redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

Merge branch 'dev/pwm-backlight' into for-next 

Conflicts:
	arch/arm/mach-s3c64xx/mach-smdk6410.c
hifive-unleashed-5.1
Kukjin Kim 2011-03-11 15:48:52 +09:00
parent a9518cde23 5cd435b4ab
commit 6d2f42cc27
14 changed files with 290 additions and 49 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
arch/arm/mach-s3c64xx/Kconfig
View File

@ -143,6 +143,7 @@ config MACH_SMDK6410
select S3C_DEV_USB_HSOTG
select S3C_DEV_WDT
select SAMSUNG_DEV_KEYPAD
select SAMSUNG_DEV_PWM
select HAVE_S3C2410_WATCHDOG if WATCHDOG
select S3C64XX_SETUP_SDHCI
select S3C64XX_SETUP_I2C1
@ -231,7 +232,7 @@ config MACH_HMT
select S3C_DEV_NAND
select S3C_DEV_USB_HOST
select S3C64XX_SETUP_FB_24BPP
select HAVE_PWM
select SAMSUNG_DEV_PWM
help
Machine support for the Airgoo HMT
@ -249,8 +250,8 @@ config MACH_SMARTQ
select S3C64XX_SETUP_SDHCI
select S3C64XX_SETUP_FB_24BPP
select SAMSUNG_DEV_ADC
select SAMSUNG_DEV_PWM
select SAMSUNG_DEV_TS
select HAVE_PWM
help
Shared machine support for SmartQ 5/7

46
arch/arm/mach-s3c64xx/mach-smdk6410.c
View File

@ -29,6 +29,7 @@
#include <linux/smsc911x.h>
#include <linux/regulator/fixed.h>
#include <linux/regulator/machine.h>
#include <linux/pwm_backlight.h>
#ifdef CONFIG_SMDK6410_WM1190_EV1
#include <linux/mfd/wm8350/core.h>
@ -49,6 +50,7 @@
#include <mach/hardware.h>
#include <mach/regs-fb.h>
#include <mach/map.h>
#include <mach/gpio-bank-f.h>
#include <asm/irq.h>
#include <asm/mach-types.h>
@ -119,7 +121,6 @@ static void smdk6410_lcd_power_set(struct plat_lcd_data *pd,
{
if (power) {
gpio_direction_output(S3C64XX_GPF(13), 1);
gpio_direction_output(S3C64XX_GPF(15), 1);
/* fire nRESET on power up */
gpio_direction_output(S3C64XX_GPN(5), 0);
@ -127,7 +128,6 @@ static void smdk6410_lcd_power_set(struct plat_lcd_data *pd,
gpio_direction_output(S3C64XX_GPN(5), 1);
msleep(1);
} else {
gpio_direction_output(S3C64XX_GPF(15), 0);
gpio_direction_output(S3C64XX_GPF(13), 0);
}
}
@ -270,6 +270,45 @@ static struct samsung_keypad_platdata smdk6410_keypad_data __initdata = {
.cols = 8,
};
static int smdk6410_backlight_init(struct device *dev)
{
int ret;
ret = gpio_request(S3C64XX_GPF(15), "Backlight");
if (ret) {
printk(KERN_ERR "failed to request GPF for PWM-OUT1\n");
return ret;
}
/* Configure GPIO pin with S3C64XX_GPF15_PWM_TOUT1 */
s3c_gpio_cfgpin(S3C64XX_GPF(15), S3C_GPIO_SFN(2));
return 0;
}
static void smdk6410_backlight_exit(struct device *dev)
{
s3c_gpio_cfgpin(S3C64XX_GPF(15), S3C_GPIO_OUTPUT);
gpio_free(S3C64XX_GPF(15));
}
static struct platform_pwm_backlight_data smdk6410_backlight_data = {
.pwm_id = 1,
.max_brightness = 255,
.dft_brightness = 255,
.pwm_period_ns = 78770,
.init = smdk6410_backlight_init,
.exit = smdk6410_backlight_exit,
};
static struct platform_device smdk6410_backlight_device = {
.name = "pwm-backlight",
.dev = {
.parent = &s3c_device_timer[1].dev,
.platform_data = &smdk6410_backlight_data,
},
};
static struct map_desc smdk6410_iodesc[] = {};
static struct platform_device *smdk6410_devices[] __initdata = {
@ -299,6 +338,8 @@ static struct platform_device *smdk6410_devices[] __initdata = {
&s3c_device_rtc,
&s3c_device_ts,
&s3c_device_wdt,
&s3c_device_timer[1],
&smdk6410_backlight_device,
};
#ifdef CONFIG_REGULATOR
@ -694,7 +735,6 @@ static void __init smdk6410_machine_init(void)
gpio_request(S3C64XX_GPN(5), "LCD power");
gpio_request(S3C64XX_GPF(13), "LCD power");
gpio_request(S3C64XX_GPF(15), "LCD power");
i2c_register_board_info(0, i2c_devs0, ARRAY_SIZE(i2c_devs0));
i2c_register_board_info(1, i2c_devs1, ARRAY_SIZE(i2c_devs1));

