2022-02-21 08:06:57

by Manivannan Sadhasivam

[permalink] [raw]
Subject: Re: [PATCH v3 2/7] mailbox: qcom: Add support for SDX65 APCS IPC

On Mon, Feb 21, 2022 at 10:52:28AM +0530, Rohit Agarwal wrote:
> In SDX65, the IPC bits are located in the APCS GCC block. Also, this block
> can provide clock functionality. Hence, add support for IPC with correct
> offset and name of the clock provider.
>
> Signed-off-by: Rohit Agarwal <[email protected]>
> ---
> drivers/mailbox/qcom-apcs-ipc-mailbox.c | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/drivers/mailbox/qcom-apcs-ipc-mailbox.c b/drivers/mailbox/qcom-apcs-ipc-mailbox.c
> index 9325d2a..54d7659 100644
> --- a/drivers/mailbox/qcom-apcs-ipc-mailbox.c
> +++ b/drivers/mailbox/qcom-apcs-ipc-mailbox.c
> @@ -53,6 +53,10 @@ static const struct qcom_apcs_ipc_data sdx55_apcs_data = {
> .offset = 0x1008, .clk_name = "qcom-sdx55-acps-clk"
> };
>
> +static const struct qcom_apcs_ipc_data sdx65_apcs_data = {
> + .offset = 0x1008, .clk_name = "qcom-sdx55-acps-clk"
> +};

What I suggested was reusing the "qcom,sdx55-apcs-gcc" compatible in devicetree.
So with that, you won't need this specific compatible for SDX65 that essentially
duplicates SDX55.

Thanks,
Mani

> +
> static const struct regmap_config apcs_regmap_config = {
> .reg_bits = 32,
> .reg_stride = 4,
> @@ -159,6 +163,7 @@ static const struct of_device_id qcom_apcs_ipc_of_match[] = {
> { .compatible = "qcom,sm8150-apss-shared", .data = &apps_shared_apcs_data },
> { .compatible = "qcom,sm6115-apcs-hmss-global", .data = &msm8994_apcs_data },
> { .compatible = "qcom,sdx55-apcs-gcc", .data = &sdx55_apcs_data },
> + { .compatible = "qcom,sdx65-apcs-gcc", .data = &sdx65_apcs_data },
> {}
> };
> MODULE_DEVICE_TABLE(of, qcom_apcs_ipc_of_match);
> --
> 2.7.4
>


2022-02-21 09:29:24

by Rohit Agarwal

[permalink] [raw]
Subject: Re: [PATCH v3 2/7] mailbox: qcom: Add support for SDX65 APCS IPC


On 2/21/2022 11:05 AM, Manivannan Sadhasivam wrote:
> On Mon, Feb 21, 2022 at 10:52:28AM +0530, Rohit Agarwal wrote:
>> In SDX65, the IPC bits are located in the APCS GCC block. Also, this block
>> can provide clock functionality. Hence, add support for IPC with correct
>> offset and name of the clock provider.
>>
>> Signed-off-by: Rohit Agarwal <[email protected]>
>> ---
>> drivers/mailbox/qcom-apcs-ipc-mailbox.c | 5 +++++
>> 1 file changed, 5 insertions(+)
>>
>> diff --git a/drivers/mailbox/qcom-apcs-ipc-mailbox.c b/drivers/mailbox/qcom-apcs-ipc-mailbox.c
>> index 9325d2a..54d7659 100644
>> --- a/drivers/mailbox/qcom-apcs-ipc-mailbox.c
>> +++ b/drivers/mailbox/qcom-apcs-ipc-mailbox.c
>> @@ -53,6 +53,10 @@ static const struct qcom_apcs_ipc_data sdx55_apcs_data = {
>> .offset = 0x1008, .clk_name = "qcom-sdx55-acps-clk"
>> };
>>
>> +static const struct qcom_apcs_ipc_data sdx65_apcs_data = {
>> + .offset = 0x1008, .clk_name = "qcom-sdx55-acps-clk"
>> +};
> What I suggested was reusing the "qcom,sdx55-apcs-gcc" compatible in devicetree.
> So with that, you won't need this specific compatible for SDX65 that essentially
> duplicates SDX55.
Clear. Will update. Thanks!
> Thanks,
> Mani
>
>> +
>> static const struct regmap_config apcs_regmap_config = {
>> .reg_bits = 32,
>> .reg_stride = 4,
>> @@ -159,6 +163,7 @@ static const struct of_device_id qcom_apcs_ipc_of_match[] = {
>> { .compatible = "qcom,sm8150-apss-shared", .data = &apps_shared_apcs_data },
>> { .compatible = "qcom,sm6115-apcs-hmss-global", .data = &msm8994_apcs_data },
>> { .compatible = "qcom,sdx55-apcs-gcc", .data = &sdx55_apcs_data },
>> + { .compatible = "qcom,sdx65-apcs-gcc", .data = &sdx65_apcs_data },
>> {}
>> };
>> MODULE_DEVICE_TABLE(of, qcom_apcs_ipc_of_match);
>> --
>> 2.7.4
>>