ARM: dts: rockchip: Add 3V3_SYS regulator for edgeble-neu2

Edgeble Neu2 IO board has 3V3_SYS regulator to power Audio, RS485,
and 4G Module.

Add regulator for it.

Signed-off-by: Jagan Teki <jagan@edgeble.ai>
Link: https://lore.kernel.org/r/20230731103518.2906147-13-jagan@edgeble.ai
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

diff --git a/arch/arm/boot/dts/rockchip/rv1126-edgeble-neu2-io.dts b/arch/arm/boot/dts/rockchip/rv1126-edgeble-neu2-io.dts
index 3340fc3..6dfcd7f 100644 (file)
--- a/arch/arm/boot/dts/rockchip/rv1126-edgeble-neu2-io.dts
+++ b/arch/arm/boot/dts/rockchip/rv1126-edgeble-neu2-io.dts
@@ -20,6 +20,16 @@
        chosen {
                stdout-path = "serial2:1500000n8";
        };
+
+       v3v3_sys: v3v3-sys-regulator {
+               compatible = "regulator-fixed";
+               regulator-name = "v3v3_sys";
+               regulator-always-on;
+               regulator-boot-on;
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+               vin-supply = <&vcc5v0_sys>;
+       };
 };
 
 &gmac {