2
arch/arm/mach-s5p64x0/Kconfig
View File

@ -34,6 +34,7 @@ config MACH_SMDK6440
select S3C_DEV_WDT
select S3C64XX_DEV_SPI
select SAMSUNG_DEV_ADC
select SAMSUNG_DEV_PWM
select SAMSUNG_DEV_TS
select S5P64X0_SETUP_I2C1
help
@ -47,6 +48,7 @@ config MACH_SMDK6450
select S3C_DEV_WDT
select S3C64XX_DEV_SPI
select SAMSUNG_DEV_ADC
select SAMSUNG_DEV_PWM
select SAMSUNG_DEV_TS
select S5P64X0_SETUP_I2C1
help

43
arch/arm/mach-s5p64x0/mach-smdk6440.c
View File

@ -22,6 +22,7 @@
#include <linux/module.h>
#include <linux/clk.h>
#include <linux/gpio.h>
#include <linux/pwm_backlight.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
@ -32,6 +33,7 @@
#include <mach/map.h>
#include <mach/regs-clock.h>
#include <mach/i2c.h>
#include <mach/regs-gpio.h>
#include <plat/regs-serial.h>
#include <plat/gpio-cfg.h>
@ -88,6 +90,45 @@ static struct s3c2410_uartcfg smdk6440_uartcfgs[] __initdata = {
},
};
static int smdk6440_backlight_init(struct device *dev)
{
int ret;
ret = gpio_request(S5P6440_GPF(15), "Backlight");
if (ret) {
printk(KERN_ERR "failed to request GPF for PWM-OUT1\n");
return ret;
}
/* Configure GPIO pin with S5P6440_GPF15_PWM_TOUT1 */
s3c_gpio_cfgpin(S5P6440_GPF(15), S3C_GPIO_SFN(2));
return 0;
}
static void smdk6440_backlight_exit(struct device *dev)
{
s3c_gpio_cfgpin(S5P6440_GPF(15), S3C_GPIO_OUTPUT);
gpio_free(S5P6440_GPF(15));
}
static struct platform_pwm_backlight_data smdk6440_backlight_data = {
.pwm_id = 1,
.max_brightness = 255,
.dft_brightness = 255,
.pwm_period_ns = 78770,
.init = smdk6440_backlight_init,
.exit = smdk6440_backlight_exit,
};
static struct platform_device smdk6440_backlight_device = {
.name = "pwm-backlight",
.dev = {
.parent = &s3c_device_timer[1].dev,
.platform_data = &smdk6440_backlight_data,
},
};
static struct platform_device *smdk6440_devices[] __initdata = {
&s3c_device_adc,
&s3c_device_rtc,
@ -97,6 +138,8 @@ static struct platform_device *smdk6440_devices[] __initdata = {
&s3c_device_wdt,
&samsung_asoc_dma,
&s5p6440_device_iis,
&s3c_device_timer[1],
&smdk6440_backlight_device,
};
static struct s3c2410_platform_i2c s5p6440_i2c0_data __initdata = {

