From: Javier Martinez Canillas <javierm@redhat.com>
Date: Sat, 6 Dec 2025 13:44:54 +0000 (+0100)
Subject: riscv: dts: spacemit: Define fixed regulators for Milk-V Jupiter
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ae9d03f8aec76c1bff21083b67c211238d7c57b1;p=thirdparty%2Fkernel%2Flinux.git

riscv: dts: spacemit: Define fixed regulators for Milk-V Jupiter

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

Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Yixun Lan <dlan@gentoo.org>
Link: https://lore.kernel.org/r/20251206134532.1741648-3-javierm@redhat.com
Signed-off-by: Yixun Lan <dlan@gentoo.org>
---

diff --git a/arch/riscv/boot/dts/spacemit/k1-milkv-jupiter.dts b/arch/riscv/boot/dts/spacemit/k1-milkv-jupiter.dts
index aa425f02c1f46..5babed4d70944 100644
--- a/arch/riscv/boot/dts/spacemit/k1-milkv-jupiter.dts
+++ b/arch/riscv/boot/dts/spacemit/k1-milkv-jupiter.dts
@@ -20,6 +20,25 @@
 	chosen {
 		stdout-path = "serial0";
 	};
+
+	reg_dc_in: 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: 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>;
+	};
 };
 
 &eth0 {