summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-exynos4
diff options
context:
space:
mode:
authorSachin Kamat <sachin.kamat@linaro.org>2011-10-03 02:16:53 +0200
committerKukjin Kim <kgene.kim@samsung.com>2011-10-04 05:57:29 +0200
commit3c76669998905afe2f8dd3f9a95c9936aaf9c4ff (patch)
tree9e132369254c6ee17bdfa70a2886cac7d2f8be84 /arch/arm/mach-exynos4
parentARM: EXYNOS4: Add machine support for 7" LCD on ORIGEN (diff)
downloadlinux-3c76669998905afe2f8dd3f9a95c9936aaf9c4ff.tar.xz
linux-3c76669998905afe2f8dd3f9a95c9936aaf9c4ff.zip
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>
Diffstat (limited to 'arch/arm/mach-exynos4')
-rw-r--r--arch/arm/mach-exynos4/mach-origen.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/arm/mach-exynos4/mach-origen.c b/arch/arm/mach-exynos4/mach-origen.c
index 349e2977b2ed..18909cf6c07d 100644
--- a/arch/arm/mach-exynos4/mach-origen.c
+++ b/arch/arm/mach-exynos4/mach-origen.c
@@ -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);
}