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-rw-r--r--arch/arm/plat-samsung/Kconfig6
-rw-r--r--arch/arm/plat-samsung/Makefile1
-rw-r--r--arch/arm/plat-samsung/clock.c98
-rw-r--r--arch/arm/plat-samsung/dev-backlight.c149
-rw-r--r--arch/arm/plat-samsung/dev-fb.c14
-rw-r--r--arch/arm/plat-samsung/dev-hwmon.c14
-rw-r--r--arch/arm/plat-samsung/dev-i2c0.c14
-rw-r--r--arch/arm/plat-samsung/dev-i2c1.c24
-rw-r--r--arch/arm/plat-samsung/dev-i2c2.c24
-rw-r--r--arch/arm/plat-samsung/dev-i2c3.c24
-rw-r--r--arch/arm/plat-samsung/dev-i2c4.c24
-rw-r--r--arch/arm/plat-samsung/dev-i2c5.c24
-rw-r--r--arch/arm/plat-samsung/dev-i2c6.c24
-rw-r--r--arch/arm/plat-samsung/dev-i2c7.c24
-rw-r--r--arch/arm/plat-samsung/dev-nand.c9
-rw-r--r--arch/arm/plat-samsung/dev-ts.c14
-rw-r--r--arch/arm/plat-samsung/dev-usb.c9
-rw-r--r--arch/arm/plat-samsung/include/plat/backlight.h26
-rw-r--r--arch/arm/plat-samsung/include/plat/clock.h3
-rw-r--r--arch/arm/plat-samsung/include/plat/iic.h2
-rw-r--r--arch/arm/plat-samsung/pwm-clock.c10
-rw-r--r--arch/arm/plat-samsung/time.c2
22 files changed, 278 insertions, 261 deletions
diff --git a/arch/arm/plat-samsung/Kconfig b/arch/arm/plat-samsung/Kconfig
index 4d79519d19a4..b3e10659e4b8 100644
--- a/arch/arm/plat-samsung/Kconfig
+++ b/arch/arm/plat-samsung/Kconfig
@@ -280,6 +280,12 @@ config SAMSUNG_DEV_PWM
help
Compile in platform device definition for PWM Timer
+config SAMSUNG_DEV_BACKLIGHT
+ bool
+ depends on SAMSUNG_DEV_PWM
+ help
+ Compile in platform device definition LCD backlight with PWM Timer
+
config S3C24XX_PWM
bool "PWM device support"
select HAVE_PWM
diff --git a/arch/arm/plat-samsung/Makefile b/arch/arm/plat-samsung/Makefile
index 53eb15b0a07d..853764ba8cc5 100644
--- a/arch/arm/plat-samsung/Makefile
+++ b/arch/arm/plat-samsung/Makefile
@@ -59,6 +59,7 @@ obj-$(CONFIG_SAMSUNG_DEV_IDE) += dev-ide.o
obj-$(CONFIG_SAMSUNG_DEV_TS) += dev-ts.o
obj-$(CONFIG_SAMSUNG_DEV_KEYPAD) += dev-keypad.o
obj-$(CONFIG_SAMSUNG_DEV_PWM) += dev-pwm.o
+obj-$(CONFIG_SAMSUNG_DEV_BACKLIGHT) += dev-backlight.o
# DMA support
diff --git a/arch/arm/plat-samsung/clock.c b/arch/arm/plat-samsung/clock.c
index 0c9f95d98561..302c42670bd1 100644
--- a/arch/arm/plat-samsung/clock.c
+++ b/arch/arm/plat-samsung/clock.c
@@ -71,74 +71,6 @@ static int clk_null_enable(struct clk *clk, int enable)
return 0;
}
-static int dev_is_s3c_uart(struct device *dev)
-{
- struct platform_device **pdev = s3c24xx_uart_devs;
- int i;
- for (i = 0; i < ARRAY_SIZE(s3c24xx_uart_devs); i++, pdev++)
- if (*pdev && dev == &(*pdev)->dev)
- return 1;
- return 0;
-}
-
-/*
- * Serial drivers call get_clock() very early, before platform bus
- * has been set up, this requires a special check to let them get
- * a proper clock
- */
-
-static int dev_is_platform_device(struct device *dev)
-{
- return dev->bus == &platform_bus_type ||
- (dev->bus == NULL && dev_is_s3c_uart(dev));
-}
-
-/* Clock API calls */
-
-struct clk *clk_get(struct device *dev, const char *id)
-{
- struct clk *p;
- struct clk *clk = ERR_PTR(-ENOENT);
- int idno;
-
- if (dev == NULL || !dev_is_platform_device(dev))
- idno = -1;
- else
- idno = to_platform_device(dev)->id;
-
- spin_lock(&clocks_lock);
-
- list_for_each_entry(p, &clocks, list) {
- if (p->id == idno &&
- strcmp(id, p->name) == 0 &&
- try_module_get(p->owner)) {
- clk = p;
- break;
- }
- }
-
- /* check for the case where a device was supplied, but the
- * clock that was being searched for is not device specific */
-
- if (IS_ERR(clk)) {
- list_for_each_entry(p, &clocks, list) {
- if (p->id == -1 && strcmp(id, p->name) == 0 &&
- try_module_get(p->owner)) {
- clk = p;
- break;
- }
- }
- }
-
- spin_unlock(&clocks_lock);
- return clk;
-}
-
-void clk_put(struct clk *clk)
-{
- module_put(clk->owner);
-}
-
int clk_enable(struct clk *clk)
{
if (IS_ERR(clk) || clk == NULL)
