linux-kernel - Re: [PATCH v2 3/6] clk: qcom: Add lpass clock controller driver for SC8280XP

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Message-ID: <b01ca147-c2bd-1044-22c5-5b54a0f108c0@linaro.org>
Date:   Wed, 7 Jun 2023 14:19:44 +0100
From:   Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        andersson@...nel.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org
Cc:     johan+linaro@...nel.org, agross@...nel.org,
        konrad.dybcio@...aro.org, mturquette@...libre.com,
        sboyd@...nel.org, conor+dt@...nel.org,
        linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 3/6] clk: qcom: Add lpass clock controller driver for
 SC8280XP



On 31/05/2023 21:01, Krzysztof Kozlowski wrote:
> On 25/05/2023 14:29, Srinivas Kandagatla wrote:
>> Add support for the lpass clock controller found on SC8280XP based devices.
>> This would allow lpass peripheral loader drivers to control the clocks and
>> bring the subsystems out of reset.
>>
>> Currently this patch only supports resets as the Q6DSP is in control of
>> LPASS IP which manages most of the clocks via Q6PRM service on GPR rpmsg
>> channel.
>>
>> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
>> ---
>>   drivers/clk/qcom/Kconfig            |  8 ++++
>>   drivers/clk/qcom/Makefile           |  1 +
>>   drivers/clk/qcom/lpasscc-sc8280xp.c | 63 +++++++++++++++++++++++++++++
>>   3 files changed, 72 insertions(+)
>>   create mode 100644 drivers/clk/qcom/lpasscc-sc8280xp.c
>>
>> diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig
>> index 85869e7a9f16..e25993abb519 100644
>> --- a/drivers/clk/qcom/Kconfig
>> +++ b/drivers/clk/qcom/Kconfig
>> @@ -523,6 +523,14 @@ config SC_LPASSCC_7280
>>   	  Say Y if you want to use the LPASS branch clocks of the LPASS clock
>>   	  controller to reset the LPASS subsystem.
>>   
>> +config SC_LPASSCC_8280XP
>> +	tristate "SC8280 Low Power Audio Subsystem (LPASS) Clock Controller"
> 
> depends on ARM64 || COMPILE_TEST

Thanks, Will do that in v3.

--srini
> 
> Best regards,
> Krzysztof
>