@ -119,20 +119,21 @@ clk_best_div(unsigned long parent_rate, unsigned long rate)
 	return parent_rate / rate + ((rate > (2*(parent_rate % rate))) ? 0 : 1);
 }

-static long flexgen_round_rate(struct clk_hw *hw, unsigned long rate,
-				   unsigned long *prate)
+static int flexgen_determine_rate(struct clk_hw *hw,
+				  struct clk_rate_request *req)
 {
 	unsigned long div;

 	/* Round div according to exact prate and wished rate */
-	div = clk_best_div(*prate, rate);
+	div = clk_best_div(req->best_parent_rate, req->rate);

 	if (clk_hw_get_flags(hw) & CLK_SET_RATE_PARENT) {
-		*prate = rate * div;
-		return rate;
+		req->best_parent_rate = req->rate * div;
+		return 0;
 	}

-	return *prate / div;
+	req->rate = req->best_parent_rate / div;
+	return 0;
 }

 static unsigned long flexgen_recalc_rate(struct clk_hw *hw,
@ -197,7 +198,7 @@ static const struct clk_ops flexgen_ops = {
 	.is_enabled = flexgen_is_enabled,
 	.get_parent = flexgen_get_parent,
 	.set_parent = flexgen_set_parent,
-	.round_rate = flexgen_round_rate,
+	.determine_rate = flexgen_determine_rate,
 	.recalc_rate = flexgen_recalc_rate,
 	.set_rate = flexgen_set_rate,
 };
--- a/drivers/clk/stm32/clk-stm32-core.c
+++ b/drivers/clk/stm32/clk-stm32-core.c
@ -275,6 +275,7 @@ static int clk_stm32_mux_set_parent(struct clk_hw *hw, u8 index)
 }

 const struct clk_ops clk_stm32_mux_ops = {
+	.determine_rate	= __clk_mux_determine_rate,
 	.get_parent	= clk_stm32_mux_get_parent,
 	.set_parent	= clk_stm32_mux_set_parent,
 };
@ -425,15 +426,15 @@ static unsigned long clk_stm32_composite_recalc_rate(struct clk_hw *hw,
 				      composite->div_id, parent_rate);
 }

-static long clk_stm32_composite_round_rate(struct clk_hw *hw, unsigned long rate,
-					   unsigned long *prate)
+static int clk_stm32_composite_determine_rate(struct clk_hw *hw,
+					      struct clk_rate_request *req)
 {
 	struct clk_stm32_composite *composite = to_clk_stm32_composite(hw);
-
 	const struct stm32_div_cfg *divider;
+	unsigned long rate;

 	if (composite->div_id == NO_STM32_DIV)
-		return rate;
+		return 0;

 	divider = &composite->clock_data->dividers[composite->div_id];

@ -444,14 +445,24 @@ static long clk_stm32_composite_round_rate(struct clk_hw *hw, unsigned long rate
 		val =  readl(composite->base + divider->offset) >> divider->shift;
 		val &= clk_div_mask(divider->width);

-		return divider_ro_round_rate(hw, rate, prate, divider->table,
-				divider->width, divider->flags,
-				val);
+		rate = divider_ro_round_rate(hw, req->rate, &req->best_parent_rate,
+					     divider->table, divider->width, divider->flags,
+					     val);
+		if (rate < 0)
+			return rate;
+
+		req->rate = rate;
+		return 0;
 	}

-	return divider_round_rate_parent(hw, clk_hw_get_parent(hw),
-					 rate, prate, divider->table,
-					 divider->width, divider->flags);
+	rate = divider_round_rate_parent(hw, clk_hw_get_parent(hw),
+					 req->rate, &req->best_parent_rate,
+					 divider->table, divider->width, divider->flags);
+	if (rate < 0)
+		return rate;
+
+	req->rate = rate;
+	return 0;
 }

 static u8 clk_stm32_composite_get_parent(struct clk_hw *hw)
@ -601,7 +612,7 @@ static void clk_stm32_composite_disable_unused(struct clk_hw *hw)
 const struct clk_ops clk_stm32_composite_ops = {
 	.set_rate	= clk_stm32_composite_set_rate,
 	.recalc_rate	= clk_stm32_composite_recalc_rate,
-	.round_rate	= clk_stm32_composite_round_rate,
+	.determine_rate	= clk_stm32_composite_determine_rate,
 	.get_parent	= clk_stm32_composite_get_parent,
 	.set_parent	= clk_stm32_composite_set_parent,
 	.enable		= clk_stm32_composite_gate_enable,
--- a/drivers/clk/sunxi-ng/ccu-sun50i-a64.c
+++ b/drivers/clk/sunxi-ng/ccu-sun50i-a64.c
@ -528,11 +528,18 @@ static SUNXI_CCU_M_WITH_MUX_GATE(de_clk, "de", de_parents,
 				 0x104, 0, 4, 24, 3, BIT(31),
 				 CLK_SET_RATE_PARENT);

