[PATCH v2 3/3] arm64: dts: imx93: add ADC support
haibo.chen at nxp.com
haibo.chen at nxp.com
Wed Dec 14 05:35:39 PST 2022
From: Haibo Chen <haibo.chen at nxp.com>
Add ADC support for imx93-11x11-evk board.
Signed-off-by: Haibo Chen <haibo.chen at nxp.com>
---
arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts | 12 ++++++++++++
arch/arm64/boot/dts/freescale/imx93.dtsi | 12 ++++++++++++
2 files changed, 24 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 = <®_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..d29a8d375aa4 100644
--- a/arch/arm64/boot/dts/freescale/imx93.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx93.dtsi
@@ -266,6 +266,18 @@ anatop: anatop at 44480000 {
compatible = "fsl,imx93-anatop", "syscon";
reg = <0x44480000 0x10000>;
};
+
+ adc1: adc at 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";
+ status = "disabled";
+ };
};
aips2: bus at 42000000 {
--
2.34.1
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