Re: [PATCH v2 02/16] dt-bindings: iio: adc: add binding for X-Powers AXP PMICs ADC
From: Rob Herring <robh@kernel.org>
Date: 2018-01-11 22:07:41
Also in:
linux-arm-kernel, linux-iio, linux-pm, lkml
On Tue, Jan 09, 2018 at 10:33:33AM +0100, Quentin Schulz wrote:
quoted hunk ↗ jump to hunk
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 ADC bindings. Signed-off-by: Quentin Schulz <redacted> --- Documentation/devicetree/bindings/iio/adc/axp20x_adc.txt | 39 +++++++++- 1 file changed, 39 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/adc/axp20x_adc.txtdiff --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..ed6d04e --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/axp20x_adc.txt@@ -0,0 +1,39 @@ +* X-Powers AXP ADC bindings + +Required properties: + - compatible: should be one of: + - "x-powers,axp20x-adc", + - "x-powers,axp22x-adc", + - #io-channel-cells: should be 1, + +Example: + +&axp22x { + axp_adc: axp-adc {
adc {
With that,
Reviewed-by: Rob Herring <robh@kernel.org>
+ compatible = "x-powers,axp22x-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 -- git-series 0.9.1