diff options
Diffstat (limited to 'arch/arm/plat-samsung')
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"); |