ARM: S5PV310: Add support Power Domain
This patch adds support Power Domain for S5PV310 and S5PC210. Signed-off-by: Changhwan Youn <chaos.youn at samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This commit is contained in:
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a50eb1c768
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d6d8b48199
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@ -14,6 +14,11 @@ config CPU_S5PV310
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help
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help
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Enable S5PV310 CPU support
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Enable S5PV310 CPU support
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config S5PV310_DEV_PD
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bool
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help
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Compile in platform device definitions for Power Domain
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config S5PV310_SETUP_I2C1
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config S5PV310_SETUP_I2C1
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bool
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bool
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help
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help
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@ -73,6 +78,7 @@ config MACH_SMDKC210
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select S3C_DEV_HSMMC1
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select S3C_DEV_HSMMC1
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select S3C_DEV_HSMMC2
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select S3C_DEV_HSMMC2
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select S3C_DEV_HSMMC3
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select S3C_DEV_HSMMC3
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select S5PV310_DEV_PD
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select S5PV310_SETUP_SDHCI
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select S5PV310_SETUP_SDHCI
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help
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help
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Machine support for Samsung SMDKC210
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Machine support for Samsung SMDKC210
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@ -101,6 +107,7 @@ config MACH_SMDKV310
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select S3C_DEV_HSMMC1
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select S3C_DEV_HSMMC1
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select S3C_DEV_HSMMC2
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select S3C_DEV_HSMMC2
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select S3C_DEV_HSMMC3
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select S3C_DEV_HSMMC3
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select S5PV310_DEV_PD
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select S5PV310_SETUP_SDHCI
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select S5PV310_SETUP_SDHCI
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help
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help
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Machine support for Samsung SMDKV310
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Machine support for Samsung SMDKV310
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@ -27,6 +27,9 @@ obj-$(CONFIG_MACH_UNIVERSAL_C210) += mach-universal_c210.o
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# device support
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# device support
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obj-y += dev-audio.o
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obj-$(CONFIG_S5PV310_DEV_PD) += dev-pd.o
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obj-$(CONFIG_S5PV310_SETUP_I2C1) += setup-i2c1.o
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obj-$(CONFIG_S5PV310_SETUP_I2C1) += setup-i2c1.o
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obj-$(CONFIG_S5PV310_SETUP_I2C2) += setup-i2c2.o
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obj-$(CONFIG_S5PV310_SETUP_I2C2) += setup-i2c2.o
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obj-$(CONFIG_S5PV310_SETUP_I2C3) += setup-i2c3.o
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obj-$(CONFIG_S5PV310_SETUP_I2C3) += setup-i2c3.o
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@ -42,6 +42,11 @@ static struct map_desc s5pv310_iodesc[] __initdata = {
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.pfn = __phys_to_pfn(S5PV310_PA_CMU),
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.pfn = __phys_to_pfn(S5PV310_PA_CMU),
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.length = SZ_128K,
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.length = SZ_128K,
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.type = MT_DEVICE,
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.type = MT_DEVICE,
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}, {
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.virtual = (unsigned long)S5P_VA_PMU,
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.pfn = __phys_to_pfn(S5PV310_PA_PMU),
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.length = SZ_64K,
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.type = MT_DEVICE,
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}, {
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}, {
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.virtual = (unsigned long)S5P_VA_COMBINER_BASE,
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.virtual = (unsigned long)S5P_VA_COMBINER_BASE,
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.pfn = __phys_to_pfn(S5PV310_PA_COMBINER),
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.pfn = __phys_to_pfn(S5PV310_PA_COMBINER),
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@ -0,0 +1,139 @@
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/* linux/arch/arm/mach-s5pv310/dev-pd.c
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*
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* Copyright (c) 2010 Samsung Electronics Co., Ltd.
