mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-24 13:13:57 +08:00
clk: bcm: Add clocks for Stingray SOC
This patch adds support for Stingray clocks in iproc ccf. The Stingray SOC has various plls based on iproc pll architecture. Signed-off-by: Sandeep Tripathy <sandeep.tripathy@broadcom.com> Signed-off-by: Anup Patel <anup.patel@broadcom.com> Reviewed-by: Ray Jui <ray.jui@broadcom.com> Reviewed-by: Scott Branden <scott.branden@broadcom.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
This commit is contained in:
Sandeep Tripathy
Stephen Boyd
parent
25146e1e8f
commit
654cdd3229
@ -46,3 +46,11 @@ config CLK_BCM_NS2
|
||||
default ARCH_BCM_IPROC
|
||||
help
|
||||
Enable common clock framework support for the Broadcom Northstar 2 SoC
|
||||
|
||||
config CLK_BCM_SR
|
||||
bool "Broadcom Stingray clock support"
|
||||
depends on ARCH_BCM_IPROC || COMPILE_TEST
|
||||
select COMMON_CLK_IPROC
|
||||
default ARCH_BCM_IPROC
|
||||
help
|
||||
Enable common clock framework support for the Broadcom Stingray SoC
|
||||
|
||||
@ -10,3 +10,4 @@ obj-$(CONFIG_ARCH_BCM_53573) += clk-bcm53573-ilp.o
|
||||
obj-$(CONFIG_CLK_BCM_CYGNUS) += clk-cygnus.o
|
||||
obj-$(CONFIG_CLK_BCM_NSP) += clk-nsp.o
|
||||
obj-$(CONFIG_CLK_BCM_NS2) += clk-ns2.o
|
||||
obj-$(CONFIG_CLK_BCM_SR) += clk-sr.o
|
||||
|
||||
327
drivers/clk/bcm/clk-sr.c
Normal file
327
drivers/clk/bcm/clk-sr.c
Normal file
@ -0,0 +1,327 @@
|
||||
/*
|
||||
* Copyright 2017 Broadcom
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License, version 2, as
|
||||
* published by the Free Software Foundation (the "GPL").
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful, but
|
||||
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* General Public License version 2 (GPLv2) for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* version 2 (GPLv2) along with this source code.
|
||||
*/
|
||||
|
||||
#include <linux/err.h>
|
||||
#include <linux/clk-provider.h>
|
||||
#include <linux/of_device.h>
|
||||
#include <linux/platform_device.h>
|
||||
|
||||
#include <dt-bindings/clock/bcm-sr.h>
|
||||
#include "clk-iproc.h"
|
||||
|
||||
#define REG_VAL(o, s, w) { .offset = o, .shift = s, .width = w, }
|
||||
|
||||
#define AON_VAL(o, pw, ps, is) { .offset = o, .pwr_width = pw, \
|
||||
.pwr_shift = ps, .iso_shift = is }
|
||||
|
||||
#define SW_CTRL_VAL(o, s) { .offset = o, .shift = s, }
|
||||
|
||||
#define RESET_VAL(o, rs, prs) { .offset = o, .reset_shift = rs, \
|
||||
.p_reset_shift = prs }
|
||||
|
||||
