From 62c62c949484950b5544b495c9655481bedf9da3 Mon Sep 17 00:00:00 2001 From: Haibo Chen Date: Wed, 14 Aug 2019 19:19:39 +0800 Subject: ARM64: dts: add ADC support for imx8qm Add ADC support for imx8qm-mek board. Signed-off-by: Haibo Chen --- arch/arm64/boot/dts/freescale/imx8qm-mek.dts | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) (limited to 'arch/arm64/boot/dts/freescale/imx8qm-mek.dts') diff --git a/arch/arm64/boot/dts/freescale/imx8qm-mek.dts b/arch/arm64/boot/dts/freescale/imx8qm-mek.dts index f7b41786cb0b..9d2cfafc84fb 100644 --- a/arch/arm64/boot/dts/freescale/imx8qm-mek.dts +++ b/arch/arm64/boot/dts/freescale/imx8qm-mek.dts @@ -153,6 +153,20 @@ enable-active-high; vin-supply = <®_can2_en>; }; + + 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"; }; &cm41_i2c { @@ -587,6 +601,12 @@ >; }; + pinctrl_adc0: adc0grp { + fsl,pins = < + IMX8QM_ADC_IN0_DMA_ADC0_IN0 0xc0000060 + >; + }; + pinctrl_fec1: fec1grp { fsl,pins = < IMX8QM_COMP_CTL_GPIO_1V8_3V3_ENET_ENETB_PAD 0x000014a0 -- cgit v1.2.3