[v3,1/2] dt-bindings: iio: adc: Add dt-schema for AD7292
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Message ID 9a748c5150561dcf3e1f59b2900ae281b662c5b9.1572614297.git.marcelo.schmitt1@gmail.com
State Changes Requested
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  • iio: adc: Add support for AD7292
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Commit Message

Marcelo Schmitt Nov. 1, 2019, 4:23 p.m. UTC
Add a devicetree schema for AD7292 monitor and control system.

Signed-off-by: Marcelo Schmitt <marcelo.schmitt1@gmail.com>
---
Changelog V2 -> V3:
- changed spi-cpha property
- added spi-cpha to the list of required properties
- renamed example device node
- added ';' to the final curly braces correctly closing dt-schema

 .../bindings/iio/adc/adi,ad7292.yaml          | 103 ++++++++++++++++++
 MAINTAINERS                                   |   7 ++
 2 files changed, 110 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/adc/adi,ad7292.yaml

Comments

Rob Herring Nov. 5, 2019, 9:09 p.m. UTC | #1
On Fri, Nov 01, 2019 at 01:23:59PM -0300, Marcelo Schmitt wrote:
> Add a devicetree schema for AD7292 monitor and control system.
> 
> Signed-off-by: Marcelo Schmitt <marcelo.schmitt1@gmail.com>
> ---
> Changelog V2 -> V3:
> - changed spi-cpha property
> - added spi-cpha to the list of required properties
> - renamed example device node
> - added ';' to the final curly braces correctly closing dt-schema
> 
>  .../bindings/iio/adc/adi,ad7292.yaml          | 103 ++++++++++++++++++
>  MAINTAINERS                                   |   7 ++
>  2 files changed, 110 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/iio/adc/adi,ad7292.yaml
> 
> diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7292.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad7292.yaml
> new file mode 100644
> index 000000000000..1014eb50a263
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7292.yaml
> @@ -0,0 +1,103 @@
> +# SPDX-License-Identifier: GPL-2.0

For new bindings:

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)

> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/iio/adc/adi,ad7292.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Analog Devices AD7292 10-Bit Monitor and Control System
> +
> +maintainers:
> +  - Marcelo Schmitt <marcelo.schmitt1@gmail.com>
> +
> +description: |
> +  Analog Devices AD7292 10-Bit Monitor and Control System with ADC, DACs,
> +  Temperature Sensor, and GPIOs
> +
> +  Specifications about the part can be found at:
> +    https://www.analog.com/media/en/technical-documentation/data-sheets/ad7292.pdf
> +
> +properties:
> +  compatible:
> +    enum:
> +      - adi,ad7292
> +
> +  reg:
> +    maxItems: 1
> +
> +  vref-supply:
> +    description: |
> +      The regulator supply for ADC and DAC reference voltage.
> +
> +  spi-cpha: true
> +
> +  '#address-cells':
> +    const: 1
> +
> +  '#size-cells':
> +    const: 0
> +
> +required:
> +  - compatible
> +  - reg
> +  - spi-cpha
> +
> +patternProperties:
> +  "^channel@[0-7]$":
> +    type: object
> +    description: |
> +      Represents the external channels which are connected to the ADC.
> +      See Documentation/devicetree/bindings/iio/adc/adc.txt.
> +
> +    properties:
> +      reg:
> +        description: |
> +          The channel number. It can have up to 8 channels numbered from 0 to 7.

Can be a constraint:

items:
  - maximum: 7

> +        maxItems: 1

And then drop this because it's implied by the above.