+/*
+ * DSI output seems to work only when PLL_MIPI selected. Set it and prevent
+ * the mux from reparenting.
+ */
+#define SUN50I_A64_TCON0_CLK_REG	0x118
+
 static const char * const tcon0_parents[] = { "pll-mipi", "pll-video0-2x" };
 static const u8 tcon0_table[] = { 0, 2, };
 static SUNXI_CCU_MUX_TABLE_WITH_GATE(tcon0_clk, "tcon0", tcon0_parents,
 				     tcon0_table, 0x118, 24, 3, BIT(31),
-				     CLK_SET_RATE_PARENT);
+				     CLK_SET_RATE_PARENT |
+				     CLK_SET_RATE_NO_REPARENT);

 static const char * const tcon1_parents[] = { "pll-video0", "pll-video1" };
 static const u8 tcon1_table[] = { 0, 2, };
@ -953,6 +960,11 @@ static int sun50i_a64_ccu_probe(struct platform_device *pdev)

 	writel(0x515, reg + SUN50I_A64_PLL_MIPI_REG);

+	/* Set PLL MIPI as parent for TCON0 */
+	val = readl(reg + SUN50I_A64_TCON0_CLK_REG);
+	val &= ~GENMASK(26, 24);
+	writel(val | (0 << 24), reg + SUN50I_A64_TCON0_CLK_REG);
+
 	ret = devm_sunxi_ccu_probe(&pdev->dev, reg, &sun50i_a64_ccu_desc);
 	if (ret)
 		return ret;
--- a/drivers/clk/tegra/clk-bpmp.c
+++ b/drivers/clk/tegra/clk-bpmp.c
@ -286,6 +286,7 @@ static const struct clk_ops tegra_bpmp_clk_mux_ops = {
 	.unprepare = tegra_bpmp_clk_unprepare,
 	.is_prepared = tegra_bpmp_clk_is_prepared,
 	.recalc_rate = tegra_bpmp_clk_recalc_rate,
+	.determine_rate = clk_hw_determine_rate_no_reparent,
 	.set_parent = tegra_bpmp_clk_set_parent,
 	.get_parent = tegra_bpmp_clk_get_parent,
 };
--- a/drivers/clk/tegra/clk-periph.c
+++ b/drivers/clk/tegra/clk-periph.c
@ -45,16 +45,22 @@ static unsigned long clk_periph_recalc_rate(struct clk_hw *hw,
 	return div_ops->recalc_rate(div_hw, parent_rate);
 }

-static long clk_periph_round_rate(struct clk_hw *hw, unsigned long rate,
-				  unsigned long *prate)
+static int clk_periph_determine_rate(struct clk_hw *hw,
+				     struct clk_rate_request *req)
 {
 	struct tegra_clk_periph *periph = to_clk_periph(hw);
 	const struct clk_ops *div_ops = periph->div_ops;
 	struct clk_hw *div_hw = &periph->divider.hw;
+	unsigned long rate;

 	__clk_hw_set_clk(div_hw, hw);

-	return div_ops->round_rate(div_hw, rate, prate);
+	rate = div_ops->round_rate(div_hw, req->rate, &req->best_parent_rate);
+	if (rate < 0)
+		return rate;
+
+	req->rate = rate;
+	return 0;
 }

 static int clk_periph_set_rate(struct clk_hw *hw, unsigned long rate,
@ -130,7 +136,7 @@ const struct clk_ops tegra_clk_periph_ops = {
 	.get_parent = clk_periph_get_parent,
 	.set_parent = clk_periph_set_parent,
 	.recalc_rate = clk_periph_recalc_rate,
-	.round_rate = clk_periph_round_rate,
+	.determine_rate = clk_periph_determine_rate,
 	.set_rate = clk_periph_set_rate,
 	.is_enabled = clk_periph_is_enabled,
 	.enable = clk_periph_enable,
@ -140,6 +146,7 @@ const struct clk_ops tegra_clk_periph_ops = {
 };

