[PATCH 3/4] ARM: dts: qcom: apq8074-dragonboard: enable adsp and MSS

Dmitry Baryshkov dmitry.baryshkov at linaro.org
Mon May 8 10:49:07 UTC 2023


On 08/05/2023 13:38, Konrad Dybcio wrote:
> 
> 
> On 8.05.2023 12:33, Dmitry Baryshkov wrote:
>> On 08/05/2023 11:33, Konrad Dybcio wrote:
>>>
>>>
>>> On 7.05.2023 21:07, Dmitry Baryshkov wrote:
>>>> Enable ADSP and Modem DSPs on APQ8074 dragonboard. The MSS region
>>>> differs from the one defined in the msm8974, so it overriden locally.
>>>>
>>>> The modem is specified use mba.mbn instead of mbn.b00 (for the sake of
>>>> similarity with other platforms). This requires a patch for remoteproc
>>>> to be applied [1].
>>>>
>>>> [1] https://lore.kernel.org/all/20230507172041.2320279-1-dmitry.baryshkov@linaro.org/
>>>>
>>>> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>
>>>> ---
>>>>    .../arm/boot/dts/qcom-apq8074-dragonboard.dts | 28 +++++++++++++++++++
>>>>    1 file changed, 28 insertions(+)
>>>>
>>>> diff --git a/arch/arm/boot/dts/qcom-apq8074-dragonboard.dts b/arch/arm/boot/dts/qcom-apq8074-dragonboard.dts
>>>> index 6b047c679370..c893afc00eb4 100644
>>>> --- a/arch/arm/boot/dts/qcom-apq8074-dragonboard.dts
>>>> +++ b/arch/arm/boot/dts/qcom-apq8074-dragonboard.dts
>>>> @@ -4,6 +4,8 @@
>>>>    #include "qcom-pm8841.dtsi"
>>>>    #include "qcom-pm8941.dtsi"
>>>>    +/delete-node/ &mpss_region;
>>>> +
>>>>    / {
>>>>        model = "Qualcomm APQ8074 Dragonboard";
>>>>        compatible = "qcom,apq8074-dragonboard", "qcom,apq8074";
>>>> @@ -17,6 +19,13 @@ aliases {
>>>>        chosen {
>>>>            stdout-path = "serial0:115200n8";
>>>>        };
>>>> +
>>>> +    reserved-memory {
>>>> +        mpss_region: mpss at ac00000 {
>>>> +            reg = <0x0ac00000 0x2500000>;
>>>> +            no-map;
>>>> +        };
>>>> +    };
>>>>    };
>>>>      &blsp1_uart2 {
>>>> @@ -39,6 +48,25 @@ eeprom: eeprom at 52 {
>>>>        };
>>>>    };
>>>>    +&remoteproc_adsp {
>>>> +    cx-supply = <&pm8841_s2>;
>>>> +
>>>> +    firmware-name = "qcom/apq8074/adsp.mbn";
>>>> +
>>>> +    status = "okay";
>>>> +};
>>>> +
>>>> +&remoteproc_mss {
>>>> +    cx-supply = <&pm8841_s2>;
>>>> +    mss-supply = <&pm8841_s3>;
>>>> +    mx-supply = <&pm8841_s1>;
>>>> +    pll-supply = <&pm8941_l12>;
>>> High time to move this to rpmpd!
>>> I won't object to adding this though, as it obviously works
>>> and is already used on other boards..
>>
>> I think the problem is that they are not level-voted on this platform, so they are regulators, not PDs.
> They're corner-voted.

Hmm. Indeed. In msm8974-regulators I see both voltage and corner entries 
for these regulators.

> 
> Konrad
>>
>>>
>>>> +
>>>> +    firmware-name = "qcom/apq8074/mba.mbn", "qcom/apq8074/modem.mbn";
>>> Could you please keep it one entry per line?
>>
>> Sure.
>>
>>>
>>> Otherwise,
>>>
>>> Reviewed-by: Konrad Dybcio <konrad.dybcio at linaro.org>
>>>
>>> Konrad
>>>> +
>>>> +    status = "okay";
>>>> +};
>>>> +
>>>>    &rpm_requests {
>>>>        regulators-0 {
>>>>            compatible = "qcom,rpm-pm8841-regulators";
>>

-- 
With best wishes
Dmitry



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