From: Alex Elder <elder@riscstar.com>
Date: Mon, 25 Aug 2025 17:20:55 +0000 (-0500)
Subject: riscv: dts: spacemit: define fixed regulators
X-Git-Tag: v6.19-rc1~100^2~27^2~12
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1df07a40453fd652132051419140950d47941fe9;p=thirdparty%2Fkernel%2Flinux.git

riscv: dts: spacemit: define fixed regulators

Define the DC power input and the 4v power as fixed supplies in the
Banana Pi BPI-F3.

Signed-off-by: Alex Elder <elder@riscstar.com>
Link: https://lore.kernel.org/r/20250825172057.163883-7-elder@riscstar.com
Signed-off-by: Yixun Lan <dlan@gentoo.org>
---

diff --git a/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts b/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts
index b33ac47fc6bd8..42762f22ceb14 100644
--- a/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts
+++ b/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts
@@ -30,6 +30,25 @@
 			default-state = "on";
 		};
 	};
+
+	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>;
+	};
 };
 
 &emmc {