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| author | Rahul Sharma <rahul.sharma@samsung.com> | 2012-10-29 13:48:43 +0100 |
|---|---|---|
| committer | Kukjin Kim <kgene.kim@samsung.com> | 2012-10-29 13:50:36 +0100 |
| commit | 566cf8eef26d99415aa8a542bd6bba6a719d2031 (patch) | |
| tree | 7dd077ffe634d4022c207497a8941ab84a212a6a | |
| parent | Linux 3.7-rc3 (diff) | |
| download | linux-566cf8eef26d99415aa8a542bd6bba6a719d2031.tar.xz linux-566cf8eef26d99415aa8a542bd6bba6a719d2031.zip | |
ARM: dts: add device tree support for exynos5 hdmi
This patch adds support for device tree based discovery for exynos5
hdmi. Hdmi node is also renamed with "exynos5-hdmi".
Signed-off-by: Rahul Sharma <rahul.sharma@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
| -rw-r--r-- | Documentation/devicetree/bindings/drm/exynos/hdmi.txt | 22 | ||||
| -rw-r--r-- | arch/arm/boot/dts/exynos5250-smdk5250.dts | 4 | ||||
| -rw-r--r-- | arch/arm/boot/dts/exynos5250.dtsi | 6 | ||||
| -rw-r--r-- | arch/arm/mach-exynos/mach-exynos5-dt.c | 2 |
4 files changed, 34 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/drm/exynos/hdmi.txt b/Documentation/devicetree/bindings/drm/exynos/hdmi.txt new file mode 100644 index 000000000000..589edee37394 --- /dev/null +++ b/Documentation/devicetree/bindings/drm/exynos/hdmi.txt @@ -0,0 +1,22 @@ +Device-Tree bindings for drm hdmi driver + +Required properties: +- compatible: value should be "samsung,exynos5-hdmi". +- reg: physical base address of the hdmi and length of memory mapped + region. +- interrupts: interrupt number to the cpu. +- hpd-gpio: following information about the hotplug gpio pin. + a) phandle of the gpio controller node. + b) pin number within the gpio controller. + c) pin function mode. + d) optional flags and pull up/down. + e) drive strength. + +Example: + + hdmi { + compatible = "samsung,exynos5-hdmi"; + reg = <0x14530000 0x100000>; + interrupts = <0 95 0>; + hpd-gpio = <&gpx3 7 0xf 1 3>; + }; diff --git a/arch/arm/boot/dts/exynos5250-smdk5250.dts b/arch/arm/boot/dts/exynos5250-smdk5250.dts index a352df403b7a..2a478abbd98a 100644 --- a/arch/arm/boot/dts/exynos5250-smdk5250.dts +++ b/arch/arm/boot/dts/exynos5250-smdk5250.dts @@ -166,4 +166,8 @@ spi_2: spi@12d40000 { status = "disabled"; }; + + hdmi { + hpd-gpio = <&gpx3 7 0xf 1 3>; + }; }; diff --git a/arch/arm/boot/dts/exynos5250.dtsi b/arch/arm/boot/dts/exynos5250.dtsi index dddfd6e444dc..b68be1cab2e0 100644 --- a/arch/arm/boot/dts/exynos5250.dtsi +++ b/arch/arm/boot/dts/exynos5250.dtsi @@ -520,4 +520,10 @@ reg = <0x13e30000 0x1000>; interrupts = <0 88 0>; }; + + hdmi { + compatible = "samsung,exynos5-hdmi"; + reg = <0x14530000 0x100000>; + interrupts = <0 95 0>; + }; }; diff --git a/arch/arm/mach-exynos/mach-exynos5-dt.c b/arch/arm/mach-exynos/mach-exynos5-dt.c index db1cd8eacf28..5e38208e0d13 100644 --- a/arch/arm/mach-exynos/mach-exynos5-dt.c +++ b/arch/arm/mach-exynos/mach-exynos5-dt.c @@ -72,6 +72,8 @@ static const struct of_dev_auxdata exynos5250_auxdata_lookup[] __initconst = { "exynos-gsc.2", NULL), OF_DEV_AUXDATA("samsung,exynos5-gsc", EXYNOS5_PA_GSC3, "exynos-gsc.3", NULL), + OF_DEV_AUXDATA("samsung,exynos5-hdmi", 0x14530000, + "exynos5-hdmi", NULL), {}, }; |