[PATCH v6 3/3] arm64: dts: imx93: add ADC support
haibo.chen at nxp.com
haibo.chen at nxp.com
Tue Jan 17 05:51:37 PST 2023
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 | 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 27f9a9f33134..c928b6824e41 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 6808321ed809..abb3fbe4ba22 100644
--- a/arch/arm64/boot/dts/freescale/imx93.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx93.dtsi
@@ -280,6 +280,19 @@ 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";
+ #io-channel-cells = <1>;
+ status = "disabled";
+ };
};
aips2: bus at 42000000 {
--
2.34.1
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