 static const struct clk_ops tegra_clk_periph_nodiv_ops = {
+	.determine_rate = clk_hw_determine_rate_no_reparent,
 	.get_parent = clk_periph_get_parent,
 	.set_parent = clk_periph_set_parent,
 	.is_enabled = clk_periph_is_enabled,
@ -153,7 +160,7 @@ static const struct clk_ops tegra_clk_periph_no_gate_ops = {
 	.get_parent = clk_periph_get_parent,
 	.set_parent = clk_periph_set_parent,
 	.recalc_rate = clk_periph_recalc_rate,
-	.round_rate = clk_periph_round_rate,
+	.determine_rate = clk_periph_determine_rate,
 	.set_rate = clk_periph_set_rate,
 	.restore_context = clk_periph_restore_context,
 };
--- a/drivers/clk/tegra/clk-super.c
+++ b/drivers/clk/tegra/clk-super.c
@ -136,20 +136,28 @@ static void clk_super_mux_restore_context(struct clk_hw *hw)
 }

 static const struct clk_ops tegra_clk_super_mux_ops = {
+	.determine_rate = clk_hw_determine_rate_no_reparent,
 	.get_parent = clk_super_get_parent,
 	.set_parent = clk_super_set_parent,
 	.restore_context = clk_super_mux_restore_context,
 };

-static long clk_super_round_rate(struct clk_hw *hw, unsigned long rate,
-				 unsigned long *parent_rate)
+static int clk_super_determine_rate(struct clk_hw *hw,
+				    struct clk_rate_request *req)
 {
 	struct tegra_clk_super_mux *super = to_clk_super_mux(hw);
 	struct clk_hw *div_hw = &super->frac_div.hw;
+	unsigned long rate;

 	__clk_hw_set_clk(div_hw, hw);

-	return super->div_ops->round_rate(div_hw, rate, parent_rate);
+	rate = super->div_ops->round_rate(div_hw, req->rate,
+					  &req->best_parent_rate);
+	if (rate < 0)
+		return rate;
+
+	req->rate = rate;
+	return 0;
 }

 static unsigned long clk_super_recalc_rate(struct clk_hw *hw,
@ -192,7 +200,7 @@ const struct clk_ops tegra_clk_super_ops = {
 	.get_parent = clk_super_get_parent,
 	.set_parent = clk_super_set_parent,
 	.set_rate = clk_super_set_rate,
-	.round_rate = clk_super_round_rate,
+	.determine_rate = clk_super_determine_rate,
 	.recalc_rate = clk_super_recalc_rate,
 	.restore_context = clk_super_restore_context,
 };
--- a/drivers/clk/ux500/clk-prcmu.c
+++ b/drivers/clk/ux500/clk-prcmu.c
@ -344,6 +344,7 @@ static const struct clk_ops clk_prcmu_clkout_ops = {
 	.prepare = clk_prcmu_clkout_prepare,
 	.unprepare = clk_prcmu_clkout_unprepare,
 	.recalc_rate = clk_prcmu_clkout_recalc_rate,
+	.determine_rate = clk_hw_determine_rate_no_reparent,
 	.get_parent = clk_prcmu_clkout_get_parent,
 	.set_parent = clk_prcmu_clkout_set_parent,
 };
--- a/drivers/clk/ux500/clk-sysctrl.c
+++ b/drivers/clk/ux500/clk-sysctrl.c
@ -110,6 +110,7 @@ static const struct clk_ops clk_sysctrl_gate_fixed_rate_ops = {
 };

 static const struct clk_ops clk_sysctrl_set_parent_ops = {
+	.determine_rate = clk_hw_determine_rate_no_reparent,
 	.set_parent = clk_sysctrl_set_parent,
 	.get_parent = clk_sysctrl_get_parent,
 };
--- a/drivers/clk/versatile/clk-sp810.c
+++ b/drivers/clk/versatile/clk-sp810.c
@ -63,6 +63,7 @@ static int clk_sp810_timerclken_set_parent(struct clk_hw *hw, u8 index)
 }

