mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-27 06:04:23 +08:00
clk: renesas: cpg-mssr: Add support for R-Car V4M
Initial CPG support for the R-Car V4M (R8A779H0). Signed-off-by: Cong Dang <cong.dang.xn@renesas.com> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> Link: https://lore.kernel.org/r/c678ef7164e3777fa91572f72e47ef385cea64b8.1706194617.git.geert+renesas@glider.be
This commit is contained in:
Cong Dang
Geert Uytterhoeven
parent
ad3393fefd
commit
f077cab34d
@ -33,6 +33,7 @@ config CLK_RENESAS
|
||||
select CLK_R8A779A0 if ARCH_R8A779A0
|
||||
select CLK_R8A779F0 if ARCH_R8A779F0
|
||||
select CLK_R8A779G0 if ARCH_R8A779G0
|
||||
select CLK_R8A779H0 if ARCH_R8A779H0
|
||||
select CLK_R9A06G032 if ARCH_R9A06G032
|
||||
select CLK_R9A07G043 if ARCH_R9A07G043
|
||||
select CLK_R9A07G044 if ARCH_R9A07G044
|
||||
@ -165,6 +166,10 @@ config CLK_R8A779G0
|
||||
bool "R-Car V4H clock support" if COMPILE_TEST
|
||||
select CLK_RCAR_GEN4_CPG
|
||||
|
||||
config CLK_R8A779H0
|
||||
bool "R-Car V4M clock support" if COMPILE_TEST
|
||||
select CLK_RCAR_GEN4_CPG
|
||||
|
||||
config CLK_R9A06G032
|
||||
bool "RZ/N1D clock support" if COMPILE_TEST
|
||||
|
||||
|
||||
@ -30,6 +30,7 @@ obj-$(CONFIG_CLK_R8A77995) += r8a77995-cpg-mssr.o
|
||||
obj-$(CONFIG_CLK_R8A779A0) += r8a779a0-cpg-mssr.o
|
||||
obj-$(CONFIG_CLK_R8A779F0) += r8a779f0-cpg-mssr.o
|
||||
obj-$(CONFIG_CLK_R8A779G0) += r8a779g0-cpg-mssr.o
|
||||
obj-$(CONFIG_CLK_R8A779H0) += r8a779h0-cpg-mssr.o
|
||||
obj-$(CONFIG_CLK_R9A06G032) += r9a06g032-clocks.o
|
||||
obj-$(CONFIG_CLK_R9A07G043) += r9a07g043-cpg.o
|
||||
obj-$(CONFIG_CLK_R9A07G044) += r9a07g044-cpg.o
|
||||
|
||||
241
drivers/clk/renesas/r8a779h0-cpg-mssr.c
Normal file
241
drivers/clk/renesas/r8a779h0-cpg-mssr.c
Normal file
@ -0,0 +1,241 @@
|
||||
// SPDX-License-Identifier: GPL-2.0
|
||||
/*
|
||||
* r8a779h0 Clock Pulse Generator / Module Standby and Software Reset
|
||||
*
|
||||
* Copyright (C) 2023 Renesas Electronics Corp.
