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Continuation of improvements for Exynos PM drivers for v4.11:

Browse Source 
1. Add support for Exynos5433 to Power Management Unit (PMU) and Power
    Domains drivers.
 2. Cleanups of duplicated and unused defines.
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Merge tag 'samsung-drivers-soc-pmu-4.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into next/drivers

Continuation of improvements for Exynos PM drivers for v4.11:
1. Add support for Exynos5433 to Power Management Unit (PMU) and Power
   Domains drivers.
2. Cleanups of duplicated and unused defines.

* tag 'samsung-drivers-soc-pmu-4.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
  soc: samsung: pmu: Remove duplicated define for ARM_L2_OPTION register
  soc: samsung: pmu: Remove unused and duplicated defines
  soc: samsung: pm_domains: Add new Exynos5433 compatible
  soc: samsung: pmu: Add dummy support for Exynos5433 SoC

Signed-off-by: Olof Johansson <olof@lixom.net>
This commit is contained in:
Olof Johansson 2017-01-29 21:18:44 -08:00
commit 1096ffd75a
7 changed files with 26 additions and 75 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
Documentation/devicetree/bindings/power/pd-samsung.txt
View File

@ -6,6 +6,7 @@ to gate power to one or more peripherals on the processor.
Required Properties:
- compatible: should be one of the following.
* samsung,exynos4210-pd - for exynos4210 type power domain.
* samsung,exynos5433-pd - for exynos5433 type power domain.
- reg: physical base address of the controller and length of memory mapped
region.
- #power-domain-cells: number of cells in power domain specifier;

6
arch/arm/mach-exynos/suspend.c
View File

@ -388,9 +388,9 @@ static void exynos5420_pm_prepare(void)
if (IS_ENABLED(CONFIG_EXYNOS5420_MCPM))
pmu_raw_writel(virt_to_phys(mcpm_entry_point), S5P_INFORM0);
tmp = pmu_raw_readl(EXYNOS5_ARM_L2_OPTION);
tmp &= ~EXYNOS5_USE_RETENTION;
pmu_raw_writel(tmp, EXYNOS5_ARM_L2_OPTION);
tmp = pmu_raw_readl(EXYNOS_L2_OPTION(0));
tmp &= ~EXYNOS_L2_USE_RETENTION;
pmu_raw_writel(tmp, EXYNOS_L2_OPTION(0));
tmp = pmu_raw_readl(EXYNOS5420_SFR_AXI_CGDIS1);
tmp |= EXYNOS5420_UFS;

6
drivers/soc/samsung/exynos-pmu.c
View File

@ -44,7 +44,7 @@ void exynos_sys_powerdown_conf(enum sys_powerdown mode)
unsigned int i;
const struct exynos_pmu_data *pmu_data;
if (!pmu_context)
if (!pmu_context || !pmu_context->pmu_data)
return;
pmu_data = pmu_context->pmu_data;
@ -90,6 +90,8 @@ static const struct of_device_id exynos_pmu_of_device_ids[] = {
}, {
.compatible = "samsung,exynos5420-pmu",
.data = &exynos5420_pmu_data,
}, {
.compatible = "samsung,exynos5433-pmu",
},
{ /*sentinel*/ },
};
@ -122,7 +124,7 @@ static int exynos_pmu_probe(struct platform_device *pdev)
pmu_context->dev = dev;
pmu_context->pmu_data = of_device_get_match_data(dev);
if (pmu_context->pmu_data->pmu_init)
if (pmu_context->pmu_data && pmu_context->pmu_data->pmu_init)
pmu_context->pmu_data->pmu_init();
platform_set_drvdata(pdev, pmu_context);