 static const struct clk_ops clk_sp810_timerclken_ops = {
+	.determine_rate = clk_hw_determine_rate_no_reparent,
 	.get_parent = clk_sp810_timerclken_get_parent,
 	.set_parent = clk_sp810_timerclken_set_parent,
 };
--- a/drivers/gpu/drm/tegra/sor.c
+++ b/drivers/gpu/drm/tegra/sor.c
@ -586,6 +586,7 @@ static u8 tegra_clk_sor_pad_get_parent(struct clk_hw *hw)
 }

 static const struct clk_ops tegra_clk_sor_pad_ops = {
+	.determine_rate = clk_hw_determine_rate_no_reparent,
 	.set_parent = tegra_clk_sor_pad_set_parent,
 	.get_parent = tegra_clk_sor_pad_get_parent,
 };
--- a/drivers/phy/cadence/phy-cadence-sierra.c
+++ b/drivers/phy/cadence/phy-cadence-sierra.c
@ -720,6 +720,7 @@ static int cdns_sierra_pll_mux_set_parent(struct clk_hw *hw, u8 index)
 }

 static const struct clk_ops cdns_sierra_pll_mux_ops = {
+	.determine_rate = __clk_mux_determine_rate,
 	.set_parent = cdns_sierra_pll_mux_set_parent,
 	.get_parent = cdns_sierra_pll_mux_get_parent,
 };
--- a/drivers/phy/cadence/phy-cadence-torrent.c
+++ b/drivers/phy/cadence/phy-cadence-torrent.c
@ -1861,6 +1861,7 @@ static const struct clk_ops cdns_torrent_refclk_driver_ops = {
 	.enable = cdns_torrent_refclk_driver_enable,
 	.disable = cdns_torrent_refclk_driver_disable,
 	.is_enabled = cdns_torrent_refclk_driver_is_enabled,
+	.determine_rate = __clk_mux_determine_rate,
 	.set_parent = cdns_torrent_refclk_driver_set_parent,
 	.get_parent = cdns_torrent_refclk_driver_get_parent,
 };
--- a/drivers/phy/ti/phy-am654-serdes.c
+++ b/drivers/phy/ti/phy-am654-serdes.c
@ -634,6 +634,7 @@ static int serdes_am654_clk_mux_set_parent(struct clk_hw *hw, u8 index)
 }

 static const struct clk_ops serdes_am654_clk_mux_ops = {
+	.determine_rate = __clk_mux_determine_rate,
 	.set_parent = serdes_am654_clk_mux_set_parent,
 	.get_parent = serdes_am654_clk_mux_get_parent,
 };
--- a/drivers/phy/ti/phy-j721e-wiz.c
+++ b/drivers/phy/ti/phy-j721e-wiz.c
@ -801,6 +801,7 @@ static int wiz_clk_mux_set_parent(struct clk_hw *hw, u8 index)
 }

 static const struct clk_ops wiz_clk_mux_ops = {
+	.determine_rate = __clk_mux_determine_rate,
 	.set_parent = wiz_clk_mux_set_parent,
 	.get_parent = wiz_clk_mux_get_parent,
 };
--- a/drivers/rtc/rtc-sun6i.c
+++ b/drivers/rtc/rtc-sun6i.c
@ -214,6 +214,7 @@ static int sun6i_rtc_osc_set_parent(struct clk_hw *hw, u8 index)

 static const struct clk_ops sun6i_rtc_osc_ops = {
 	.recalc_rate	= sun6i_rtc_osc_recalc_rate,
+	.determine_rate	= clk_hw_determine_rate_no_reparent,