|
||||
*
|
||||
* Based on r8a779g0-cpg-mssr.c
|
||||
*/
|
||||
|
||||
#include <linux/bitfield.h>
|
||||
#include <linux/clk.h>
|
||||
#include <linux/clk-provider.h>
|
||||
#include <linux/device.h>
|
||||
#include <linux/err.h>
|
||||
#include <linux/kernel.h>
|
||||
#include <linux/soc/renesas/rcar-rst.h>
|
||||
|
||||
#include <dt-bindings/clock/renesas,r8a779h0-cpg-mssr.h>
|
||||
|
||||
#include "renesas-cpg-mssr.h"
|
||||
#include "rcar-gen4-cpg.h"
|
||||
|
||||
enum clk_ids {
|
||||
/* Core Clock Outputs exported to DT */
|
||||
LAST_DT_CORE_CLK = R8A779H0_CLK_R,
|
||||
|
||||
/* External Input Clocks */
|
||||
CLK_EXTAL,
|
||||
CLK_EXTALR,
|
||||
|
||||
/* Internal Core Clocks */
|
||||
CLK_MAIN,
|
||||
CLK_PLL1,
|
||||
CLK_PLL2,
|
||||
CLK_PLL3,
|
||||
CLK_PLL4,
|
||||
CLK_PLL5,
|
||||
CLK_PLL6,
|
||||
CLK_PLL1_DIV2,
|
||||
CLK_PLL2_DIV2,
|
||||
CLK_PLL3_DIV2,
|
||||
CLK_PLL4_DIV2,
|
||||
CLK_PLL4_DIV5,
|
||||
CLK_PLL5_DIV2,
|
||||
CLK_PLL5_DIV4,
|
||||
CLK_PLL6_DIV2,
|
||||
CLK_S0,
|
||||
CLK_S0_VIO,
|
||||
CLK_S0_VC,
|
||||
CLK_S0_HSC,
|
||||
CLK_SASYNCPER,
|
||||
CLK_SV_VIP,
|
||||
CLK_SV_IR,
|
||||
CLK_IMPASRC,
|
||||
CLK_IMPBSRC,
|
||||
CLK_VIOSRC,
|
||||
CLK_VCSRC,
|
||||
CLK_SDSRC,
|
||||
CLK_RPCSRC,
|
||||
CLK_OCO,
|
||||
|
||||
/* Module Clocks */
|
||||
MOD_CLK_BASE
|
||||
};
|
||||
|
||||
static const struct cpg_core_clk r8a779h0_core_clks[] = {
|
||||
/* External Clock Inputs */
|
||||
DEF_INPUT("extal", CLK_EXTAL),
|
||||
DEF_INPUT("extalr", CLK_EXTALR),
|
||||
|
||||
/* Internal Core Clocks */
|
||||
DEF_BASE(".main", CLK_MAIN, CLK_TYPE_GEN4_MAIN, CLK_EXTAL),
|
||||
DEF_BASE(".pll1", CLK_PLL1, CLK_TYPE_GEN4_PLL1, CLK_MAIN),
|
||||
DEF_BASE(".pll2", CLK_PLL2, CLK_TYPE_GEN4_PLL2, CLK_MAIN),
|
||||
DEF_BASE(".pll3", CLK_PLL3, CLK_TYPE_GEN4_PLL3, CLK_MAIN),
|
||||
DEF_BASE(".pll4", CLK_PLL4, CLK_TYPE_GEN4_PLL4, CLK_MAIN),
|
||||
DEF_BASE(".pll5", CLK_PLL5, CLK_TYPE_GEN4_PLL5, CLK_MAIN),
|
||||
DEF_BASE(".pll6", CLK_PLL6, CLK_TYPE_GEN4_PLL6, CLK_MAIN),
|
||||
|
||||
DEF_FIXED(".pll1_div2", CLK_PLL1_DIV2, CLK_PLL1, 2, 1),
|
||||
DEF_FIXED(".pll2_div2", CLK_PLL2_DIV2, CLK_PLL2, 2, 1),
|
||||
DEF_FIXED(".pll3_div2", CLK_PLL3_DIV2, CLK_PLL3, 2, 1),
|
||||
DEF_FIXED(".pll4_div2", CLK_PLL4_DIV2, CLK_PLL4, 2, 1),
|
||||
