From mboxrd@z Thu Jan 1 00:00:00 1970 From: Miquel Raynal Subject: [PATCH v3 8/8] dt-bindings: Add max12xx SPI ADC series as trivial devices Date: Mon, 7 Oct 2019 15:26:57 +0200 Message-ID: <20191007132657.4190-9-miquel.raynal@bootlin.com> References: <20191007132657.4190-1-miquel.raynal@bootlin.com> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20191007132657.4190-1-miquel.raynal@bootlin.com> Sender: linux-kernel-owner@vger.kernel.org To: Jonathan Cameron , Hartmut Knaack , Lars-Peter Clausen , Peter Meerwald-Stadler , Rob Herring , Mark Rutland Cc: devicetree@vger.kernel.org, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, Thomas Petazzoni , Miquel Raynal List-Id: devicetree@vger.kernel.org Update the compatible list with three Maxim ADCs compatibles. Signed-off-by: Miquel Raynal --- .../bindings/iio/adc/max1027-adc.txt | 28 +++++++++++++++++++ .../devicetree/bindings/trivial-devices.yaml | 6 ++++ 2 files changed, 34 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/adc/max1027-adc.txt diff --git a/Documentation/devicetree/bindings/iio/adc/max1027-adc.txt b/Documentation/devicetree/bindings/iio/adc/max1027-adc.txt new file mode 100644 index 000000000000..1b703a01d882 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/max1027-adc.txt @@ -0,0 +1,28 @@ +* Maxim 1027/1029/1031/1227/1229/1231 Analog to Digital Converter (ADC) + +Required properties: + - compatible: Should be one of: + * "maxim,max1027" + * "maxim,max1029" + * "maxim,max1031" + * "maxim,max1227" + * "maxim,max1229" + * "maxim,max1231" + - reg: SPI chip select number for the device + +Optional properties: + - interrupts: IRQ line for the ADC + see: Documentation/devicetree/bindings/interrupt-controller/interrupts.txt + +Recommended properties: +- spi-max-frequency: Definition as per + Documentation/devicetree/bindings/spi/spi-bus.txt + +Example: +adc@0 { + compatible = "maxim,max1027"; + reg = <0>; + interrupt-parent = <&gpio5>; + interrupts = <15 IRQ_TYPE_EDGE_RISING>; + spi-max-frequency = <1000000>; +}; diff --git a/Documentation/devicetree/bindings/trivial-devices.yaml b/Documentation/devicetree/bindings/trivial-devices.yaml index e0095ecb472f..765fd1c170df 100644 --- a/Documentation/devicetree/bindings/trivial-devices.yaml +++ b/Documentation/devicetree/bindings/trivial-devices.yaml @@ -120,6 +120,12 @@ properties: - maxim,max1029 # 10-bit 16 channels 300ks/s SPI ADC with temperature sensor - maxim,max1031 + # 12-bit 8 channels 300ks/s SPI ADC with temperature sensor + - maxim,max1227 + # 12-bit 12 channels 300ks/s SPI ADC with temperature sensor + - maxim,max1229 + # 12-bit 16 channels 300ks/s SPI ADC with temperature sensor + - maxim,max1231 # Low-Power, 4-/12-Channel, 2-Wire Serial, 12-Bit ADCs - maxim,max1237 # PECI-to-I2C translator for PECI-to-SMBus/I2C protocol conversion -- 2.20.1