 	.get_parent	= sun6i_rtc_osc_get_parent,
 	.set_parent	= sun6i_rtc_osc_set_parent,
--- a/include/dt-bindings/clock/amlogic,a1-peripherals-clkc.h
+++ b/include/dt-bindings/clock/amlogic,a1-peripherals-clkc.h
@ -0,0 +1,115 @@
+/* SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause */
+/*
+ * Copyright (c) 2019 Amlogic, Inc. All rights reserved.
+ * Author: Jian Hu <jian.hu@amlogic.com>
+ *
+ * Copyright (c) 2023, SberDevices. All Rights Reserved.
+ * Author: Dmitry Rokosov <ddrokosov@sberdevices.ru>
+ */
+
+#ifndef __A1_PERIPHERALS_CLKC_H
+#define __A1_PERIPHERALS_CLKC_H
+
+#define CLKID_FIXPLL_IN		1
+#define CLKID_USB_PHY_IN	2
+#define CLKID_USB_CTRL_IN	3
+#define CLKID_HIFIPLL_IN	4
+#define CLKID_SYSPLL_IN		5
+#define CLKID_DDS_IN		6
+#define CLKID_SYS		7
+#define CLKID_CLKTREE		8
+#define CLKID_RESET_CTRL	9
+#define CLKID_ANALOG_CTRL	10
+#define CLKID_PWR_CTRL		11
+#define CLKID_PAD_CTRL		12
+#define CLKID_SYS_CTRL		13
+#define CLKID_TEMP_SENSOR	14
+#define CLKID_AM2AXI_DIV	15
+#define CLKID_SPICC_B		16
+#define CLKID_SPICC_A		17
+#define CLKID_MSR		18
+#define CLKID_AUDIO		19
+#define CLKID_JTAG_CTRL		20
+#define CLKID_SARADC_EN		21
+#define CLKID_PWM_EF		22
+#define CLKID_PWM_CD		23
+#define CLKID_PWM_AB		24
+#define CLKID_CEC		25
+#define CLKID_I2C_S		26
+#define CLKID_IR_CTRL		27
+#define CLKID_I2C_M_D		28
+#define CLKID_I2C_M_C		29
+#define CLKID_I2C_M_B		30
+#define CLKID_I2C_M_A		31
+#define CLKID_ACODEC		32
+#define CLKID_OTP		33
+#define CLKID_SD_EMMC_A		34
+#define CLKID_USB_PHY		35
+#define CLKID_USB_CTRL		36
+#define CLKID_SYS_DSPB		37
+#define CLKID_SYS_DSPA		38
+#define CLKID_DMA		39
+#define CLKID_IRQ_CTRL		40
+#define CLKID_NIC		41
+#define CLKID_GIC		42
+#define CLKID_UART_C		43
+#define CLKID_UART_B		44
+#define CLKID_UART_A		45
+#define CLKID_SYS_PSRAM		46
+#define CLKID_RSA		47
+#define CLKID_CORESIGHT		48
+#define CLKID_AM2AXI_VAD	49
+#define CLKID_AUDIO_VAD		50
+#define CLKID_AXI_DMC		51
+#define CLKID_AXI_PSRAM		52
+#define CLKID_RAMB		53
+#define CLKID_RAMA		54
+#define CLKID_AXI_SPIFC		55
+#define CLKID_AXI_NIC		56
+#define CLKID_AXI_DMA		57
+#define CLKID_CPU_CTRL		58
+#define CLKID_ROM		59
+#define CLKID_PROC_I2C		60
+#define CLKID_DSPA_EN		63
+#define CLKID_DSPA_EN_NIC	64
+#define CLKID_DSPB_EN		65
+#define CLKID_DSPB_EN_NIC	66
+#define CLKID_RTC		67
+#define CLKID_CECA_32K		68
+#define CLKID_CECB_32K		69
+#define CLKID_24M		70
+#define CLKID_12M		71
+#define CLKID_FCLK_DIV2_DIVN	72
+#define CLKID_GEN		73
+#define CLKID_SARADC		75
+#define CLKID_PWM_A		76
+#define CLKID_PWM_B		77
+#define CLKID_PWM_C		78
+#define CLKID_PWM_D		79
+#define CLKID_PWM_E		80
+#define CLKID_PWM_F		81
+#define CLKID_SPICC		82
+#define CLKID_TS		83
+#define CLKID_SPIFC		84
+#define CLKID_USB_BUS		85
+#define CLKID_SD_EMMC		86
+#define CLKID_PSRAM		87
+#define CLKID_DMC		88
+#define CLKID_DSPA_A_SEL	95
+#define CLKID_DSPA_B_SEL	98
+#define CLKID_DSPB_A_SEL	101
+#define CLKID_DSPB_B_SEL	104
+#define CLKID_CECB_32K_SEL_PRE	113
+#define CLKID_CECB_32K_SEL	114
+#define CLKID_CECA_32K_SEL_PRE	117
+#define CLKID_CECA_32K_SEL	118
+#define CLKID_GEN_SEL		121
+#define CLKID_PWM_A_SEL		124
+#define CLKID_PWM_B_SEL		126
+#define CLKID_PWM_C_SEL		128
+#define CLKID_PWM_D_SEL		130
