On Tue, 5 Sep 2017 11:27:00 +0200
Lukas Wunner <lukas@xxxxxxxxx> wrote:
> Add device tree bindings for Texas Instruments 8/10/12-bit 2/4-channel
> DAC driver.
>
> Cc: Mathias Duckeck <m.duckeck@xxxxxxxxx>
> Signed-off-by: Lukas Wunner <lukas@xxxxxxxxx>
Looks good for me. Lets see what Mark / Rob think.
Thanks,
Jonathan
> ---
> .../devicetree/bindings/iio/dac/ti-dac082s085.txt | 34 ++++++++++++++++++++++
> 1 file changed, 34 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/iio/dac/ti-dac082s085.txt
>
> diff --git a/Documentation/devicetree/bindings/iio/dac/ti-dac082s085.txt b/Documentation/devicetree/bindings/iio/dac/ti-dac082s085.txt
> new file mode 100644
> index 000000000000..9cb0e10df704
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/dac/ti-dac082s085.txt
> @@ -0,0 +1,34 @@
> +Texas Instruments 8/10/12-bit 2/4-channel DAC driver
> +
> +Required properties:
> + - compatible: Must be one of:
> + "ti,dac082s085"
> + "ti,dac102s085"
> + "ti,dac122s085"
> + "ti,dac084s085"
> + "ti,dac104s085"
> + "ti,dac124s085"
> + - reg: Chip select number.
> + - spi-cpha, spi-cpol: SPI mode (0,1) or (1,0) must be used, so specify
> + either spi-cpha or spi-cpol (but not both).
> + - vref-supply: Phandle to the external reference voltage supply.
> +
> +For other required and optional properties of SPI slave nodes please refer to
> +../../spi/spi-bus.txt.
> +
> +Example:
> + vref_2v5_reg: regulator-vref {
> + compatible = "regulator-fixed";
> + regulator-name = "2v5";
> + regulator-min-microvolt = <2500000>;
> + regulator-max-microvolt = <2500000>;
> + regulator-always-on;
> + };
> +
> + dac@0 {
> + compatible = "ti,dac082s085";
> + reg = <0>;
> + spi-max-frequency = <40000000>;
> + spi-cpol;
> + vref-supply = <&vref_2v5_reg>;
> + };
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