@@ -241,8 +173,6 @@ int clk_set_parent(struct clk *clk, struct clk *parent)
return ret;
}
-EXPORT_SYMBOL(clk_get);
-EXPORT_SYMBOL(clk_put);
EXPORT_SYMBOL(clk_enable);
EXPORT_SYMBOL(clk_disable);
EXPORT_SYMBOL(clk_get_rate);
@@ -265,7 +195,6 @@ struct clk_ops clk_ops_def_setrate = {
struct clk clk_xtal = {
.name = "xtal",
- .id = -1,
.rate = 0,
.parent = NULL,
.ctrlbit = 0,
@@ -273,30 +202,25 @@ struct clk clk_xtal = {
struct clk clk_ext = {
.name = "ext",
- .id = -1,
};
struct clk clk_epll = {
.name = "epll",
- .id = -1,
};
struct clk clk_mpll = {
.name = "mpll",
- .id = -1,
.ops = &clk_ops_def_setrate,
};
struct clk clk_upll = {
.name = "upll",
- .id = -1,
.parent = NULL,
.ctrlbit = 0,
};
struct clk clk_f = {
.name = "fclk",
- .id = -1,
.rate = 0,
.parent = &clk_mpll,
.ctrlbit = 0,
@@ -304,7 +228,6 @@ struct clk clk_f = {
struct clk clk_h = {
.name = "hclk",
- .id = -1,
.rate = 0,
.parent = NULL,
.ctrlbit = 0,
@@ -313,7 +236,6 @@ struct clk clk_h = {
struct clk clk_p = {
.name = "pclk",
- .id = -1,
.rate = 0,
.parent = NULL,
.ctrlbit = 0,
@@ -322,7 +244,6 @@ struct clk clk_p = {
struct clk clk_usb_bus = {
.name = "usb-bus",
- .id = -1,
.rate = 0,
.parent = &clk_upll,
};
@@ -330,7 +251,6 @@ struct clk clk_usb_bus = {
struct clk s3c24xx_uclk = {
.name = "uclk",
- .id = -1,
};
/* initialise the clock system */
@@ -346,14 +266,11 @@ int s3c24xx_register_clock(struct clk *clk)
if (clk->enable == NULL)
clk->enable = clk_null_enable;
- /* add to the list of available clocks */
-
- /* Quick check to see if this clock has already been registered. */
- BUG_ON(clk->list.prev != clk->list.next);
-
- spin_lock(&clocks_lock);
- list_add(&clk->list, &clocks);
- spin_unlock(&clocks_lock);
+ /* fill up the clk_lookup structure and register it*/
+ clk->lookup.dev_id = clk->devname;
+ clk->lookup.con_id = clk->name;
+ clk->lookup.clk = clk;
+ clkdev_add(&clk->lookup);
return 0;
}
@@ -463,10 +380,7 @@ static int clk_debugfs_register_one(struct clk *c)
char s[255];
char *p = s;
- p += sprintf(p, "%s", c->name);
-
- if (c->id >= 0)
- sprintf(p, ":%d", c->id);
+ p += sprintf(p, "%s", c->devname);
d = debugfs_create_dir(s, pa ? pa->dent : clk_debugfs_root);
if (!d)
diff --git a/arch/arm/plat-samsung/dev-backlight.c b/arch/arm/plat-samsung/dev-backlight.c
new file mode 100644
index 000000000000..3cedd4c407af
--- /dev/null
+++ b/arch/arm/plat-samsung/dev-backlight.c
@@ -0,0 +1,149 @@
+/* linux/arch/arm/plat-samsung/dev-backlight.c
+ *
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com
+ *
+ * Common infrastructure for PWM Backlight for Samsung boards
+ *
+ * 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/gpio.h>
+#include <linux/platform_device.h>
+#include <linux/io.h>
+#include <linux/pwm_backlight.h>
+
+#include <plat/devs.h>
+#include <plat/gpio-cfg.h>
+#include <plat/backlight.h>
+
+static int samsung_bl_init(struct device *dev)
+{
+ int ret = 0;
+ struct platform_device *timer_dev =
+ container_of(dev->parent, struct platform_device, dev);
+ struct samsung_bl_gpio_info *bl_gpio_info =
+ timer_dev->dev.platform_data;
+
+ ret = gpio_request(bl_gpio_info->no, "Backlight");
+ if (ret) {
+ printk(KERN_ERR "failed to request GPIO for LCD Backlight\n");
+ return ret;
+ }
+
+ /* Configure GPIO pin with specific GPIO function for PWM timer */
+ s3c_gpio_cfgpin(bl_gpio_info->no, bl_gpio_info->func);
+
+ return 0;
+}
+
+static void samsung_bl_exit(struct device *dev)
+{
+ struct platform_device *timer_dev =
+ container_of(dev->parent, struct platform_device, dev);
+ struct samsung_bl_gpio_info *bl_gpio_info =
+ timer_dev->dev.platform_data;
+
+ s3c_gpio_cfgpin(bl_gpio_info->no, S3C_GPIO_OUTPUT);
+ gpio_free(bl_gpio_info->no);
+}
+
+/* Initialize few important fields of platform_pwm_backlight_data
+ * structure with default values. These fields can be overridden by
+ * board-specific values sent from machine file.
