ARM: dts: lpc4357-ea4357: add adc0

Enable adc0 on EA4357 dev kit. This kit has a 22k
potentiometer (R94) connected on ADC0 channel 3.

Signed-off-by: Joachim Eastwood <manabian@gmail.com>

diff --git a/arch/arm/boot/dts/lpc4357-ea4357-devkit.dts b/arch/arm/boot/dts/lpc4357-ea4357-devkit.dts
index 079d3cf8c00bd3632139af827ede45fc7e5ecfca..bbc70b94d1c3590a4a1cb423457ae1d364c59363 100644 (file)
--- a/arch/arm/boot/dts/lpc4357-ea4357-devkit.dts
+++ b/arch/arm/boot/dts/lpc4357-ea4357-devkit.dts
@@ -38,6 +38,13 @@
                reg = <0x28000000 0x2000000>; /* 32 MB */
        };
 
+       vcc: vcc_fixed {
+               compatible = "regulator-fixed";
+               regulator-name = "3v3-supply";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+       };
+
        /* vmmc is controlled by sdmmc host internally */
        vmmc: vmmc_fixed {
                compatible = "regulator-fixed";
@@ -461,6 +468,11 @@
        };
 };
 
+&adc0 {
+       status = "okay";
+       vref-supply = <&vcc>;
+};
+
 &i2c0 {
        status = "okay";
        pinctrl-names = "default";