#define DF_VAL(o, kis, kiw, kps, kpw, kas, kaw) { .offset = o, \
|
||||
.ki_shift = kis, .ki_width = kiw, .kp_shift = kps, .kp_width = kpw, \
|
||||
.ka_shift = kas, .ka_width = kaw }
|
||||
|
||||
#define VCO_CTRL_VAL(uo, lo) { .u_offset = uo, .l_offset = lo }
|
||||
|
||||
#define ENABLE_VAL(o, es, hs, bs) { .offset = o, .enable_shift = es, \
|
||||
.hold_shift = hs, .bypass_shift = bs }
|
||||
|
||||
|
||||
static const struct iproc_pll_ctrl sr_genpll0 = {
|
||||
.flags = IPROC_CLK_AON | IPROC_CLK_PLL_HAS_NDIV_FRAC |
|
||||
IPROC_CLK_PLL_NEEDS_SW_CFG,
|
||||
.aon = AON_VAL(0x0, 5, 1, 0),
|
||||
.reset = RESET_VAL(0x0, 12, 11),
|
||||
.dig_filter = DF_VAL(0x0, 4, 3, 0, 4, 7, 3),
|
||||
.sw_ctrl = SW_CTRL_VAL(0x10, 31),
|
||||
.ndiv_int = REG_VAL(0x10, 20, 10),
|
||||
.ndiv_frac = REG_VAL(0x10, 0, 20),
|
||||
.pdiv = REG_VAL(0x14, 0, 4),
|
||||
.status = REG_VAL(0x30, 12, 1),
|
||||
};
|
||||
|
||||
static const struct iproc_clk_ctrl sr_genpll0_clk[] = {
|
||||
[BCM_SR_GENPLL0_SATA_CLK] = {
|
||||
.channel = BCM_SR_GENPLL0_SATA_CLK,
|
||||
.flags = IPROC_CLK_AON,
|
||||
.enable = ENABLE_VAL(0x4, 6, 0, 12),
|
||||
.mdiv = REG_VAL(0x18, 0, 9),
|
||||
},
|
||||
[BCM_SR_GENPLL0_SCR_CLK] = {
|
||||
.channel = BCM_SR_GENPLL0_SCR_CLK,
|
||||
.flags = IPROC_CLK_AON,
|
||||
.enable = ENABLE_VAL(0x4, 7, 1, 13),
|
||||
.mdiv = REG_VAL(0x18, 10, 9),
|
||||
},
|
||||
[BCM_SR_GENPLL0_250M_CLK] = {
|
||||
.channel = BCM_SR_GENPLL0_250M_CLK,
|
||||
.flags = IPROC_CLK_AON,
|
||||
.enable = ENABLE_VAL(0x4, 8, 2, 14),
|
||||
.mdiv = REG_VAL(0x18, 20, 9),
|
||||
},
|
||||
[BCM_SR_GENPLL0_PCIE_AXI_CLK] = {
|
||||
.channel = BCM_SR_GENPLL0_PCIE_AXI_CLK,
|
||||
.flags = IPROC_CLK_AON,
|
||||
.enable = ENABLE_VAL(0x4, 9, 3, 15),
|
||||
.mdiv = REG_VAL(0x1c, 0, 9),
|
||||
},
|
||||
[BCM_SR_GENPLL0_PAXC_AXI_X2_CLK] = {
|
||||
.channel = BCM_SR_GENPLL0_PAXC_AXI_X2_CLK,
|
||||
.flags = IPROC_CLK_AON,
|
||||
.enable = ENABLE_VAL(0x4, 10, 4, 16),
|
||||
.mdiv = REG_VAL(0x1c, 10, 9),
|
||||
},
|
||||
[BCM_SR_GENPLL0_PAXC_AXI_CLK] = {
|
||||
.channel = BCM_SR_GENPLL0_PAXC_AXI_CLK,
|
||||
.flags = IPROC_CLK_AON,
|
||||
.enable = ENABLE_VAL(0x4, 11, 5, 17),
|
||||
.mdiv = REG_VAL(0x1c, 20, 9),
|
||||
},
|
||||
};
|
||||
|
||||
static int sr_genpll0_clk_init(struct platform_device *pdev)
|
||||
{
|
||||
iproc_pll_clk_setup(pdev->dev.of_node,
|
||||
&sr_genpll0, NULL, 0, sr_genpll0_clk,
|
||||
ARRAY_SIZE(sr_genpll0_clk));
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct iproc_pll_ctrl sr_genpll3 = {
|
||||
.flags = IPROC_CLK_AON | IPROC_CLK_PLL_HAS_NDIV_FRAC |