+ * For ease of operation, these fields are initialized with values
+ * used by most samsung boards.
+ * Users has the option of sending info about other parameters
+ * for their specific boards
+ */
+
+static struct platform_pwm_backlight_data samsung_dfl_bl_data __initdata = {
+ .max_brightness = 255,
+ .dft_brightness = 255,
+ .pwm_period_ns = 78770,
+ .init = samsung_bl_init,
+ .exit = samsung_bl_exit,
+};
+
+static struct platform_device samsung_dfl_bl_device __initdata = {
+ .name = "pwm-backlight",
+};
+
+/* samsung_bl_set - Set board specific data (if any) provided by user for
+ * PWM Backlight control and register specific PWM and backlight device.
+ * @gpio_info: structure containing GPIO info for PWM timer
+ * @bl_data: structure containing Backlight control data
+ */
+void samsung_bl_set(struct samsung_bl_gpio_info *gpio_info,
+ struct platform_pwm_backlight_data *bl_data)
+{
+ int ret = 0;
+ struct platform_device *samsung_bl_device;
+ struct platform_pwm_backlight_data *samsung_bl_data;
+
+ samsung_bl_device = kmemdup(&samsung_dfl_bl_device,
+ sizeof(struct platform_device), GFP_KERNEL);
+ if (!samsung_bl_device) {
+ printk(KERN_ERR "%s: no memory for platform dev\n", __func__);
+ return;
+ }
+
+ samsung_bl_data = s3c_set_platdata(&samsung_dfl_bl_data,
+ sizeof(struct platform_pwm_backlight_data), samsung_bl_device);
+ if (!samsung_bl_data) {
+ printk(KERN_ERR "%s: no memory for platform dev\n", __func__);
+ goto err_data;
+ }
+
+ /* Copy board specific data provided by user */
+ samsung_bl_data->pwm_id = bl_data->pwm_id;
+ samsung_bl_device->dev.parent =
+ &s3c_device_timer[samsung_bl_data->pwm_id].dev;
+
+ if (bl_data->max_brightness)
+ samsung_bl_data->max_brightness = bl_data->max_brightness;
+ if (bl_data->dft_brightness)
+ samsung_bl_data->dft_brightness = bl_data->dft_brightness;
+ if (bl_data->lth_brightness)
+ samsung_bl_data->lth_brightness = bl_data->lth_brightness;
+ if (bl_data->pwm_period_ns)
+ samsung_bl_data->pwm_period_ns = bl_data->pwm_period_ns;
+ if (bl_data->init)
+ samsung_bl_data->init = bl_data->init;
+ if (bl_data->notify)
+ samsung_bl_data->notify = bl_data->notify;
+ if (bl_data->exit)
+ samsung_bl_data->exit = bl_data->exit;
+ if (bl_data->check_fb)
+ samsung_bl_data->check_fb = bl_data->check_fb;
+
+ /* Keep the GPIO info for future use */
+ s3c_device_timer[samsung_bl_data->pwm_id].dev.platform_data = gpio_info;
+
+ /* Register the specific PWM timer dev for Backlight control */
+ ret = platform_device_register(
+ &s3c_device_timer[samsung_bl_data->pwm_id]);
+ if (ret) {
+ printk(KERN_ERR "failed to register pwm timer for backlight: %d\n", ret);
+ goto err_plat_reg1;
+ }
+
+ /* Register the Backlight dev */
+ ret = platform_device_register(samsung_bl_device);
+ if (ret) {
+ printk(KERN_ERR "failed to register backlight device: %d\n", ret);
+ goto err_plat_reg2;
+ }
+
+ return;
+
+err_plat_reg2:
+ platform_device_unregister(&s3c_device_timer[samsung_bl_data->pwm_id]);
+err_plat_reg1:
+ kfree(samsung_bl_data);
+err_data:
+ kfree(samsung_bl_device);
+ return;
+}
diff --git a/arch/arm/plat-samsung/dev-fb.c b/arch/arm/plat-samsung/dev-fb.c
index bf60204c6297..49a1362fd25b 100644
--- a/arch/arm/plat-samsung/dev-fb.c
+++ b/arch/arm/plat-samsung/dev-fb.c
@@ -58,16 +58,6 @@ struct platform_device s3c_device_fb = {
void __init s3c_fb_set_platdata(struct s3c_fb_platdata *pd)
