From: Jernej Skrabec Date: Sat, 20 Nov 2021 07:34:48 +0000 (+0100) Subject: ARM: dts: sunxi: Add CEC clock to DW-HDMI X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=38df5750962c61b96d4e53358f31955fe310d4f5;p=linux.git ARM: dts: sunxi: Add CEC clock to DW-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/20211120073448.32480-3-jernej.skrabec@gmail.com --- diff --git a/arch/arm/boot/dts/sun8i-r40.dtsi b/arch/arm/boot/dts/sun8i-r40.dtsi index 1d87fc0c24ee4..f10436b7869c1 100644 --- a/arch/arm/boot/dts/sun8i-r40.dtsi +++ b/arch/arm/boot/dts/sun8i-r40.dtsi @@ -1212,8 +1212,8 @@ reg-io-width = <1>; interrupts = ; clocks = <&ccu CLK_BUS_HDMI0>, <&ccu CLK_HDMI_SLOW>, - <&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>; diff --git a/arch/arm/boot/dts/sunxi-h3-h5.dtsi b/arch/arm/boot/dts/sunxi-h3-h5.dtsi index c7428df9469e6..d1e974886fdf1 100644 --- a/arch/arm/boot/dts/sunxi-h3-h5.dtsi +++ b/arch/arm/boot/dts/sunxi-h3-h5.dtsi @@ -813,8 +813,8 @@ 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>;