Re: [PATCH 3/4] dt-bindings: iio: adc: Migrate AD7606 documentation to yaml

From: Rob Herring
Date: Fri Aug 02 2019 - 09:42:12 EST


On Fri, Aug 2, 2019 at 4:03 AM Beniamin Bia <beniamin.bia@xxxxxxxxxx> 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@xxxxxxxxxx>
> ---
> .../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@xxxxxxxxxx>
> + - Stefan Popa <stefan.popa@xxxxxxxxxx>
> +
> +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 Â10V for
> + all channels. If this pin is tied to a logic low, the analog input range
> + is Â5V 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@xxxxxxxxxxxxxxx
> 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@xxxxxxxxxx>
> --
> 2.17.1
>