{
- struct s3c_fb_platdata *npd;
-
- if (!pd) {
- printk(KERN_ERR "%s: no platform data\n", __func__);
- return;
- }
-
- npd = kmemdup(pd, sizeof(struct s3c_fb_platdata), GFP_KERNEL);
- if (!npd)
- printk(KERN_ERR "%s: no memory for platform data\n", __func__);
-
- s3c_device_fb.dev.platform_data = npd;
+ s3c_set_platdata(pd, sizeof(struct s3c_fb_platdata),
+ &s3c_device_fb);
}
diff --git a/arch/arm/plat-samsung/dev-hwmon.c b/arch/arm/plat-samsung/dev-hwmon.c
index b3ffb9587250..c91a79ce8f39 100644
--- a/arch/arm/plat-samsung/dev-hwmon.c
+++ b/arch/arm/plat-samsung/dev-hwmon.c
@@ -27,16 +27,6 @@ struct platform_device s3c_device_hwmon = {
void __init s3c_hwmon_set_platdata(struct s3c_hwmon_pdata *pd)
{
- struct s3c_hwmon_pdata *npd;
-
- if (!pd) {
- printk(KERN_ERR "%s: no platform data\n", __func__);
- return;
- }
-
- npd = kmemdup(pd, sizeof(struct s3c_hwmon_pdata), GFP_KERNEL);
- if (!npd)
- printk(KERN_ERR "%s: no memory for platform data\n", __func__);
-
- s3c_device_hwmon.dev.platform_data = npd;
+ s3c_set_platdata(pd, sizeof(struct s3c_hwmon_pdata),
+ &s3c_device_hwmon);
}
diff --git a/arch/arm/plat-samsung/dev-i2c0.c b/arch/arm/plat-samsung/dev-i2c0.c
index 3a601c16f03c..f8251f5098bd 100644
--- a/arch/arm/plat-samsung/dev-i2c0.c
+++ b/arch/arm/plat-samsung/dev-i2c0.c
@@ -48,7 +48,7 @@ struct platform_device s3c_device_i2c0 = {
.resource = s3c_i2c_resource,
};
-static struct s3c2410_platform_i2c default_i2c_data0 __initdata = {
+struct s3c2410_platform_i2c default_i2c_data __initdata = {
.flags = 0,
.slave_addr = 0x10,
.frequency = 100*1000,
@@ -60,13 +60,11 @@ void __init s3c_i2c0_set_platdata(struct s3c2410_platform_i2c *pd)
struct s3c2410_platform_i2c *npd;
if (!pd)
- pd = &default_i2c_data0;
+ pd = &default_i2c_data;
- npd = kmemdup(pd, sizeof(struct s3c2410_platform_i2c), GFP_KERNEL);
- if (!npd)
- printk(KERN_ERR "%s: no memory for platform data\n", __func__);
- else if (!npd->cfg_gpio)
- npd->cfg_gpio = s3c_i2c0_cfg_gpio;
+ npd = s3c_set_platdata(pd, sizeof(struct s3c2410_platform_i2c),
+ &s3c_device_i2c0);
- s3c_device_i2c0.dev.platform_data = npd;
+ if (!npd->cfg_gpio)
+ npd->cfg_gpio = s3c_i2c0_cfg_gpio;
}
diff --git a/arch/arm/plat-samsung/dev-i2c1.c b/arch/arm/plat-samsung/dev-i2c1.c
index 858ee2a0414c..3b7c7bec1cf9 100644
--- a/arch/arm/plat-samsung/dev-i2c1.c
+++ b/arch/arm/plat-samsung/dev-i2c1.c
@@ -44,26 +44,18 @@ struct platform_device s3c_device_i2c1 = {
.resource = s3c_i2c_resource,
};
-static struct s3c2410_platform_i2c default_i2c_data1 __initdata = {
- .flags = 0,
- .bus_num = 1,
- .slave_addr = 0x10,
- .frequency = 100*1000,
- .sda_delay = 100,
-};
-
void __init s3c_i2c1_set_platdata(struct s3c2410_platform_i2c *pd)
{
struct s3c2410_platform_i2c *npd;
- if (!pd)
- pd = &default_i2c_data1;
+ if (!pd) {
+ pd = &default_i2c_data;
+ pd->bus_num = 1;
+ }
- npd = kmemdup(pd, sizeof(struct s3c2410_platform_i2c), GFP_KERNEL);
- if (!npd)
- printk(KERN_ERR "%s: no memory for platform data\n", __func__);
- else if (!npd->cfg_gpio)
- npd->cfg_gpio = s3c_i2c1_cfg_gpio;
+ npd = s3c_set_platdata(pd, sizeof(struct s3c2410_platform_i2c),
+ &s3c_device_i2c1);
- s3c_device_i2c1.dev.platform_data = npd;
+ if (!npd->cfg_gpio)
+ npd->cfg_gpio = s3c_i2c1_cfg_gpio;
}
diff --git a/arch/arm/plat-samsung/dev-i2c2.c b/arch/arm/plat-samsung/dev-i2c2.c
