From 7d2b615bada7237bbfa5dff442f49dfb5aef65dc Mon Sep 17 00:00:00 2001 From: Ondrej Jirman Date: Tue, 26 Oct 2021 01:25:46 +0200 Subject: [PATCH 219/478] 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 062532416d1f..864f887e1362 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>; @@ -127,3 +127,7 @@ &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 35cb92e3b5f1..053e4add9973 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 aeb5c69fe51d..c4e3547e02e9 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