arm64: dts: rockchip: Add vdd_cpu_big regulators to rk3588-rock-5b

The RK8602 and RK8603 voltage regulators on the Rock 5B board provide
the power lines vdd_cpu_big0 and vdd_cpu_big1, respectively.

Add the necessary device tree nodes and bind them to the corresponding
CPU big core nodes.

Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
Link: https://lore.kernel.org/r/20230414125425.124994-4-cristian.ciocaltea@collabora.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

diff --git a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
index 8cc97d1..3e4aee8 100644 (file)
--- a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
@@ -53,6 +53,62 @@
        };
 };
 
+&cpu_b0 {
+       cpu-supply = <&vdd_cpu_big0_s0>;
+};
+
+&cpu_b1 {
+       cpu-supply = <&vdd_cpu_big0_s0>;
+};
+
+&cpu_b2 {
+       cpu-supply = <&vdd_cpu_big1_s0>;
+};
+
+&cpu_b3 {
+       cpu-supply = <&vdd_cpu_big1_s0>;
+};
+
+&i2c0 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&i2c0m2_xfer>;
+       status = "okay";
+
+       vdd_cpu_big0_s0: regulator@42 {
+               compatible = "rockchip,rk8602";
+               reg = <0x42>;
+               fcs,suspend-voltage-selector = <1>;
+               regulator-name = "vdd_cpu_big0_s0";
+               regulator-always-on;
+               regulator-boot-on;
+               regulator-min-microvolt = <550000>;
+               regulator-max-microvolt = <1050000>;
+               regulator-ramp-delay = <2300>;
+               vin-supply = <&vcc5v0_sys>;
+
+               regulator-state-mem {
+                       regulator-off-in-suspend;
+               };
+       };
+
+       vdd_cpu_big1_s0: regulator@43 {
+               compatible = "rockchip,rk8603", "rockchip,rk8602";
+               reg = <0x43>;
+               fcs,suspend-voltage-selector = <1>;
+               regulator-name = "vdd_cpu_big1_s0";
+               regulator-always-on;
+               regulator-boot-on;
+               regulator-min-microvolt = <550000>;
+               regulator-max-microvolt = <1050000>;
+               regulator-ramp-delay = <2300>;
+               vin-supply = <&vcc5v0_sys>;
+
+               regulator-state-mem {
+                       regulator-off-in-suspend;
+               };
+       };
+};
+
 &i2c6 {
        status = "okay";