[PATCH v3 3/3] arm64: dts: imx93: add ADC support

[haibo.chen@nxp.com]

From: Haibo Chen <haibo.chen@nxp.com>

Add ADC support for imx93-11x11-evk board.

Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
---
 arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts | 12 ++++++++++++
 arch/arm64/boot/dts/freescale/imx93.dtsi          | 13 +++++++++++++
 2 files changed, 25 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts b/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
index 69786c326db0..cab5f4d66bf9 100644
--- a/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
@@ -15,6 +15,13 @@ chosen {
 		stdout-path = &lpuart1;
 	};
 
+	reg_vref_1v8: regulator-adc-vref {
+		compatible = "regulator-fixed";
+		regulator-name = "vref_1v8";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+	};
+
 	reg_usdhc2_vmmc: regulator-usdhc2 {
 		compatible = "regulator-fixed";
 		pinctrl-names = "default";
@@ -27,6 +34,11 @@ reg_usdhc2_vmmc: regulator-usdhc2 {
 	};
 };
 
+&adc1 {
+	vref-supply = <&reg_vref_1v8>;
+	status = "okay";
+};
+
 &mu1 {
 	status = "okay";
 };
diff --git a/arch/arm64/boot/dts/freescale/imx93.dtsi b/arch/arm64/boot/dts/freescale/imx93.dtsi
index 5d79663b3b84..a0d39dd34591 100644
--- a/arch/arm64/boot/dts/freescale/imx93.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx93.dtsi
@@ -266,6 +266,19 @@ anatop: anatop@44480000 {
 				compatible = "fsl,imx93-anatop", "syscon";
 				reg = <0x44480000 0x10000>;
 			};
+
+			adc1: adc@44530000 {
+				compatible = "nxp,imx93-adc";
+				reg = <0x44530000 0x10000>;
+				interrupts = <GIC_SPI 217 IRQ_TYPE_LEVEL_HIGH>,
+					     <GIC_SPI 218 IRQ_TYPE_LEVEL_HIGH>,
+					     <GIC_SPI 219 IRQ_TYPE_LEVEL_HIGH>,
+					     <GIC_SPI 268 IRQ_TYPE_LEVEL_HIGH>;
+				clocks = <&clk IMX93_CLK_ADC1_GATE>;
+				clock-names = "ipg";
+				#io-channel-cells = <1>;
+				status = "disabled";
+			};
 		};
 
 		aips2: bus@42000000 {
-- 
2.34.1