diff mbox series

[v3,1/3] dt-bindings: iio: dac: AD5766 yaml documentation

Message ID 20201208131957.34381-1-cristian.pop@analog.com (mailing list archive)
State New, archived
Headers show
Series [v3,1/3] dt-bindings: iio: dac: AD5766 yaml documentation | expand

Commit Message

Cristian Pop Dec. 8, 2020, 1:19 p.m. UTC
This adds device tree bindings for the AD5766 DAC.

Signed-off-by: Cristian Pop <cristian.pop@analog.com>
---
 Changes in v3:
	- Fix errors
 .../bindings/iio/dac/adi,ad5766.yaml          | 58 +++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/dac/adi,ad5766.yaml

Comments

Rob Herring Dec. 10, 2020, 2:03 p.m. UTC | #1
On Tue, 08 Dec 2020 15:19:55 +0200, Cristian Pop wrote:
> This adds device tree bindings for the AD5766 DAC.
> 
> Signed-off-by: Cristian Pop <cristian.pop@analog.com>
> ---
>  Changes in v3:
> 	- Fix errors
>  .../bindings/iio/dac/adi,ad5766.yaml          | 58 +++++++++++++++++++
>  1 file changed, 58 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/iio/dac/adi,ad5766.yaml
> 

Reviewed-by: Rob Herring <robh@kernel.org>
Jonathan Cameron Dec. 13, 2020, 2:51 p.m. UTC | #2
On Tue, 8 Dec 2020 15:19:55 +0200
Cristian Pop <cristian.pop@analog.com> wrote:

> This adds device tree bindings for the AD5766 DAC.
> 
> Signed-off-by: Cristian Pop <cristian.pop@analog.com>
> ---
>  Changes in v3:
> 	- Fix errors
>  .../bindings/iio/dac/adi,ad5766.yaml          | 58 +++++++++++++++++++
>  1 file changed, 58 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..25ec5bc0a6c6
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/dac/adi,ad5766.yaml
> @@ -0,0 +1,58 @@
> +# 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
> +
> +  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.
> +    maxItems: 1

Given we've recently been bitten by this in another driver I took a look at the datasheet.
This is an active low pin (not reset) so document it as such and set logic
as appropriate in the driver.

> +
> +required:
> +  - compatible
> +  - reg
> +  - spi-max-frequency
> +  - spi-cpol
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    spi {
> +          #address-cells = <1>;
> +          #size-cells = <0>;
> +          
> +          ad5766@0 {
> +              compatible = "adi,ad5766";
> +              reg = <0>;
> +              spi-cpol;
> +              spi-max-frequency = <1000000>;
> +              reset-gpios = <&gpio 22 0>;
> +            };
> +      };
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..25ec5bc0a6c6
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/dac/adi,ad5766.yaml
@@ -0,0 +1,58 @@ 
+# 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
+
+  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.
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - spi-max-frequency
+  - spi-cpol
+
+additionalProperties: false
+
+examples:
+  - |
+    spi {
+          #address-cells = <1>;
+          #size-cells = <0>;
+          
+          ad5766@0 {
+              compatible = "adi,ad5766";
+              reg = <0>;
+              spi-cpol;
+              spi-max-frequency = <1000000>;
+              reset-gpios = <&gpio 22 0>;
+            };
+      };