From cfa4b3fb2ad31bee42b36e49e1bea980a517180d Mon Sep 17 00:00:00 2001 From: Eugen Hristev Date: Wed, 19 Sep 2018 15:39:53 +0300 Subject: [PATCH] ARM: dts: at91: sama5d27_som1_ek: add adc regulators 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 Signed-off-by: Ludovic Desroches Signed-off-by: Eugen Hristev Signed-off-by: Alexandre Belloni --- 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 e86e0c00eb6b1..363a43d774242 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"; + }; }; -- 2.39.5