arm64: dts: meson-gxbb-vega-s95: enable SARADC

Add SARARC node and associated regulator to support reading the
ADC inputs on the Vega S95

Suggested-by: Christian Hewitt <christianshewitt@gmail.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>

diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb-vega-s95.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxbb-vega-s95.dtsi
index be8799653ad7e67071a2c5697eef7540a67573be..4d2aa4dc59e787c227e659488145d32125947854 100644 (file)
--- a/arch/arm64/boot/dts/amlogic/meson-gxbb-vega-s95.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gxbb-vega-s95.dtsi
@@ -54,6 +54,13 @@
                regulator-max-microvolt = <3300000>;
        };
 
+       vddio_ao18: regulator-vddio_ao18 {
+               compatible = "regulator-fixed";
+               regulator-name = "VDDIO_AO18";
+               regulator-min-microvolt = <1800000>;
+               regulator-max-microvolt = <1800000>;
+       };
+
        vcc_3v3: regulator-vcc_3v3 {
                compatible = "regulator-fixed";
                regulator-name = "VCC_3V3";
@@ -152,6 +159,11 @@
        clock-names = "clkin0";
 };
 
+&saradc {
+       status = "okay";
+       vref-supply = <&vddio_ao18>;
+};
+
 /* Wireless SDIO Module */
 &sd_emmc_a {
        status = "okay";