arm64: dts: imx8dxl_evk: add adc0 support

Enable adc0 at imx8dxl_evk boards dts.

Signed-off-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts b/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts
index fc9647e..11b1ff9 100644 (file)
--- a/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts
@@ -91,6 +91,13 @@
                off-on-delay-us = <3480>;
        };
 
+       reg_vref_1v8: regulator-adc-vref {
+               compatible = "regulator-fixed";
+               regulator-name = "vref_1v8";
+               regulator-min-microvolt = <1800000>;
+               regulator-max-microvolt = <1800000>;
+       };
+
        mii_select: regulator-4 {
                compatible = "regulator-fixed";
                regulator-name = "mii-select";
@@ -102,6 +109,11 @@
        };
 };
 
+&adc0 {
+       vref-supply = <&reg_vref_1v8>;
+       status = "okay";
+};
+
 &eqos {
        pinctrl-names = "default";
        pinctrl-0 = <&pinctrl_eqos>;