From mboxrd@z Thu Jan 1 00:00:00 1970 From: quentin.schulz@free-electrons.com (Quentin Schulz) Date: Mon, 2 Jan 2017 17:37:01 +0100 Subject: [PATCH 01/22] dt-bindings: iio: adc: add AXP20X/AXP22X ADC DT binding In-Reply-To: <20170102163723.7939-1-quentin.schulz@free-electrons.com> References: <20170102163723.7939-1-quentin.schulz@free-electrons.com> Message-ID: <20170102163723.7939-2-quentin.schulz@free-electrons.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org The X-Powers AXP20X and AXP22X PMICs have multiple ADCs. They expose the battery voltage, battery charge and discharge currents, AC-in and VBUS voltages and currents, 2 GPIOs muxable in ADC mode and PMIC temperature. This adds the device tree binding documentation for the X-Powers AXP20X and AXP22X PMICs ADCs. Signed-off-by: Quentin Schulz --- .../devicetree/bindings/iio/adc/axp20x_adc.txt | 24 ++++++++++++++++++++++ 1 file changed, 24 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..1b60065 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/axp20x_adc.txt @@ -0,0 +1,24 @@ +X-Powers AXP20X and AXP22X PMIC Analog to Digital Converter (ADC) + +The X-Powers AXP20X and AXP22X PMICs have multiple ADCs. They expose the +battery voltage, battery charge and discharge currents, AC-in and VBUS +voltages and currents, 2 GPIOs muxable in ADC mode and PMIC temperature. + +The AXP22X PMICs do not have all ADCs of the AXP20X though. + +Required properties: + - compatible, one of: + "x-powers,axp209-adc" + "x-powers,axp221-adc" + - #io-channel-cells = <1>; + +This is a subnode of the AXP20X PMIC. + +Example: + +&axp209 { + axp209_adc: axp209_adc { + compatible = "x-powers,axp209-adc"; + #io-channel-cells = <1>; + }; +}; -- 2.9.3