MLK-12454 ARM: dts: imx7d-12x12-lpddr3-arm2: add adc support

Add ADC support for imx7d-12x12-lpddr3-arm2 board.

Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
(cherry picked from commit 8ed7b52849feced89e8ddcbea49ec7426fa4d8bf)
Signed-off-by: Arulpandiyan Vadivel <arulpandiyan_vadivel@mentor.com>
Signed-off-by: Srikanth Krishnakar <Srikanth_Krishnakar@mentor.com>

diff --git a/arch/arm/boot/dts/imx7d-12x12-lpddr3-arm2.dts b/arch/arm/boot/dts/imx7d-12x12-lpddr3-arm2.dts
index 073c1ce..0a20855 100644 (file)
--- a/arch/arm/boot/dts/imx7d-12x12-lpddr3-arm2.dts
+++ b/arch/arm/boot/dts/imx7d-12x12-lpddr3-arm2.dts
@@ -123,6 +123,13 @@
                        enable-active-high;
                };
 
+               reg_vref_1v8: regulator@2 {
+                       compatible = "regulator-fixed";
+                       regulator-name = "vref-1v8";
+                       regulator-min-microvolt = <1800000>;
+                       regulator-max-microvolt = <1800000>;
+               };
+
                reg_mipi_dsi_pwr_on: mipi_dsi_pwr_on {
                        compatible = "regulator-fixed";
                        regulator-name = "mipi_dsi_pwr_on";
@@ -136,6 +143,11 @@
        };
 };
 
+&adc1 {
+       vref-supply = <&reg_vref_1v8>;
+       status = "okay";
+};
+
 &cpu0 {
        arm-supply = <&sw1a_reg>;
 };