| Message ID | 20190802100304.15899-3-beniamin.bia@analog.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [1/4] iio: adc: ad7606: Add support for AD7606B ADC | expand |
On Fri, Aug 2, 2019 at 4:03 AM Beniamin Bia <beniamin.bia@analog.com> wrote: > > The documentation for ad7606 was migrated to yaml, the new Linux Kernel > standard. Did you forget to delete the old file? It's a DT, not kernel standard really. > > Signed-off-by: Beniamin Bia <beniamin.bia@analog.com> > --- > .../bindings/iio/adc/adi,ad7606.yaml | 134 ++++++++++++++++++ > MAINTAINERS | 2 +- > 2 files changed, 135 insertions(+), 1 deletion(-) > create mode 100644 Documentation/devicetree/bindings/iio/adc/adi,ad7606.yaml > > diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7606.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad7606.yaml > new file mode 100644 > index 000000000000..509dbe9c84d2 > --- /dev/null > +++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7606.yaml > @@ -0,0 +1,134 @@ > +# SPDX-License-Identifier: GPL-2.0 > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/iio/adc/adi,ad7606.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Analog Devices AD7606 Simultaneous Sampling ADC > + > +maintainers: > + - Beniamin Bia <beniamin.bia@analog.com> > + - Stefan Popa <stefan.popa@analog.com> > + > +description: | > + Analog Devices AD7606 Simultaneous Sampling ADC > + https://www.analog.com/media/en/technical-documentation/data-sheets/ad7606_7606-6_7606-4.pdf > + https://www.analog.com/media/en/technical-documentation/data-sheets/AD7616.pdf > + > +properties: > + compatible: > + enum: > + - adi,ad7605-4 > + - adi,ad7606-8 > + - adi,ad7606-6 > + - adi,ad7606-4 > + - adi,ad7616 > + > + reg: > + maxItems: 1 > + > + spi-cpha: true > + > + avcc-supply: > + description: > + Phandle to the Avcc power supply > + maxItems: 1 > + > + interrupts: > + maxItems: 1 > + > + adi,conversion-start-gpios: > + description: > + Must be the device tree identifier of the CONVST pin. > + This logic input is used to initiate conversions on the analog > + input channels. As the line is active high, it should be marked > + GPIO_ACTIVE_HIGH. > + maxItems: 1 > + > + reset-gpios: > + description: > + Must be the device tree identifier of the RESET pin. If specified, > + it will be asserted during driver probe. As the line is active high, > + it should be marked GPIO_ACTIVE_HIGH. > + maxItems: 1 > + > + standby-gpios: > + description: > + Must be the device tree identifier of the STBY pin. This pin is used > + to place the AD7606 into one of two power-down modes, Standby mode or > + Shutdown mode. As the line is active low, it should be marked > + GPIO_ACTIVE_LOW. > + maxItems: 1 > + > + adi,first-data-gpios: > + description: > + Must be the device tree identifier of the FRSTDATA pin. > + The FRSTDATA output indicates when the first channel, V1, is > + being read back on either the parallel, byte or serial interface. > + As the line is active high, it should be marked GPIO_ACTIVE_HIGH. > + maxItems: 1 > + > + adi,range-gpios: > + description: > + Must be the device tree identifier of the RANGE pin. The polarity on > + this pin determines the input range of the analog input channels. If > + this pin is tied to a logic high, the analog input range is ±10V for > + all channels. If this pin is tied to a logic low, the analog input range > + is ±5V for all channels. As the line is active high, it should be marked > + GPIO_ACTIVE_HIGH. > + maxItems: 1 > + > + adi,oversampling-ratio-gpios: > + description: > + Must be the device tree identifier of the over-sampling > + mode pins. As the line is active high, it should be marked > + GPIO_ACTIVE_HIGH. > + maxItems: 1 > + > + adi,sw-mode: > + description: > + Software mode of operation, so far available only for ad7616. > + It is enabled when all three oversampling mode pins are connected to > + high level. The device is configured by the corresponding registers. If the > + adi,oversampling-ratio-gpios property is defined, then the driver will set the > + oversampling gpios to high. Otherwise, it is assumed that the pins are hardwired > + to VDD. > + maxItems: 1 > + type: boolean > + > +required: > + - compatible > + - reg > + - spi-cpha > + - avcc-supply > + - interrupts > + - adi,conversion-start-gpios > + > +examples: > + - | > + spi0 { > + #address-cells = <1>; > + #size-cells = <0>; > + > + adc@0 { > + compatible = "adi,ad7606-8"; > + reg = <0>; > + spi-max-frequency = <1000000>; > + spi-cpol; > + > + avcc-supply = <&adc_vref>; > + > + interrupts = <25 IRQ_TYPE_EDGE_FALLING>; > + interrupt-parent = <&gpio>; > + > + adi,conversion-start-gpios = <&gpio 17 GPIO_ACTIVE_HIGH>; > + reset-gpios = <&gpio 27 GPIO_ACTIVE_HIGH>; > + adi,first-data-gpios = <&gpio 22 GPIO_ACTIVE_HIGH>; > + adi,oversampling-ratio-gpios = <&gpio 18 GPIO_ACTIVE_HIGH > + &gpio 23 GPIO_ACTIVE_HIGH > + &gpio 26 GPIO_ACTIVE_HIGH>; > + standby-gpios = <&gpio 24 GPIO_ACTIVE_LOW>; > + adi,sw-mode; > + }; > + }; > +... > diff --git a/MAINTAINERS b/MAINTAINERS > index 052d7a8591fb..d2e465772071 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -900,7 +900,7 @@ L: linux-iio@vger.kernel.org > W: http://ez.analog.com/community/linux-device-drivers > S: Supported > F: drivers/iio/adc/ad7606.c > -F: Documentation/devicetree/bindings/iio/adc/adi,ad7606.txt > +F: Documentation/devicetree/bindings/iio/adc/adi,ad7606.yaml > > ANALOG DEVICES INC AD7768-1 DRIVER > M: Stefan Popa <stefan.popa@analog.com> > -- > 2.17.1 >
diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7606.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad7606.yaml new file mode 100644 index 000000000000..509dbe9c84d2 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7606.yaml @@ -0,0 +1,134 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/adi,ad7606.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Analog Devices AD7606 Simultaneous Sampling ADC + +maintainers: + - Beniamin Bia <beniamin.bia@analog.com> + - Stefan Popa <stefan.popa@analog.com> + +description: | + Analog Devices AD7606 Simultaneous Sampling ADC + https://www.analog.com/media/en/technical-documentation/data-sheets/ad7606_7606-6_7606-4.pdf + https://www.analog.com/media/en/technical-documentation/data-sheets/AD7616.pdf + +properties: + compatible: + enum: + - adi,ad7605-4 + - adi,ad7606-8 + - adi,ad7606-6 + - adi,ad7606-4 + - adi,ad7616 + + reg: + maxItems: 1 + + spi-cpha: true + + avcc-supply: + description: + Phandle to the Avcc power supply + maxItems: 1 + + interrupts: + maxItems: 1 + + adi,conversion-start-gpios: + description: + Must be the device tree identifier of the CONVST pin. + This logic input is used to initiate conversions on the analog + input channels. As the line is active high, it should be marked + GPIO_ACTIVE_HIGH. + maxItems: 1 + + reset-gpios: + description: + Must be the device tree identifier of the RESET pin. If specified, + it will be asserted during driver probe. As the line is active high, + it should be marked GPIO_ACTIVE_HIGH. + maxItems: 1 + + standby-gpios: + description: + Must be the device tree identifier of the STBY pin. This pin is used + to place the AD7606 into one of two power-down modes, Standby mode or + Shutdown mode. As the line is active low, it should be marked + GPIO_ACTIVE_LOW. + maxItems: 1 + + adi,first-data-gpios: + description: + Must be the device tree identifier of the FRSTDATA pin. + The FRSTDATA output indicates when the first channel, V1, is + being read back on either the parallel, byte or serial interface. + As the line is active high, it should be marked GPIO_ACTIVE_HIGH. + maxItems: 1 + + adi,range-gpios: + description: + Must be the device tree identifier of the RANGE pin. The polarity on + this pin determines the input range of the analog input channels. If + this pin is tied to a logic high, the analog input range is ±10V for + all channels. If this pin is tied to a logic low, the analog input range + is ±5V for all channels. As the line is active high, it should be marked + GPIO_ACTIVE_HIGH. + maxItems: 1 + + adi,oversampling-ratio-gpios: + description: + Must be the device tree identifier of the over-sampling + mode pins. As the line is active high, it should be marked + GPIO_ACTIVE_HIGH. + maxItems: 1 + + adi,sw-mode: + description: + Software mode of operation, so far available only for ad7616. + It is enabled when all three oversampling mode pins are connected to + high level. The device is configured by the corresponding registers. If the + adi,oversampling-ratio-gpios property is defined, then the driver will set the + oversampling gpios to high. Otherwise, it is assumed that the pins are hardwired + to VDD. + maxItems: 1 + type: boolean + +required: + - compatible + - reg + - spi-cpha + - avcc-supply + - interrupts + - adi,conversion-start-gpios + +examples: + - | + spi0 { + #address-cells = <1>; + #size-cells = <0>; + + adc@0 { + compatible = "adi,ad7606-8"; + reg = <0>; + spi-max-frequency = <1000000>; + spi-cpol; + + avcc-supply = <&adc_vref>; + + interrupts = <25 IRQ_TYPE_EDGE_FALLING>; + interrupt-parent = <&gpio>; + + adi,conversion-start-gpios = <&gpio 17 GPIO_ACTIVE_HIGH>; + reset-gpios = <&gpio 27 GPIO_ACTIVE_HIGH>; + adi,first-data-gpios = <&gpio 22 GPIO_ACTIVE_HIGH>; + adi,oversampling-ratio-gpios = <&gpio 18 GPIO_ACTIVE_HIGH + &gpio 23 GPIO_ACTIVE_HIGH + &gpio 26 GPIO_ACTIVE_HIGH>; + standby-gpios = <&gpio 24 GPIO_ACTIVE_LOW>; + adi,sw-mode; + }; + }; +... diff --git a/MAINTAINERS b/MAINTAINERS index 052d7a8591fb..d2e465772071 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -900,7 +900,7 @@ L: linux-iio@vger.kernel.org W: http://ez.analog.com/community/linux-device-drivers S: Supported F: drivers/iio/adc/ad7606.c -F: Documentation/devicetree/bindings/iio/adc/adi,ad7606.txt +F: Documentation/devicetree/bindings/iio/adc/adi,ad7606.yaml ANALOG DEVICES INC AD7768-1 DRIVER M: Stefan Popa <stefan.popa@analog.com>
The documentation for ad7606 was migrated to yaml, the new Linux Kernel standard. Signed-off-by: Beniamin Bia <beniamin.bia@analog.com> --- .../bindings/iio/adc/adi,ad7606.yaml | 134 ++++++++++++++++++ MAINTAINERS | 2 +- 2 files changed, 135 insertions(+), 1 deletion(-) create mode 100644 Documentation/devicetree/bindings/iio/adc/adi,ad7606.yaml