Enable saradc and add the reference 1.8v regulator required.
The libretech-cc has saradc channel 0 and 2 available on the 2 first
pins of 2J3 header
Signed-off-by: Jerome Brunet <jbrunet@xxxxxxxxxxxx>
---
arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts
index 69ca14ac10fa..71c3b3545bba 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts
@@ -93,6 +93,13 @@
<1800000 1>;
};
+ vddio_ao18: regulator-vddio_ao18 {
+ compatible = "regulator-fixed";
+ regulator-name = "VDDIO_AO18";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ };
+
vddio_boot: regulator-vddio_boot {
compatible = "regulator-fixed";
regulator-name = "VDDIO_BOOT";
@@ -193,6 +200,11 @@
"7J1 Header Pin15";
};
+&saradc {
+ status = "okay";
+ vref-supply = <&vddio_ao18>;
+};
+
/* SD card */
&sd_emmc_b {
status = "okay";
--
2.9.5
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