Re: [PATCH] dt-bindings: sound: nvidia,tegra-audio: Convert multiple txt bindings to yaml

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On Mon, Oct 25, 2021 at 07:19:25PM +0200, David Heidelberg wrote:
> Convert Tegra audio complex with the
>  * ALC5632
>  * MAX98090
>  * RT5640
>  * RT5677
>  * SGTL5000
>  * TrimSlice
>  * WM8753
>  * WM8903
>  * WM9712
> codec to the YAML format.

Perhaps say why they can all be combined.

I don't think that really works because the properties which are valid 
varies. Specifically, the GPIO lines vary.

Instead, define a schema with all the common properties and then 
reference it.

> Signed-off-by: David Heidelberg <david@xxxxxxx>
> ---
>  .../sound/nvidia,tegra-audio-alc5632.txt      |  48 -----
>  .../sound/nvidia,tegra-audio-max98090.txt     |  53 -----
>  .../sound/nvidia,tegra-audio-rt5640.txt       |  52 -----
>  .../sound/nvidia,tegra-audio-rt5677.txt       |  67 ------
>  .../sound/nvidia,tegra-audio-sgtl5000.txt     |  42 ----
>  .../sound/nvidia,tegra-audio-trimslice.txt    |  21 --
>  .../sound/nvidia,tegra-audio-wm8753.txt       |  40 ----
>  .../sound/nvidia,tegra-audio-wm8903.txt       |  62 ------
>  .../sound/nvidia,tegra-audio-wm9712.txt       |  60 ------
>  .../bindings/sound/nvidia,tegra-audio.yaml    | 190 ++++++++++++++++++
>  10 files changed, 190 insertions(+), 445 deletions(-)
>  delete mode 100644 Documentation/devicetree/bindings/sound/nvidia,tegra-audio-alc5632.txt
>  delete mode 100644 Documentation/devicetree/bindings/sound/nvidia,tegra-audio-max98090.txt
>  delete mode 100644 Documentation/devicetree/bindings/sound/nvidia,tegra-audio-rt5640.txt
>  delete mode 100644 Documentation/devicetree/bindings/sound/nvidia,tegra-audio-rt5677.txt
>  delete mode 100644 Documentation/devicetree/bindings/sound/nvidia,tegra-audio-sgtl5000.txt
>  delete mode 100644 Documentation/devicetree/bindings/sound/nvidia,tegra-audio-trimslice.txt
>  delete mode 100644 Documentation/devicetree/bindings/sound/nvidia,tegra-audio-wm8753.txt
>  delete mode 100644 Documentation/devicetree/bindings/sound/nvidia,tegra-audio-wm8903.txt
>  delete mode 100644 Documentation/devicetree/bindings/sound/nvidia,tegra-audio-wm9712.txt
>  create mode 100644 Documentation/devicetree/bindings/sound/nvidia,tegra-audio.yaml

[...]

> diff --git a/Documentation/devicetree/bindings/sound/nvidia,tegra-audio.yaml b/Documentation/devicetree/bindings/sound/nvidia,tegra-audio.yaml
> new file mode 100644
> index 000000000000..6b8876bfa40f
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/nvidia,tegra-audio.yaml
> @@ -0,0 +1,190 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: "http://devicetree.org/schemas/sound/nvidia,tegra-audio.yaml#";
> +$schema: "http://devicetree.org/meta-schemas/core.yaml#";
> +
> +title: NVIDIA Tegra audio complex
> +
> +maintainers:
> +  - Jon Hunter <jonathanh@xxxxxxxxxx>
> +  - Thierry Reding <thierry.reding@xxxxxxxxx>
> +
> +properties:
> +  compatible:
> +    oneOf:
> +      - items:
> +          - pattern: '^[a-z0-9]+,tegra-audio-alc5632(-[a-z0-9])+'
> +          - const: nvidia,tegra-audio-alc5632
> +      - items:
> +          - enum:
> +              - nvidia,tegra-audio-max98090-nyan-big
> +              - nvidia,tegra-audio-max98090-nyan-blaze
> +          - const: nvidia,tegra-audio-max98090-nyan
> +          - const: nvidia,tegra-audio-max98090
> +      - items:
> +          - pattern: '^[a-z0-9]+,tegra-audio-max98090(-[a-z0-9])+'
> +          - const: nvidia,tegra-audio-max98090
> +      - items:
> +          - pattern: '^[a-z0-9]+,tegra-audio-rt56(39|40)(-[a-z0-9])+'
> +          - const: nvidia,tegra-audio-rt5640
> +      - items:
> +          - pattern: '^[a-z0-9]+,tegra-audio-rt5677(-[a-z0-9])+'
> +          - const: nvidia,tegra-audio-rt5677
> +      - items:
> +          - enum:
> +              - toradex,tegra-audio-sgtl5000-apalis_t30
> +              - toradex,tegra-audio-sgtl5000-colibri_t30
> +              - toradex,tegra-audio-sgtl5000-apalis_tk1
> +          - const: nvidia,tegra-audio-sgtl5000
> +      - const: nvidia,tegra-audio-trimslice
> +      - items:
> +          - pattern: '^[a-z0-9]+,tegra-audio-wm8753(-[a-z0-9])+'
> +          - const: nvidia,tegra-audio-wm8753
> +      - items:
> +          - pattern: '^[a-z0-9]+,tegra-audio-(plutux|wm8903(-[a-z0-9])+)'
> +          - const: nvidia,tegra-audio-wm8903
> +      - items:
> +          - pattern: '^[a-z0-9]+,tegra-audio-wm9712(-[a-z0-9])+'
> +          - const: nvidia,tegra-audio-wm9712
> +
> +  clocks:
> +    items:
> +      - description: PLL A clock
> +      - description: PLL A OUT0 clock
> +      - description: The Tegra cdev1/extern1 clock, which feeds the card's mclk
> +
> +  clock-names:
> +    items:
> +      - const: pll_a
> +      - const: pll_a_out0
> +      - const: mclk
> +