43
arch/arm/mach-s5p64x0/mach-smdk6450.c
View File

@ -22,6 +22,7 @@
#include <linux/module.h>
#include <linux/clk.h>
#include <linux/gpio.h>
#include <linux/pwm_backlight.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
@ -32,6 +33,7 @@
#include <mach/map.h>
#include <mach/regs-clock.h>
#include <mach/i2c.h>
#include <mach/regs-gpio.h>
#include <plat/regs-serial.h>
#include <plat/gpio-cfg.h>
@ -106,6 +108,45 @@ static struct s3c2410_uartcfg smdk6450_uartcfgs[] __initdata = {
#endif
};
static int smdk6450_backlight_init(struct device *dev)
{
int ret;
ret = gpio_request(S5P6450_GPF(15), "Backlight");
if (ret) {
printk(KERN_ERR "failed to request GPF for PWM-OUT1\n");
return ret;
}
/* Configure GPIO pin with S5P6450_GPF15_PWM_TOUT1 */
s3c_gpio_cfgpin(S5P6450_GPF(15), S3C_GPIO_SFN(2));
return 0;
}
static void smdk6450_backlight_exit(struct device *dev)
{
s3c_gpio_cfgpin(S5P6450_GPF(15), S3C_GPIO_OUTPUT);
gpio_free(S5P6450_GPF(15));
}
static struct platform_pwm_backlight_data smdk6450_backlight_data = {
.pwm_id = 1,
.max_brightness = 255,
.dft_brightness = 255,
.pwm_period_ns = 78770,
.init = smdk6450_backlight_init,
.exit = smdk6450_backlight_exit,
};
static struct platform_device smdk6450_backlight_device = {
.name = "pwm-backlight",
.dev = {
.parent = &s3c_device_timer[1].dev,
.platform_data = &smdk6450_backlight_data,
},
};
static struct platform_device *smdk6450_devices[] __initdata = {
&s3c_device_adc,
&s3c_device_rtc,
@ -115,6 +156,8 @@ static struct platform_device *smdk6450_devices[] __initdata = {
&s3c_device_wdt,
&samsung_asoc_dma,
&s5p6450_device_iis0,
&s3c_device_timer[1],
&smdk6450_backlight_device,
/* s5p6450_device_spi0 will be added */
};

1
arch/arm/mach-s5pc100/Kconfig
View File

@ -58,6 +58,7 @@ config MACH_SMDKC100
select SAMSUNG_DEV_ADC
select SAMSUNG_DEV_IDE
select SAMSUNG_DEV_KEYPAD
select SAMSUNG_DEV_PWM
select SAMSUNG_DEV_TS
select S5PC100_SETUP_FB_24BPP
select S5PC100_SETUP_I2C1

48
arch/arm/mach-s5pc100/mach-smdkc100.c
View File

@ -23,12 +23,15 @@
#include <linux/fb.h>
#include <linux/delay.h>
#include <linux/input.h>
#include <linux/pwm_backlight.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <mach/map.h>
#include <mach/regs-fb.h>
#include <mach/regs-gpio.h>
#include <video/platform_lcd.h>
#include <asm/irq.h>
@ -107,9 +110,6 @@ static struct i2c_board_info i2c_devs1[] __initdata = {
static void smdkc100_lcd_power_set(struct plat_lcd_data *pd,
unsigned int power)
{
/* backlight */
gpio_direction_output(S5PC100_GPD(0), power);
if (power) {
/* module reset */
gpio_direction_output(S5PC100_GPH0(6), 1);
@ -179,6 +179,45 @@ static struct samsung_keypad_platdata smdkc100_keypad_data __initdata = {
.cols = 8,
};
static int smdkc100_backlight_init(struct device *dev)
{
int ret;
ret = gpio_request(S5PC100_GPD(0), "Backlight");
if (ret) {
printk(KERN_ERR "failed to request GPF for PWM-OUT0\n");
return ret;
}
/* Configure GPIO pin with S5PC100_GPD_TOUT_0 */
s3c_gpio_cfgpin(S5PC100_GPD(0), S3C_GPIO_SFN(2));
return 0;
}
static void smdkc100_backlight_exit(struct device *dev)
{
s3c_gpio_cfgpin(S5PC100_GPD(0), S3C_GPIO_OUTPUT);
gpio_free(S5PC100_GPD(0));
}
static struct platform_pwm_backlight_data smdkc100_backlight_data = {
.pwm_id = 0,
.max_brightness = 255,
.dft_brightness = 255,
.pwm_period_ns = 78770,
.init = smdkc100_backlight_init,
.exit = smdkc100_backlight_exit,
};
static struct platform_device smdkc100_backlight_device = {
.name = "pwm-backlight",
.dev = {
.parent = &s3c_device_timer[0].dev,
.platform_data = &smdkc100_backlight_data,
},
};
static struct platform_device *smdkc100_devices[] __initdata = {
&s3c_device_adc,
&s3c_device_cfcon,
@ -200,6 +239,8 @@ static struct platform_device *smdkc100_devices[] __initdata = {
&s5p_device_fimc1,
&s5p_device_fimc2,
&s5pc100_device_spdif,
&s3c_device_timer[0],
&smdkc100_backlight_device,
};
static struct s3c2410_ts_mach_info s3c_ts_platform __initdata = {
@ -233,7 +274,6 @@ static void __init smdkc100_machine_init(void)
s5pc100_spdif_setup_gpio(S5PC100_SPDIF_GPD);
/* LCD init */
gpio_request(S5PC100_GPD(0), "GPD");
gpio_request(S5PC100_GPH0(6), "GPH0");
smdkc100_lcd_power_set(&smdkc100_lcd_power_data, 0);
platform_add_devices(smdkc100_devices, ARRAY_SIZE(smdkc100_devices));

