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Message-ID: <20201221184434.GA331914@robh.at.kernel.org>
Date: Mon, 21 Dec 2020 11:44:34 -0700
From: Rob Herring <robh@...nel.org>
To: Cristian Pop <cristian.pop@...log.com>
Cc: linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org,
jic23@...nel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH v4 1/3] dt-bindings: iio: dac: AD5766 yaml documentation
On Fri, Dec 18, 2020 at 07:12:29PM +0200, Cristian Pop wrote:
> This adds device tree bindings for the AD5766 DAC.
>
> Signed-off-by: Cristian Pop <cristian.pop@...log.com>
> ---
> Changelog v4:
> - Add range selection
> - Reset is GPIO_ACTIVE_LOW
>
> .../bindings/iio/dac/adi,ad5766.yaml | 64 +++++++++++++++++++
> 1 file changed, 64 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/iio/dac/adi,ad5766.yaml
>
> diff --git a/Documentation/devicetree/bindings/iio/dac/adi,ad5766.yaml b/Documentation/devicetree/bindings/iio/dac/adi,ad5766.yaml
> new file mode 100644
> index 000000000000..846b5ee50761
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/dac/adi,ad5766.yaml
> @@ -0,0 +1,64 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +# Copyright 2020 Analog Devices Inc.
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/iio/dac/adi,ad5766.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Analog Devices AD5766 DAC device driver
> +
> +maintainers:
> + - Cristian Pop <cristian.pop@...log.com>
> +
> +description: |
> + Bindings for the Analog Devices AD5766 current DAC device. Datasheet can be
> + found here:
> + https://www.analog.com/media/en/technical-documentation/data-sheets/ad5766-5767.pdf
> +
> +properties:
> + compatible:
> + enum:
> + - adi,ad5766
> + - adi,ad5767
> +
> + output-range:
> + description: Select converter output range.
Something standard for DACs? If not needs a vendor prefix and type.
> +
> + reg:
> + maxItems: 1
> +
> + spi-max-frequency:
> + maximum: 1000000
> +
> + spi-cpol: true
> +
> + reset-gpios:
> + description: GPIO spec for the RESET pin. If specified, it will be asserted
> + during driver probe. As the line is active low, it should be marked
> + GPIO_ACTIVE_LOW.
> + maxItems: 1
> +
> +required:
> + - compatible
> + - output-range
> + - reg
> + - spi-max-frequency
> + - spi-cpol
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + spi {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + ad5766@0 {
> + compatible = "adi,ad5766";
> + output-range = <(-5) 5>;
> + reg = <0>;
> + spi-cpol;
> + spi-max-frequency = <1000000>;
> + reset-gpios = <&gpio 22 0>;
> + };
> + };
> --
> 2.17.1
>
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