|
||||
IPROC_CLK_PLL_NEEDS_SW_CFG,
|
||||
.aon = AON_VAL(0x0, 1, 19, 18),
|
||||
.reset = RESET_VAL(0x0, 12, 11),
|
||||
.dig_filter = DF_VAL(0x0, 4, 3, 0, 4, 7, 3),
|
||||
.sw_ctrl = SW_CTRL_VAL(0x10, 31),
|
||||
.ndiv_int = REG_VAL(0x10, 20, 10),
|
||||
.ndiv_frac = REG_VAL(0x10, 0, 20),
|
||||
.pdiv = REG_VAL(0x14, 0, 4),
|
||||
.status = REG_VAL(0x30, 12, 1),
|
||||
};
|
||||
|
||||
static const struct iproc_clk_ctrl sr_genpll3_clk[] = {
|
||||
[BCM_SR_GENPLL3_HSLS_CLK] = {
|
||||
.channel = BCM_SR_GENPLL3_HSLS_CLK,
|
||||
.flags = IPROC_CLK_AON,
|
||||
.enable = ENABLE_VAL(0x4, 6, 0, 12),
|
||||
.mdiv = REG_VAL(0x18, 0, 9),
|
||||
},
|
||||
[BCM_SR_GENPLL3_SDIO_CLK] = {
|
||||
.channel = BCM_SR_GENPLL3_SDIO_CLK,
|
||||
.flags = IPROC_CLK_AON,
|
||||
.enable = ENABLE_VAL(0x4, 7, 1, 13),
|
||||
.mdiv = REG_VAL(0x18, 10, 9),
|
||||
},
|
||||
};
|
||||
|
||||
static void sr_genpll3_clk_init(struct device_node *node)
|
||||
{
|
||||
iproc_pll_clk_setup(node, &sr_genpll3, NULL, 0, sr_genpll3_clk,
|
||||
ARRAY_SIZE(sr_genpll3_clk));
|
||||
}
|
||||
CLK_OF_DECLARE(sr_genpll3_clk, "brcm,sr-genpll3", sr_genpll3_clk_init);
|
||||
|
||||
static const struct iproc_pll_ctrl sr_genpll4 = {
|
||||
.flags = IPROC_CLK_AON | IPROC_CLK_PLL_HAS_NDIV_FRAC |
|
||||
IPROC_CLK_PLL_NEEDS_SW_CFG,
|
||||
.aon = AON_VAL(0x0, 1, 25, 24),
|
||||
.reset = RESET_VAL(0x0, 12, 11),
|
||||
.dig_filter = DF_VAL(0x0, 4, 3, 0, 4, 7, 3),
|
||||
.sw_ctrl = SW_CTRL_VAL(0x10, 31),
|
||||
.ndiv_int = REG_VAL(0x10, 20, 10),
|
||||
.ndiv_frac = REG_VAL(0x10, 0, 20),
|
||||
.pdiv = REG_VAL(0x14, 0, 4),
|
||||
.status = REG_VAL(0x30, 12, 1),
|
||||
};
|
||||
|
||||
static const struct iproc_clk_ctrl sr_genpll4_clk[] = {
|
||||
[BCM_SR_GENPLL4_CCN_CLK] = {
|
||||
.channel = BCM_SR_GENPLL4_CCN_CLK,
|
||||
.flags = IPROC_CLK_AON,
|
||||
.enable = ENABLE_VAL(0x4, 6, 0, 12),
|
||||
.mdiv = REG_VAL(0x18, 0, 9),
|
||||
},
|
||||
};
|
||||
|
||||
static int sr_genpll4_clk_init(struct platform_device *pdev)
|
||||
{
|
||||
iproc_pll_clk_setup(pdev->dev.of_node,
|
||||
&sr_genpll4, NULL, 0, sr_genpll4_clk,
|
||||
ARRAY_SIZE(sr_genpll4_clk));
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct iproc_pll_ctrl sr_genpll5 = {
|
||||
.flags = IPROC_CLK_AON | IPROC_CLK_PLL_HAS_NDIV_FRAC |
|
||||
IPROC_CLK_PLL_NEEDS_SW_CFG,
|
||||
.aon = AON_VAL(0x0, 1, 1, 0),
|
||||
.reset = RESET_VAL(0x0, 12, 11),
|
||||
.dig_filter = DF_VAL(0x0, 4, 3, 0, 4, 7, 3),
|
||||
.sw_ctrl = SW_CTRL_VAL(0x10, 31),
|
||||
.ndiv_int = REG_VAL(0x10, 20, 10),