+#define CLKID_PWM_E_SEL		132
+#define CLKID_PWM_F_SEL		134
+#define CLKID_SD_EMMC_SEL2	147
+
+#endif /* __A1_PERIPHERALS_CLKC_H */
--- a/include/dt-bindings/clock/amlogic,a1-pll-clkc.h
+++ b/include/dt-bindings/clock/amlogic,a1-pll-clkc.h
@ -0,0 +1,20 @@
+/* SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause */
+/*
+ * Copyright (c) 2019 Amlogic, Inc. All rights reserved.
+ * Author: Jian Hu <jian.hu@amlogic.com>
+ *
+ * Copyright (c) 2023, SberDevices. All Rights Reserved.
+ * Author: Dmitry Rokosov <ddrokosov@sberdevices.ru>
+ */
+
+#ifndef __A1_PLL_CLKC_H
+#define __A1_PLL_CLKC_H
+
+#define CLKID_FIXED_PLL		1
+#define CLKID_FCLK_DIV2		6
+#define CLKID_FCLK_DIV3		7
+#define CLKID_FCLK_DIV5		8
+#define CLKID_FCLK_DIV7		9
+#define CLKID_HIFI_PLL		10
+
+#endif /* __A1_PLL_CLKC_H */
--- a/include/linux/clk-provider.h
+++ b/include/linux/clk-provider.h
@ -1333,6 +1333,8 @@ int __clk_mux_determine_rate_closest(struct clk_hw *hw,
 int clk_mux_determine_rate_flags(struct clk_hw *hw,
 				 struct clk_rate_request *req,
 				 unsigned long flags);
+int clk_hw_determine_rate_no_reparent(struct clk_hw *hw,
+				      struct clk_rate_request *req);
 void clk_hw_reparent(struct clk_hw *hw, struct clk_hw *new_parent);
 void clk_hw_get_rate_range(struct clk_hw *hw, unsigned long *min_rate,
 			   unsigned long *max_rate);
--- a/include/linux/iopoll.h
+++ b/include/linux/iopoll.h
@ -53,6 +53,7 @@
 		} \
 		if (__sleep_us) \
 			usleep_range((__sleep_us >> 2) + 1, __sleep_us); \
+		cpu_relax(); \
 	} \
 	(cond) ? 0 : -ETIMEDOUT; \
 })
@ -73,6 +74,10 @@
 * Returns 0 on success and -ETIMEDOUT upon a timeout. In either
 * case, the last read value at @args is stored in @val.
 *
+ * This macro does not rely on timekeeping.  Hence it is safe to call even when
+ * timekeeping is suspended, at the expense of an underestimation of wall clock
+ * time, which is rather minimal with a non-zero delay_us.
+ *
 * When available, you'll probably want to use one of the specialized
 * macros defined below rather than this macro directly.
 */
@ -80,21 +85,30 @@
 					delay_before_read, args...) \
 ({ \
 	u64 __timeout_us = (timeout_us); \
+	s64 __left_ns = __timeout_us * NSEC_PER_USEC; \
 	unsigned long __delay_us = (delay_us); \
-	ktime_t __timeout = ktime_add_us(ktime_get(), __timeout_us); \
-	if (delay_before_read && __delay_us) \
+	u64 __delay_ns = __delay_us * NSEC_PER_USEC; \
+	if (delay_before_read && __delay_us) { \
 		udelay(__delay_us); \
+		if (__timeout_us) \
+			__left_ns -= __delay_ns; \
+	} \
 	for (;;) { \
 		(val) = op(args); \
 		if (cond) \
 			break; \
-		if (__timeout_us && \
-		    ktime_compare(ktime_get(), __timeout) > 0) { \
+		if (__timeout_us && __left_ns < 0) { \
 			(val) = op(args); \
 			break; \
 		} \
-		if (__delay_us) \
+		if (__delay_us) { \
 			udelay(__delay_us); \
+			if (__timeout_us) \
+				__left_ns -= __delay_ns; \
+		} \
+		cpu_relax(); \
+		if (__timeout_us) \
+			__left_ns--; \
 	} \
 	(cond) ? 0 : -ETIMEDOUT; \
 })
--- a/sound/soc/codecs/tlv320aic32x4-clk.c
+++ b/sound/soc/codecs/tlv320aic32x4-clk.c
@ -204,18 +204,19 @@ static unsigned long clk_aic32x4_pll_recalc_rate(struct clk_hw *hw,
 	return clk_aic32x4_pll_calc_rate(&settings, parent_rate);
 }