index ff4ba69b6830..07e9fd0b1b8b 100644
--- a/arch/arm/plat-samsung/dev-i2c2.c
+++ b/arch/arm/plat-samsung/dev-i2c2.c
@@ -45,26 +45,18 @@ struct platform_device s3c_device_i2c2 = {
.resource = s3c_i2c_resource,
};
-static struct s3c2410_platform_i2c default_i2c_data2 __initdata = {
- .flags = 0,
- .bus_num = 2,
- .slave_addr = 0x10,
- .frequency = 100*1000,
- .sda_delay = 100,
-};
-
void __init s3c_i2c2_set_platdata(struct s3c2410_platform_i2c *pd)
{
struct s3c2410_platform_i2c *npd;
- if (!pd)
- pd = &default_i2c_data2;
+ if (!pd) {
+ pd = &default_i2c_data;
+ pd->bus_num = 2;
+ }
- npd = kmemdup(pd, sizeof(struct s3c2410_platform_i2c), GFP_KERNEL);
- if (!npd)
- printk(KERN_ERR "%s: no memory for platform data\n", __func__);
- else if (!npd->cfg_gpio)
- npd->cfg_gpio = s3c_i2c2_cfg_gpio;
+ npd = s3c_set_platdata(pd, sizeof(struct s3c2410_platform_i2c),
+ &s3c_device_i2c2);
- s3c_device_i2c2.dev.platform_data = npd;
+ if (!npd->cfg_gpio)
+ npd->cfg_gpio = s3c_i2c2_cfg_gpio;
}
diff --git a/arch/arm/plat-samsung/dev-i2c3.c b/arch/arm/plat-samsung/dev-i2c3.c
index 8586a10014b7..d48efa93c6e7 100644
--- a/arch/arm/plat-samsung/dev-i2c3.c
+++ b/arch/arm/plat-samsung/dev-i2c3.c
@@ -43,26 +43,18 @@ struct platform_device s3c_device_i2c3 = {
.resource = s3c_i2c_resource,
};
-static struct s3c2410_platform_i2c default_i2c_data3 __initdata = {
- .flags = 0,
- .bus_num = 3,
- .slave_addr = 0x10,
- .frequency = 100*1000,
- .sda_delay = 100,
-};
-
void __init s3c_i2c3_set_platdata(struct s3c2410_platform_i2c *pd)
{
struct s3c2410_platform_i2c *npd;
- if (!pd)
- pd = &default_i2c_data3;
+ if (!pd) {
+ pd = &default_i2c_data;
+ pd->bus_num = 3;
+ }
- npd = kmemdup(pd, sizeof(struct s3c2410_platform_i2c), GFP_KERNEL);
- if (!npd)
- printk(KERN_ERR "%s: no memory for platform data\n", __func__);
- else if (!npd->cfg_gpio)
- npd->cfg_gpio = s3c_i2c3_cfg_gpio;
+ npd = s3c_set_platdata(pd, sizeof(struct s3c2410_platform_i2c),
+ &s3c_device_i2c3);
- s3c_device_i2c3.dev.platform_data = npd;
+ if (!npd->cfg_gpio)
+ npd->cfg_gpio = s3c_i2c3_cfg_gpio;
}
diff --git a/arch/arm/plat-samsung/dev-i2c4.c b/arch/arm/plat-samsung/dev-i2c4.c
index df2159e2daa6..07e26444efe6 100644
--- a/arch/arm/plat-samsung/dev-i2c4.c
+++ b/arch/arm/plat-samsung/dev-i2c4.c
@@ -43,26 +43,18 @@ struct platform_device s3c_device_i2c4 = {
.resource = s3c_i2c_resource,
};
-static struct s3c2410_platform_i2c default_i2c_data4 __initdata = {
- .flags = 0,
- .bus_num = 4,
- .slave_addr = 0x10,
- .frequency = 100*1000,
- .sda_delay = 100,
-};
-
void __init s3c_i2c4_set_platdata(struct s3c2410_platform_i2c *pd)
{
struct s3c2410_platform_i2c *npd;
- if (!pd)
- pd = &default_i2c_data4;
+ if (!pd) {
+ pd = &default_i2c_data;
+ pd->bus_num = 4;
+ }
- npd = kmemdup(pd, sizeof(struct s3c2410_platform_i2c), GFP_KERNEL);
- if (!npd)
- printk(KERN_ERR "%s: no memory for platform data\n", __func__);
- else if (!npd->cfg_gpio)
- npd->cfg_gpio = s3c_i2c4_cfg_gpio;
+ npd = s3c_set_platdata(pd, sizeof(struct s3c2410_platform_i2c),
+ &s3c_device_i2c4);
- s3c_device_i2c4.dev.platform_data = npd;
+ if (!npd->cfg_gpio)
+ npd->cfg_gpio = s3c_i2c4_cfg_gpio;
}
diff --git a/arch/arm/plat-samsung/dev-i2c5.c b/arch/arm/plat-samsung/dev-i2c5.c
index 0499c2c3877b..f49655784563 100644
--- a/arch/arm/plat-samsung/dev-i2c5.c
+++ b/arch/arm/plat-samsung/dev-i2c5.c
