Re: [PATCH] arm64: dts: rockchip: fix probe of analog sound card on rock-3a

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Hi Jonas,

On 1/16/23 10:29, Jonas Karlman wrote:
> Hi Michael,
> 
> On 2023-01-16 09:41, Michael Riesch wrote:
>> Hi Jonas,
>>
>> On 1/15/23 22:15, Jonas Karlman wrote:
>>> The following was observed on my Radxa ROCK 3 Model A board:
>>>
>>>    rockchip-pinctrl pinctrl: pin gpio1-9 already requested by
>>> vcc-cam-regulator; cannot claim for fe410000.i2s
>>>    ...
>>>    platform rk809-sound: deferred probe pending
>>>
>>> Fix this by supplying a board specific pinctrl with the i2s1 pins used
>>> by pmic codec according to the schematic [1].
>>>
>>> [1]
>>> https://emea01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdl.radxa.com%2Frock3%2Fdocs%2Fhw%2F3a%2FROCK-3A-V1.3-SCH.pdf&data=05%7C01%7C%7Cb09a8096d417409ca0c108daf79d85f2%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638094553170941885%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=upix1Lqcu1y5vYkPtcB5Ao5TA04brBcecCS0LX2ipe4%3D&reserved=0
>>>
>>> Signed-off-by: Jonas Karlman <jonas@xxxxxxxxx>
>>
>> Makes sense to me, but...
>>
>>> ---
>>>   arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts | 2 ++
>>>   1 file changed, 2 insertions(+)
>>>
>>> diff --git a/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
>>> b/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
>>> index 00d873a03cfe..a149c8b83f94 100644
>>> --- a/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
>>> +++ b/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
>>> @@ -573,6 +573,8 @@ &i2s0_8ch {
>>>   };
>>>     &i2s1_8ch {
>>> +    pinctrl-names = "default";
>>> +    pinctrl-0 = <&i2s1m0_sclktx &i2s1m0_lrcktx &i2s1m0_sdi0
>>> &i2s1m0_sdo0>;
>>
>> ... shouldn't this include i2s1m0_mclk as well?
> 
> i2s1m0_mclk is already included in the pmic/rk809 pinctrl, so it was
> omitted from the i2s1_8ch pinctrl.

ah ok! In this case:

Acked-by: Michael Riesch <michael.riesch@xxxxxxxxxxxxxx>

Best regards,
Michael

> 
> Best regards,
> Jonas
> 
>>
>> For some reason this has been omitted in the pinctrl defined in
>> rk356x.dtsi. But then rk356x.dtsi also claims
>>   - both i2s1m0_sdo1 and i2s1m0_sdi3
>>   - both i2s1m0_sdo2 and i2s1m0_sdi2
>>   - both i2s1m0_sdo3 and i2s1m0_sdi1
>> which are mapped to the same respective pins. Therefore it seems that
>> there might be something wrong with this pinctrl altogether.
>>
>> Cc: Nicolas Frattaroli, maybe he can provide some clarification.
>>
>> Best regards,
>> Michael
>>
>>>       rockchip,trcm-sync-tx-only;
>>>       status = "okay";
>>>   };
> 



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