From: Hans Verkuil <hans.verkuil@xxxxxxxxx> The adv7511 on the Koelsch board has a 12 MHz fixed clock for the CEC block. Specify this in the dts to enable CEC support. Signed-off-by: Hans Verkuil <hans.verkuil@xxxxxxxxx> --- arch/arm/boot/dts/r8a7791-koelsch.dts | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/arm/boot/dts/r8a7791-koelsch.dts b/arch/arm/boot/dts/r8a7791-koelsch.dts index 001e6116c47c..88c8957b075b 100644 --- a/arch/arm/boot/dts/r8a7791-koelsch.dts +++ b/arch/arm/boot/dts/r8a7791-koelsch.dts @@ -642,11 +642,19 @@ }; }; + cec_clock: cec-clock { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <12000000>; + }; + hdmi@39 { compatible = "adi,adv7511w"; reg = <0x39>; interrupt-parent = <&gpio3>; interrupts = <29 IRQ_TYPE_LEVEL_LOW>; + clocks = <&cec_clock>; + clock-names = "cec"; adi,input-depth = <8>; adi,input-colorspace = "rgb"; -- 2.13.1