2
drivers/soc/samsung/exynos5250-pmu.c
View File

@ -29,7 +29,7 @@ static const struct exynos_pmu_conf exynos5250_pmu_config[] = {
{ EXYNOS5_DIS_IRQ_ISP_ARM_CENTRAL_SYS_PWR_REG, { 0x0, 0x0, 0x0} },
{ EXYNOS5_ARM_COMMON_SYS_PWR_REG, { 0x0, 0x0, 0x2} },
{ EXYNOS5_ARM_L2_SYS_PWR_REG, { 0x3, 0x3, 0x3} },
{ EXYNOS5_ARM_L2_OPTION, { 0x10, 0x10, 0x0 } },
{ EXYNOS_L2_OPTION(0), { 0x10, 0x10, 0x0 } },
{ EXYNOS5_CMU_ACLKSTOP_SYS_PWR_REG, { 0x1, 0x0, 0x1} },
{ EXYNOS5_CMU_SCLKSTOP_SYS_PWR_REG, { 0x1, 0x0, 0x1} },
{ EXYNOS5_CMU_RESET_SYS_PWR_REG, { 0x1, 0x1, 0x0} },

4
drivers/soc/samsung/exynos5420-pmu.c
View File

@ -230,11 +230,11 @@ static void exynos5420_pmu_init(void)
pmu_raw_writel(EXYNOS5420_USE_STANDBY_WFI_ALL, S5P_CENTRAL_SEQ_OPTION);
value = pmu_raw_readl(EXYNOS_L2_OPTION(0));
value &= ~EXYNOS5_USE_RETENTION;
value &= ~EXYNOS_L2_USE_RETENTION;
pmu_raw_writel(value, EXYNOS_L2_OPTION(0));
value = pmu_raw_readl(EXYNOS_L2_OPTION(1));
value &= ~EXYNOS5_USE_RETENTION;
value &= ~EXYNOS_L2_USE_RETENTION;
pmu_raw_writel(value, EXYNOS_L2_OPTION(1));
/*

7
drivers/soc/samsung/pm_domains.c
View File

@ -128,10 +128,17 @@ static const struct exynos_pm_domain_config exynos4210_cfg __initconst = {
.local_pwr_cfg = 0x7,
};
static const struct exynos_pm_domain_config exynos5433_cfg __initconst = {
.local_pwr_cfg = 0xf,
};
static const struct of_device_id exynos_pm_domain_of_match[] __initconst = {
{
.compatible = "samsung,exynos4210-pd",
.data = &exynos4210_cfg,
}, {
.compatible = "samsung,exynos5433-pd",
.data = &exynos5433_cfg,
},
{ },
};

