linux-kernel - Re: [PATCH v2 3/5] arm64: dts: ti: add verdin am62

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Date:   Thu, 15 Jun 2023 13:08:11 +0530
From:   Vignesh Raghavendra <vigneshr@...com>
To:     Francesco Dolcini <francesco@...cini.it>
CC:     Nishanth Menon <nm@...com>,
        Francesco Dolcini <francesco.dolcini@...adex.com>,
        Tero Kristo <kristo@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 3/5] arm64: dts: ti: add verdin am62



On 15/06/23 12:21, Francesco Dolcini wrote:
> On Thu, Jun 15, 2023 at 11:38:00AM +0530, Vignesh Raghavendra wrote:
>>
>>
>> On 01/06/23 18:43, Francesco Dolcini wrote:
>>
>> [...]
>>
>>> +/* Verdin I2C_1 */
>>> +&main_i2c1 {
>>> +	status = "okay";
>>> +
>>> +	/* Audio Codec */
>>> +	nau8822_1a: audio-codec@1a {
>>> +		compatible = "nuvoton,nau8822";
>>> +		reg = <0x1a>;
>>> +		pinctrl-names = "default";
>>> +		pinctrl-0 = <&pinctrl_i2s1_mclk>; /* Configure AUDIO_EXT_REFCLK1 pin as output */
>>> +		#sound-dai-cells = <0>;
>>> +
>>> +		/* POSTDIV4_16FF_MAIN_2_HSDIVOUT8_CLK -> AUDIO_EXT_REFCLK1 */
>>> +		assigned-clocks = <&k3_clks 157 10>;
>>> +		assigned-clock-parents = <&k3_clks 157 18>;
>>> +		assigned-clock-rates = <25000000>; /* for 48KHz ± 1.7% */
>>> +	};
>>> +
>>
>> Oops, this node fails dtbs_check
>>
>> make ARCH=arm64 CROSS_COMPILE=$V8_CROSS CHECK_DTBS=y ti/k3-am625-verdin-nonwifi-dev.dtb
>>
>> /work/linux/arch/arm64/boot/dts/ti/k3-am625-verdin-nonwifi-dev.dtb: audio-codec@1a: '#sound-dai-cells', 'assigned-clock-parents', 'assigned-clock-rates', 'assigned-clocks' do not match any of the regexes: 'pinctrl-[0-9]+'
>> 	From schema: /home/a0132425/workspace/k3-next/Documentation/devicetree/bindings/sound/nuvoton,nau8822.yaml
>> /work/linux/arch/arm64/boot/dts/ti/k3-am625-verdin-nonwifi-dev.dtb: audio-codec@1a: 'anyOf' conditional failed, one must be fixed:
>> 	'clocks' is a required property
>> 	'#clock-cells' is a required property
>> 	From schema: /work/.local/lib/python3.10/site-packages/dtschema/schemas/clock/clock.yaml
> 
> This properties are needed here, it will not work without.

Agree on the need. But, I cannot take the patch w/o binding update. We
will end up with messy dts files that would have deviated from bindings.

Could you please post an update to bindings yaml? I suggest to drop
audio codec support and add it back once bindings are updated/fixed.

> 
> Not the expert on audio codec and sound cards DT binding, but to me this is
> just the yaml not being correct.
> 
> Francesco
> 

-- 
Regards
Vignesh