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| -rw-r--r-- | Documentation/devicetree/bindings/iio/adc/axp20x_adc.txt | 48 |
1 files changed, 48 insertions, 0 deletions
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 000000000000..7a6313913923 --- /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 |