[04/12] arm64: dts: allwinner: orange-pi-3: Enable HDMI output
diff mbox series

Message ID 20190405234514.6183-5-megous@megous.com
State Not Applicable
Delegated to: Johannes Berg
Headers show
Series
  • Add support for Orange Pi 3
Related show

Commit Message

Ondřej Jirman April 5, 2019, 11:45 p.m. UTC
From: Ondrej Jirman <megous@megous.com>

Orange Pi 3 has a DDC_CEC_EN signal connected to PH2, that enables
the DDC I2C bus. Before EDID can be read, we need to pull PH2 high.

Signed-off-by: Ondrej Jirman <megous@megous.com>
---
 .../dts/allwinner/sun50i-h6-orangepi-3.dts    | 35 +++++++++++++++++++
 1 file changed, 35 insertions(+)

Comments

Maxime Ripard April 8, 2019, 7:24 a.m. UTC | #1
On Sat, Apr 06, 2019 at 01:45:06AM +0200, megous@megous.com wrote:
> From: Ondrej Jirman <megous@megous.com>
>
> Orange Pi 3 has a DDC_CEC_EN signal connected to PH2, that enables
> the DDC I2C bus. Before EDID can be read, we need to pull PH2 high.
>
> Signed-off-by: Ondrej Jirman <megous@megous.com>
> ---
>  .../dts/allwinner/sun50i-h6-orangepi-3.dts    | 35 +++++++++++++++++++
>  1 file changed, 35 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-3.dts b/arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-3.dts
> index 7a2424fcaed7..644946749088 100644
> --- a/arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-3.dts
> +++ b/arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-3.dts
> @@ -21,6 +21,17 @@
>  		stdout-path = "serial0:115200n8";
>  	};
>
> +	connector {
> +		compatible = "hdmi-connector";
> +		type = "a";
> +
> +		port {
> +			hdmi_con_in: endpoint {
> +				remote-endpoint = <&hdmi_out_con>;
> +			};
> +		};
> +	};
> +
>  	leds {
>  		compatible = "gpio-leds";
>
> @@ -36,6 +47,15 @@
>  		};
>  	};
>
> +	reg_ddc: ddc-io {
> +                compatible = "regulator-fixed";
> +                regulator-name = "ddc-io";
> +                regulator-min-microvolt = <5000000>;
> +                regulator-max-microvolt = <5000000>;
> +                enable-active-high;
> +                gpio = <&pio 7 2 GPIO_ACTIVE_HIGH>; /* PH2 */
> +        };
> +

This is indented with spaces and generates checkpatch warnings.

Maxime

--
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

Patch
diff mbox series

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-3.dts b/arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-3.dts
index 7a2424fcaed7..644946749088 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-3.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-3.dts
@@ -21,6 +21,17 @@ 
 		stdout-path = "serial0:115200n8";
 	};
 
+	connector {
+		compatible = "hdmi-connector";
+		type = "a";
+
+		port {
+			hdmi_con_in: endpoint {
+				remote-endpoint = <&hdmi_out_con>;
+			};
+		};
+	};
+
 	leds {
 		compatible = "gpio-leds";
 
@@ -36,6 +47,15 @@ 
 		};
 	};
 
+	reg_ddc: ddc-io {
+                compatible = "regulator-fixed";
+                regulator-name = "ddc-io";
+                regulator-min-microvolt = <5000000>;
+                regulator-max-microvolt = <5000000>;
+                enable-active-high;
+                gpio = <&pio 7 2 GPIO_ACTIVE_HIGH>; /* PH2 */
+        };
+
 	reg_vcc5v: vcc5v {
 		/* board wide 5V supply directly from the DC jack */
 		compatible = "regulator-fixed";
@@ -50,6 +70,10 @@ 
 	cpu-supply = <&reg_dcdca>;
 };
 
+&de {
+	status = "okay";
+};
+
 &ehci0 {
 	status = "okay";
 };
@@ -58,6 +82,17 @@ 
 	status = "okay";
 };
 
+&hdmi {
+	ddc-supply = <&reg_ddc>;
+	status = "okay";
+};
+
+&hdmi_out {
+	hdmi_out_con: endpoint {
+		remote-endpoint = <&hdmi_con_in>;
+	};
+};
+
 &mmc0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&mmc0_pins>;