On Wed, Aug 24, 2016 at 10:07:15PM +0900, Milo Kim wrote:
GPIO for HDMI hot plug detect GPX3_7 is used. The HPD awareness is done when the GPIO is active high and single ended.
Enable HDMI block in Exynos5420 HDMI VDD and PLL consume 1.0V LDO6 (PVDD_ANAIP_1V0) and HDMI oscillator requires 1.8V LDO7 (PVDD_ANAIP_1V8).
Support HDMI display data channel I2C #2 is assigned for the HDMI DDC. It enables the EDID access.
Cc: Kukjin Kim kgene@kernel.org Cc: Krzysztof Kozlowski k.kozlowski@samsung.com Cc: Rob Herring robh+dt@kernel.org Cc: linux-arm-kernel@lists.infradead.org Cc: linux-samsung-soc@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Milo Kim woogyom.kim@gmail.com
arch/arm/boot/dts/exynos5420-arndale-octa.dts | 13 +++++++++++++ 1 file changed, 13 insertions(+)
diff --git a/arch/arm/boot/dts/exynos5420-arndale-octa.dts b/arch/arm/boot/dts/exynos5420-arndale-octa.dts index 39a3b81..2fb5708 100644 --- a/arch/arm/boot/dts/exynos5420-arndale-octa.dts +++ b/arch/arm/boot/dts/exynos5420-arndale-octa.dts @@ -70,6 +70,19 @@ status = "disabled"; };
First of all - it looks like these DTS patches do not depend on DRM part, do they?
+&hdmi {
- hpd-gpios = <&gpx3 7 GPIO_OPEN_SOURCE>;
Are you sure it is open-source type?
- vdd_osc-supply = <&ldo7_reg>;
- vdd_pll-supply = <&ldo6_reg>;
- vdd-supply = <&ldo6_reg>;
- ddc = <&i2c_2>;
- status = "okay";
+};
+&i2c_2 {
- status = "okay";
Hm, what is connected here? Please put it in alphabetical order (so after hsi2c_4).
Best regards, Krzysztof