Subject: [PATCH] arm: dts: Fix audio card detection on peach boards

From: [email-masked] (Alim Akhtar)
Date: Mon, 12 Oct 2015 17:48:20 +0530

Hello Kezysztof
Thanks for your review.

On 10/12/2015 12:17 PM, Krzysztof Kozlowski wrote:
> On 12.10.2015 15:26, Alim Akhtar wrote:
>> Since the merge of 2fad972 ("ARM: dts: Add mclk entry for Peach boards"),
>
> Please switch to longer SHA abbreviation:
> $ git config core.abbrev 12
>
ok, will do thanks
>> sound card detection is broken on peach boards and gives below errors:
>>
>> [    3.630457] max98090 7-0010: MAX98091 REVID=0x51
>> [    3.634233] max98090 7-0010: use default 2.8v micbias
>> [    3.640985] snow-audio sound: HiFi <-> 3830000.i2s mapping ok
>> [    3.645307] max98090 7-0010: Invalid master clock frequency
>> [    3.650824] snow-audio sound: ASoC: Peach-Pi-I2S-MAX98091 late_probe() failed: -22
>> [    3.658914] snow-audio sound: snd_soc_register_card failed (-22)
>> [    3.664366] snow-audio: probe of sound failed with error -22
>>
>> This patch adds missing assigned-clocks and assigned-clock-parents for
>> pmu_system_controller node which is used as "mclk" for audio codec.
>>
>> Signed-off-by: Alim Akhtar <[email-masked]>
>> Fixes: 2fad972 ("ARM: dts: Add mclk entry for Peach boards")
>> Cc: <[email-masked]>
>> ---
>>   arch/arm/boot/dts/exynos5420-peach-pit.dts |    5 +++++
>>   arch/arm/boot/dts/exynos5800-peach-pi.dts  |    5 +++++
>>   2 files changed, 10 insertions(+)
>>
>> diff --git a/arch/arm/boot/dts/exynos5420-peach-pit.dts b/arch/arm/boot/dts/exynos5420-peach-pit.dts
>> index 8f4d76c..525a93a 100644
>> --- a/arch/arm/boot/dts/exynos5420-peach-pit.dts
>> +++ b/arch/arm/boot/dts/exynos5420-peach-pit.dts
>> @@ -1056,5 +1056,10 @@
>>   	timeout-sec = <32>;
>>   };
>>
>> +&pmu_system_controller {
>
> Please put the node in alphabetical order.
>
ok
>> +	assigned-clocks = <&pmu_system_controller 0>;
>> +	assigned-clock-parents =  <&clock CLK_FIN_PLL>;
>
> I might be missing something here but isn't the first clock of
> pmu_system_controller already a CLK_FIN_PLL? So you are reparenting the
> FIN_PLL to FIN_PLL?
>
> In the same time there is doubled space character after '='.
>
will remove

>> +};
>> +
>>   #include "cros-ec-keyboard.dtsi"
>>   #include "cros-adc-thermistors.dtsi"
>> diff --git a/arch/arm/boot/dts/exynos5800-peach-pi.dts b/arch/arm/boot/dts/exynos5800-peach-pi.dts
>> index 7d5b386..411de8f 100644
>> --- a/arch/arm/boot/dts/exynos5800-peach-pi.dts
>> +++ b/arch/arm/boot/dts/exynos5800-peach-pi.dts
>> @@ -1019,5 +1019,10 @@
>>   	timeout-sec = <32>;
>>   };
>>
>> +&pmu_system_controller {
>> +	assigned-clocks = <&pmu_system_controller 0>;
>> +	assigned-clock-parents =  <&clock CLK_FIN_PLL>;
>
> Ditto.
>
> Best regards,
> Krzysztof
>
>
>> +};
>> +
>>   #include "cros-ec-keyboard.dtsi"
>>   #include "cros-adc-thermistors.dtsi"
>>
>
>