1
arch/arm/mach-s5pv210/Kconfig
View File

@ -130,6 +130,7 @@ config MACH_SMDKV210
select SAMSUNG_DEV_ADC
select SAMSUNG_DEV_IDE
select SAMSUNG_DEV_KEYPAD
select SAMSUNG_DEV_PWM
select SAMSUNG_DEV_TS
select S5PV210_SETUP_FB_24BPP
select S5PV210_SETUP_I2C1

43
arch/arm/mach-s5pv210/mach-smdkv210.c
View File

@ -18,6 +18,7 @@
#include <linux/fb.h>
#include <linux/gpio.h>
#include <linux/delay.h>
#include <linux/pwm_backlight.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
@ -43,6 +44,7 @@
#include <plat/keypad.h>
#include <plat/pm.h>
#include <plat/fb.h>
#include <plat/gpio-cfg.h>
/* Following are default values for UCON, ULCON and UFCON UART registers */
#define SMDKV210_UCON_DEFAULT (S3C2410_UCON_TXILEVEL | \
@ -208,6 +210,45 @@ static struct s3c_fb_platdata smdkv210_lcd0_pdata __initdata = {
.setup_gpio = s5pv210_fb_gpio_setup_24bpp,
};
static int smdkv210_backlight_init(struct device *dev)
{
int ret;
ret = gpio_request(S5PV210_GPD0(3), "Backlight");
if (ret) {
printk(KERN_ERR "failed to request GPD for PWM-OUT 3\n");
return ret;
}
/* Configure GPIO pin with S5PV210_GPD_0_3_TOUT_3 */
s3c_gpio_cfgpin(S5PV210_GPD0(3), S3C_GPIO_SFN(2));
return 0;
}
static void smdkv210_backlight_exit(struct device *dev)
{
s3c_gpio_cfgpin(S5PV210_GPD0(3), S3C_GPIO_OUTPUT);
gpio_free(S5PV210_GPD0(3));
}
static struct platform_pwm_backlight_data smdkv210_backlight_data = {
.pwm_id = 3,
.max_brightness = 255,
.dft_brightness = 255,
.pwm_period_ns = 78770,
.init = smdkv210_backlight_init,
.exit = smdkv210_backlight_exit,
};
static struct platform_device smdkv210_backlight_device = {
.name = "pwm-backlight",
.dev = {
.parent = &s3c_device_timer[3].dev,
.platform_data = &smdkv210_backlight_data,
},
};
static struct platform_device *smdkv210_devices[] __initdata = {
&s3c_device_adc,
&s3c_device_cfcon,
@ -229,6 +270,8 @@ static struct platform_device *smdkv210_devices[] __initdata = {
&samsung_device_keypad,
&smdkv210_dm9000,
&smdkv210_lcd_lte480wv,
&s3c_device_timer[3],
&smdkv210_backlight_device,
};
static void __init smdkv210_dm9000_init(void)

7
arch/arm/plat-s3c24xx/Kconfig
View File

@ -56,13 +56,6 @@ config S3C24XX_DCLK
help
Clock code for supporting DCLK/CLKOUT on S3C24XX architectures
config S3C24XX_PWM
bool "PWM device support"
select HAVE_PWM
help
Support for exporting the PWM timer blocks via the pwm device
system.
# gpio configurations
config S3C24XX_GPIO_EXTRA

