[PATCH v2 2/4] riscv: dts: spacemit: Define fixed regulators for OrangePi RV2

From: Han Gao

Date: Tue Mar 10 2026 - 12:40:14 EST


Define the DC power input and the 4v power as fixed regulator supplies.

Signed-off-by: Han Gao <gaohan@xxxxxxxxxxx>
---
.../boot/dts/spacemit/k1-orangepi-rv2.dts | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)

diff --git a/arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts b/arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts
index 93880ba7bdfe..55b3d8d7f7f1 100644
--- a/arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts
+++ b/arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts
@@ -23,6 +23,25 @@ chosen {
stdout-path = "serial0";
};

+ reg_dc_in: regulator-dc-in-12v {
+ compatible = "regulator-fixed";
+ regulator-name = "dc_in_12v";
+ regulator-min-microvolt = <12000000>;
+ regulator-max-microvolt = <12000000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ reg_vcc_4v: regulator-vcc-4v {
+ compatible = "regulator-fixed";
+ regulator-name = "vcc_4v";
+ regulator-min-microvolt = <4000000>;
+ regulator-max-microvolt = <4000000>;
+ regulator-boot-on;
+ regulator-always-on;
+ vin-supply = <&reg_dc_in>;
+ };
+
leds {
compatible = "gpio-leds";

--
2.47.3