HDMI CEC is configured to select HDMITX_CEC_M0 function of GPIO0_C7 by default in rk356x.dtsi. On Radxa ROCK 3 Model A it is routed to HDMITX_CEC_M1 according to board schematic [1]. Fix HDMI CEC by overriding pinctrl in hdmi node to select HDMITX_CEC_M1. [1] https://dl.radxa.com/rock3/docs/hw/3a/ROCK-3A-V1.3-SCH.pdf Signed-off-by: Jonas Karlman <jonas@xxxxxxxxx> --- arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts b/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts index a1c5fdf7d68f..c9cded3d2f1b 100644 --- a/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts +++ b/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts @@ -279,6 +279,7 @@ &gpu { &hdmi { avdd-0v9-supply = <&vdda0v9_image>; avdd-1v8-supply = <&vcca1v8_image>; + pinctrl-0 = <&hdmitx_scl &hdmitx_sda &hdmitxm1_cec>; status = "okay"; }; -- 2.39.0
