linux-kernel - Re: [PATCH] dt-bindings: sound: Convert Samsung Exynos5433 TM2(E) audio complex with WM5110 codec to dt-schema

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Message-ID: <50932d65-6d8b-aca2-2bec-d4eedaba0bdc@samsung.com>
Date:   Thu, 26 Sep 2019 13:49:09 +0200
From:   Maciej Falkowski <m.falkowski@...sung.com>
To:     Krzysztof Kozlowski <krzk@...nel.org>,
        Marek Szyprowski <m.szyprowski@...sung.com>
Cc:     devicetree@...r.kernel.org, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org, linux-samsung-soc@...r.kernel.org,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Mark Brown <broonie@...nel.org>,
        Sylwester Nawrocki <s.nawrocki@...sung.com>,
        Liam Girdwood <lgirdwood@...il.com>
Subject: Re: [PATCH] dt-bindings: sound: Convert Samsung Exynos5433 TM2(E)
 audio complex with WM5110 codec to dt-schema


On 9/24/19 5:20 PM, Krzysztof Kozlowski wrote:
> On Tue, Sep 24, 2019 at 05:01:46PM +0200, Marek Szyprowski wrote:
>> From: Maciej Falkowski <m.falkowski@...sung.com>
>>
>> Convert Samsung Exynos5433 TM2(E) audio complex with WM5110 codec to newer dt-schema format.
>>
>> Signed-off-by: Maciej Falkowski <m.falkowski@...sung.com>
>> Signed-off-by: Marek Szyprowski <m.szyprowski@...sung.com>
>> ---
>>   .../bindings/sound/samsung,tm2-audio.txt      | 42 ----------
>>   .../bindings/sound/samsung,tm2-audio.yaml     | 83 +++++++++++++++++++
>>   2 files changed, 83 insertions(+), 42 deletions(-)
>>   delete mode 100644 Documentation/devicetree/bindings/sound/samsung,tm2-audio.txt
>>   create mode 100644 Documentation/devicetree/bindings/sound/samsung,tm2-audio.yaml
>>
>> diff --git a/Documentation/devicetree/bindings/sound/samsung,tm2-audio.txt b/Documentation/devicetree/bindings/sound/samsung,tm2-audio.txt
>> deleted file mode 100644
>> index f5ccc12ddc00..000000000000
>> --- a/Documentation/devicetree/bindings/sound/samsung,tm2-audio.txt
>> +++ /dev/null
>> @@ -1,42 +0,0 @@
>> -Samsung Exynos5433 TM2(E) audio complex with WM5110 codec
>> -
>> -Required properties:
>> -
>> - - compatible		 : "samsung,tm2-audio"
>> - - model		 : the user-visible name of this sound complex
>> - - audio-codec		 : the first entry should be phandle of the wm5110 audio
>> -			   codec node, as described in ../mfd/arizona.txt;
>> -			   the second entry should be phandle of the HDMI
>> -			   transmitter node
>> - - i2s-controller	 : the list of phandle and argument tuples pointing to
>> -			   I2S controllers, the first entry should be I2S0 and
>> -			   the second one I2S1
>> - - audio-amplifier	 : the phandle of the MAX98504 amplifier
>> - - samsung,audio-routing : 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
>> -			   WM5110's and MAX98504's pins and the jacks on the
>> -			   board: HP, SPK, Main Mic, Sub Mic, Third Mic,
>> -			   Headset Mic
>> - - mic-bias-gpios	 : GPIO pin that enables the Main Mic bias regulator
>> -
>> -
>> -Example:
>> -
>> -sound {
>> -	compatible = "samsung,tm2-audio";
>> -	audio-codec = <&wm5110>, <&hdmi>;
>> -	i2s-controller = <&i2s0 0>, <&i2s1 0>;
>> -	audio-amplifier = <&max98504>;
>> -	mic-bias-gpios = <&gpr3 2 0>;
>> -	model = "wm5110";
>> -	samsung,audio-routing =
>> -		"HP", "HPOUT1L",
>> -		"HP", "HPOUT1R",
>> -		"SPK", "SPKOUT",
>> -		"SPKOUT", "HPOUT2L",
>> -		"SPKOUT", "HPOUT2R",
>> -		"Main Mic", "MICBIAS2",
>> -		"IN1R", "Main Mic";
>> -};
>> diff --git a/Documentation/devicetree/bindings/sound/samsung,tm2-audio.yaml b/Documentation/devicetree/bindings/sound/samsung,tm2-audio.yaml
>> new file mode 100644
>> index 000000000000..377f8cbe17b8
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/sound/samsung,tm2-audio.yaml
>> @@ -0,0 +1,83 @@
>> +# SPDX-License-Identifier: GPL-2.0
>> +%YAML 1.2
>> +---
>> +$id: https://protect2.fireeye.com/url?k=ccb9abe11b8a2745.ccb820ae-a91cd712f01d248e&u=http://devicetree.org/schemas/sound/samsung,tm2-audio.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: Samsung Exynos SoC Exynos5433 TM2(E) audio complex with WM5110 codec
>> +
>> +maintainers:
>> +  - Krzysztof Kozlowski <krzk@...nel.org>
>> +  - Sylwester Nawrocki <s.nawrocki@...sung.com>
>> +
>> +properties:
>> +  compatible:
>> +    const: samsung,tm2-audio
>> +
>> +  model:
>> +    maxItems: 1
> $ref to string, then maxItems are not needed.
> Add description (copy-paste).

Hi Krzysztof,

You're right, model is not a standard property.

>> +
>> +  audio-codec:
>> +    allOf:
>> +      - $ref: /schemas/types.yaml#/definitions/phandle-array
>> +      - items:
>> +          - description: |
>> +              phandle of the wm5110 audio codec node,
>> +              as described in ../mfd/arizona.txt;
>> +          - description: phandle of the HDMI transmitter node.
>> +
>> +  i2s-controller:
>> +    allOf:
>> +      - $ref: /schemas/types.yaml#/definitions/phandle-array
>> +      - items:
>> +          - description: phandle of the I2S0.
>> +          - description: phandle of the I2S1.
>> +
>> +  audio-amplifier:
> Can you order the nodes here and in required section by name (except
> compatible which should be first)?

Current order is already well-established across bindings (even example).
I think that sorted properties are undesired with that.

Best regards,
Maciej Falkowski

>
> Best regards,
> Krzysztof
>
>
>