[PATCH 1/2] arm64: dts: imx8mm-evk: Add VDDEXT_3V3 fixed regulator

[Liu Ying]

The VDDEXT_3V3 fixed regulator supplies 3.3v power for MIPI CSI/DSI
through mini-SAS connector and M.2 PCIe according to board schematic,
so add the fixed regulator support.

Signed-off-by: Liu Ying <victor.liu at nxp.com>
---
 arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi
index df8e808ac473..7cd1cedfa9e9 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi
@@ -72,6 +72,13 @@ reg_usdhc2_vmmc: regulator-usdhc2 {
 		enable-active-high;
 	};
 
+	reg_vddext_3v3: regulator-vddext-3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "VDDEXT_3V3";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+	};
+
 	backlight: backlight {
 		compatible = "pwm-backlight";
 		pwms = <&pwm1 0 5000000 0>;
-- 
2.37.1