13
arch/arm/plat-samsung/Kconfig
View File

@ -273,6 +273,19 @@ config SAMSUNG_DEV_KEYPAD
help
Compile in platform device definitions for keypad
config SAMSUNG_DEV_PWM
bool
default y if ARCH_S3C2410
help
Compile in platform device definition for PWM Timer
config S3C24XX_PWM
bool "PWM device support"
select HAVE_PWM
help
Support for exporting the PWM timer blocks via the pwm device
system
# DMA
config S3C_DMA

1
arch/arm/plat-samsung/Makefile
View File

@ -59,6 +59,7 @@ obj-$(CONFIG_SAMSUNG_DEV_ADC) += dev-adc.o
obj-$(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
# DMA support

53
arch/arm/plat-samsung/dev-pwm.c 100644
View File

@ -0,0 +1,53 @@
/* linux/arch/arm/plat-samsung/dev-pwm.c
*
* Copyright (c) 2011 Samsung Electronics Co., Ltd.
* http://www.samsung.com
*
* Copyright (c) 2007 Ben Dooks
* Copyright (c) 2008 Simtec Electronics
* Ben Dooks <ben@simtec.co.uk>, <ben-linux@fluff.org>
*
* S3C series device definition for the PWM timer
*
* 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/kernel.h>
#include <linux/platform_device.h>
#include <mach/irqs.h>
#include <plat/devs.h>
#define TIMER_RESOURCE_SIZE (1)
#define TIMER_RESOURCE(_tmr, _irq) \
(struct resource [TIMER_RESOURCE_SIZE]) { \
[0] = { \
.start = _irq, \
.end = _irq, \
.flags = IORESOURCE_IRQ \
} \
}
#define DEFINE_S3C_TIMER(_tmr_no, _irq) \
.name = "s3c24xx-pwm", \
.id = _tmr_no, \
.num_resources = TIMER_RESOURCE_SIZE, \
.resource = TIMER_RESOURCE(_tmr_no, _irq), \
/*
* since we already have an static mapping for the timer,
* we do not bother setting any IO resource for the base.
*/
struct platform_device s3c_device_timer[] = {
[0] = { DEFINE_S3C_TIMER(0, IRQ_TIMER0) },
[1] = { DEFINE_S3C_TIMER(1, IRQ_TIMER1) },
[2] = { DEFINE_S3C_TIMER(2, IRQ_TIMER2) },
[3] = { DEFINE_S3C_TIMER(3, IRQ_TIMER3) },
[4] = { DEFINE_S3C_TIMER(4, IRQ_TIMER4) },
};
EXPORT_SYMBOL(s3c_device_timer);

33
arch/arm/plat-samsung/pwm.c
View File

@ -20,10 +20,8 @@
#include <linux/io.h>
#include <linux/pwm.h>
#include <mach/irqs.h>
#include <mach/map.h>
#include <plat/devs.h>
#include <plat/regs-timer.h>
struct pwm_device {
@ -47,37 +45,6 @@ struct pwm_device {
static struct clk *clk_scaler[2];
/* Standard setup for a timer block. */
#define TIMER_RESOURCE_SIZE (1)
#define TIMER_RESOURCE(_tmr, _irq) \
(struct resource [TIMER_RESOURCE_SIZE]) { \
[0] = { \
.start = _irq, \
.end = _irq, \
.flags = IORESOURCE_IRQ \
} \
}
#define DEFINE_S3C_TIMER(_tmr_no, _irq) \
.name = "s3c24xx-pwm", \
.id = _tmr_no, \
.num_resources = TIMER_RESOURCE_SIZE, \
.resource = TIMER_RESOURCE(_tmr_no, _irq), \
/* since we already have an static mapping for the timer, we do not
* bother setting any IO resource for the base.
*/
struct platform_device s3c_device_timer[] = {
[0] = { DEFINE_S3C_TIMER(0, IRQ_TIMER0) },
[1] = { DEFINE_S3C_TIMER(1, IRQ_TIMER1) },
[2] = { DEFINE_S3C_TIMER(2, IRQ_TIMER2) },
[3] = { DEFINE_S3C_TIMER(3, IRQ_TIMER3) },
[4] = { DEFINE_S3C_TIMER(4, IRQ_TIMER4) },
};
static inline int pwm_is_tdiv(struct pwm_device *pwm)
{
return clk_get_parent(pwm->clk) == pwm->clk_div;