diff options
| author | Haibo Chen <haibo.chen@nxp.com> | 2018-06-14 16:00:26 +0800 |
|---|---|---|
| committer | Jason Liu <jason.hui.liu@nxp.com> | 2019-02-12 10:32:18 +0800 |
| commit | 1fb054b88b8095c66246f6226096eb23ef59e995 (patch) | |
| tree | 91a596cd808f5eca2ba3a1d62317b519760c13ab /arch/arm64/boot/dts/freescale/fsl-imx8x-arm2.dtsi | |
| parent | 483083f734fedd5156f9c53d56355c9ad0a2d2da (diff) | |
MLK-18612-2 ARM64: dts: fsl-imx8x-arm2: add ADC support
Add ADC support for imx8qxp b0 validation board, just enable ADC_IN0
and ADC_IN1, to support these two adc external analog input, need do
the following hardware rework: change register R335 and R338 from A
side to B side.
Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
Diffstat (limited to 'arch/arm64/boot/dts/freescale/fsl-imx8x-arm2.dtsi')
| -rw-r--r-- | arch/arm64/boot/dts/freescale/fsl-imx8x-arm2.dtsi | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/freescale/fsl-imx8x-arm2.dtsi b/arch/arm64/boot/dts/freescale/fsl-imx8x-arm2.dtsi index b38a2c3f880b..81072665359f 100644 --- a/arch/arm64/boot/dts/freescale/fsl-imx8x-arm2.dtsi +++ b/arch/arm64/boot/dts/freescale/fsl-imx8x-arm2.dtsi @@ -62,6 +62,13 @@ gpio = <&max7322 0 GPIO_ACTIVE_HIGH>; enable-active-high; }; + + reg_adc_vref_1v8: adc_vref_1v8 { + compatible = "regulator-fixed"; + regulator-name = "vref_1v8"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + }; }; sound-cs42888 { @@ -86,6 +93,13 @@ status = "okay"; }; +&adc0 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_adc0>; + vref-supply = <®_adc_vref_1v8>; + status = "okay"; +}; + &amix { status = "okay"; }; @@ -151,6 +165,13 @@ >; }; + pinctrl_adc0: adc0grp { + fsl,pins = < + SC_P_ADC_IN0_ADMA_ADC_IN0 0x60 + SC_P_ADC_IN1_ADMA_ADC_IN1 0x60 + >; + }; + pinctrl_csi0_lpi2c0: csi0lpi2c0grp { fsl,pins = < SC_P_MIPI_CSI0_I2C0_SCL_MIPI_CSI0_I2C0_SCL 0xc2000020 |