[PATCH v4 12/16] ARM: dts: microchip: sama7d65_curiosity: Enable ADC, DVFS

[Varshini Rajendran <varshini.rajendran@microchip.com>]

Enable ADC and DVFS on SAMA7D65 Curiosity board. Configure the necessary
power supply (vddana, vref) for the ADC, and enable cpu-supply for DVFS.

Signed-off-by: Varshini Rajendran <varshini.rajendran@microchip.com>
Reviewed-by: Claudiu Beznea <claudiu.beznea@tuxon.dev>
---
 .../dts/microchip/at91-sama7d65_curiosity.dts | 27 +++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/arch/arm/boot/dts/microchip/at91-sama7d65_curiosity.dts b/arch/arm/boot/dts/microchip/at91-sama7d65_curiosity.dts
index 927c27260b6c..c2d1e5308170 100644
--- a/arch/arm/boot/dts/microchip/at91-sama7d65_curiosity.dts
+++ b/arch/arm/boot/dts/microchip/at91-sama7d65_curiosity.dts
@@ -79,6 +79,14 @@ reg_5v: regulator-5v {
 	};
 };
 
+&adc {
+	vddana-supply = <&vddout25>;
+	vref-supply = <&vddout25>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_adc_default &pinctrl_adtrg_default>;
+	status = "okay";
+};
+
 &can1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_can1_default>;
@@ -97,6 +105,10 @@ &can3 {
 	status = "okay";
 };
 
+&cpu0 {
+	cpu-supply = <&vddcpu>;
+};
+
 &dma0 {
 	status = "okay";
 };
@@ -334,6 +346,16 @@ &main_xtal {
 };
 
 &pioa {
+	pinctrl_adc_default: adc-default {
+		pinmux = <PIN_PC5__GPIO>;
+		bias-disable;
+	};
+
+	pinctrl_adtrg_default: adtrg-default {
+		pinmux = <PIN_PB7__ADTRG>;
+		bias-pull-up;
+	};
+
 	pinctrl_can1_default: can1-default {
 		pinmux = <PIN_PD10__CANTX1>,
 			 <PIN_PD11__CANRX1>;
@@ -457,3 +479,8 @@ input@0 {
 &slow_xtal {
 	clock-frequency = <32768>;
 };
+
+&vddout25 {
+	vin-supply = <&vdd_3v3>;
+	status = "okay";
+};
-- 
2.34.1