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Message-Id: <20240226203358.275986-1-Frank.Li@nxp.com>
Date: Mon, 26 Feb 2024 15:33:55 -0500
From: Frank Li <Frank.Li@....com>
To: Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>,
Shawn Guo <shawnguo@...nel.org>,
Sascha Hauer <s.hauer@...gutronix.de>,
Pengutronix Kernel Team <kernel@...gutronix.de>,
Fabio Estevam <festevam@...il.com>,
devicetree@...r.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS),
imx@...ts.linux.dev (open list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE),
linux-arm-kernel@...ts.infradead.org (moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE),
linux-kernel@...r.kernel.org (open list)
Subject: [PATCH 1/3] arm64: dts: imx8qm-mek: add adc0 support
Add adc0 for imx8qm-mek board.
Signed-off-by: Frank Li <Frank.Li@....com>
---
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 = <®_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
--
2.34.1
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