@@ -43,26 +43,18 @@ struct platform_device s3c_device_i2c5 = {
.resource = s3c_i2c_resource,
};
-static struct s3c2410_platform_i2c default_i2c_data5 __initdata = {
- .flags = 0,
- .bus_num = 5,
- .slave_addr = 0x10,
- .frequency = 100*1000,
- .sda_delay = 100,
-};
-
void __init s3c_i2c5_set_platdata(struct s3c2410_platform_i2c *pd)
{
struct s3c2410_platform_i2c *npd;
- if (!pd)
- pd = &default_i2c_data5;
+ if (!pd) {
+ pd = &default_i2c_data;
+ pd->bus_num = 5;
+ }
- npd = kmemdup(pd, sizeof(struct s3c2410_platform_i2c), GFP_KERNEL);
- if (!npd)
- printk(KERN_ERR "%s: no memory for platform data\n", __func__);
- else if (!npd->cfg_gpio)
- npd->cfg_gpio = s3c_i2c5_cfg_gpio;
+ npd = s3c_set_platdata(pd, sizeof(struct s3c2410_platform_i2c),
+ &s3c_device_i2c5);
- s3c_device_i2c5.dev.platform_data = npd;
+ if (!npd->cfg_gpio)
+ npd->cfg_gpio = s3c_i2c5_cfg_gpio;
}
diff --git a/arch/arm/plat-samsung/dev-i2c6.c b/arch/arm/plat-samsung/dev-i2c6.c
index 4083108908a8..141d799944e2 100644
--- a/arch/arm/plat-samsung/dev-i2c6.c
+++ b/arch/arm/plat-samsung/dev-i2c6.c
@@ -43,26 +43,18 @@ struct platform_device s3c_device_i2c6 = {
.resource = s3c_i2c_resource,
};
-static struct s3c2410_platform_i2c default_i2c_data6 __initdata = {
- .flags = 0,
- .bus_num = 6,
- .slave_addr = 0x10,
- .frequency = 100*1000,
- .sda_delay = 100,
-};
-
void __init s3c_i2c6_set_platdata(struct s3c2410_platform_i2c *pd)
{
struct s3c2410_platform_i2c *npd;
- if (!pd)
- pd = &default_i2c_data6;
+ if (!pd) {
+ pd = &default_i2c_data;
+ pd->bus_num = 6;
+ }
- npd = kmemdup(pd, sizeof(struct s3c2410_platform_i2c), GFP_KERNEL);
- if (!npd)
- printk(KERN_ERR "%s: no memory for platform data\n", __func__);
- else if (!npd->cfg_gpio)
- npd->cfg_gpio = s3c_i2c6_cfg_gpio;
+ npd = s3c_set_platdata(pd, sizeof(struct s3c2410_platform_i2c),
+ &s3c_device_i2c6);
- s3c_device_i2c6.dev.platform_data = npd;
+ if (!npd->cfg_gpio)
+ npd->cfg_gpio = s3c_i2c6_cfg_gpio;
}
diff --git a/arch/arm/plat-samsung/dev-i2c7.c b/arch/arm/plat-samsung/dev-i2c7.c
index 1182451d7dce..9dddcd1665b5 100644
--- a/arch/arm/plat-samsung/dev-i2c7.c
+++ b/arch/arm/plat-samsung/dev-i2c7.c
@@ -43,26 +43,18 @@ struct platform_device s3c_device_i2c7 = {
.resource = s3c_i2c_resource,
};
-static struct s3c2410_platform_i2c default_i2c_data7 __initdata = {
- .flags = 0,
- .bus_num = 7,
- .slave_addr = 0x10,
- .frequency = 100*1000,
- .sda_delay = 100,
-};
-
void __init s3c_i2c7_set_platdata(struct s3c2410_platform_i2c *pd)
{
struct s3c2410_platform_i2c *npd;
- if (!pd)
- pd = &default_i2c_data7;
+ if (!pd) {
+ pd = &default_i2c_data;
+ pd->bus_num = 7;
+ }
- npd = kmemdup(pd, sizeof(struct s3c2410_platform_i2c), GFP_KERNEL);
- if (!npd)
- printk(KERN_ERR "%s: no memory for platform data\n", __func__);
- else if (!npd->cfg_gpio)
- npd->cfg_gpio = s3c_i2c7_cfg_gpio;
+ npd = s3c_set_platdata(pd, sizeof(struct s3c2410_platform_i2c),
+ &s3c_device_i2c7);
- s3c_device_i2c7.dev.platform_data = npd;
+ if (!npd->cfg_gpio)
+ npd->cfg_gpio = s3c_i2c7_cfg_gpio;
}
diff --git a/arch/arm/plat-samsung/dev-nand.c b/arch/arm/plat-samsung/dev-nand.c
index 6927ae8fd118..b8e30ec6ac26 100644
--- a/arch/arm/plat-samsung/dev-nand.c
+++ b/arch/arm/plat-samsung/dev-nand.c
@@ -91,11 +91,10 @@ void __init s3c_nand_set_platdata(struct s3c2410_platform_nand *nand)
* time then there is little chance the system is going to run.
