ARM: S5PV310: Add support Power Domain (d6d8b481) · Commits · e / devices / android_kernel_samsung_universal8895

arch/arm/mach-s5pv310/Kconfig

+7 −0

Original line number	Original line	Diff line number	Diff line
	@@ -14,6 +14,11 @@ config CPU_S5PV310
	help		help
	Enable S5PV310 CPU support		Enable S5PV310 CPU support

			config S5PV310_DEV_PD
			bool
			help
			Compile in platform device definitions for Power Domain

	config S5PV310_SETUP_I2C1		config S5PV310_SETUP_I2C1
	bool		bool
	help		help
	@@ -73,6 +78,7 @@ config MACH_SMDKC210
	select S3C_DEV_HSMMC1		select S3C_DEV_HSMMC1
	select S3C_DEV_HSMMC2		select S3C_DEV_HSMMC2
	select S3C_DEV_HSMMC3		select S3C_DEV_HSMMC3
			select S5PV310_DEV_PD
	select S5PV310_SETUP_SDHCI		select S5PV310_SETUP_SDHCI
	help		help
	Machine support for Samsung SMDKC210		Machine support for Samsung SMDKC210
	@@ -101,6 +107,7 @@ config MACH_SMDKV310
	select S3C_DEV_HSMMC1		select S3C_DEV_HSMMC1
	select S3C_DEV_HSMMC2		select S3C_DEV_HSMMC2
	select S3C_DEV_HSMMC3		select S3C_DEV_HSMMC3
			select S5PV310_DEV_PD
	select S5PV310_SETUP_SDHCI		select S5PV310_SETUP_SDHCI
	help		help
	Machine support for Samsung SMDKV310		Machine support for Samsung SMDKV310

arch/arm/mach-s5pv310/Makefile

+3 −0

Original line number	Original line	Diff line number	Diff line
	@@ -27,6 +27,9 @@ obj-$(CONFIG_MACH_UNIVERSAL_C210) += mach-universal_c210.o

	# device support		# device support

			obj-y += dev-audio.o
			obj-$(CONFIG_S5PV310_DEV_PD) += dev-pd.o

	obj-$(CONFIG_S5PV310_SETUP_I2C1) += setup-i2c1.o		obj-$(CONFIG_S5PV310_SETUP_I2C1) += setup-i2c1.o
	obj-$(CONFIG_S5PV310_SETUP_I2C2) += setup-i2c2.o		obj-$(CONFIG_S5PV310_SETUP_I2C2) += setup-i2c2.o
	obj-$(CONFIG_S5PV310_SETUP_I2C3) += setup-i2c3.o		obj-$(CONFIG_S5PV310_SETUP_I2C3) += setup-i2c3.o

arch/arm/mach-s5pv310/cpu.c

+5 −0

Original line number	Original line	Diff line number	Diff line
	@@ -42,6 +42,11 @@ static struct map_desc s5pv310_iodesc[] __initdata = {
	.pfn = __phys_to_pfn(S5PV310_PA_CMU),		.pfn = __phys_to_pfn(S5PV310_PA_CMU),
	.length = SZ_128K,		.length = SZ_128K,
	.type = MT_DEVICE,		.type = MT_DEVICE,
			}, {
			.virtual = (unsigned long)S5P_VA_PMU,
			.pfn = __phys_to_pfn(S5PV310_PA_PMU),
			.length = SZ_64K,
			.type = MT_DEVICE,
	}, {		}, {
	.virtual = (unsigned long)S5P_VA_COMBINER_BASE,		.virtual = (unsigned long)S5P_VA_COMBINER_BASE,
	.pfn = __phys_to_pfn(S5PV310_PA_COMBINER),		.pfn = __phys_to_pfn(S5PV310_PA_COMBINER),

arch/arm/mach-s5pv310/dev-pd.c

0 → 100644

+139 −0

Original line number	Original line	Diff line number	Diff line
			/* linux/arch/arm/mach-s5pv310/dev-pd.c
			*
			* Copyright (c) 2010 Samsung Electronics Co., Ltd.
			* http://www.samsung.com
			*
			* S5PV310 - Power Domain support
			*
			* 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.
			*/

			#include <linux/io.h>
			#include <linux/kernel.h>
			#include <linux/platform_device.h>
			#include <linux/delay.h>

