Power rail "D12.0V" comes straight from the power barrel connector, and it's used in both main board and sub board. Signed-off-by: Fabrizio Castro <fabrizio.castro@xxxxxxxxxxxxxx> --- arch/arm64/boot/dts/renesas/r8a774c0-cat874.dts | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/arch/arm64/boot/dts/renesas/r8a774c0-cat874.dts b/arch/arm64/boot/dts/renesas/r8a774c0-cat874.dts index 46a77ee..651383c 100644 --- a/arch/arm64/boot/dts/renesas/r8a774c0-cat874.dts +++ b/arch/arm64/boot/dts/renesas/r8a774c0-cat874.dts @@ -65,6 +65,15 @@ reg = <0x0 0x48000000 0x0 0x78000000>; }; + reg_12p0v: regulator-12p0v { + compatible = "regulator-fixed"; + regulator-name = "D12.0V"; + regulator-min-microvolt = <12000000>; + regulator-max-microvolt = <12000000>; + regulator-boot-on; + regulator-always-on; + }; + sound: sound { compatible = "simple-audio-card"; -- 2.7.4