DEF_FIXED(".pll4_div5", CLK_PLL4_DIV5, CLK_PLL4, 5, 1),
|
||||
DEF_FIXED(".pll5_div2", CLK_PLL5_DIV2, CLK_PLL5, 2, 1),
|
||||
DEF_FIXED(".pll5_div4", CLK_PLL5_DIV4, CLK_PLL5_DIV2, 2, 1),
|
||||
DEF_FIXED(".pll6_div2", CLK_PLL6_DIV2, CLK_PLL6, 2, 1),
|
||||
DEF_FIXED(".s0", CLK_S0, CLK_PLL1_DIV2, 2, 1),
|
||||
DEF_FIXED(".s0_vio", CLK_S0_VIO, CLK_PLL1_DIV2, 2, 1),
|
||||
DEF_FIXED(".s0_vc", CLK_S0_VC, CLK_PLL1_DIV2, 2, 1),
|
||||
DEF_FIXED(".s0_hsc", CLK_S0_HSC, CLK_PLL1_DIV2, 2, 1),
|
||||
DEF_FIXED(".sasyncper", CLK_SASYNCPER, CLK_PLL5_DIV4, 3, 1),
|
||||
DEF_FIXED(".sv_vip", CLK_SV_VIP, CLK_PLL1, 5, 1),
|
||||
DEF_FIXED(".sv_ir", CLK_SV_IR, CLK_PLL1, 5, 1),
|
||||
DEF_FIXED(".impasrc", CLK_IMPASRC, CLK_PLL1_DIV2, 2, 1),
|
||||
DEF_FIXED(".impbsrc", CLK_IMPBSRC, CLK_PLL1, 4, 1),
|
||||
DEF_FIXED(".viosrc", CLK_VIOSRC, CLK_PLL1, 6, 1),
|
||||
DEF_FIXED(".vcsrc", CLK_VCSRC, CLK_PLL1, 6, 1),
|
||||
DEF_BASE(".sdsrc", CLK_SDSRC, CLK_TYPE_GEN4_SDSRC, CLK_PLL5),
|
||||
DEF_BASE(".rpcsrc", CLK_RPCSRC, CLK_TYPE_GEN4_RPCSRC, CLK_PLL5),
|
||||
DEF_RATE(".oco", CLK_OCO, 32768),
|
||||
|
||||
/* Core Clock Outputs */
|
||||
DEF_GEN4_Z("zc0", R8A779H0_CLK_ZC0, CLK_TYPE_GEN4_Z, CLK_PLL2_DIV2, 2, 0),
|
||||
DEF_GEN4_Z("zc1", R8A779H0_CLK_ZC1, CLK_TYPE_GEN4_Z, CLK_PLL2_DIV2, 2, 8),
|
||||
DEF_GEN4_Z("zc2", R8A779H0_CLK_ZC2, CLK_TYPE_GEN4_Z, CLK_PLL2_DIV2, 2, 32),
|
||||
DEF_GEN4_Z("zc3", R8A779H0_CLK_ZC3, CLK_TYPE_GEN4_Z, CLK_PLL2_DIV2, 2, 40),
|
||||
DEF_FIXED("s0d2", R8A779H0_CLK_S0D2, CLK_S0, 2, 1),
|
||||
DEF_FIXED("s0d3", R8A779H0_CLK_S0D3, CLK_S0, 3, 1),
|
||||
DEF_FIXED("s0d4", R8A779H0_CLK_S0D4, CLK_S0, 4, 1),
|
||||
DEF_FIXED("cl16m", R8A779H0_CLK_CL16M, CLK_S0, 48, 1),
|
||||
DEF_FIXED("s0d2_rt", R8A779H0_CLK_S0D2_RT, CLK_S0, 2, 1),
|
||||
DEF_FIXED("s0d3_rt", R8A779H0_CLK_S0D3_RT, CLK_S0, 3, 1),
|
||||
DEF_FIXED("s0d4_rt", R8A779H0_CLK_S0D4_RT, CLK_S0, 4, 1),
|
||||
DEF_FIXED("s0d6_rt", R8A779H0_CLK_S0D6_RT, CLK_S0, 6, 1),
|
||||
DEF_FIXED("cl16m_rt", R8A779H0_CLK_CL16M_RT, CLK_S0, 48, 1),
|
||||
DEF_FIXED("s0d2_per", R8A779H0_CLK_S0D2_PER, CLK_S0, 2, 1),
|
||||
DEF_FIXED("s0d3_per", R8A779H0_CLK_S0D3_PER, CLK_S0, 3, 1),
|
||||
DEF_FIXED("s0d4_per", R8A779H0_CLK_S0D4_PER, CLK_S0, 4, 1),
|
||||
DEF_FIXED("s0d6_per", R8A779H0_CLK_S0D6_PER, CLK_S0, 6, 1),
|
||||
