arm64: dts: rockchip: Add regulators for pcie on rk3399-rock960

As per Rock960 schematics add 0V9 and 1V8 voltage supplies to the
RK3399 PCIe block.

Signed-off-by: Anand Moon <linux.amoon@gmail.com>
Link: https://lore.kernel.org/r/20191117140728.917-1-linux.amoon@gmail.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 c7d48d4..b69f0f2 100644 (file)
--- a/arch/arm64/boot/dts/rockchip/rk3399-rock960.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399-rock960.dtsi
@@ -76,6 +76,15 @@
                regulator-always-on;
                vin-supply = <&vcc5v0_sys>;
        };
+
+       vcc_0v9: vcc-0v9 {
+               compatible = "regulator-fixed";
+               regulator-name = "vcc_0v9";
+               regulator-always-on;
+               regulator-min-microvolt = <900000>;
+               regulator-max-microvolt = <900000>;
+               vin-supply = <&vcc3v3_sys>;
+       };
 };
 
 &cpu_l0 {
@@ -384,6 +393,8 @@
        num-lanes = <4>;
        pinctrl-names = "default";
        pinctrl-0 = <&pcie_clkreqn_cpm>;
+       vpcie0v9-supply = <&vcc_0v9>;
+       vpcie1v8-supply = <&vcca_1v8>;
        vpcie3v3-supply = <&vcc3v3_pcie>;
        status = "okay";
 };