75
include/linux/soc/samsung/exynos-regs-pmu.h
View File

@ -7,7 +7,13 @@
* 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.
*/
*
*
* Notice:
* This is not a list of all Exynos Power Management Unit SFRs.
* There are too many of them, not mentioning subtle differences
* between SoCs. For now, put here only the used registers.
*/
#ifndef __LINUX_SOC_EXYNOS_REGS_PMU_H
#define __LINUX_SOC_EXYNOS_REGS_PMU_H __FILE__
@ -38,7 +44,6 @@
#define EXYNOS_CORE_PO_RESET(n) ((1 << 4) << n)
#define EXYNOS_WAKEUP_FROM_LOWPWR (1 << 28)
#define EXYNOS_SWRESET 0x0400
#define EXYNOS5440_SWRESET 0x00C4
#define S5P_WAKEUP_STAT 0x0600
#define S5P_EINT_WAKEUP_MASK 0x0604
@ -136,12 +141,6 @@
#define EXYNOS_COMMON_OPTION(_nr) \
(EXYNOS_COMMON_CONFIGURATION(_nr) + 0x8)
#define EXYNOS_CORE_LOCAL_PWR_EN 0x3
#define EXYNOS_ARM_COMMON_STATUS 0x2504
#define EXYNOS_COMMON_OPTION(_nr) \
(EXYNOS_COMMON_CONFIGURATION(_nr) + 0x8)
#define EXYNOS_ARM_L2_CONFIGURATION 0x2600
#define EXYNOS_L2_CONFIGURATION(_nr) \
(EXYNOS_ARM_L2_CONFIGURATION + ((_nr) * 0x80))
@ -149,17 +148,8 @@
(EXYNOS_L2_CONFIGURATION(_nr) + 0x4)
#define EXYNOS_L2_OPTION(_nr) \
(EXYNOS_L2_CONFIGURATION(_nr) + 0x8)
#define EXYNOS_L2_COMMON_PWR_EN 0x3
#define EXYNOS_ARM_CORE_X_STATUS_OFFSET 0x4
#define EXYNOS5_APLL_SYSCLK_CONFIGURATION 0x2A00
#define EXYNOS5_APLL_SYSCLK_STATUS 0x2A04
#define EXYNOS5_ARM_L2_OPTION 0x2608
#define EXYNOS5_USE_RETENTION BIT(4)
#define EXYNOS5_L2RSTDISABLE_VALUE BIT(3)
#define EXYNOS_L2_USE_RETENTION BIT(4)
#define S5P_PAD_RET_MAUDIO_OPTION 0x3028
#define S5P_PAD_RET_MMC2_OPTION 0x30c8
@ -411,7 +401,6 @@
#define EXYNOS5_SATA_MEM_SYS_PWR_REG 0x11FC
#define EXYNOS5_PAD_RETENTION_DRAM_SYS_PWR_REG 0x1200
#define EXYNOS5_PAD_RETENTION_MAU_SYS_PWR_REG 0x1204
#define EXYNOS5_PAD_RETENTION_EFNAND_SYS_PWR_REG 0x1208
#define EXYNOS5_PAD_RETENTION_GPIO_SYS_PWR_REG 0x1220
#define EXYNOS5_PAD_RETENTION_UART_SYS_PWR_REG 0x1224
#define EXYNOS5_PAD_RETENTION_MMCA_SYS_PWR_REG 0x1228
@ -485,7 +474,6 @@
#define EXYNOS5420_SWRESET_KFC_SEL 0x3
/* Only for EXYNOS5420 */
#define EXYNOS5420_ISP_ARM_OPTION 0x2488
#define EXYNOS5420_L2RSTDISABLE_VALUE BIT(3)
#define EXYNOS5420_LPI_MASK 0x0004
@ -494,9 +482,6 @@
#define EXYNOS5420_ATB_KFC BIT(13)
#define EXYNOS5420_ATB_ISP_ARM BIT(19)
#define EXYNOS5420_EMULATION BIT(31)
#define ATB_ISP_ARM BIT(12)
#define ATB_KFC BIT(13)
#define ATB_NOC BIT(14)
#define EXYNOS5420_ARM_INTR_SPREAD_ENABLE 0x0100
#define EXYNOS5420_ARM_INTR_SPREAD_USE_STANDBYWFI 0x0104
@ -510,11 +495,6 @@
#define EXYNOS5420_KFC_CORE_RESET(_nr) \
((EXYNOS5420_KFC_CORE_RESET0 | EXYNOS5420_KFC_ETM_RESET0) << (_nr))
#define EXYNOS5420_BB_CON1 0x0784
#define EXYNOS5420_BB_SEL_EN BIT(31)
#define EXYNOS5420_BB_PMOS_EN BIT(7)
