[PATCH v2 1/3] arm64: dts: imx8qm-mek: add adc0 support

Frank Li
2024-02-27T19:31:27Z

Add adc0 for imx8qm-mek board.

Signed-off-by: Frank Li <Frank.Li@nxp.com>
---

Notes:
Change from v1 to v2
- none

arch/arm64/boot/dts/freescale/imx8qm-mek.dts | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8qm-mek.dts b/arch/arm64/boot/dts/freescale/imx8qm-mek.dts
index 77ac0efdfaada..0c4972724b041 100644
--- a/arch/arm64/boot/dts/freescale/imx8qm-mek.dts
+++ b/arch/arm64/boot/dts/freescale/imx8qm-mek.dts
@@ -39,6 +39,20 @@ reg_usdhc2_vmmc: usdhc2-vmmc {
gpio = <&lsio_gpio4 19 GPIO_ACTIVE_HIGH>;
enable-active-high;
};
+
+ reg_vref_1v8: regulator-adc-vref {
+ compatible = "regulator-fixed";
+ regulator-name = "vref_1v8";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ };
+};
+
+&adc0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_adc0>;
+ vref-supply = <&reg_vref_1v8>;
+ status = "okay";
};

&i2c1 {
@@ -130,6 +144,12 @@ IMX8QM_GPT0_CAPTURE_LSIO_GPIO0_IO15 0xc600004c
>;
};

+ pinctrl_adc0: adc0grp {
+ fsl,pins = <
+ IMX8QM_ADC_IN0_DMA_ADC0_IN0 0xc0000060
+ >;
+ };
+
pinctrl_fec1: fec1grp {
fsl,pins = <
IMX8QM_ENET0_MDC_CONN_ENET0_MDC 0x06000020