linux-kernel - Re: [PATCH v2 1/2] dt-bindings: tas2764: Add the TAS2764 binding doc

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Date:   Tue, 6 Oct 2020 17:40:22 -0500
From:   Rob Herring <robh@...nel.org>
To:     Dan Murphy <dmurphy@...com>
Cc:     lgirdwood@...il.com, broonie@...nel.org, tiwai@...e.com,
        devicetree@...r.kernel.org, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/2] dt-bindings: tas2764: Add the TAS2764 binding doc

On Tue, Oct 06, 2020 at 12:23:40PM -0500, Dan Murphy wrote:
> Add the binding for the TAS2764 Smart Amplifier.
> 
> Signed-off-by: Dan Murphy <dmurphy@...com>
> ---
>  .../devicetree/bindings/sound/tas2764.yaml    | 74 +++++++++++++++++++
>  1 file changed, 74 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/sound/tas2764.yaml
> 
> diff --git a/Documentation/devicetree/bindings/sound/tas2764.yaml b/Documentation/devicetree/bindings/sound/tas2764.yaml
> new file mode 100644
> index 000000000000..d2c90c82b13f
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/tas2764.yaml
> @@ -0,0 +1,74 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +# Copyright (C) 2020 Texas Instruments Incorporated
> +%YAML 1.2
> +---
> +$id: "http://devicetree.org/schemas/sound/tas2764.yaml#"
> +$schema: "http://devicetree.org/meta-schemas/core.yaml#"
> +
> +title: Texas Instruments TAS2764 Smart PA
> +
> +maintainers:
> +  - Dan Murphy <dmurphy@...com>
> +
> +description: |
> +  The TAS2764 is a mono, digital input Class-D audio amplifier optimized for
> +  efficiently driving high peak power into small loudspeakers.
> +  Integrated speaker voltage and current sense provides for
> +  real time monitoring of loudspeaker behavior.
> +
> +properties:
> +  compatible:
> +    enum:
> +      - ti,tas2764
> +
> +  reg:
> +    maxItems: 1
> +    description: |
> +       I2C address of the device can be between 0x38 to 0x45.
> +
> +  reset-gpios:
> +    description: GPIO used to reset the device.

maxItems: 1

> +
> +  shutdown-gpios:
> +    description: GPIO used to control the state of the device.

maxItems: 1

> +
> +  interrupts:
> +    maxItems: 1
> +
> +  ti,imon-slot-no:
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +    description: TDM TX current sense time slot.
> +
> +  ti,vmon-slot-no:
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +    description: TDM TX voltage sense time slot.
> +
> +  '#sound-dai-cells':
> +    const: 1
> +
> +required:
> +  - compatible
> +  - reg
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +   #include <dt-bindings/gpio/gpio.h>
> +   i2c0 {
> +     #address-cells = <1>;
> +     #size-cells = <0>;
> +     codec: codec@38 {
> +       compatible = "ti,tas2764";
> +       reg = <0x38>;
> +       #sound-dai-cells = <1>;
> +       interrupt-parent = <&gpio1>;
> +       interrupts = <14>;
> +       reset-gpio = <&gpio1 15 0>;

This fails checks...

> +       shutdown-gpios = <&gpio1 15 0>;
> +       ti,imon-slot-no = <0>;
> +       ti,vmon-slot-no = <2>;
> +     };
> +   };
> +
> +...
> -- 
> 2.28.0.585.ge1cfff676549
>