From: Neil Armstrong <narmstrong@baylibre.com>
Date: Mon, 27 May 2019 13:21:58 +0000 (+0200)
Subject: arm64: dts: meson-gxbb-vega-s95: enable SARADC
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=f1ef6262d1d3f228781089ee2f9b8a5ab5acdeec;p=linux.git

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 be8799653ad7e..4d2aa4dc59e78 100644
--- 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";