			#include <mach/regs-pmu.h>

			#include <plat/pd.h>

			static int s5pv310_pd_enable(struct device *dev)
			{
			struct samsung_pd_info *pdata = dev->platform_data;
			u32 timeout;

			__raw_writel(S5P_INT_LOCAL_PWR_EN, pdata->base);

			/* Wait max 1ms */
			timeout = 10;
			while ((__raw_readl(pdata->base + 0x4) & S5P_INT_LOCAL_PWR_EN)
			!= S5P_INT_LOCAL_PWR_EN) {
			if (timeout == 0) {
			printk(KERN_ERR "Power domain %s enable failed.\n",
			dev_name(dev));
			return -ETIMEDOUT;
			}
			timeout--;
			udelay(100);
			}

			return 0;
			}

			static int s5pv310_pd_disable(struct device *dev)
			{
			struct samsung_pd_info *pdata = dev->platform_data;
			u32 timeout;

			__raw_writel(0, pdata->base);

			/* Wait max 1ms */
			timeout = 10;
			while (__raw_readl(pdata->base + 0x4) & S5P_INT_LOCAL_PWR_EN) {
			if (timeout == 0) {
			printk(KERN_ERR "Power domain %s disable failed.\n",
			dev_name(dev));
			return -ETIMEDOUT;
			}
			timeout--;
			udelay(100);
			}

			return 0;
			}

			struct platform_device s5pv310_device_pd[] = {
			{
			.name = "samsung-pd",
			.id = 0,
			.dev = {
			.platform_data = &(struct samsung_pd_info) {
			.enable = s5pv310_pd_enable,
			.disable = s5pv310_pd_disable,
			.base = S5P_PMU_MFC_CONF,
			},
			},
			}, {
			.name = "samsung-pd",
			.id = 1,
			.dev = {
			.platform_data = &(struct samsung_pd_info) {
			.enable = s5pv310_pd_enable,
			.disable = s5pv310_pd_disable,
			.base = S5P_PMU_G3D_CONF,
			},
			},
			}, {
			.name = "samsung-pd",
			.id = 2,
			.dev = {
			.platform_data = &(struct samsung_pd_info) {
			.enable = s5pv310_pd_enable,
			.disable = s5pv310_pd_disable,
			.base = S5P_PMU_LCD0_CONF,
			},
			},
			}, {
			.name = "samsung-pd",
			.id = 3,
			.dev = {
			.platform_data = &(struct samsung_pd_info) {
			.enable = s5pv310_pd_enable,
			.disable = s5pv310_pd_disable,
			.base = S5P_PMU_LCD1_CONF,
			},
			},
			}, {
			.name = "samsung-pd",
			.id = 4,
			.dev = {
			.platform_data = &(struct samsung_pd_info) {
			.enable = s5pv310_pd_enable,
			.disable = s5pv310_pd_disable,
			.base = S5P_PMU_TV_CONF,
			},
			},
			}, {
			.name = "samsung-pd",
			.id = 5,
			.dev = {
			.platform_data = &(struct samsung_pd_info) {
			.enable = s5pv310_pd_enable,
			.disable = s5pv310_pd_disable,
			.base = S5P_PMU_CAM_CONF,
			},
			},
			}, {
			.name = "samsung-pd",
			.id = 6,
			.dev = {
			.platform_data = &(struct samsung_pd_info) {
			.enable = s5pv310_pd_enable,
			.disable = s5pv310_pd_disable,
			.base = S5P_PMU_GPS_CONF,
			},
			},
			},
			};

arch/arm/mach-s5pv310/include/mach/map.h

+2 −0

Original line number	Original line	Diff line number	Diff line
	@@ -39,6 +39,8 @@
	#define S5PV310_PA_SYSCON (0x10010000)		#define S5PV310_PA_SYSCON (0x10010000)
	#define S5P_PA_SYSCON S5PV310_PA_SYSCON		#define S5P_PA_SYSCON S5PV310_PA_SYSCON

			#define S5PV310_PA_PMU (0x10020000)

	#define S5PV310_PA_CMU (0x10030000)		#define S5PV310_PA_CMU (0x10030000)

	#define S5PV310_PA_WATCHDOG (0x10060000)		#define S5PV310_PA_WATCHDOG (0x10060000)