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

From: Anand Moon
Date: Sun Nov 17 2019 - 09:09:27 EST


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

Signed-off-by: Anand Moon <linux.amoon@xxxxxxxxx>
---
Schematics [0] https://dl.vamrs.com/products/rock960/docs/hw/rock960_sch_v12_20180314.pdf
---
arch/arm64/boot/dts/rockchip/rk3399-rock960.dtsi | 11 +++++++++++
1 file changed, 11 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rock960.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-rock960.dtsi
index c7d48d41e184..2f76cccebbee 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-rock960.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399-rock960.dtsi
@@ -53,6 +53,15 @@
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>;
+ };
+
vcc3v3_pcie: vcc3v3-pcie-regulator {
compatible = "regulator-fixed";
enable-active-high;
@@ -385,6 +394,8 @@
pinctrl-names = "default";
pinctrl-0 = <&pcie_clkreqn_cpm>;
vpcie3v3-supply = <&vcc3v3_pcie>;
+ vpcie1v8-supply = <&vcca_1v8>;
+ vpcie0v9-supply = <&vcc_0v9>;
status = "okay";
};

--
2.24.0