*/
- npd = kmemdup(nand, sizeof(struct s3c2410_platform_nand), GFP_KERNEL);
- if (!npd) {
- printk(KERN_ERR "%s: failed copying platform data\n", __func__);
+ npd = s3c_set_platdata(nand, sizeof(struct s3c2410_platform_nand),
+ &s3c_device_nand);
+ if (!npd)
return;
- }
/* now see if we need to copy any of the nand set data */
@@ -123,6 +122,4 @@ void __init s3c_nand_set_platdata(struct s3c2410_platform_nand *nand)
to++;
}
}
-
- s3c_device_nand.dev.platform_data = npd;
}
diff --git a/arch/arm/plat-samsung/dev-ts.c b/arch/arm/plat-samsung/dev-ts.c
index 3e4bd8147bf4..82543f0248ac 100644
--- a/arch/arm/plat-samsung/dev-ts.c
+++ b/arch/arm/plat-samsung/dev-ts.c
@@ -45,16 +45,6 @@ struct platform_device s3c_device_ts = {
void __init s3c24xx_ts_set_platdata(struct s3c2410_ts_mach_info *pd)
{
- struct s3c2410_ts_mach_info *npd;
-
- if (!pd) {
- printk(KERN_ERR "%s: no platform data\n", __func__);
- return;
- }
-
- npd = kmemdup(pd, sizeof(struct s3c2410_ts_mach_info), GFP_KERNEL);
- if (!npd)
- printk(KERN_ERR "%s: no memory for platform data\n", __func__);
-
- s3c_device_ts.dev.platform_data = npd;
+ s3c_set_platdata(pd, sizeof(struct s3c2410_ts_mach_info),
+ &s3c_device_ts);
}
diff --git a/arch/arm/plat-samsung/dev-usb.c b/arch/arm/plat-samsung/dev-usb.c
index 0e0a3bf5c982..33fbaa967700 100644
--- a/arch/arm/plat-samsung/dev-usb.c
+++ b/arch/arm/plat-samsung/dev-usb.c
@@ -60,11 +60,6 @@ EXPORT_SYMBOL(s3c_device_ohci);
*/
void __init s3c_ohci_set_platdata(struct s3c2410_hcd_info *info)
{
- struct s3c2410_hcd_info *npd;
-
- npd = kmemdup(info, sizeof(struct s3c2410_hcd_info), GFP_KERNEL);
- if (!npd)
- printk(KERN_ERR "%s: no memory for platform data\n", __func__);
-
- s3c_device_ohci.dev.platform_data = npd;
+ s3c_set_platdata(info, sizeof(struct s3c2410_hcd_info),
+ &s3c_device_ohci);
}
diff --git a/arch/arm/plat-samsung/include/plat/backlight.h b/arch/arm/plat-samsung/include/plat/backlight.h
new file mode 100644
index 000000000000..51d8da846a62
--- /dev/null
+++ b/arch/arm/plat-samsung/include/plat/backlight.h
@@ -0,0 +1,26 @@
+/* linux/arch/arm/plat-samsung/include/plat/backlight.h
+ *
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com
+ *
+ * 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.