DEF_FIXED("s0d12_per", R8A779H0_CLK_S0D12_PER, CLK_S0, 12, 1),
|
||||
DEF_FIXED("s0d24_per", R8A779H0_CLK_S0D24_PER, CLK_S0, 24, 1),
|
||||
DEF_FIXED("cl16m_per", R8A779H0_CLK_CL16M_PER, CLK_S0, 48, 1),
|
||||
DEF_FIXED("s0d2_mm", R8A779H0_CLK_S0D2_MM, CLK_S0, 2, 1),
|
||||
DEF_FIXED("s0d4_mm", R8A779H0_CLK_S0D4_MM, CLK_S0, 4, 1),
|
||||
DEF_FIXED("cl16m_mm", R8A779H0_CLK_CL16M_MM, CLK_S0, 48, 1),
|
||||
DEF_FIXED("s0d2_u3dg", R8A779H0_CLK_S0D2_U3DG, CLK_S0, 2, 1),
|
||||
DEF_FIXED("s0d4_u3dg", R8A779H0_CLK_S0D4_U3DG, CLK_S0, 4, 1),
|
||||
DEF_FIXED("s0d1_vio", R8A779H0_CLK_S0D1_VIO, CLK_S0_VIO, 1, 1),
|
||||
DEF_FIXED("s0d2_vio", R8A779H0_CLK_S0D2_VIO, CLK_S0_VIO, 2, 1),
|
||||
DEF_FIXED("s0d4_vio", R8A779H0_CLK_S0D4_VIO, CLK_S0_VIO, 4, 1),
|
||||
DEF_FIXED("s0d8_vio", R8A779H0_CLK_S0D8_VIO, CLK_S0_VIO, 8, 1),
|
||||
DEF_FIXED("s0d1_vc", R8A779H0_CLK_S0D1_VC, CLK_S0_VC, 1, 1),
|
||||
DEF_FIXED("s0d2_vc", R8A779H0_CLK_S0D2_VC, CLK_S0_VC, 2, 1),
|
||||
DEF_FIXED("s0d4_vc", R8A779H0_CLK_S0D4_VC, CLK_S0_VC, 4, 1),
|
||||
DEF_FIXED("s0d1_hsc", R8A779H0_CLK_S0D1_HSC, CLK_S0_HSC, 1, 1),
|
||||
DEF_FIXED("s0d2_hsc", R8A779H0_CLK_S0D2_HSC, CLK_S0_HSC, 2, 1),
|
||||
DEF_FIXED("s0d4_hsc", R8A779H0_CLK_S0D4_HSC, CLK_S0_HSC, 4, 1),
|
||||
DEF_FIXED("s0d8_hsc", R8A779H0_CLK_S0D8_HSC, CLK_S0_HSC, 8, 1),
|
||||
DEF_FIXED("cl16m_hsc", R8A779H0_CLK_CL16M_HSC, CLK_S0_HSC, 48, 1),
|
||||
DEF_FIXED("sasyncrt", R8A779H0_CLK_SASYNCRT, CLK_PLL5_DIV4, 48, 1),
|
||||
DEF_FIXED("sasyncperd1", R8A779H0_CLK_SASYNCPERD1, CLK_SASYNCPER, 1, 1),
|
||||
DEF_FIXED("sasyncperd2", R8A779H0_CLK_SASYNCPERD2, CLK_SASYNCPER, 2, 1),
|
||||
DEF_FIXED("sasyncperd4", R8A779H0_CLK_SASYNCPERD4, CLK_SASYNCPER, 4, 1),
|
||||
DEF_FIXED("svd1_vip", R8A779H0_CLK_SVD1_VIP, CLK_SV_VIP, 1, 1),
|
||||
DEF_FIXED("svd2_vip", R8A779H0_CLK_SVD2_VIP, CLK_SV_VIP, 2, 1),
|
||||
DEF_FIXED("svd1_ir", R8A779H0_CLK_SVD1_IR, CLK_SV_IR, 1, 1),
|
||||
DEF_FIXED("svd2_ir", R8A779H0_CLK_SVD2_IR, CLK_SV_IR, 2, 1),
|
||||
DEF_FIXED("cbfusa", R8A779H0_CLK_CBFUSA, CLK_EXTAL, 2, 1),
|
||||
DEF_FIXED("cpex", R8A779H0_CLK_CPEX, CLK_EXTAL, 2, 1),
|
||||
DEF_FIXED("cp", R8A779H0_CLK_CP, CLK_EXTAL, 2, 1),
|
||||
DEF_FIXED("impad1", R8A779H0_CLK_IMPAD1, CLK_IMPASRC, 1, 1),
|
||||
DEF_FIXED("impad4", R8A779H0_CLK_IMPAD4, CLK_IMPASRC, 4, 1),
|
||||
