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arm64: dts: allwinner: Enable DDC regulator for Beelink GS1
authorClément Péron <peron.clem@gmail.com>
Mon, 12 Aug 2019 10:23:55 +0000 (12:23 +0200)
committerMaxime Ripard <maxime.ripard@bootlin.com>
Fri, 23 Aug 2019 07:14:48 +0000 (09:14 +0200)
Beelink GS1 has a DDC I2C bus voltage shifter. This is actually missing
and video is limited to 1024x768 due to missing EDID information.

Add the DDC regulator in the device-tree.

Signed-off-by: Clément Péron <peron.clem@gmail.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
arch/arm64/boot/dts/allwinner/sun50i-h6-beelink-gs1.dts patch | blob | history

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6-beelink-gs1.dts b/arch/arm64/boot/dts/allwinner/sun50i-h6-beelink-gs1.dts
index 675c602..1d05d57 100644 (file)
--- a/arch/arm64/boot/dts/allwinner/sun50i-h6-beelink-gs1.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h6-beelink-gs1.dts
@@ -25,6 +25,7 @@
        connector {
                compatible = "hdmi-connector";
                type = "a";
+               ddc-en-gpios = <&pio 7 2 GPIO_ACTIVE_HIGH>; /* PH2 */
 
                port {
                        hdmi_con_in: endpoint {
Domain: System / Kernel;