From mboxrd@z Thu Jan 1 00:00:00 1970 From: robh@kernel.org (Rob Herring) Date: Thu, 11 Jan 2018 16:07:36 -0600 Subject: [PATCH v2 02/16] dt-bindings: iio: adc: add binding for X-Powers AXP PMICs ADC In-Reply-To: References: Message-ID: <20180111220736.xkcen5cr5cexihle@rob-hp-laptop> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Tue, Jan 09, 2018 at 10:33:33AM +0100, Quentin Schulz wrote: > 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 > --- > Documentation/devicetree/bindings/iio/adc/axp20x_adc.txt | 39 +++++++++- > 1 file changed, 39 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..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 > + 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