dt-bindings: iio: adc: add binding for X-Powers AXP PMICs ADC (22042a6e) · Commits · 戴 / test

X-Powers PMICs have several ADC channels that can be used for different purposes, e.g. PMIC internal temperature, battery voltage or AC current. This is the documentation for AXP209, AXP221/223 and AXP813 ADC bindings. Signed-off-by:

Quentin Schulz <quentin.schulz@free-electrons.com> Reviewed-by:

Rob Herring <robh@kernel.org> Signed-off-by:

Jonathan Cameron <Jonathan.Cameron@huawei.com>

Documentation/devicetree/bindings/iio/adc/axp20x_adc.txt

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		* X-Powers AXP ADC bindings

		Required properties:
		- compatible: should be one of:
		- "x-powers,axp209-adc",
		- "x-powers,axp221-adc",
		- "x-powers,axp813-adc",
		- #io-channel-cells: should be 1,

		Example:

		&axp22x {
		adc {
		compatible = "x-powers,axp221-adc";
		#io-channel-cells = <1>;
		};
		};

		ADC channels and their indexes per variant:

		AXP209
		------
		0 \| acin_v
		1 \| acin_i
		2 \| vbus_v
		3 \| vbus_i
		4 \| pmic_temp
		5 \| gpio0_v
		6 \| gpio1_v
		7 \| ipsout_v
		8 \| batt_v
		9 \| batt_chrg_i
		10 \| batt_dischrg_i

		AXP22x
		------
		0 \| pmic_temp
		1 \| batt_v
		2 \| batt_chrg_i
		3 \| batt_dischrg_i

		AXP813
		------
		0 \| pmic_temp
		1 \| gpio0_v
		2 \| batt_v
		3 \| batt_chrg_i
		4 \| batt_dischrg_i

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