DEF_FIXED("impb", R8A779H0_CLK_IMPB, CLK_IMPBSRC, 1, 1),
|
||||
DEF_FIXED("viobusd1", R8A779H0_CLK_VIOBUSD1, CLK_VIOSRC, 1, 1),
|
||||
DEF_FIXED("viobusd2", R8A779H0_CLK_VIOBUSD2, CLK_VIOSRC, 2, 1),
|
||||
DEF_FIXED("vcbusd1", R8A779H0_CLK_VCBUSD1, CLK_VCSRC, 1, 1),
|
||||
DEF_FIXED("vcbusd2", R8A779H0_CLK_VCBUSD2, CLK_VCSRC, 2, 1),
|
||||
DEF_DIV6P1("canfd", R8A779H0_CLK_CANFD, CLK_PLL5_DIV4, 0x878),
|
||||
DEF_DIV6P1("csi", R8A779H0_CLK_CSI, CLK_PLL5_DIV4, 0x880),
|
||||
DEF_FIXED("dsiref", R8A779H0_CLK_DSIREF, CLK_PLL5_DIV4, 48, 1),
|
||||
DEF_DIV6P1("dsiext", R8A779H0_CLK_DSIEXT, CLK_PLL5_DIV4, 0x884),
|
||||
DEF_DIV6P1("mso", R8A779H0_CLK_MSO, CLK_PLL5_DIV4, 0x87c),
|
||||
|
||||
DEF_GEN4_SDH("sd0h", R8A779H0_CLK_SD0H, CLK_SDSRC, 0x870),
|
||||
DEF_GEN4_SD("sd0", R8A779H0_CLK_SD0, R8A779H0_CLK_SD0H, 0x870),
|
||||
|
||||
DEF_BASE("rpc", R8A779H0_CLK_RPC, CLK_TYPE_GEN4_RPC, CLK_RPCSRC),
|
||||
DEF_BASE("rpcd2", R8A779H0_CLK_RPCD2, CLK_TYPE_GEN4_RPCD2, R8A779H0_CLK_RPC),
|
||||
|
||||
DEF_GEN4_OSC("osc", R8A779H0_CLK_OSC, CLK_EXTAL, 8),
|
||||
DEF_GEN4_MDSEL("r", R8A779H0_CLK_R, 29, CLK_EXTALR, 1, CLK_OCO, 1),
|
||||
};
|
||||
|
||||
static const struct mssr_mod_clk r8a779h0_mod_clks[] = {
|
||||
DEF_MOD("hscif0", 514, R8A779H0_CLK_SASYNCPERD1),
|
||||
DEF_MOD("hscif1", 515, R8A779H0_CLK_SASYNCPERD1),
|
||||
DEF_MOD("hscif2", 516, R8A779H0_CLK_SASYNCPERD1),
|
||||
DEF_MOD("hscif3", 517, R8A779H0_CLK_SASYNCPERD1),
|
||||
};
|
||||
|
||||
/*
|
||||
* CPG Clock Data
|
||||
*/
|
||||
/*
|
||||
* MD EXTAL PLL1 PLL2 PLL3 PLL4 PLL5 PLL6 OSC
|
||||
* 14 13 (MHz)
|
||||
* ------------------------------------------------------------------------
|
||||
* 0 0 16.66 / 1 x192 x204 x192 x144 x192 x168 /16
|
||||
* 0 1 20 / 1 x160 x170 x160 x120 x160 x140 /19
|
||||
* 1 0 Prohibited setting
|
||||
* 1 1 33.33 / 2 x192 x204 x192 x144 x192 x168 /32
|
||||
*/
|
||||
#define CPG_PLL_CONFIG_INDEX(md) ((((md) & BIT(14)) >> 13) | \
|
||||
(((md) & BIT(13)) >> 13))
|
||||
|
||||
static const struct rcar_gen4_cpg_pll_config cpg_pll_configs[4] = {
|
||||
/* EXTAL div PLL1 mult/div PLL2 mult/div PLL3 mult/div PLL4 mult/div PLL5 mult/div PLL6 mult/div OSC prediv */
|
||||
{ 1, 192, 1, 240, 1, 192, 1, 240, 1, 192, 1, 168, 1, 16, },
|
||||
{ 1, 160, 1, 200, 1, 160, 1, 200, 1, 160, 1, 140, 1, 19, },
