diff mbox series

[v5,1/3] dt-bindings: iio: dac: AD5766 yaml documentation

Message ID 20210108183739.27634-1-cristian.pop@analog.com (mailing list archive)
State New
Headers show
Series [v5,1/3] dt-bindings: iio: dac: AD5766 yaml documentation | expand

Commit Message

Cristian Pop Jan. 8, 2021, 6:37 p.m. UTC
This adds device tree bindings for the AD5766 DAC.

Signed-off-by: Cristian Pop <cristian.pop@analog.com>
---
Changelog v5:                                                              
        -rename to property to "output-range-voltage"
 .../bindings/iio/dac/adi,ad5766.yaml          | 64 +++++++++++++++++++
 1 file changed, 64 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/dac/adi,ad5766.yaml

Comments

Rob Herring Jan. 11, 2021, 7:54 p.m. UTC | #1
On Fri, Jan 08, 2021 at 08:37:37PM +0200, Cristian Pop wrote:
> This adds device tree bindings for the AD5766 DAC.
> 
> Signed-off-by: Cristian Pop <cristian.pop@analog.com>
> ---
> Changelog v5:                                                              
>         -rename to property to "output-range-voltage"
>  .../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..1deace7c48b2
> --- /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@analog.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-volts:

Use a unit defined in property-units.txt (-microvolt).

> +    description: Select converter output range.
> +
> +  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.

'asserted during driver probe' is a Linux implementation detail not 
relevant to the binding.

> +    maxItems: 1
> +
> +required:
> +  - compatible
> +  - output-range-volts
> +  - reg
> +  - spi-max-frequency
> +  - spi-cpol
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    spi {
> +          #address-cells = <1>;
> +          #size-cells = <0>;
> +          
> +          ad5766@0 {
> +              compatible = "adi,ad5766";
> +              output-range-volts = <(-5) 5>;
> +              reg = <0>;
> +              spi-cpol;
> +              spi-max-frequency = <1000000>;
> +              reset-gpios = <&gpio 22 0>;
> +            };
> +      };
> -- 
> 2.17.1
>
diff mbox series

Patch

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..1deace7c48b2
--- /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@analog.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-volts:
+    description: Select converter output range.
+
+  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-volts
+  - reg
+  - spi-max-frequency
+  - spi-cpol
+
+additionalProperties: false
+
+examples:
+  - |
+    spi {
+          #address-cells = <1>;
+          #size-cells = <0>;
+          
+          ad5766@0 {
+              compatible = "adi,ad5766";
+              output-range-volts = <(-5) 5>;
+              reg = <0>;
+              spi-cpol;
+              spi-max-frequency = <1000000>;
+              reset-gpios = <&gpio 22 0>;
+            };
+      };