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ARM: dts: at91: sama5d27_som1_ek: add adc regulators

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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.gurumani@microchip.com>
Signed-off-by: Ludovic Desroches <ludovic.desroches@microchip.com>
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
This commit is contained in:
Eugen Hristev 2018-09-19 15:39:53 +03:00 committed by Alexandre Belloni
parent c890ecdbe9
commit f3cdc783ce
1 changed files with 42 additions and 0 deletions
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42
arch/arm/boot/dts/at91-sama5d27_som1_ek.dts
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@ -283,6 +283,13 @@ i2c1: i2c@fc028000 {
status = "okay";
};
adc: adc@fc030000 {
vddana-supply = <&vddana>;
vref-supply = <&advref>;
status = "disabled";
};
pinctrl@fc038000 {
pinctrl_can1_default: can1_default {
@ -549,4 +556,39 @@ blue {
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";
};
};