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Date: Sun, 19 Nov 2023 13:47:34 +0000
From: Conor Dooley <conor@kernel.org>
To: Anshul Dalal <anshulusr@gmail.com>
Cc: linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org,
	devicetree@vger.kernel.org, Conor Dooley <conor+dt@kernel.org>,
	Lars-Peter Clausen <lars@metafoo.de>,
	Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	linux-kernel-mentees@lists.linuxfoundation.org,
	Jonathan Cameron <jic23@kernel.org>,
	Shuah Khan <skhan@linuxfoundation.org>
Subject: Re: [PATCH 1/2] dt-bindings: iio: dac: add MCP4821
Message-ID: <20231119-surpass-cheer-9dc3838b766f@spud>
References: <20231117073040.685860-1-anshulusr@gmail.com>
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On Fri, Nov 17, 2023 at 01:00:37PM +0530, Anshul Dalal wrote:
> Adds support for MCP48xx series of DACs.
>=20
> Datasheet:
>   [MCP48x1] https://ww1.microchip.com/downloads/en/DeviceDoc/22244B.pdf
>   [MCP48x2] https://ww1.microchip.com/downloads/en/DeviceDoc/20002249B.pdf
>=20
> Signed-off-by: Anshul Dalal <anshulusr@gmail.com>

Reviewed-by: Conor Dooley <conor.dooley@microchip.com>

Cheers,
Conor.

> ---
>  .../bindings/iio/dac/microchip,mcp4821.yaml   | 63 +++++++++++++++++++
>  1 file changed, 63 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/iio/dac/microchip,m=
cp4821.yaml
>=20
> diff --git a/Documentation/devicetree/bindings/iio/dac/microchip,mcp4821.=
yaml b/Documentation/devicetree/bindings/iio/dac/microchip,mcp4821.yaml
> new file mode 100644
> index 000000000000..904de15300bd
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/dac/microchip,mcp4821.yaml
> @@ -0,0 +1,63 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/iio/dac/microchip,mcp4821.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Microchip MCP4821 and similar DACs
> +
> +description: |
> +  Supports MCP48x1 (single channel) and MCP48x2 (dual channel) series of=
 DACs.
> +  Device supports simplex communication over SPI in Mode 0,1 and Mode 1,=
1.
> +
> +  +---------+--------------+-------------+
> +  | Device  |  Resolution  |   Channels  |
> +  |---------|--------------|-------------|
> +  | MCP4801 |     8-bit    |      1      |
> +  | MCP4811 |    10-bit    |      1      |
> +  | MCP4821 |    12-bit    |      1      |
> +  | MCP4802 |     8-bit    |      2      |
> +  | MCP4812 |    10-bit    |      2      |
> +  | MCP4822 |    12-bit    |      2      |
> +  +---------+--------------+-------------+
> +
> +  Datasheet:
> +    MCP48x1: https://ww1.microchip.com/downloads/en/DeviceDoc/22244B.pdf
> +    MCP48x2: https://ww1.microchip.com/downloads/en/DeviceDoc/20002249B.=
pdf
> +
> +maintainers:
> +  - Anshul Dalal <anshulusr@gmail.com>
> +
> +properties:
> +  compatible:
> +    enum:
> +      - microchip,mcp4801
> +      - microchip,mcp4811
> +      - microchip,mcp4821
> +      - microchip,mcp4802
> +      - microchip,mcp4812
> +      - microchip,mcp4822
> +
> +  reg:
> +    maxItems: 1
> +
> +  vdd-supply: true
> +
> +required:
> +  - compatible
> +  - reg
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    spi {
> +        #address-cells =3D <1>;
> +        #size-cells =3D <0>;
> +
> +        dac@0 {
> +            compatible =3D "microchip,mcp4821";
> +            reg =3D <0>;
> +            vdd-supply =3D <&vdd_regulator>;
> +        };
> +    };
> --=20
> 2.42.1
>=20

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