[alsa-devel] [PATCH v2 08/11] dt-bindings: pinctrl: qcom-wcd934x: Add bindings for gpio

Rob Herring robh at kernel.org
Fri Oct 25 23:00:21 CEST 2019


On Fri, Oct 18, 2019 at 01:18:46AM +0100, Srinivas Kandagatla wrote:
> Qualcomm Technologies Inc WCD9340/WCD9341 Audio Codec has integrated
> gpio controller to control 5 gpios on the chip. This patch adds
> required device tree bindings for it.
> 
> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla at linaro.org>
> ---
>  .../pinctrl/qcom,wcd934x-pinctrl.yaml         | 51 +++++++++++++++++++
>  1 file changed, 51 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/pinctrl/qcom,wcd934x-pinctrl.yaml
> 
> diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,wcd934x-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/qcom,wcd934x-pinctrl.yaml
> new file mode 100644
> index 000000000000..c8a36cbc4935
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/pinctrl/qcom,wcd934x-pinctrl.yaml
> @@ -0,0 +1,51 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/pinctrl/qcom,wcd934x-pinctrl.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: WCD9340/WCD9341 GPIO Pin controller
> +
> +maintainers:
> +  - Srinivas Kandagatla <srinivas.kandagatla at linaro.org>
> +
> +description: |
> +  Qualcomm Technologies Inc WCD9340/WCD9341 Audio Codec has integrated
> +  gpio controller to control 5 gpios on the chip.
> +
> +properties:
> +  compatible:
> +    enum:
> +      - qcom,wcd9340-pinctrl
> +      - qcom,wcd9341-pinctrl
> +
> +  reg:
> +    maxItems: 1
> +
> +  gpio-controller: true
> +
> +  gpio-ranges:
> +    maxItems: 1
> +
> +  '#gpio-cells':
> +    const: 2
> +
> +required:
> +  - compatible
> +  - reg
> +  - gpio-controller
> +  - gpio-ranges
> +  - "#gpio-cells"

additionalProperties: false

> +
> +
> +examples:
> +  - |
> +    wcdpinctrl: wcdpinctrl at 42 {

pinctrl at 42

> +        compatible = "qcom,wcd9340-pinctrl";
> +        reg = <0x042 0x2>;
> +        gpio-controller;
> +        gpio-ranges = <&wcdpinctrl 0 0 5>;
> +        #gpio-cells = <2>;
> +    };
> +
> +...
> -- 
> 2.21.0
> 


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