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ARM: SMDK2416: Add support for framebuffer device and ensure correct setup

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Add support for the LCD display on the SMDJK2416, and correctly name the
framebuffer device.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
This commit is contained in:
Ben Dooks 2010-05-03 15:29:44 +09:00
parent f077f3fc05
commit f64bea4318
3 changed files with 62 additions and 3 deletions
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1
arch/arm/mach-s3c2416/Kconfig
View File

@ -30,6 +30,7 @@ menu "S3C2416 Machines"
config MACH_SMDK2416
bool "SMDK2416"
select CPU_S3C2416
select S3C_DEV_FB
select S3C_DEV_HSMMC
select S3C_DEV_HSMMC1
help

62
arch/arm/mach-s3c2416/mach-smdk2416.c
View File

@ -22,6 +22,7 @@
#include <linux/io.h>
#include <linux/mtd/partitions.h>
#include <linux/gpio.h>
#include <linux/fb.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
@ -36,16 +37,19 @@
#include <mach/regs-lcd.h>
#include <mach/idle.h>
#include <mach/fb.h>
#include <mach/leds-gpio.h>
#include <plat/iic.h>
#include <plat/s3c2416.h>
#include <plat/gpio-cfg.h>
#include <plat/clock.h>
#include <plat/devs.h>
#include <plat/cpu.h>
#include <plat/nand.h>
#include <plat/regs-fb-v4.h>
#include <plat/fb.h>
#include <plat/common-smdk.h>
static struct map_desc smdk2416_iodesc[] __initdata = {
@ -109,7 +113,54 @@ static struct s3c2410_uartcfg smdk2416_uartcfgs[] __initdata = {
}
};
struct s3c_fb_pd_win smdk2416_fb_win[] = {
[0] = {
/* think this is the same as the smdk6410 */
.win_mode = {
.pixclock = 41094,
.left_margin = 8,
.right_margin = 13,
.upper_margin = 7,
.lower_margin = 5,
.hsync_len = 3,
.vsync_len = 1,
.xres = 800,
.yres = 480,
},
.default_bpp = 16,
.max_bpp = 32,
},
};
static void s3c2416_fb_gpio_setup_24bpp(void)
{
unsigned int gpio;
for (gpio = S3C2410_GPC(1); gpio <= S3C2410_GPC(4); gpio++) {
s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
}
for (gpio = S3C2410_GPC(8); gpio <= S3C2410_GPC(15); gpio++) {
s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
}
for (gpio = S3C2410_GPD(0); gpio <= S3C2410_GPD(15); gpio++) {
s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
}
}
static struct s3c_fb_platdata smdk2416_fb_platdata = {
.win[0] = &smdk2416_fb_win[0],
.setup_gpio = s3c2416_fb_gpio_setup_24bpp,
.vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
.vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
};
static struct platform_device *smdk2416_devices[] __initdata = {
&s3c_device_fb,
&s3c_device_wdt,
&s3c_device_ohci,
&s3c_device_i2c0,
@ -119,20 +170,25 @@ static struct platform_device *smdk2416_devices[] __initdata = {
static void __init smdk2416_map_io(void)
{
s3c24xx_init_io(smdk2416_iodesc, ARRAY_SIZE(smdk2416_iodesc));
s3c24xx_init_clocks(12000000);
s3c24xx_init_uarts(smdk2416_uartcfgs, ARRAY_SIZE(smdk2416_uartcfgs));
}
static void __init smdk2416_machine_init(void)
{
s3c_i2c0_set_platdata(NULL);
s3c_fb_set_platdata(&smdk2416_fb_platdata);
gpio_request(S3C2410_GPB(4), "USBHost Power");
gpio_direction_output(S3C2410_GPB(4), 1);
gpio_request(S3C2410_GPB(3), "Display Power");
gpio_direction_output(S3C2410_GPB(3), 1);
gpio_request(S3C2410_GPB(1), "Display Reset");
gpio_direction_output(S3C2410_GPB(1), 1);
platform_add_devices(smdk2416_devices, ARRAY_SIZE(smdk2416_devices));
smdk_machine_init();
}

2
arch/arm/mach-s3c2416/s3c2416.c
View File

@ -90,6 +90,8 @@ int __init s3c2416_init(void)
s3c_i2c0_setname("s3c2440-i2c");
s3c_i2c1_setname("s3c2440-i2c");
s3c_device_fb.name = "s3c2443-fb";
return sysdev_register(&s3c2416_sysdev);
}