#define EXYNOS5420_BB_1300X 0XF
#define EXYNOS5420_ARM_CORE2_SYS_PWR_REG 0x1020
#define EXYNOS5420_DIS_IRQ_ARM_CORE2_LOCAL_SYS_PWR_REG 0x1024
#define EXYNOS5420_DIS_IRQ_ARM_CORE2_CENTRAL_SYS_PWR_REG 0x1028
@ -546,15 +526,6 @@
#define EXYNOS5420_SPLL_SYSCLK_SYS_PWR_REG 0x1178
#define EXYNOS5420_INTRAM_MEM_SYS_PWR_REG 0x11B8
#define EXYNOS5420_INTROM_MEM_SYS_PWR_REG 0x11BC
#define EXYNOS5420_ONENANDXL_MEM_SYS_PWR 0x11C0
#define EXYNOS5420_USBDEV_MEM_SYS_PWR 0x11CC
#define EXYNOS5420_USBDEV1_MEM_SYS_PWR 0x11D0
#define EXYNOS5420_SDMMC_MEM_SYS_PWR 0x11D4
#define EXYNOS5420_CSSYS_MEM_SYS_PWR 0x11D8
#define EXYNOS5420_SECSS_MEM_SYS_PWR 0x11DC
#define EXYNOS5420_ROTATOR_MEM_SYS_PWR 0x11E0
#define EXYNOS5420_INTRAM_MEM_SYS_PWR 0x11E4
#define EXYNOS5420_INTROM_MEM_SYS_PWR 0x11E8
#define EXYNOS5420_PAD_RETENTION_JTAG_SYS_PWR_REG 0x1208
#define EXYNOS5420_PAD_RETENTION_DRAM_SYS_PWR_REG 0x1210
#define EXYNOS5420_PAD_RETENTION_UART_SYS_PWR_REG 0x1214
@ -605,13 +576,7 @@
#define EXYNOS5420_CMU_RESET_MSC_SYS_PWR_REG 0x159C
#define EXYNOS5420_CMU_RESET_FSYS_SYS_PWR_REG 0x15A0
#define EXYNOS5420_SFR_AXI_CGDIS1 0x15E4
#define EXYNOS_ARM_CORE2_CONFIGURATION 0x2100
#define EXYNOS5420_ARM_CORE2_OPTION 0x2108
#define EXYNOS_ARM_CORE3_CONFIGURATION 0x2180
#define EXYNOS5420_ARM_CORE3_OPTION 0x2188
#define EXYNOS5420_ARM_COMMON_STATUS 0x2504
#define EXYNOS5420_ARM_COMMON_OPTION 0x2508
#define EXYNOS5420_KFC_COMMON_STATUS 0x2584
#define EXYNOS5420_KFC_COMMON_OPTION 0x2588
#define EXYNOS5420_LOGIC_RESET_DURATION3 0x2D1C
@ -626,33 +591,9 @@
#define EXYNOS_PAD_RET_DRAM_OPTION 0x3008
#define EXYNOS_PAD_RET_MAUDIO_OPTION 0x3028
#define EXYNOS_PAD_RET_JTAG_OPTION 0x3048
#define EXYNOS_PAD_RET_GPIO_OPTION 0x3108
#define EXYNOS_PAD_RET_UART_OPTION 0x3128
#define EXYNOS_PAD_RET_MMCA_OPTION 0x3148
#define EXYNOS_PAD_RET_MMCB_OPTION 0x3168
#define EXYNOS_PAD_RET_EBIA_OPTION 0x3188
#define EXYNOS_PAD_RET_EBIB_OPTION 0x31A8
#define EXYNOS_PS_HOLD_CONTROL 0x330C
/* For SYS_PWR_REG */
#define EXYNOS_SYS_PWR_CFG BIT(0)
#define EXYNOS5420_MFC_CONFIGURATION 0x4060
#define EXYNOS5420_MFC_STATUS 0x4064
#define EXYNOS5420_MFC_OPTION 0x4068
#define EXYNOS5420_G3D_CONFIGURATION 0x4080
#define EXYNOS5420_G3D_STATUS 0x4084
#define EXYNOS5420_G3D_OPTION 0x4088
#define EXYNOS5420_DISP0_CONFIGURATION 0x40A0
#define EXYNOS5420_DISP0_STATUS 0x40A4
#define EXYNOS5420_DISP0_OPTION 0x40A8
#define EXYNOS5420_DISP1_CONFIGURATION 0x40C0
#define EXYNOS5420_DISP1_STATUS 0x40C4
#define EXYNOS5420_DISP1_OPTION 0x40C8
#define EXYNOS5420_MAU_CONFIGURATION 0x40E0
#define EXYNOS5420_MAU_STATUS 0x40E4
#define EXYNOS5420_MAU_OPTION 0x40E8
#define EXYNOS5420_FSYS2_OPTION 0x4168
#define EXYNOS5420_PSGEN_OPTION 0x4188