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* http://www.samsung.com
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*
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* S5PV310 - Power Domain support
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/io.h>
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#include <linux/kernel.h>
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#include <linux/platform_device.h>
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#include <linux/delay.h>
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#include <mach/regs-pmu.h>
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#include <plat/pd.h>
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static int s5pv310_pd_enable(struct device *dev)
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{
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struct samsung_pd_info *pdata = dev->platform_data;
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u32 timeout;
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__raw_writel(S5P_INT_LOCAL_PWR_EN, pdata->base);
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/* Wait max 1ms */
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timeout = 10;
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while ((__raw_readl(pdata->base + 0x4) & S5P_INT_LOCAL_PWR_EN)
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!= S5P_INT_LOCAL_PWR_EN) {
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if (timeout == 0) {
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printk(KERN_ERR "Power domain %s enable failed.\n",
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dev_name(dev));
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return -ETIMEDOUT;
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}
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timeout--;
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udelay(100);
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}
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return 0;
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}
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static int s5pv310_pd_disable(struct device *dev)
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{
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struct samsung_pd_info *pdata = dev->platform_data;
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u32 timeout;
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__raw_writel(0, pdata->base);
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/* Wait max 1ms */
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timeout = 10;
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while (__raw_readl(pdata->base + 0x4) & S5P_INT_LOCAL_PWR_EN) {
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if (timeout == 0) {
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printk(KERN_ERR "Power domain %s disable failed.\n",
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dev_name(dev));
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return -ETIMEDOUT;
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}
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timeout--;
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udelay(100);
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}
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return 0;
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}
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struct platform_device s5pv310_device_pd[] = {
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{
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.name = "samsung-pd",
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.id = 0,
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.dev = {
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.platform_data = &(struct samsung_pd_info) {
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.enable = s5pv310_pd_enable,
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.disable = s5pv310_pd_disable,
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.base = S5P_PMU_MFC_CONF,
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},
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},
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}, {
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.name = "samsung-pd",
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.id = 1,
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.dev = {
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.platform_data = &(struct samsung_pd_info) {
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.enable = s5pv310_pd_enable,
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.disable = s5pv310_pd_disable,
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.base = S5P_PMU_G3D_CONF,
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},
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},
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}, {
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.name = "samsung-pd",
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.id = 2,
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.dev = {
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.platform_data = &(struct samsung_pd_info) {
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.enable = s5pv310_pd_enable,
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.disable = s5pv310_pd_disable,
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.base = S5P_PMU_LCD0_CONF,
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},
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},
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}, {
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.name = "samsung-pd",
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.id = 3,
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.dev = {
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.platform_data = &(struct samsung_pd_info) {
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.enable = s5pv310_pd_enable,
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.disable = s5pv310_pd_disable,
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.base = S5P_PMU_LCD1_CONF,
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},
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},
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}, {
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.name = "samsung-pd",
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.id = 4,
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.dev = {
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.platform_data = &(struct samsung_pd_info) {
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.enable = s5pv310_pd_enable,
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.disable = s5pv310_pd_disable,
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.base = S5P_PMU_TV_CONF,
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},
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},
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}, {
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.name = "samsung-pd",
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.id = 5,
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.dev = {
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.platform_data = &(struct samsung_pd_info) {
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.enable = s5pv310_pd_enable,
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.disable = s5pv310_pd_disable,
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.base = S5P_PMU_CAM_CONF,
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},
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},
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}, {
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.name = "samsung-pd",
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.id = 6,
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.dev = {
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.platform_data = &(struct samsung_pd_info) {
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.enable = s5pv310_pd_enable,
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.disable = s5pv310_pd_disable,
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.base = S5P_PMU_GPS_CONF,
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},
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},
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},
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};
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@ -39,6 +39,8 @@
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#define S5PV310_PA_SYSCON (0x10010000)
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#define S5PV310_PA_SYSCON (0x10010000)
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#define S5P_PA_SYSCON S5PV310_PA_SYSCON
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#define S5P_PA_SYSCON S5PV310_PA_SYSCON
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#define S5PV310_PA_PMU (0x10020000)
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#define S5PV310_PA_CMU (0x10030000)
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#define S5PV310_PA_CMU (0x10030000)
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#define S5PV310_PA_WATCHDOG (0x10060000)
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#define S5PV310_PA_WATCHDOG (0x10060000)
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@ -0,0 +1,30 @@
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/* linux/arch/arm/mach-s5pv310/include/mach/regs-pmu.h
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*
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* Copyright (c) 2010 Samsung Electronics Co., Ltd.