> +  assigned-clocks: true
> +
> +  assigned-clock-parents: true
> +
> +  assigned-clock-rates: true

These properties are always allowed when 'clocks' is present. So you 
don't have to list them.

> +
> +  nvidia,model:
> +    $ref: /schemas/types.yaml#/definitions/string
> +    description: The user-visible name of this sound complex.
> +
> +  nvidia,audio-routing:
> +    $ref: /schemas/types.yaml#/definitions/non-unique-string-array
> +    description: |
> +      A list of the connections between audio components.
> +      Each entry is a pair of strings, the first being the connection's sink,
> +      the second being the connection's source. Valid names for sources and
> +      sinks are the pins (documented in the binding document),
> +      and the jacks on the board:
> +        ALC5632:
> +          * Headset Stereophone
> +          * Int Spk
> +          * Headset Mic
> +          * Digital Mic
> +        MAXX98090:
> +          * Headphones
> +          * SPeakers
> +          * Mic Jack
> +          * Int Mic
> +        RT5640:
> +          * Headphones
> +          * Speakers
> +          * Mic Jack
> +        RT5677:
> +          * Headphone
> +          * Speaker
> +          * Headset Mic
> +          * Internal Mic 1
> +          * Internal Mic 2
> +        SGTL5000:
> +          * Headphone Jack
> +          * Line In Jack
> +          * Mic Jack
> +        WM8753:
> +          * Headphone Jack
> +          * Mic Jack
> +        WM8903:
> +          * Headphone Jack
> +          * Int Spk
> +          * Mic Jack
> +          * Int Mic
> +        WM9712:
> +          * Headphone
> +          * LineIn
> +          * Mic

All these strings should be part of the schema.

> +
> +  nvidia,ac97-controller:
> +    $ref: /schemas/types.yaml#/definitions/phandle
> +    description: The phandle of the AC97 controller
> +
> +  nvidia,i2s-controller:
> +    $ref: /schemas/types.yaml#/definitions/phandle
> +    description: The phandle of the Tegra I2S controller
> +
> +  nvidia,audio-codec:
> +    $ref: /schemas/types.yaml#/definitions/phandle
> +    description: The phandle of audio codec
> +
> +  nvidia,spkr-en-gpios:
> +    maxItems: 1
> +    description: The GPIO that enables the speakers
> +
> +  nvidia,hp-mute-gpios:
> +    maxItems: 1
> +    description: The GPIO that mutes the headphones
> +
> +  nvidia,hp-det-gpios:
> +    maxItems: 1
> +    description: The GPIO that detect headphones are plugged in
> +
> +  nvidia,mic-det-gpios:
> +    maxItems: 1
> +    description: The GPIO that detect microphone is plugged in
> +
> +  nvidia,int-mic-en-gpios:
> +    maxItems: 1
> +    description: The GPIO that enables the internal microphone
> +
> +  nvidia,ext-mic-en-gpios:
> +    maxItems: 1
> +    description: The GPIO that enables the external microphone
> +
> +  nvidia,headset:
> +    type: boolean
> +    description: The Mic Jack represents state of the headset microphone pin
> +
> +additionalProperties: false
> +
> +required:
> +  - compatible
> +  - clocks
> +  - clock-names
> +
> +oneOf:
> +  - required:
> +      - nvidia,audio-codec
> +      - nvidia,i2s-controller
> +  - required:
> +      - nvidia,ac97-controller
> +
> +examples:
> +  - |
> +    #include <dt-bindings/clock/tegra30-car.h>
> +
> +    sound {
> +      compatible = "toradex,tegra-audio-sgtl5000-apalis_t30",
> +                   "nvidia,tegra-audio-sgtl5000";
> +      nvidia,model = "Toradex Apalis T30 SGTL5000";
> +      nvidia,audio-routing =
> +              "Headphone Jack", "HP_OUT",
> +              "LINE_IN", "Line In Jack",
> +              "MIC_IN", "Mic Jack";
> +      nvidia,i2s-controller = <&tegra_i2s2>;
> +      nvidia,audio-codec = <&codec>;
> +      clocks = <&tegra_car TEGRA30_CLK_PLL_A>,
> +               <&tegra_car TEGRA30_CLK_PLL_A_OUT0>,
> +               <&tegra_car TEGRA30_CLK_EXTERN1>;
> +      clock-names = "pll_a", "pll_a_out0", "mclk";
> +    };
> -- 
> 2.33.0
> 
> 



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