From 53872bd2fb1e9d87b888c0ca8d02a31637deffb1 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ond=C5=99ej=20Jirman?= Date: Tue, 26 Oct 2021 01:25:46 +0200 Subject: [PATCH 107/391] arm64: dts: sun50i-a64-pinephone: Workaround broken HDMI HPD signal HDMI HPD signal from ANX7688 to SoC's HDMI PHY is wrongly level shifted and does not register most of the time at the SoC's input. We need to do the signalling in software. Link anx7688 to hdmi driver via extcon interface. Signed-off-by: Ondrej Jirman --- arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.0.dts | 6 +++++- arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.1.dts | 6 +++++- arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.2.dts | 6 +++++- 3 files changed, 15 insertions(+), 3 deletions(-) diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.0.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.0.dts index cfb9518e0..0530881d8 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.0.dts +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.0.dts @@ -25,7 +25,7 @@ &axp803 { }; &i2c0 { - hdmi-bridge@28 { + anx7688: hdmi-bridge@28 { compatible = "analogix,anx7688"; reg = <0x28>; @@ -131,3 +131,7 @@ &sgm3140 { &codec_analog { allwinner,internal-bias-resistor; }; + +&hdmi { + extcon = <&anx7688 0>; +}; diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.1.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.1.dts index 35cb92e3b..053e4add9 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.1.dts +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.1.dts @@ -34,7 +34,7 @@ &codec_analog { }; &i2c0 { - hdmi-bridge@28 { + anx7688: hdmi-bridge@28 { compatible = "analogix,anx7688"; reg = <0x28>; @@ -133,3 +133,7 @@ usb0_drd_sw: endpoint { }; }; }; + +&hdmi { + extcon = <&anx7688 0>; +}; diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.2.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.2.dts index aeb5c69fe..c4e3547e0 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.2.dts +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.2.dts @@ -34,7 +34,7 @@ &mmc1 { }; &i2c0 { - hdmi-bridge@28 { + anx7688: hdmi-bridge@28 { compatible = "analogix,anx7688"; reg = <0x28>; @@ -121,3 +121,7 @@ usb0_drd_sw: endpoint { }; }; }; + +&hdmi { + extcon = <&anx7688 0>; +}; -- 2.35.3