linux-kernel - Re: [PATCH v6 3/8] remoteproc: qcom: Add compatible name for SC7280 ADSP

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Date:   Mon, 19 Sep 2022 19:41:32 +0530
From:   Srinivasa Rao Mandadapu <quic_srivasam@...cinc.com>
To:     Sibi Sankar <quic_sibis@...cinc.com>,
        <linux-remoteproc@...r.kernel.org>, <agross@...nel.org>,
        <bjorn.andersson@...aro.org>, <lgirdwood@...il.com>,
        <broonie@...nel.org>, <robh+dt@...nel.org>,
        <quic_plai@...cinc.com>, <bgoswami@...cinc.com>, <perex@...ex.cz>,
        <tiwai@...e.com>, <srinivas.kandagatla@...aro.org>,
        <quic_rohkumar@...cinc.com>, <linux-arm-msm@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <swboyd@...omium.org>,
        <judyhsiao@...omium.org>, <devicetree@...r.kernel.org>
Subject: Re: [PATCH v6 3/8] remoteproc: qcom: Add compatible name for SC7280
 ADSP


On 9/14/2022 2:52 PM, Sibi Sankar wrote:
Thanks for Your time Sibi Sankar!!!
>
> On 9/8/22 6:53 PM, Srinivasa Rao Mandadapu wrote:
>> Update adsp pil data and compatible name for loading ADSP
>> binary on SC7280 based platforms.
>>
>> Signed-off-by: Srinivasa Rao Mandadapu <quic_srivasam@...cinc.com>
>> ---
>> Changes since V5:
>>     -- Rename adsp_sandbox_needed to has_iommu.
>>     -- Change adsp binary extention name.
>> Changes since V3:
>>     -- Rename is_adsp_sb_needed to adsp_sandbox_needed.
>>     -- Update sc7280 compatible name entry in sorted order.
>> Changes since V2:
>>     -- Initialize is_adsp_sb_needed flag.
>>     -- Remove empty proxy pds array.
>>
>>   drivers/remoteproc/qcom_q6v5_adsp.c | 16 ++++++++++++++++
>>   1 file changed, 16 insertions(+)
>>
>> diff --git a/drivers/remoteproc/qcom_q6v5_adsp.c 
>> b/drivers/remoteproc/qcom_q6v5_adsp.c
>> index fa2ccac..02d17b4 100644
>> --- a/drivers/remoteproc/qcom_q6v5_adsp.c
>> +++ b/drivers/remoteproc/qcom_q6v5_adsp.c
>> @@ -702,6 +702,21 @@ static const struct adsp_pil_data 
>> adsp_resource_init = {
>>       },
>>   };
>>   +static const struct adsp_pil_data adsp_sc7280_resource_init = {
>> +    .crash_reason_smem = 423,
>> +    .firmware_name = "adsp.pbn",
>> +    .load_state = "adsp",
>
> given that you mention load_state info please make sure you
> mention qcom,qmp as a required property in the bindings.
Okay. Will add it in the bindings.
>
>> +    .ssr_name = "lpass",
>> +    .sysmon_name = "adsp",
>> +    .ssctl_id = 0x14,
>> +    .has_iommu = true,
>> +    .auto_boot = true,
>> +    .clk_ids = (const char*[]) {
>> +        "gcc_cfg_noc_lpass", NULL
>> +    },
>> +    .num_clks = 1,
>
> bindings seem to mention 6 other required clocks any reason why
> they were skipped?
Actually all other clocks are being enabled locally, without using clock 
framework, as the memory space conflict with other module occurred.
>
> AFAIK you'll also need lmx so you'll have to mention proxy_pd_names
> as well.
So far we didn't see any issue without LMX PD.
>
>> +};
>> +
>>   static const struct adsp_pil_data cdsp_resource_init = {
>>       .crash_reason_smem = 601,
>>       .firmware_name = "cdsp.mdt",
>> @@ -740,6 +755,7 @@ static const struct adsp_pil_data 
>> wpss_resource_init = {
>>     static const struct of_device_id adsp_of_match[] = {
>>       { .compatible = "qcom,qcs404-cdsp-pil", .data = 
>> &cdsp_resource_init },
>> +    { .compatible = "qcom,sc7280-adsp-pil", .data = 
>> &adsp_sc7280_resource_init },
>>       { .compatible = "qcom,sc7280-wpss-pil", .data = 
>> &wpss_resource_init },
>>       { .compatible = "qcom,sdm845-adsp-pil", .data = 
>> &adsp_resource_init },
>>       { },
>>