[PATCH 2/3] riscv: dts: spacemit: orangepi-rv2: Add cpu scaling for K1 SoC

From: Vincent Legoll <[email protected]>

Enable CPU DVFS on OrangePi RV2

Signed-off-by: Vincent Legoll <[email protected]>
---
 .../boot/dts/spacemit/k1-orangepi-rv2.dts     | 35 ++++++++++++++++++-
 1 file changed, 34 insertions(+), 1 deletion(-)

diff --git a/arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts b/arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts
index b907a1396b21..dc6836ff7f1c 100644
--- a/arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts
+++ b/arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts
@@ -7,6 +7,7 @@
 /dts-v1/;
 
 #include "k1.dtsi"
+#include "k1-opp.dtsi"
 #include "k1-pinctrl.dtsi"
 
 / {
@@ -80,6 +81,38 @@ &combo_phy {
 	status = "okay";
 };
 
+&cpu_0 {
+       cpu-supply = <&buck1_0v9>;
+};
+
+&cpu_1 {
+       cpu-supply = <&buck1_0v9>;
+};
+
+&cpu_2 {
+       cpu-supply = <&buck1_0v9>;
+};
+
+&cpu_3 {
+       cpu-supply = <&buck1_0v9>;
+};
+
+&cpu_4 {
+       cpu-supply = <&buck1_0v9>;
+};
+
+&cpu_5 {
+       cpu-supply = <&buck1_0v9>;
+};
+
+&cpu_6 {
+       cpu-supply = <&buck1_0v9>;
+};
+
+&cpu_7 {
+       cpu-supply = <&buck1_0v9>;
+};
+
 &emmc {
 	bus-width = <8>;
 	mmc-hs400-1_8v;
@@ -162,7 +195,7 @@ pmic@41 {
 		dldoin2-supply = <&buck5>;
 
 		regulators {
-			buck1 {
+			buck1_0v9: buck1 {
 				regulator-min-microvolt = <500000>;
 				regulator-max-microvolt = <1050000>;
 				regulator-ramp-delay = <5000>;
-- 
2.53.0