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@xxxxxxxxxxxxxxxxxx> Reviewed-by: Rob Herring <robh@xxxxxxxxxx> --- Documentation/devicetree/bindings/iio/adc/axp20x_adc.txt | 48 +++++++++- 1 file changed, 48 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/adc/axp20x_adc.txt diff --git a/Documentation/devicetree/bindings/iio/adc/axp20x_adc.txt b/Documentation/devicetree/bindings/iio/adc/axp20x_adc.txt new file mode 100644 index 0000000..7a63139 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/axp20x_adc.txt @@ -0,0 +1,48 @@ +* 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 -- git-series 0.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-iio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html