This patch adds support for device tree based discovery for exynos5
hdmiphy.
Signed-off-by: Rahul Sharma <rahul.sharma@xxxxxxxxxxx>
---
.../devicetree/bindings/drm/exynos/hdmiphy.txt | 12 ++++++++++++
arch/arm/boot/dts/exynos5250-smdk5250.dts | 10 ++++++++++
arch/arm/boot/dts/exynos5250.dtsi | 8 ++++++++
arch/arm/mach-exynos/mach-exynos5-dt.c | 2 ++
4 files changed, 32 insertions(+), 0 deletions(-)
create mode 100644 Documentation/devicetree/bindings/drm/exynos/hdmiphy.txt
diff --git a/Documentation/devicetree/bindings/drm/exynos/hdmiphy.txt b/Documentation/devicetree/bindings/drm/exynos/hdmiphy.txt
new file mode 100644
index 0000000..858f4f9
--- /dev/null
+++ b/Documentation/devicetree/bindings/drm/exynos/hdmiphy.txt
@@ -0,0 +1,12 @@
+Device-Tree bindings for hdmiphy driver
+
+Required properties:
+- compatible: value should be "samsung,exynos5-hdmiphy".
+- reg: I2C address of the hdmiphy device.
+
+Example:
+
+ hdmiphy {
+ compatible = "samsung,exynos5-hdmiphy";
+ reg = <0x38>;
+ };
diff --git a/arch/arm/boot/dts/exynos5250-smdk5250.dts b/arch/arm/boot/dts/exynos5250-smdk5250.dts
index 2a478ab..7dc196f 100644
--- a/arch/arm/boot/dts/exynos5250-smdk5250.dts
+++ b/arch/arm/boot/dts/exynos5250-smdk5250.dts
@@ -79,6 +79,16 @@
status = "disabled";
};
+ i2c@12CE0000 {
+ samsung,i2c-sda-delay = <100>;
+ samsung,i2c-max-bus-freq = <66000>;
+
+ hdmiphy@38 {
+ compatible = "samsung,exynos5-hdmiphy";
+ reg = <0x38>;
+ };
+ };
+
dwmmc_0: dwmmc0@12200000 {
num-slots = <1>;
supports-highspeed;
diff --git a/arch/arm/boot/dts/exynos5250.dtsi b/arch/arm/boot/dts/exynos5250.dtsi
index dd02b40..cc42bac 100644
--- a/arch/arm/boot/dts/exynos5250.dtsi
+++ b/arch/arm/boot/dts/exynos5250.dtsi
@@ -152,6 +152,14 @@
#size-cells = <0>;
};
+ i2c@12CE0000 {
+ compatible = "samsung,s3c2440-hdmiphy-i2c";
+ reg = <0x12CE0000 0x1000>;
+ interrupts = <0 64 0>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
spi_0: spi@12d20000 {
compatible = "samsung,exynos4210-spi";
reg = <0x12d20000 0x100>;
diff --git a/arch/arm/mach-exynos/mach-exynos5-dt.c b/arch/arm/mach-exynos/mach-exynos5-dt.c
index bb2d1ae..7d2bcf1 100644
--- a/arch/arm/mach-exynos/mach-exynos5-dt.c
+++ b/arch/arm/mach-exynos/mach-exynos5-dt.c
@@ -47,6 +47,8 @@ static const struct of_dev_auxdata exynos5250_auxdata_lookup[] __initconst = {
"s3c2440-i2c.0", NULL),
OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS5_PA_IIC(1),
"s3c2440-i2c.1", NULL),
+ OF_DEV_AUXDATA("samsung,s3c2440-hdmiphy-i2c", EXYNOS5_PA_IIC(8),
+ "s3c2440-hdmiphy-i2c", NULL),
OF_DEV_AUXDATA("samsung,exynos5250-dw-mshc", EXYNOS5_PA_DWMCI0,
"dw_mmc.0", NULL),
OF_DEV_AUXDATA("samsung,exynos5250-dw-mshc", EXYNOS5_PA_DWMCI1,
--
1.7.0.4
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