|
||||
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, },
|
||||
{ 2, 192, 1, 240, 1, 192, 1, 240, 1, 192, 1, 168, 1, 32, },
|
||||
};
|
||||
|
||||
static int __init r8a779h0_cpg_mssr_init(struct device *dev)
|
||||
{
|
||||
const struct rcar_gen4_cpg_pll_config *cpg_pll_config;
|
||||
u32 cpg_mode;
|
||||
int error;
|
||||
|
||||
error = rcar_rst_read_mode_pins(&cpg_mode);
|
||||
if (error)
|
||||
return error;
|
||||
|
||||
cpg_pll_config = &cpg_pll_configs[CPG_PLL_CONFIG_INDEX(cpg_mode)];
|
||||
if (!cpg_pll_config->extal_div) {
|
||||
dev_err(dev, "Prohibited setting (cpg_mode=0x%x)\n", cpg_mode);
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
return rcar_gen4_cpg_init(cpg_pll_config, CLK_EXTALR, cpg_mode);
|
||||
}
|
||||
|
||||
const struct cpg_mssr_info r8a779h0_cpg_mssr_info __initconst = {
|
||||
/* Core Clocks */
|
||||
.core_clks = r8a779h0_core_clks,
|
||||
.num_core_clks = ARRAY_SIZE(r8a779h0_core_clks),
|
||||
.last_dt_core_clk = LAST_DT_CORE_CLK,
|
||||
.num_total_core_clks = MOD_CLK_BASE,
|
||||
|
||||
/* Module Clocks */
|
||||
.mod_clks = r8a779h0_mod_clks,
|
||||
.num_mod_clks = ARRAY_SIZE(r8a779h0_mod_clks),
|
||||
.num_hw_mod_clks = 30 * 32,
|
||||
|
||||
/* Callbacks */
|
||||
.init = r8a779h0_cpg_mssr_init,
|
||||
.cpg_clk_register = rcar_gen4_cpg_clk_register,
|
||||
|
||||
.reg_layout = CLK_REG_LAYOUT_RCAR_GEN4,
|
||||
};
|
||||
@ -871,6 +871,12 @@ static const struct of_device_id cpg_mssr_match[] = {
|
||||
.compatible = "renesas,r8a779g0-cpg-mssr",
|
||||
.data = &r8a779g0_cpg_mssr_info,
|
||||
},
|
||||
#endif
|
||||
#ifdef CONFIG_CLK_R8A779H0
|
||||
{
|
||||
.compatible = "renesas,r8a779h0-cpg-mssr",
|
||||
.data = &r8a779h0_cpg_mssr_info,
|
||||
},
|
||||
#endif
|
||||
{ /* sentinel */ }
|
||||
};
|
||||
|
||||
@ -180,6 +180,7 @@ extern const struct cpg_mssr_info r8a77995_cpg_mssr_info;
|
||||
extern const struct cpg_mssr_info r8a779a0_cpg_mssr_info;
|
||||
extern const struct cpg_mssr_info r8a779f0_cpg_mssr_info;
|
||||
extern const struct cpg_mssr_info r8a779g0_cpg_mssr_info;
|
||||
extern const struct cpg_mssr_info r8a779h0_cpg_mssr_info;
|
||||
|
||||
void __init cpg_mssr_early_init(struct device_node *np,
|
||||
const struct cpg_mssr_info *info);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user