|
||||
.ndiv_frac = REG_VAL(0x10, 0, 20),
|
||||
.pdiv = REG_VAL(0x14, 0, 4),
|
||||
.status = REG_VAL(0x30, 12, 1),
|
||||
};
|
||||
|
||||
static const struct iproc_clk_ctrl sr_genpll5_clk[] = {
|
||||
[BCM_SR_GENPLL5_FS_CLK] = {
|
||||
.channel = BCM_SR_GENPLL5_FS_CLK,
|
||||
.flags = IPROC_CLK_AON,
|
||||
.enable = ENABLE_VAL(0x4, 6, 0, 12),
|
||||
.mdiv = REG_VAL(0x18, 0, 9),
|
||||
},
|
||||
[BCM_SR_GENPLL5_SPU_CLK] = {
|
||||
.channel = BCM_SR_GENPLL5_SPU_CLK,
|
||||
.flags = IPROC_CLK_AON,
|
||||
.enable = ENABLE_VAL(0x4, 6, 0, 12),
|
||||
.mdiv = REG_VAL(0x18, 10, 9),
|
||||
},
|
||||
};
|
||||
|
||||
static int sr_genpll5_clk_init(struct platform_device *pdev)
|
||||
{
|
||||
iproc_pll_clk_setup(pdev->dev.of_node,
|
||||
&sr_genpll5, NULL, 0, sr_genpll5_clk,
|
||||
ARRAY_SIZE(sr_genpll5_clk));
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct iproc_pll_ctrl sr_lcpll0 = {
|
||||
.flags = IPROC_CLK_AON | IPROC_CLK_PLL_NEEDS_SW_CFG,
|
||||
.aon = AON_VAL(0x0, 2, 19, 18),
|
||||
.reset = RESET_VAL(0x0, 31, 30),
|
||||
.sw_ctrl = SW_CTRL_VAL(0x4, 31),
|
||||
.ndiv_int = REG_VAL(0x4, 16, 10),
|
||||
.pdiv = REG_VAL(0x4, 26, 4),
|
||||
.status = REG_VAL(0x38, 12, 1),
|
||||
};
|
||||
|
||||
static const struct iproc_clk_ctrl sr_lcpll0_clk[] = {
|
||||
[BCM_SR_LCPLL0_SATA_REF_CLK] = {
|
||||
.channel = BCM_SR_LCPLL0_SATA_REF_CLK,
|
||||
.flags = IPROC_CLK_AON,
|
||||
.enable = ENABLE_VAL(0x0, 7, 1, 13),
|
||||
.mdiv = REG_VAL(0x14, 0, 9),
|
||||
},
|
||||
[BCM_SR_LCPLL0_USB_REF_CLK] = {
|
||||
.channel = BCM_SR_LCPLL0_USB_REF_CLK,
|
||||
.flags = IPROC_CLK_AON,
|
||||
.enable = ENABLE_VAL(0x0, 8, 2, 14),
|
||||
.mdiv = REG_VAL(0x14, 10, 9),
|
||||
},
|
||||
[BCM_SR_LCPLL0_SATA_REFPN_CLK] = {
|
||||
.channel = BCM_SR_LCPLL0_SATA_REFPN_CLK,
|
||||
.flags = IPROC_CLK_AON,
|
||||
.enable = ENABLE_VAL(0x0, 9, 3, 15),
|
||||
.mdiv = REG_VAL(0x14, 20, 9),
|
||||
},
|
||||
};
|
||||
|
||||
static int sr_lcpll0_clk_init(struct platform_device *pdev)
|
||||
{
|
||||
iproc_pll_clk_setup(pdev->dev.of_node,
|
||||
&sr_lcpll0, NULL, 0, sr_lcpll0_clk,
|
||||
ARRAY_SIZE(sr_lcpll0_clk));
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct iproc_pll_ctrl sr_lcpll1 = {
|
||||
.flags = IPROC_CLK_AON | IPROC_CLK_PLL_NEEDS_SW_CFG,
|
||||
.aon = AON_VAL(0x0, 2, 22, 21),
|
||||
.reset = RESET_VAL(0x0, 31, 30),
|
||||
.sw_ctrl = SW_CTRL_VAL(0x4, 31),
|
||||
.ndiv_int = REG_VAL(0x4, 16, 10),
|
||||
.pdiv = REG_VAL(0x4, 26, 4),
|
||||
.status = REG_VAL(0x38, 12, 1),
|
||||
};
|
||||
|
||||