-static long clk_aic32x4_pll_round_rate(struct clk_hw *hw,
-			unsigned long rate,
-			unsigned long *parent_rate)
+static int clk_aic32x4_pll_determine_rate(struct clk_hw *hw,
+					  struct clk_rate_request *req)
 {
 	struct clk_aic32x4_pll_muldiv settings;
 	int ret;

-	ret = clk_aic32x4_pll_calc_muldiv(&settings, rate, *parent_rate);
+	ret = clk_aic32x4_pll_calc_muldiv(&settings, req->rate, req->best_parent_rate);
 	if (ret < 0)
-		return 0;
+		return -EINVAL;

-	return clk_aic32x4_pll_calc_rate(&settings, *parent_rate);
+	req->rate = clk_aic32x4_pll_calc_rate(&settings, req->best_parent_rate);
+
+	return 0;
 }

 static int clk_aic32x4_pll_set_rate(struct clk_hw *hw,
@ -266,7 +267,7 @@ static const struct clk_ops aic32x4_pll_ops = {
 	.unprepare = clk_aic32x4_pll_unprepare,
 	.is_prepared = clk_aic32x4_pll_is_prepared,
 	.recalc_rate = clk_aic32x4_pll_recalc_rate,
-	.round_rate = clk_aic32x4_pll_round_rate,
+	.determine_rate = clk_aic32x4_pll_determine_rate,
 	.set_rate = clk_aic32x4_pll_set_rate,
 	.set_parent = clk_aic32x4_pll_set_parent,
 	.get_parent = clk_aic32x4_pll_get_parent,
@ -292,6 +293,7 @@ static u8 clk_aic32x4_codec_clkin_get_parent(struct clk_hw *hw)
 }

 static const struct clk_ops aic32x4_codec_clkin_ops = {
+	.determine_rate = clk_hw_determine_rate_no_reparent,
 	.set_parent = clk_aic32x4_codec_clkin_set_parent,
 	.get_parent = clk_aic32x4_codec_clkin_get_parent,
 };
@ -326,16 +328,17 @@ static int clk_aic32x4_div_set_rate(struct clk_hw *hw, unsigned long rate,
 				AIC32X4_DIV_MASK, divisor);
 }

-static long clk_aic32x4_div_round_rate(struct clk_hw *hw, unsigned long rate,
-				unsigned long *parent_rate)
+static int clk_aic32x4_div_determine_rate(struct clk_hw *hw,
+					  struct clk_rate_request *req)
 {
 	unsigned long divisor;

-	divisor = DIV_ROUND_UP(*parent_rate, rate);
+	divisor = DIV_ROUND_UP(req->best_parent_rate, req->rate);
 	if (divisor > 128)
 		return -EINVAL;

-	return DIV_ROUND_UP(*parent_rate, divisor);
+	req->rate = DIV_ROUND_UP(req->best_parent_rate, divisor);
+	return 0;
 }

 static unsigned long clk_aic32x4_div_recalc_rate(struct clk_hw *hw,
@ -354,7 +357,7 @@ static const struct clk_ops aic32x4_div_ops = {
 	.prepare = clk_aic32x4_div_prepare,
 	.unprepare = clk_aic32x4_div_unprepare,
 	.set_rate = clk_aic32x4_div_set_rate,
-	.round_rate = clk_aic32x4_div_round_rate,
+	.determine_rate = clk_aic32x4_div_determine_rate,
 	.recalc_rate = clk_aic32x4_div_recalc_rate,
 };

@ -382,7 +385,7 @@ static const struct clk_ops aic32x4_bdiv_ops = {
 	.set_parent = clk_aic32x4_bdiv_set_parent,
 	.get_parent = clk_aic32x4_bdiv_get_parent,
 	.set_rate = clk_aic32x4_div_set_rate,
-	.round_rate = clk_aic32x4_div_round_rate,
+	.determine_rate = clk_aic32x4_div_determine_rate,
 	.recalc_rate = clk_aic32x4_div_recalc_rate,
 };