[PATCH 7/7] dts: sdm845-db845c-u-boot: adjust MMC clocks

Caleb Connolly caleb.connolly at linaro.org
Wed Apr 10 14:23:51 CEST 2024



On 10/04/2024 12:56, Sumit Garg wrote:
> Hi Caleb,
> 
> On Tue, 9 Apr 2024 at 23:33, Caleb Connolly <caleb.connolly at linaro.org> wrote:
>>
>> Remove the reference to the xo clock which is on the unsupported rpmhcc
>> clock controller. It isn't needed for MMC functionality.
> 
> Can it rather be handled via a NOP clock driver for rpmhcc? I suppose
> this kind of DT modifications would push us away from upstream DT
> compatibility.

Yes, I plan to switch to that eventually with these patches (which I'll 
try and send soon). I just didn't want to leave this broken in the meantime.

https://git.codelinaro.org/linaro/qcomlt/u-boot/-/commit/85f5fc736777c9a0807c2187a613428f7cd305df

https://git.codelinaro.org/linaro/qcomlt/u-boot/-/commit/973279605dd19e823569d6f92962de9157d33a30
> 
> -Sumit
> 
>>
>> Signed-off-by: Caleb Connolly <caleb.connolly at linaro.org>
>> ---
>>   arch/arm/dts/sdm845-db845c-u-boot.dtsi | 7 +++++++
>>   1 file changed, 7 insertions(+)
>>
>> diff --git a/arch/arm/dts/sdm845-db845c-u-boot.dtsi b/arch/arm/dts/sdm845-db845c-u-boot.dtsi
>> index 906f9faa5451..9e4533e603c5 100644
>> --- a/arch/arm/dts/sdm845-db845c-u-boot.dtsi
>> +++ b/arch/arm/dts/sdm845-db845c-u-boot.dtsi
>> @@ -6,4 +6,11 @@
>>    */
>>   &pcie0_3p3v_dual {
>>          regulator-always-on;
>>   };
>> +
>> +&sdhc_2 {
>> +       /* Remove the unsupported rpmhcc xo clock reference */
>> +       clocks = <&gcc GCC_SDCC2_AHB_CLK>,
>> +                <&gcc GCC_SDCC2_APPS_CLK>;
>> +       clock-names = "iface", "core";
>> +};
>>
>> --
>> 2.44.0
>>

-- 
// Caleb (they/them)


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