Add fixed regulators for the ADC. This board does not have
a programmable PMIC, but fixed regulators.
Adding them to DT so the ADC can probe correctly.
Tested-by: Swapna Gurumani <swapna.gurum...@microchip.com>
Signed-off-by: Ludovic Desroches <ludovic.desroc...@microchip.com>
Signed-off-by: Eugen Hristev <eugen.hris...@microchip.com>
---
arch/arm/boot/dts/at91-sama5d27_som1_ek.dts | 42 +++++++++++++++++++++++++++++
1 file changed, 42 insertions(+)
diff --git a/arch/arm/boot/dts/at91-sama5d27_som1_ek.dts
b/arch/arm/boot/dts/at91-sama5d27_som1_ek.dts
index e86e0c0..363a43d 100644
--- a/arch/arm/boot/dts/at91-sama5d27_som1_ek.dts
+++ b/arch/arm/boot/dts/at91-sama5d27_som1_ek.dts
@@ -283,6 +283,13 @@
status = "okay";
};
+ adc: adc@fc030000 {
+ vddana-supply = <&vddana>;
+ vref-supply = <&advref>;
+
+ status = "disabled";
+ };
+
pinctrl@fc038000 {
pinctrl_can1_default: can1_default {
@@ -549,4 +556,39 @@
linux,default-trigger = "heartbeat";
};
};
+
+ vddin_3v3: fixed-regulator-vddin_3v3 {
+ compatible = "regulator-fixed";
+
+ regulator-name = "VDDIN_3V3";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ regulator-boot-on;
+ status = "okay";
+ };
+
+ vddana: fixed-regulator-vddana {
+ compatible = "regulator-fixed";
+
+ regulator-name = "VDDANA";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ regulator-boot-on;
+ vin-supply = <&vddin_3v3>;
+ status = "okay";
+ };
+
+ advref: fixed-regulator-advref {
+ compatible = "regulator-fixed";
+
+ regulator-name = "advref";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ regulator-boot-on;
+ vin-supply = <&vddana>;
+ status = "okay";
+ };
};
--
2.7.4
