* [PATCH] arm64: dts: allwinner: Enable DDC regulator for Beelink GS1
@ 2019-08-12 10:23 Clément Péron
2019-08-12 11:26 ` Maxime Ripard
0 siblings, 1 reply; 2+ messages in thread
From: Clément Péron @ 2019-08-12 10:23 UTC (permalink / raw)
To: Maxime Ripard, Chen-Yu Tsai, Rob Herring
Cc: devicetree, linux-sunxi, Clément Péron, linux-kernel,
linux-arm-kernel
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>
---
arch/arm64/boot/dts/allwinner/sun50i-h6-beelink-gs1.dts | 1 +
1 file changed, 1 insertion(+)
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 680dc29cb089..67d7f269c5da 100644
--- 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 {
--
2.20.1
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^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] arm64: dts: allwinner: Enable DDC regulator for Beelink GS1
2019-08-12 10:23 [PATCH] arm64: dts: allwinner: Enable DDC regulator for Beelink GS1 Clément Péron
@ 2019-08-12 11:26 ` Maxime Ripard
0 siblings, 0 replies; 2+ messages in thread
From: Maxime Ripard @ 2019-08-12 11:26 UTC (permalink / raw)
To: Clément Péron
Cc: devicetree, Chen-Yu Tsai, linux-kernel, linux-sunxi, Rob Herring,
linux-arm-kernel
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On Mon, Aug 12, 2019 at 12:23:55PM +0200, Clément Péron wrote:
> 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>
Applied, thanks
Maxime
--
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
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2019-08-12 10:23 [PATCH] arm64: dts: allwinner: Enable DDC regulator for Beelink GS1 Clément Péron
2019-08-12 11:26 ` Maxime Ripard
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