static const struct iproc_clk_ctrl sr_lcpll1_clk[] = {
|
||||
[BCM_SR_LCPLL1_WAN_CLK] = {
|
||||
.channel = BCM_SR_LCPLL1_WAN_CLK,
|
||||
.flags = IPROC_CLK_AON,
|
||||
.enable = ENABLE_VAL(0x0, 7, 1, 13),
|
||||
.mdiv = REG_VAL(0x14, 0, 9),
|
||||
},
|
||||
};
|
||||
|
||||
static int sr_lcpll1_clk_init(struct platform_device *pdev)
|
||||
{
|
||||
iproc_pll_clk_setup(pdev->dev.of_node,
|
||||
&sr_lcpll1, NULL, 0, sr_lcpll1_clk,
|
||||
ARRAY_SIZE(sr_lcpll1_clk));
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct iproc_pll_ctrl sr_lcpll_pcie = {
|
||||
.flags = IPROC_CLK_AON | IPROC_CLK_PLL_NEEDS_SW_CFG,
|
||||
.aon = AON_VAL(0x0, 2, 25, 24),
|
||||
.reset = RESET_VAL(0x0, 31, 30),
|
||||
.sw_ctrl = SW_CTRL_VAL(0x4, 31),
|
||||
.ndiv_int = REG_VAL(0x4, 16, 10),
|
||||
.pdiv = REG_VAL(0x4, 26, 4),
|
||||
.status = REG_VAL(0x38, 12, 1),
|
||||
};
|
||||
|
||||
static const struct iproc_clk_ctrl sr_lcpll_pcie_clk[] = {
|
||||
[BCM_SR_LCPLL_PCIE_PHY_REF_CLK] = {
|
||||
.channel = BCM_SR_LCPLL_PCIE_PHY_REF_CLK,
|
||||
.flags = IPROC_CLK_AON,
|
||||
.enable = ENABLE_VAL(0x0, 7, 1, 13),
|
||||
.mdiv = REG_VAL(0x14, 0, 9),
|
||||
},
|
||||
};
|
||||
|
||||
static int sr_lcpll_pcie_clk_init(struct platform_device *pdev)
|
||||
{
|
||||
iproc_pll_clk_setup(pdev->dev.of_node,
|
||||
&sr_lcpll_pcie, NULL, 0, sr_lcpll_pcie_clk,
|
||||
ARRAY_SIZE(sr_lcpll_pcie_clk));
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct of_device_id sr_clk_dt_ids[] = {
|
||||
{ .compatible = "brcm,sr-genpll0", .data = sr_genpll0_clk_init },
|
||||
{ .compatible = "brcm,sr-genpll4", .data = sr_genpll4_clk_init },
|
||||
{ .compatible = "brcm,sr-genpll5", .data = sr_genpll5_clk_init },
|
||||
{ .compatible = "brcm,sr-lcpll0", .data = sr_lcpll0_clk_init },
|
||||
{ .compatible = "brcm,sr-lcpll1", .data = sr_lcpll1_clk_init },
|
||||
{ .compatible = "brcm,sr-lcpll-pcie", .data = sr_lcpll_pcie_clk_init },
|
||||
{ /* sentinel */ }
|
||||
};
|
||||
|
||||
static int sr_clk_probe(struct platform_device *pdev)
|
||||
{
|
||||
int (*probe_func)(struct platform_device *);
|
||||
|
||||
probe_func = of_device_get_match_data(&pdev->dev);
|
||||
if (!probe_func)
|
||||
return -ENODEV;
|
||||
|
||||
return probe_func(pdev);
|
||||
}
|
||||
|
||||
static struct platform_driver sr_clk_driver = {
|
||||
.driver = {
|
||||
.name = "sr-clk",
|
||||
.of_match_table = sr_clk_dt_ids,
|
||||
},
|
||||
.probe = sr_clk_probe,
|
||||
};
|
||||
builtin_platform_driver(sr_clk_driver);
|
||||
Loading…
Reference in New Issue
Block a user