Re: [PATCH 2/3] iio: potentiometer: mcp4531: Add device tree binding documentation
From: Rob Herring
Date: Tue Jun 21 2016 - 17:44:41 EST
On Tue, Jun 21, 2016 at 08:55:36AM +0200, Florian Vaussard wrote:
> Add the device tree documentation for all the supported parts. Apart the
> compatible string and standard I2C binding, no other binding is currently
> needed.
>
> Signed-off-by: Florian Vaussard <florian.vaussard@xxxxxxxxxx>
> ---
> .../bindings/iio/potentiometer/mcp4531.txt | 84 ++++++++++++++++++++++
> 1 file changed, 84 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/iio/potentiometer/mcp4531.txt
>
> diff --git a/Documentation/devicetree/bindings/iio/potentiometer/mcp4531.txt b/Documentation/devicetree/bindings/iio/potentiometer/mcp4531.txt
> new file mode 100644
> index 0000000..b052299
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/potentiometer/mcp4531.txt
> @@ -0,0 +1,84 @@
> +* Microchip MCP453X/454X/455X/456X/463X/464X/465X/466X Digital Potentiometer
> + driver
> +
> +The node for this driver must be a child node of a I2C controller, hence
> +all mandatory properties for your controller must be specified. See directory:
> +
> + Documentation/devicetree/bindings/i2c
> +
> +for more details.
> +
> +Required properties:
> + - compatible: Must be one of the following, depending on the
> + model:
> + "microchip,mcp4531-502"
These can go in trivial-devices.txt
> + "microchip,mcp4531-103"
> + "microchip,mcp4531-503"
> + "microchip,mcp4531-104"
> + "microchip,mcp4532-502"
> + "microchip,mcp4532-103"
> + "microchip,mcp4532-503"
> + "microchip,mcp4532-104"
> + "microchip,mcp4541-502"
> + "microchip,mcp4541-103"
> + "microchip,mcp4541-503"
> + "microchip,mcp4541-104"
> + "microchip,mcp4542-502"
> + "microchip,mcp4542-103"
> + "microchip,mcp4542-503"
> + "microchip,mcp4542-104"
> + "microchip,mcp4551-502"
> + "microchip,mcp4551-103"
> + "microchip,mcp4551-503"
> + "microchip,mcp4551-104"
> + "microchip,mcp4552-502"
> + "microchip,mcp4552-103"
> + "microchip,mcp4552-503"
> + "microchip,mcp4552-104"
> + "microchip,mcp4561-502"
> + "microchip,mcp4561-103"
> + "microchip,mcp4561-503"
> + "microchip,mcp4561-104"
> + "microchip,mcp4562-502"
> + "microchip,mcp4562-103"
> + "microchip,mcp4562-503"
> + "microchip,mcp4562-104"
> + "microchip,mcp4631-502"
> + "microchip,mcp4631-103"
> + "microchip,mcp4631-503"
> + "microchip,mcp4631-104"
> + "microchip,mcp4632-502"
> + "microchip,mcp4632-103"
> + "microchip,mcp4632-503"
> + "microchip,mcp4632-104"
> + "microchip,mcp4641-502"
> + "microchip,mcp4641-103"
> + "microchip,mcp4641-503"
> + "microchip,mcp4641-104"
> + "microchip,mcp4642-502"
> + "microchip,mcp4642-103"
> + "microchip,mcp4642-503"
> + "microchip,mcp4642-104"
> + "microchip,mcp4651-502"
> + "microchip,mcp4651-103"
> + "microchip,mcp4651-503"
> + "microchip,mcp4651-104"
> + "microchip,mcp4652-502"
> + "microchip,mcp4652-103"
> + "microchip,mcp4652-503"
> + "microchip,mcp4652-104"
> + "microchip,mcp4661-502"
> + "microchip,mcp4661-103"
> + "microchip,mcp4661-503"
> + "microchip,mcp4661-104"
> + "microchip,mcp4662-502"
> + "microchip,mcp4662-103"
> + "microchip,mcp4662-503"
> + "microchip,mcp4662-104"
> + -reg: Slave I2C address of the potentiometer
> +
> +Example:
> +mcp4561: mcp4561@2e {
> + compatible = "microchip,mcp4561-103";
> + reg = <0x2e>;
> +};
> --
> 2.5.0
>