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* http://www.samsung.com
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*
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* S5PV310 - Power management unit definition
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef __ASM_ARCH_REGS_PMU_H
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#define __ASM_ARCH_REGS_PMU_H __FILE__
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#include <mach/map.h>
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#define S5P_PMUREG(x) (S5P_VA_PMU + (x))
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#define S5P_PMU_CAM_CONF S5P_PMUREG(0x3C00)
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#define S5P_PMU_TV_CONF S5P_PMUREG(0x3C20)
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#define S5P_PMU_MFC_CONF S5P_PMUREG(0x3C40)
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#define S5P_PMU_G3D_CONF S5P_PMUREG(0x3C60)
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#define S5P_PMU_LCD0_CONF S5P_PMUREG(0x3C80)
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#define S5P_PMU_LCD1_CONF S5P_PMUREG(0x3CA0)
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#define S5P_PMU_GPS_CONF S5P_PMUREG(0x3CE0)
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#define S5P_INT_LOCAL_PWR_EN 0x7
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#endif /* __ASM_ARCH_REGS_PMU_H */
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@ -23,6 +23,7 @@
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#include <plat/cpu.h>
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#include <plat/cpu.h>
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#include <plat/devs.h>
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#include <plat/devs.h>
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#include <plat/sdhci.h>
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#include <plat/sdhci.h>
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#include <plat/pd.h>
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#include <mach/map.h>
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#include <mach/map.h>
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#include <mach/regs-srom.h>
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#include <mach/regs-srom.h>
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@ -147,6 +148,13 @@ static struct platform_device *smdkc210_devices[] __initdata = {
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&s3c_device_rtc,
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&s3c_device_rtc,
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&s3c_device_wdt,
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&s3c_device_wdt,
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&smdkc210_smsc911x,
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&smdkc210_smsc911x,
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&s5pv310_device_pd[PD_MFC],
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&s5pv310_device_pd[PD_G3D],
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&s5pv310_device_pd[PD_LCD0],
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&s5pv310_device_pd[PD_LCD1],
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&s5pv310_device_pd[PD_CAM],
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&s5pv310_device_pd[PD_TV],
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&s5pv310_device_pd[PD_GPS],
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};
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};
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static void __init smdkc210_smsc911x_init(void)
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static void __init smdkc210_smsc911x_init(void)
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@ -23,6 +23,7 @@
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#include <plat/cpu.h>
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#include <plat/cpu.h>
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#include <plat/devs.h>
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#include <plat/devs.h>
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#include <plat/sdhci.h>
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#include <plat/sdhci.h>
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#include <plat/pd.h>
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#include <mach/map.h>
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#include <mach/map.h>
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#include <mach/regs-srom.h>
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#include <mach/regs-srom.h>
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@ -147,6 +148,13 @@ static struct platform_device *smdkv310_devices[] __initdata = {
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&s3c_device_rtc,
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&s3c_device_rtc,
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&s3c_device_wdt,
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&s3c_device_wdt,
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&smdkv310_smsc911x,
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&smdkv310_smsc911x,
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&s5pv310_device_pd[PD_MFC],
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&s5pv310_device_pd[PD_G3D],
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&s5pv310_device_pd[PD_LCD0],
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&s5pv310_device_pd[PD_LCD1],
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&s5pv310_device_pd[PD_CAM],
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&s5pv310_device_pd[PD_TV],
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&s5pv310_device_pd[PD_GPS],
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};
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};
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static void __init smdkv310_smsc911x_init(void)
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static void __init smdkv310_smsc911x_init(void)
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@ -15,6 +15,7 @@
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#define S5P_VA_CHIPID S3C_ADDR(0x02000000)
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#define S5P_VA_CHIPID S3C_ADDR(0x02000000)
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#define S5P_VA_CMU S3C_ADDR(0x02100000)
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#define S5P_VA_CMU S3C_ADDR(0x02100000)
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#define S5P_VA_PMU S3C_ADDR(0x02180000)
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#define S5P_VA_GPIO S3C_ADDR(0x02200000)
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#define S5P_VA_GPIO S3C_ADDR(0x02200000)
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#define S5P_VA_GPIO1 S5P_VA_GPIO
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#define S5P_VA_GPIO1 S5P_VA_GPIO
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#define S5P_VA_GPIO2 S3C_ADDR(0x02240000)
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#define S5P_VA_GPIO2 S3C_ADDR(0x02240000)
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@ -122,6 +122,8 @@ extern struct platform_device s5p_device_fimc0;
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extern struct platform_device s5p_device_fimc1;
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extern struct platform_device s5p_device_fimc1;
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extern struct platform_device s5p_device_fimc2;
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extern struct platform_device s5p_device_fimc2;
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extern struct platform_device s5pv310_device_pd[];
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/* s3c2440 specific devices */
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/* s3c2440 specific devices */
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#ifdef CONFIG_CPU_S3C2440
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#ifdef CONFIG_CPU_S3C2440
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