+ */
+
+#ifndef __ASM_PLAT_BACKLIGHT_H
+#define __ASM_PLAT_BACKLIGHT_H __FILE__
+
+/* samsung_bl_gpio_info - GPIO info for PWM Backlight control
+ * @no: GPIO number for PWM timer out
+ * @func: Special function of GPIO line for PWM timer
+ */
+struct samsung_bl_gpio_info {
+ int no;
+ int func;
+};
+
+extern void samsung_bl_set(struct samsung_bl_gpio_info *gpio_info,
+ struct platform_pwm_backlight_data *bl_data);
+
+#endif /* __ASM_PLAT_BACKLIGHT_H */
diff --git a/arch/arm/plat-samsung/include/plat/clock.h b/arch/arm/plat-samsung/include/plat/clock.h
index 983c578b8276..87d5b38a86fb 100644
--- a/arch/arm/plat-samsung/include/plat/clock.h
+++ b/arch/arm/plat-samsung/include/plat/clock.h
@@ -10,6 +10,7 @@
*/
#include <linux/spinlock.h>
+#include <linux/clkdev.h>
struct clk;
@@ -40,6 +41,7 @@ struct clk {
struct module *owner;
struct clk *parent;
const char *name;
+ const char *devname;
int id;
int usage;
unsigned long rate;
@@ -47,6 +49,7 @@ struct clk {
struct clk_ops *ops;
int (*enable)(struct clk *, int enable);
+ struct clk_lookup lookup;
#if defined(CONFIG_PM_DEBUG) && defined(CONFIG_DEBUG_FS)
struct dentry *dent; /* For visible tree hierarchy */
#endif
diff --git a/arch/arm/plat-samsung/include/plat/iic.h b/arch/arm/plat-samsung/include/plat/iic.h
index 1543da8f85c1..56b0059439e1 100644
--- a/arch/arm/plat-samsung/include/plat/iic.h
+++ b/arch/arm/plat-samsung/include/plat/iic.h
@@ -71,4 +71,6 @@ extern void s3c_i2c5_cfg_gpio(struct platform_device *dev);
extern void s3c_i2c6_cfg_gpio(struct platform_device *dev);
extern void s3c_i2c7_cfg_gpio(struct platform_device *dev);
+extern struct s3c2410_platform_i2c default_i2c_data;
+
#endif /* __ASM_ARCH_IIC_H */
diff --git a/arch/arm/plat-samsung/pwm-clock.c b/arch/arm/plat-samsung/pwm-clock.c
index 46c9381e083b..f1bba88ed2f5 100644
--- a/arch/arm/plat-samsung/pwm-clock.c
+++ b/arch/arm/plat-samsung/pwm-clock.c
@@ -268,6 +268,7 @@ static struct pwm_tdiv_clk clk_timer_tdiv[] = {
[0] = {
.clk = {
.name = "pwm-tdiv",
+ .devname = "s3c24xx-pwm.0",
.ops = &clk_tdiv_ops,
.parent = &clk_timer_scaler[0],
},
@@ -275,6 +276,7 @@ static struct pwm_tdiv_clk clk_timer_tdiv[] = {
[1] = {
.clk = {
.name = "pwm-tdiv",
+ .devname = "s3c24xx-pwm.1",
.ops = &clk_tdiv_ops,
.parent = &clk_timer_scaler[0],
}
@@ -282,6 +284,7 @@ static struct pwm_tdiv_clk clk_timer_tdiv[] = {
[2] = {
.clk = {
.name = "pwm-tdiv",
+ .devname = "s3c24xx-pwm.2",
.ops = &clk_tdiv_ops,
.parent = &clk_timer_scaler[1],
},
@@ -289,6 +292,7 @@ static struct pwm_tdiv_clk clk_timer_tdiv[] = {
[3] = {
.clk = {
.name = "pwm-tdiv",
+ .devname = "s3c24xx-pwm.3",
.ops = &clk_tdiv_ops,
.parent = &clk_timer_scaler[1],
},
@@ -296,6 +300,7 @@ static struct pwm_tdiv_clk clk_timer_tdiv[] = {
[4] = {
.clk = {
.name = "pwm-tdiv",
+ .devname = "s3c24xx-pwm.4",
.ops = &clk_tdiv_ops,
.parent = &clk_timer_scaler[1],
},
@@ -361,26 +366,31 @@ static struct clk_ops clk_tin_ops = {
static struct clk clk_tin[] = {
[0] = {
.name = "pwm-tin",
+ .devname = "s3c24xx-pwm.0",
.id = 0,
.ops = &clk_tin_ops,
},
[1] = {
.name = "pwm-tin",
+ .devname = "s3c24xx-pwm.1",
.id = 1,
.ops = &clk_tin_ops,
},
[2] = {
.name = "pwm-tin",
+ .devname = "s3c24xx-pwm.2",
.id = 2,
.ops = &clk_tin_ops,
},
[3] = {
.name = "pwm-tin",
+ .devname = "s3c24xx-pwm.3",
.id = 3,
.ops = &clk_tin_ops,
},
[4] = {
.name = "pwm-tin",
+ .devname = "s3c24xx-pwm.4",
.id = 4,
.ops = &clk_tin_ops,
},
diff --git a/arch/arm/plat-samsung/time.c b/arch/arm/plat-samsung/time.c
index 2231d80ad817..e3bb806bbafe 100644
--- a/arch/arm/plat-samsung/time.c
+++ b/arch/arm/plat-samsung/time.c
@@ -259,6 +259,8 @@ static void __init s3c2410_timer_resources(void)
clk_enable(timerclk);
if (!use_tclk1_12()) {
+ tmpdev.id = 4;
+ tmpdev.dev.init_name = "s3c24xx-pwm.4";
tin = clk_get(&tmpdev.dev, "pwm-tin");
if (IS_ERR(tin))
panic("failed to get pwm-tin clock for system timer");