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@xxxxxxx>
---
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
