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ARM: EXYNOS4: Add HPD and PD support for HDMI on ORIGEN 

This patch adds hot plug detection(HPD) and power domain(PD)
support for HDMI on ORIGEN board.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This commit is contained in:
Sachin Kamat 2011-10-03 09:16:53 +09:00 committed by Kukjin Kim
parent 9421a76d2b
commit 3c76669998
1 changed files with 13 additions and 0 deletions
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13
arch/arm/mach-exynos4/mach-origen.c
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@ -600,6 +600,7 @@ static struct platform_device *origen_devices[] __initdata = {
&s5p_device_i2c_hdmiphy,
&s5p_device_mixer,
&exynos4_device_pd[PD_LCD0],
&exynos4_device_pd[PD_TV],
&origen_device_gpiokeys,
&origen_lcd_hv070wsa,
};
@ -615,6 +616,14 @@ static struct platform_pwm_backlight_data origen_bl_data = {
.pwm_period_ns = 1000,
};
static void s5p_tv_setup(void)
{
/* Direct HPD to HDMI chip */
gpio_request_one(EXYNOS4_GPX3(7), GPIOF_IN, "hpd-plug");
s3c_gpio_cfgpin(EXYNOS4_GPX3(7), S3C_GPIO_SFN(0x3));
s3c_gpio_setpull(EXYNOS4_GPX3(7), S3C_GPIO_PULL_NONE);
}
static void __init origen_map_io(void)
{
s5p_init_io(NULL, 0, S5P_VA_CHIPID);
@ -646,6 +655,7 @@ static void __init origen_machine_init(void)
origen_ehci_init();
clk_xusbxti.rate = 24000000;
s5p_tv_setup();
s5p_i2c_hdmiphy_set_platdata(NULL);
s5p_fimd0_set_platdata(&origen_lcd_pdata);
@ -653,6 +663,9 @@ static void __init origen_machine_init(void)
platform_add_devices(origen_devices, ARRAY_SIZE(origen_devices));
s5p_device_fimd0.dev.parent = &exynos4_device_pd[PD_LCD0].dev;
s5p_device_hdmi.dev.parent = &exynos4_device_pd[PD_TV].dev;
s5p_device_mixer.dev.parent = &exynos4_device_pd[PD_TV].dev;
samsung_bl_set(&origen_bl_gpio_info, &origen_bl_data);
}