> +
> +      diff-channels:
> +        description: see Documentation/devicetree/bindings/iio/adc/adc.txt
> +        maxItems: 1
> +
> +    required:
> +      - reg
> +
> +examples:
> +  - |
> +    spi {
> +      #address-cells = <1>;
> +      #size-cells = <0>;
> +
> +      ad7292: adc@0 {
> +        compatible = "adi,ad7292";
> +        reg = <0>;
> +        spi-max-frequency = <25000000>;
> +        vref-supply = <&adc_vref>;
> +        spi-cpha;
> +
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        channel@0 {
> +          reg = <0>;
> +          diff-channels = <0 1>;
> +        };
> +        channel@2 {
> +          reg = <2>;
> +        };
> +        channel@3 {
> +          reg = <3>;
> +        };
> +        channel@4 {
> +          reg = <4>;
> +        };
> +        channel@5 {
> +          reg = <5>;
> +        };
> +        channel@6 {
> +          reg = <6>;
> +        };
> +        channel@7 {
> +          reg = <7>;
> +        };
> +      };
> +    };
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 32bf5f8116d0..5d00e871c4c6 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -813,6 +813,13 @@ S:	Supported
>  F:	drivers/iio/adc/ad7124.c
>  F:	Documentation/devicetree/bindings/iio/adc/adi,ad7124.txt
>  
> +ANALOG DEVICES INC AD7292 DRIVER
> +M:	Marcelo Schmitt <marcelo.schmitt1@gmail.com>
> +L:	linux-iio@vger.kernel.org
> +W:	http://ez.analog.com/community/linux-device-drivers
> +S:	Supported
> +F:	Documentation/devicetree/bindings/iio/adc/adi,ad7292.yaml
> +
>  ANALOG DEVICES INC AD7606 DRIVER
>  M:	Stefan Popa <stefan.popa@analog.com>
>  L:	linux-iio@vger.kernel.org
> -- 
> 2.23.0
>

Patch
diff mbox series

diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7292.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad7292.yaml
new file mode 100644
index 000000000000..1014eb50a263
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7292.yaml
@@ -0,0 +1,103 @@ 
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/adc/adi,ad7292.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Analog Devices AD7292 10-Bit Monitor and Control System
+
+maintainers:
+  - Marcelo Schmitt <marcelo.schmitt1@gmail.com>
+
+description: |
+  Analog Devices AD7292 10-Bit Monitor and Control System with ADC, DACs,
+  Temperature Sensor, and GPIOs
+
+  Specifications about the part can be found at:
+    https://www.analog.com/media/en/technical-documentation/data-sheets/ad7292.pdf
+
+properties:
+  compatible:
+    enum:
+      - adi,ad7292
+
+  reg:
+    maxItems: 1
+
+  vref-supply:
+    description: |
+      The regulator supply for ADC and DAC reference voltage.
+
+  spi-cpha: true
+
+  '#address-cells':
+    const: 1
+
+  '#size-cells':
+    const: 0
+
+required:
+  - compatible
+  - reg
+  - spi-cpha
+
+patternProperties:
+  "^channel@[0-7]$":
+    type: object
+    description: |
+      Represents the external channels which are connected to the ADC.
+      See Documentation/devicetree/bindings/iio/adc/adc.txt.
+
+    properties:
+      reg:
+        description: |
+          The channel number. It can have up to 8 channels numbered from 0 to 7.
+        maxItems: 1
+
+      diff-channels:
+        description: see Documentation/devicetree/bindings/iio/adc/adc.txt
+        maxItems: 1
+
+    required:
+      - reg
+
+examples:
+  - |
+    spi {
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+      ad7292: adc@0 {
+        compatible = "adi,ad7292";
+        reg = <0>;
+        spi-max-frequency = <25000000>;
+        vref-supply = <&adc_vref>;
+        spi-cpha;
+
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        channel@0 {
+          reg = <0>;
+          diff-channels = <0 1>;
+        };
+        channel@2 {
+          reg = <2>;
+        };
+        channel@3 {
+          reg = <3>;
+        };
+        channel@4 {
+          reg = <4>;
+        };
+        channel@5 {
+          reg = <5>;
+        };
+        channel@6 {
+          reg = <6>;
+        };
+        channel@7 {
+          reg = <7>;
+        };
+      };
+    };
diff --git a/MAINTAINERS b/MAINTAINERS
index 32bf5f8116d0..5d00e871c4c6 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -813,6 +813,13 @@  S:	Supported
 F:	drivers/iio/adc/ad7124.c
 F:	Documentation/devicetree/bindings/iio/adc/adi,ad7124.txt
 
+ANALOG DEVICES INC AD7292 DRIVER
+M:	Marcelo Schmitt <marcelo.schmitt1@gmail.com>
+L:	linux-iio@vger.kernel.org
+W:	http://ez.analog.com/community/linux-device-drivers
+S:	Supported
+F:	Documentation/devicetree/bindings/iio/adc/adi,ad7292.yaml
+
 ANALOG DEVICES INC AD7606 DRIVER
 M:	Stefan Popa <stefan.popa@analog.com>
 L:	linux-iio@vger.kernel.org