linux-kernel - Re: [PATCH v18 1/6] dt-bindings: pwm: add IPQ6018 binding

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID:
 <DS7PR19MB88832537DA9998530BAAC9C39DCEA@DS7PR19MB8883.namprd19.prod.outlook.com>
Date: Mon, 10 Nov 2025 15:41:49 +0400
From: George Moussalem <george.moussalem@...look.com>
To: Uwe Kleine-König <ukleinek@...nel.org>,
 Bjorn Andersson <andersson@...nel.org>
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, Baruch Siach <baruch@...s.co.il>,
 Konrad Dybcio <konradybcio@...nel.org>, linux-arm-msm@...r.kernel.org,
 linux-pwm@...r.kernel.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org, Devi Priya <quic_devipriy@...cinc.com>,
 Baruch Siach <baruch.siach@...lu.com>, Krzysztof Kozlowski <krzk@...nel.org>
Subject: Re: [PATCH v18 1/6] dt-bindings: pwm: add IPQ6018 binding

Hi,

On 11/10/25 15:32, Uwe Kleine-König wrote:
> Hello,
> 
> On Wed, Oct 29, 2025 at 10:22:41AM -0500, Bjorn Andersson wrote:
>> On Wed, Oct 29, 2025 at 12:36:57PM +0400, George Moussalem via B4 Relay wrote:
>>> From: Devi Priya <quic_devipriy@...cinc.com>
>>>
>>> DT binding for the PWM block in Qualcomm IPQ6018 SoC.
>>> [George: added compatibles for IPQ5018, IPQ5332, and IPQ9574]
>>>
>>> Reviewed-by: Bjorn Andersson <bjorn.andersson@...aro.org>
>>> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
>>> Co-developed-by: Baruch Siach <baruch.siach@...lu.com>
>>> Signed-off-by: Baruch Siach <baruch.siach@...lu.com>
>>> Signed-off-by: Devi Priya <quic_devipriy@...cinc.com>
>>
>> This is where we expect the [George: ...] comment.
>>
>> I'll leave it up to Uwe to determine if he'd like you to resubmit this
>> or not though...
> 
> Don't resubmit because of that. BTW I only think this type of comment is
> important for changes that happen without involving the mailing list. A
> typical scenario is when a maintainer does some changes while applying
> the patch. In this case I'd say not mentioning the changes you did since
> you picked up the series is completely fine.
> 
>>> ---
>>>  .../devicetree/bindings/pwm/qcom,ipq6018-pwm.yaml  | 51 ++++++++++++++++++++++
>>>  1 file changed, 51 insertions(+)
>>>
>>> diff --git a/Documentation/devicetree/bindings/pwm/qcom,ipq6018-pwm.yaml b/Documentation/devicetree/bindings/pwm/qcom,ipq6018-pwm.yaml
>>> new file mode 100644
>>> index 0000000000000000000000000000000000000000..ca8e916f03276e93d755d574e2567b0e4b86a8ce
>>> --- /dev/null
>>> +++ b/Documentation/devicetree/bindings/pwm/qcom,ipq6018-pwm.yaml
>>> @@ -0,0 +1,51 @@
>>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
>>> +%YAML 1.2
>>> +---
>>> +$id: http://devicetree.org/schemas/pwm/qcom,ipq6018-pwm.yaml#
>>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>>> +
>>> +title: Qualcomm IPQ6018 PWM controller
>>> +
>>> +maintainers:
>>> +  - George Moussalem <george.moussalem@...look.com>
>>> +
>>> +properties:
>>> +  compatible:
>>> +    oneOf:
>>> +      - items:
>>> +          - enum:
>>> +              - qcom,ipq5018-pwm
>>> +              - qcom,ipq5332-pwm
>>> +              - qcom,ipq9574-pwm
>>> +          - const: qcom,ipq6018-pwm
>>> +      - const: qcom,ipq6018-pwm
>>> +
>>> +  reg:
>>> +    maxItems: 1
>>> +
>>> +  clocks:
>>> +    maxItems: 1
>>> +
>>> +  "#pwm-cells":
>>> +    const: 2
> 
> