arm64: dts: rockchip: add the vdd_cpu regulator to rk3568-evb1-v10

The TCS4525 voltage regulator provides the vdd_cpu on the Rockchip
RK3568 EVB1. Add the device tree node and connect it to the CPU
nodes.

Signed-off-by: Michael Riesch <michael.riesch@wolfvision.net>
Link: https://lore.kernel.org/r/20220223162054.1626257-1-michael.riesch@wolfvision.net
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

diff --git a/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts b/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts
index 848e8f9..8a2c091 100644 (file)
--- a/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts
@@ -122,6 +122,22 @@
        };
 };
 
+&cpu0 {
+       cpu-supply = <&vdd_cpu>;
+};
+
+&cpu1 {
+       cpu-supply = <&vdd_cpu>;
+};
+
+&cpu2 {
+       cpu-supply = <&vdd_cpu>;
+};
+
+&cpu3 {
+       cpu-supply = <&vdd_cpu>;
+};
+
 &gmac0 {
        assigned-clocks = <&cru SCLK_GMAC0_RX_TX>, <&cru SCLK_GMAC0>;
        assigned-clock-parents = <&cru SCLK_GMAC0_RGMII_SPEED>;
@@ -162,6 +178,23 @@
 &i2c0 {
        status = "okay";
 
+       vdd_cpu: regulator@1c {
+               compatible = "tcs,tcs4525";
+               reg = <0x1c>;
+               fcs,suspend-voltage-selector = <1>;
+               regulator-name = "vdd_cpu";
+               regulator-always-on;
+               regulator-boot-on;
+               regulator-min-microvolt = <800000>;
+               regulator-max-microvolt = <1150000>;
+               regulator-ramp-delay = <2300>;
+               vin-supply = <&vcc5v0_sys>;
+
+               regulator-state-mem {
+                       regulator-off-in-suspend;
+               };
+       };
+
        rk809: pmic@20 {
                compatible = "rockchip,rk809";
                reg = <0x20>;