linux-kernel - Re: [PATCH 3/9] ASoC: meson: convert axg tdm formatters to schema

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Date:   Fri, 28 Feb 2020 11:18:38 -0600
From:   Rob Herring <robh@...nel.org>
To:     Jerome Brunet <jbrunet@...libre.com>
Cc:     Mark Brown <broonie@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        alsa-devel@...a-project.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-amlogic@...ts.infradead.org,
        Kevin Hilman <khilman@...libre.com>
Subject: Re: [PATCH 3/9] ASoC: meson: convert axg tdm formatters to schema

On Mon, Feb 24, 2020 at 03:58:15PM +0100, Jerome Brunet wrote:
> Convert the DT binding documentation for the Amlogic tdm formatters to
> schema.
> 
> Signed-off-by: Jerome Brunet <jbrunet@...libre.com>
> ---
>  .../sound/amlogic,axg-tdm-formatters.txt      | 36 --------
>  .../sound/amlogic,axg-tdm-formatters.yaml     | 92 +++++++++++++++++++
>  2 files changed, 92 insertions(+), 36 deletions(-)
>  delete mode 100644 Documentation/devicetree/bindings/sound/amlogic,axg-tdm-formatters.txt
>  create mode 100644 Documentation/devicetree/bindings/sound/amlogic,axg-tdm-formatters.yaml
> 
> diff --git a/Documentation/devicetree/bindings/sound/amlogic,axg-tdm-formatters.txt b/Documentation/devicetree/bindings/sound/amlogic,axg-tdm-formatters.txt
> deleted file mode 100644
> index 5996c0cd89c2..000000000000
> --- a/Documentation/devicetree/bindings/sound/amlogic,axg-tdm-formatters.txt
> +++ /dev/null
> @@ -1,36 +0,0 @@
> -* Amlogic Audio TDM formatters
> -
> -Required properties:
> -- compatible: 'amlogic,axg-tdmin' or
> -	      'amlogic,axg-tdmout' or
> -	      'amlogic,g12a-tdmin' or
> -	      'amlogic,g12a-tdmout' or
> -	      'amlogic,sm1-tdmin' or
> -	      'amlogic,sm1-tdmout
> -- reg: physical base address of the controller and length of memory
> -       mapped region.
> -- clocks: list of clock phandle, one for each entry clock-names.
> -- clock-names: should contain the following:
> -  * "pclk"     : peripheral clock.
> -  * "sclk"     : bit clock.
> -  * "sclk_sel" : bit clock input multiplexer.
> -  * "lrclk"    : sample clock
> -  * "lrclk_sel": sample clock input multiplexer
> -
> -Optional property:
> -- resets: phandle to the dedicated reset line of the tdm formatter.
> -
> -Example of TDMOUT_A on the S905X2 SoC:
> -
> -tdmout_a: audio-controller@500 {
> -	compatible = "amlogic,axg-tdmout";
> -	reg = <0x0 0x500 0x0 0x40>;
> -	resets = <&clkc_audio AUD_RESET_TDMOUT_A>;
> -	clocks = <&clkc_audio AUD_CLKID_TDMOUT_A>,
> -		 <&clkc_audio AUD_CLKID_TDMOUT_A_SCLK>,
> -		 <&clkc_audio AUD_CLKID_TDMOUT_A_SCLK_SEL>,
> -		 <&clkc_audio AUD_CLKID_TDMOUT_A_LRCLK>,
> -		 <&clkc_audio AUD_CLKID_TDMOUT_A_LRCLK>;
> -	clock-names = "pclk", "sclk", "sclk_sel",
> -		      "lrclk", "lrclk_sel";
> -};
> diff --git a/Documentation/devicetree/bindings/sound/amlogic,axg-tdm-formatters.yaml b/Documentation/devicetree/bindings/sound/amlogic,axg-tdm-formatters.yaml
> new file mode 100644
> index 000000000000..f6f3bfb546f5
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/amlogic,axg-tdm-formatters.yaml
> @@ -0,0 +1,92 @@
> +# SPDX-License-Identifier: GPL-2.0

Dual license please as you're the only author of the .txt file.

> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/sound/amlogic,axg-tdm-formatters.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Amlogic Audio AXG TDM formatters
> +
> +maintainers:
> +  - Jerome Brunet <jbrunet@...libre.com>
> +
> +properties:
> +  $nodename:
> +    pattern: "^audio-controller@.*"
> +
> +  compatible:
> +    oneOf:
> +      - items:
> +        - enum:
> +          - amlogic,g12a-tdmout
> +          - amlogic,sm1-tdmout
> +          - amlogic,axg-tdmout
> +      - items:
> +        - enum:
> +          - amlogic,g12a-tdmin
> +          - amlogic,sm1-tdmin
> +        - const:
> +            amlogic,axg-tdmin
> +      - items:
> +        - const:
> +            amlogic,axg-tdmin
> +
> +  clocks:
> +    items:
> +      - description: Peripheral clock
> +      - description: Bit clock
> +      - description: Bit clock input multiplexer
> +      - description: Sample clock
> +      - description: Sample clock input multiplexer
> +
> +  clock-names:
> +    items:
> +      - const: pclk
> +      - const: sclk
> +      - const: sclk_sel
> +      - const: lrclk
> +      - const: lrclk_sel
> +
> +  reg:
> +    maxItems: 1
> +
> +  resets:
> +    maxItems: 1
> +
> +required:
> +  - compatible
> +  - reg
> +  - clocks
> +  - clock-names
> +
> +if:
> +  properties:
> +    compatible:
> +      contains:
> +        enum:
> +          - amlogic,g12a-tdmin
> +          - amlogic,sm1-tdmin
> +          - amlogic,g12a-tdmout
> +          - amlogic,sm1-tdmout
> +then:
> +  required:
> +    - resets
> +
> +examples:
> +  - |
> +    #include <dt-bindings/clock/axg-audio-clkc.h>
> +    #include <dt-bindings/reset/amlogic,meson-g12a-audio-reset.h>
> +
> +    tdmout_a: audio-controller@500 {
> +        compatible = "amlogic,g12a-tdmout",
> +                     "amlogic,axg-tdmout";

This fails validation.

> +        reg = <0x0 0x500 0x0 0x40>;
> +        resets = <&clkc_audio AUD_RESET_TDMOUT_A>;
> +        clocks = <&clkc_audio AUD_CLKID_TDMOUT_A>,
> +                 <&clkc_audio AUD_CLKID_TDMOUT_A_SCLK>,
> +                 <&clkc_audio AUD_CLKID_TDMOUT_A_SCLK_SEL>,
> +                 <&clkc_audio AUD_CLKID_TDMOUT_A_LRCLK>,
> +                 <&clkc_audio AUD_CLKID_TDMOUT_A_LRCLK>;
> +        clock-names = "pclk", "sclk", "sclk_sel",
> +                      "lrclk", "lrclk_sel";
> +    };
> +
> -- 
> 2.24.1
>