linux-kernel - Re: [PATCH] arm64: dts: qcom: sm8650: add iris DT node

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Message-ID: <dafa92f7-1bcf-46a1-9a86-5b41e31ab7bc@linaro.org>
Date: Thu, 24 Apr 2025 14:43:21 +0200
From: Neil Armstrong <neil.armstrong@...aro.org>
To: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
Cc: Bjorn Andersson <andersson@...nel.org>,
 Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, linux-arm-msm@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: qcom: sm8650: add iris DT node

On 24/04/2025 13:17, Dmitry Baryshkov wrote:
> On Tue, Apr 22, 2025 at 09:07:41AM +0200, Neil Armstrong wrote:
>> On 19/04/2025 01:05, Dmitry Baryshkov wrote:
>>> On Fri, Apr 18, 2025 at 03:20:35PM +0200, Neil Armstrong wrote:
>>>> Add DT entries for the sm8650 iris decoder.
>>>>
>>>> Since the firmware is required to be signed, only enable
>>>> on Qualcomm development boards where the firmware is
>>>> available.
>>>>
>>>> Signed-off-by: Neil Armstrong <neil.armstrong@...aro.org>
>>>> ---
>>>>    arch/arm64/boot/dts/qcom/sm8650-hdk.dts |  5 ++
>>>>    arch/arm64/boot/dts/qcom/sm8650-mtp.dts |  5 ++
>>>>    arch/arm64/boot/dts/qcom/sm8650-qrd.dts |  5 ++
>>>
>>> I'd say that these are 4 commits.
>>
>> I could make 10 and still be coherent, but do we really need 4 here ?
> 
> The usual pattern was sm8650.dtsi + one for each board.

For big changes per board yes, I still don't think we need separate commits
for boards.

Neil

> 
>>
>>>
>>>>    arch/arm64/boot/dts/qcom/sm8650.dtsi    | 94 +++++++++++++++++++++++++++++++++
>>>>    4 files changed, 109 insertions(+)
>>>>
>>>> diff --git a/arch/arm64/boot/dts/qcom/sm8650-hdk.dts b/arch/arm64/boot/dts/qcom/sm8650-hdk.dts
>>>> index d0912735b54e5090f9f213c2c9341e03effbbbff..69db971d9d2d32cdee7bb1c3093c7849b94798a0 100644
>>>> --- a/arch/arm64/boot/dts/qcom/sm8650-hdk.dts
>>>> +++ b/arch/arm64/boot/dts/qcom/sm8650-hdk.dts
>>>> @@ -894,6 +894,11 @@ &ipa {
>>>>    	status = "okay";
>>>>    };
>>>> +&iris {
>>>> +	firmware-name = "qcom/vpu/vpu33_p4.mbn";
>>>
>>> You shouldn't need to specify this, it matches the default one.
>>
>> Hmm ok
>>
>>>
>>>> +	status = "okay";
>>>> +};
>>>> +
>>>>    &gpu {
>>>>    	status = "okay";
>>>> diff --git a/arch/arm64/boot/dts/qcom/sm8650-mtp.dts b/arch/arm64/boot/dts/qcom/sm8650-mtp.dts
>>>> index 76ef43c10f77d8329ccf0a05c9d590a46372315f..04108235d9bc6f977e9cf1b887b0c89537723387 100644
>>>> --- a/arch/arm64/boot/dts/qcom/sm8650-mtp.dts
>>>> +++ b/arch/arm64/boot/dts/qcom/sm8650-mtp.dts
>>>> @@ -585,6 +585,11 @@ vreg_l7n_3p3: ldo7 {
>>>>    	};
>>>>    };
>>>> +&iris {
>>>> +	firmware-name = "qcom/vpu/vpu33_p4.mbn";
>>>> +	status = "okay";
>>>> +};
>>>> +
>>>>    &lpass_tlmm {
>>>>    	spkr_1_sd_n_active: spkr-1-sd-n-active-state {
>>>>    		pins = "gpio21";
>>>> diff --git a/arch/arm64/boot/dts/qcom/sm8650-qrd.dts b/arch/arm64/boot/dts/qcom/sm8650-qrd.dts
>>>> index 71033fba21b56bc63620dca3e453c14191739675..58bdc6619ac55eda122f3fe6e680e0e61967d019 100644
>>>> --- a/arch/arm64/boot/dts/qcom/sm8650-qrd.dts
>>>> +++ b/arch/arm64/boot/dts/qcom/sm8650-qrd.dts
>>>> @@ -824,6 +824,11 @@ &ipa {
>>>>    	status = "okay";
>>>>    };
>>>> +&iris {
>>>> +	firmware-name = "qcom/vpu/vpu33_p4.mbn";
>>>> +	status = "okay";
>>>> +};
>>>> +
>>>>    &gpu {
>>>>    	status = "okay";
>>>
>>
>> Thanks,
>> Neil
>>
>