Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 1030e5c5 authored by Ajay Kumar's avatar Ajay Kumar Committed by Kukjin Kim
Browse files

ARM: S5P6440: Add LCD-LTE480 and enable Framebuffer support 



This patch:
	-- Adds platform device support for LCD-LTE480.
	-- Adds platform data for FB with win_mode and default_bpp.
	-- Enables FB device support and platform-lcd support.
	-- Adds SPCON settings for LCD.

Signed-off-by: default avatarAjay Kumar <ajaykumar.rs@samsung.com>
Signed-off-by: default avatarKukjin Kim <kgene.kim@samsung.com>
parent c9f357ef

arch/arm/mach-s5p64x0/Kconfig

+2 −0
Original line number Diff line number Diff line
@@ -37,6 +37,7 @@ config S5P64X0_SETUP_I2C1 
config MACH_SMDK6440

	bool "SMDK6440"

	select CPU_S5P6440

	select S3C_DEV_FB

	select S3C_DEV_I2C1

	select S3C_DEV_RTC

	select S3C_DEV_WDT
@@ -45,6 +46,7 @@ config MACH_SMDK6440 
	select SAMSUNG_DEV_BACKLIGHT

	select SAMSUNG_DEV_PWM

	select SAMSUNG_DEV_TS

	select S5P64X0_SETUP_FB_24BPP

	select S5P64X0_SETUP_I2C1

	help

	  Machine support for the Samsung SMDK6440

arch/arm/mach-s5p64x0/include/mach/regs-gpio.h

+4 −0
Original line number Diff line number Diff line
@@ -34,6 +34,10 @@ 
#define S5P6450_GPQ_BASE		(S5P_VA_GPIO + 0x0180)

#define S5P6450_GPS_BASE		(S5P_VA_GPIO + 0x0300)



#define S5P64X0_SPCON0			(S5P_VA_GPIO + 0x1A0)

#define S5P64X0_SPCON0_LCD_SEL_MASK	(0x3 << 0)

#define S5P64X0_SPCON0_LCD_SEL_RGB	(0x1 << 0)



/* External interrupt control registers for group0 */



#define EINT0CON0_OFFSET		(0x900)

arch/arm/mach-s5p64x0/mach-smdk6440.c

+74 −0
Original line number Diff line number Diff line
@@ -23,6 +23,9 @@ 
#include <linux/clk.h>

#include <linux/gpio.h>

#include <linux/pwm_backlight.h>

#include <linux/fb.h>



#include <video/platform_lcd.h>



#include <asm/mach/arch.h>

#include <asm/mach/map.h>
@@ -47,6 +50,8 @@ 
#include <plat/ts.h>

#include <plat/s5p-time.h>

#include <plat/backlight.h>

#include <plat/fb.h>

#include <plat/regs-fb.h>



#define SMDK6440_UCON_DEFAULT	(S3C2410_UCON_TXILEVEL |	\

				S3C2410_UCON_RXILEVEL |		\
@@ -92,6 +97,59 @@ static struct s3c2410_uartcfg smdk6440_uartcfgs[] __initdata = { 
	},

};



/* Frame Buffer */

static struct s3c_fb_pd_win smdk6440_fb_win0 = {

	.win_mode = {

		.left_margin	= 8,

		.right_margin	= 13,

		.upper_margin	= 7,

		.lower_margin	= 5,

		.hsync_len	= 3,

		.vsync_len	= 1,

		.xres		= 800,

		.yres		= 480,

	},

	.max_bpp	= 32,

	.default_bpp	= 24,

};



static struct s3c_fb_platdata smdk6440_lcd_pdata __initdata = {

	.win[0]		= &smdk6440_fb_win0,

	.vidcon0	= VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,

	.vidcon1	= VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,

	.setup_gpio	= s5p64x0_fb_gpio_setup_24bpp,

};



/* LCD power controller */

static void smdk6440_lte480_reset_power(struct plat_lcd_data *pd,

					 unsigned int power)

{

	int err;



	if (power) {

		err = gpio_request(S5P6440_GPN(5), "GPN");

		if (err) {

			printk(KERN_ERR "failed to request GPN for lcd reset\n");

			return;

		}



		gpio_direction_output(S5P6440_GPN(5), 1);

		gpio_set_value(S5P6440_GPN(5), 0);

		gpio_set_value(S5P6440_GPN(5), 1);

		gpio_free(S5P6440_GPN(5));

	}

}



static struct plat_lcd_data smdk6440_lcd_power_data = {

	.set_power	= smdk6440_lte480_reset_power,

};



static struct platform_device smdk6440_lcd_lte480wv = {

	.name			= "platform-lcd",

	.dev.parent		= &s3c_device_fb.dev,

	.dev.platform_data	= &smdk6440_lcd_power_data,

};



static struct platform_device *smdk6440_devices[] __initdata = {

	&s3c_device_adc,

	&s3c_device_rtc,
@@ -101,6 +159,8 @@ static struct platform_device *smdk6440_devices[] __initdata = { 
	&s3c_device_wdt,

	&samsung_asoc_dma,

	&s5p6440_device_iis,

	&s3c_device_fb,

	&smdk6440_lcd_lte480wv,

};



static struct s3c2410_platform_i2c s5p6440_i2c0_data __initdata = {
@@ -153,6 +213,17 @@ static void __init smdk6440_map_io(void) 
	s5p_set_timer_source(S5P_PWM3, S5P_PWM4);

}



static void s5p6440_set_lcd_interface(void)

{

	unsigned int cfg;



	/* select TFT LCD type (RGB I/F) */

	cfg = __raw_readl(S5P64X0_SPCON0);

	cfg &= ~S5P64X0_SPCON0_LCD_SEL_MASK;

	cfg |= S5P64X0_SPCON0_LCD_SEL_RGB;

	__raw_writel(cfg, S5P64X0_SPCON0);

}



static void __init smdk6440_machine_init(void)

{

	s3c24xx_ts_set_platdata(&s3c_ts_platform);
@@ -166,6 +237,9 @@ static void __init smdk6440_machine_init(void) 


	samsung_bl_set(&smdk6440_bl_gpio_info, &smdk6440_bl_data);



	s5p6440_set_lcd_interface();

	s3c_fb_set_platdata(&smdk6440_lcd_pdata);



	platform_add_devices(smdk6440_devices, ARRAY_SIZE(smdk6440_devices));

}