Commit 3c766699 authored by Sachin Kamat's avatar Sachin Kamat Committed by Kukjin Kim
Browse files

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: default avatarSachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: default avatarKukjin Kim <kgene.kim@samsung.com>
parent 9421a76d

arch/arm/mach-exynos4/mach-origen.c

+13 −0
Original line number Diff line number Diff line
@@ -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);

}