arm64: dts: rockchip: Add 12V DCIN regulator to rk3399-ficus

12V DCIN regulator is root source supply for the rest of regulators
in Rock960 power diagram.

Add support for it and attach same to supply vcc5v0_sys.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Signed-off-by: Akash Gajjar <akash@openedev.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rock960.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-rock960.dtsi
index 1c13a70a7295b704b1e9dea4aa0932ede36d911e..5ba2aeca0fa800f4a8f9a5293e3a46ac4ca98029 100644 (file)
--- a/arch/arm64/boot/dts/rockchip/rk3399-rock960.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399-rock960.dtsi
@@ -18,6 +18,15 @@ sdio_pwrseq: sdio-pwrseq {
                reset-gpios = <&gpio0 RK_PB2 GPIO_ACTIVE_LOW>;
        };
 
+       vcc12v_dcin: vcc12v-dcin {
+               compatible = "regulator-fixed";
+               regulator-name = "vcc12v_dcin";
+               regulator-min-microvolt = <12000000>;
+               regulator-max-microvolt = <12000000>;
+               regulator-always-on;
+               regulator-boot-on;
+       };
+
        vcc1v8_s0: vcc1v8-s0 {
                compatible = "regulator-fixed";
                regulator-name = "vcc1v8_s0";
@@ -32,6 +41,7 @@ vcc5v0_sys: vcc5v0-sys {
                regulator-min-microvolt = <5000000>;
                regulator-max-microvolt = <5000000>;
                regulator-always-on;
+               vin-supply = <&vcc12v_dcin>;
        };
 
        vcc3v3_sys: vcc3v3-sys {