linux-kernel - Re: [PATCH v3 4/5 RESEND] thermal: qcom-spmi-temp-alarm: add support for GEN2 rev 2 PMIC peripherals

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Message-ID: <6031624c-9c65-4df8-88db-96800d58c910@oss.qualcomm.com>
Date: Wed, 23 Apr 2025 16:31:18 -0700
From: Anjelique Melendez <anjelique.melendez@....qualcomm.com>
To: Daniel Lezcano <daniel.lezcano@...aro.org>
Cc: amitk@...nel.org, thara.gopinath@...il.com, rafael@...nel.org,
        rui.zhang@...el.com, lukasz.luba@....com,
        david.collins@....qualcomm.com, srinivas.kandagatla@...aro.org,
        stefan.schmidt@...aro.org, quic_tsoni@...cinc.com,
        linux-arm-msm@...r.kernel.org, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org, dmitry.baryshkov@...aro.org
Subject: Re: [PATCH v3 4/5 RESEND] thermal: qcom-spmi-temp-alarm: add support
 for GEN2 rev 2 PMIC peripherals



On 4/18/2025 4:19 AM, Daniel Lezcano wrote:
> On Thu, Mar 20, 2025 at 01:24:07PM -0700, Anjelique Melendez wrote:
>> Add support for TEMP_ALARM GEN2 PMIC peripherals with digital major
>> revision 2.  This revision utilizes individual temp DAC registers
>> to set the threshold temperature for over-temperature stages 1,
>> 2, and 3 instead of a single register to specify a set of
>> thresholds.
> 
> Can you elaborate what are the different stages in the QCom semantic ?
>  
Stage 1: warning
Stage 2: system shutdown
Stage 3: emergency shutdown

This is the same as was outlined in original driver documentation: 
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/drivers/thermal?h=v5.4.281&id=f1599f9e4cd6f1dd0cad202853fb830854f4e944.
Will add this info to commit.

>> Signed-off-by: David Collins <david.collins@....qualcomm.com>
>> Signed-off-by: Anjelique Melendez <anjelique.melendez@....qualcomm.com>
>> ---
>>   drivers/thermal/qcom/qcom-spmi-temp-alarm.c | 136 ++++++++++++++++++++
>>   1 file changed, 136 insertions(+)
>>