[PATCH v6 2/2] Device tree bindings for TI HDC20x0 humidity and temperature sensors

[PATCH v6 2/2] Device tree bindings for TI HDC20x0 humidity and temperature sensors

[Eugene Zalkonnikov]

Device tree bindings for the HDC2010/2080 driver.

Signed-off-by: Eugene Zaikonnikov <eugene.zaikonnikov@norphonic.com>

diff -uprN linux-5.3.8/Documentation/devicetree/bindings/iio/humidity/ti,hdc2010.yaml linux-5.3.8_docs/Documentation/devicetree/bindings/iio/humidity/ti,hdc2010.yaml
--- linux-5.3.8/Documentation/devicetree/bindings/iio/humidity/ti,hdc2010.yaml	1970-01-01 01:00:00.000000000 +0100
+++ linux-5.3.8_docs/Documentation/devicetree/bindings/iio/humidity/ti,hdc2010.yaml	2020-02-12 14:28:42.562903814 +0100
@@ -0,0 +1,43 @@
+# SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/humidity/hdc2010.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: HDC2010/HDC2080 humidity and temperature iio sensors
+
+maintainers:
+  - Eugene Zaikonnikov <eugene.zaikonnikov@norophonic.com>
+
+description: |
+  Relative humidity and tempereature sensors on I2C bus
+
+  Datasheets are available at:
+    http://www.ti.com/product/HDC2010/datasheet
+    http://www.ti.com/product/HDC2080/datasheet
+
+properties:
+  compatible:
+    enum:
+      - ti,hdc2010
+      - ti,hdc2080
+
+  vddd-supply:
+    description:
+      digital voltage regulator (see regulator/regulator.txt)
+    maxItems: 1
+
+required:
+  - compatible
+
+examples:
+  - |
+    i2c0 {
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+      hdc200x@40 {
+          compatible = "ti,hdc2010";
+          reg = <0x40>;
+      };
+    };

Re: [PATCH v6 2/2] Device tree bindings for TI HDC20x0 humidity and temperature sensors

[Rob Herring]

On Tue, 17 Mar 2020 20:09:48 +0000, Eugene Zalkonnikov wrote:
> 
> Device tree bindings for the HDC2010/2080 driver.
> 
> Signed-off-by: Eugene Zaikonnikov <eugene.zaikonnikov@norphonic.com>
> 
> diff -uprN linux-5.3.8/Documentation/devicetree/bindings/iio/humidity/ti,hdc2010.yaml linux-5.3.8_docs/Documentation/devicetree/bindings/iio/humidity/ti,hdc2010.yaml
> --- linux-5.3.8/Documentation/devicetree/bindings/iio/humidity/ti,hdc2010.yaml	1970-01-01 01:00:00.000000000 +0100
> +++ linux-5.3.8_docs/Documentation/devicetree/bindings/iio/humidity/ti,hdc2010.yaml	2020-02-12 14:28:42.562903814 +0100
> @@ -0,0 +1,43 @@
> +# SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/iio/humidity/hdc2010.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: HDC2010/HDC2080 humidity and temperature iio sensors
> +
> +maintainers:
> +  - Eugene Zaikonnikov <eugene.zaikonnikov@norophonic.com>
> +
> +description: |
> +  Relative humidity and tempereature sensors on I2C bus
> +
> +  Datasheets are available at:
> +    http://www.ti.com/product/HDC2010/datasheet
> +    http://www.ti.com/product/HDC2080/datasheet
> +
> +properties:
> +  compatible:
> +    enum:
> +      - ti,hdc2010
> +      - ti,hdc2080
> +
> +  vddd-supply:
> +    description:
> +      digital voltage regulator (see regulator/regulator.txt)
> +    maxItems: 1
> +
> +required:
> +  - compatible
> +
> +examples:
> +  - |
> +    i2c0 {
> +      #address-cells = <1>;
> +      #size-cells = <0>;
> +
> +      hdc200x@40 {
> +          compatible = "ti,hdc2010";
> +          reg = <0x40>;
> +      };
> +    };
> 

My bot found errors running 'make dt_binding_check' on your patch:

Documentation/devicetree/bindings/iio/humidity/ti,hdc2010.yaml: $id: relative path/filename doesn't match actual path or filename
	expected: http://devicetree.org/schemas/iio/humidity/ti,hdc2010.yaml#

See https://patchwork.ozlabs.org/patch/1256878
Please check and re-submit.

Re: [PATCH v6 2/2] Device tree bindings for TI HDC20x0 humidity and temperature sensors

[Jonathan Cameron]

On Tue, 17 Mar 2020 20:09:48 +0000
Eugene Zalkonnikov <ez@norphonic.com> wrote:

> Device tree bindings for the HDC2010/2080 driver.
> 
> Signed-off-by: Eugene Zaikonnikov <eugene.zaikonnikov@norphonic.com>
Hi Eugene

A few minor things inline

Jonathan

> 
> diff -uprN linux-5.3.8/Documentation/devicetree/bindings/iio/humidity/ti,hdc2010.yaml linux-5.3.8_docs/Documentation/devicetree/bindings/iio/humidity/ti,hdc2010.yaml
> --- linux-5.3.8/Documentation/devicetree/bindings/iio/humidity/ti,hdc2010.yaml	1970-01-01 01:00:00.000000000 +0100
> +++ linux-5.3.8_docs/Documentation/devicetree/bindings/iio/humidity/ti,hdc2010.yaml	2020-02-12 14:28:42.562903814 +0100
> @@ -0,0 +1,43 @@
> +# SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/iio/humidity/hdc2010.yaml#

As Rob's bot pointed out... ti,hdc2010.yaml preferred.

> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: HDC2010/HDC2080 humidity and temperature iio sensors
> +
> +maintainers:
> +  - Eugene Zaikonnikov <eugene.zaikonnikov@norophonic.com>
> +
> +description: |
> +  Relative humidity and tempereature sensors on I2C bus
> +
> +  Datasheets are available at:
> +    http://www.ti.com/product/HDC2010/datasheet
> +    http://www.ti.com/product/HDC2080/datasheet
> +
> +properties:
> +  compatible:
> +    enum:
> +      - ti,hdc2010
> +      - ti,hdc2080
> +
> +  vddd-supply:

ddd rather than dd?

> +    description:
> +      digital voltage regulator (see regulator/regulator.txt)

For main supply probably don't need to bother with description.

> +    maxItems: 1
> +
> +required:
> +  - compatible
> +
> +examples:
> +  - |
> +    i2c0 {
> +      #address-cells = <1>;
> +      #size-cells = <0>;
> +
> +      hdc200x@40 {

Naming should be 'generic'. 
humidity@40 {

Is probably appropriate though not on the explicit list in the devicetree
spec yet.

> +          compatible = "ti,hdc2010";
> +          reg = <0x40>;
> +      };
> +    };
>