Re: [PATCH 1/2] dt-bindings: iio: dac: ti-dac082s085: Document new driver
From: Jonathan Cameron <hidden>
Date: 2017-09-10 15:12:11
Also in:
linux-iio
On Tue, 5 Sep 2017 11:27:00 +0200 Lukas Wunner [off-list ref] wrote:
Add device tree bindings for Texas Instruments 8/10/12-bit 2/4-channel DAC driver. Cc: Mathias Duckeck <m.duckeck-XB/JSsFECOqzQB+pC5nmwQ@public.gmane.org> Signed-off-by: Lukas Wunner <lukas-JFq808J9C/izQB+pC5nmwQ@public.gmane.org>
Looks good for me. Lets see what Mark / Rob think. Thanks, Jonathan
quoted hunk
--- .../devicetree/bindings/iio/dac/ti-dac082s085.txt | 34 ++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/dac/ti-dac082s085.txtdiff --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>; + };