From: Jernej Skrabec Date: Sat, 20 Nov 2021 07:34:47 +0000 (+0100) Subject: arm64: dts: allwinner: a64: Add CEC clock to HDMI X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=3047444def125d9e1fb788541e8dc18a7058a47a;p=linux.git arm64: dts: allwinner: a64: Add CEC clock to HDMI Experimentation determined that HDMI CEC controller inside DW HDMI block depends on 32k clock from RTC. If this clock is tampered with, HDMI CEC communication starts or stops working, depending on situation. SoC user manual doesn't say anything about CEC, so this was overlooked. Fix this by adding dependency to RTC 32k clock. Signed-off-by: Jernej Skrabec Signed-off-by: Maxime Ripard Link: https://lore.kernel.org/r/20211120073448.32480-2-jernej.skrabec@gmail.com --- diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi index 5ba379078500f..741bd19fa8ec2 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi @@ -1220,8 +1220,8 @@ reg-io-width = <1>; interrupts = ; clocks = <&ccu CLK_BUS_HDMI>, <&ccu CLK_HDMI_DDC>, - <&ccu CLK_HDMI>; - clock-names = "iahb", "isfr", "tmds"; + <&ccu CLK_HDMI>, <&rtc 0>; + clock-names = "iahb", "isfr", "tmds", "cec"; resets = <&ccu RST_BUS_HDMI1>; reset-names = "ctrl"; phys = <&hdmi_phy>;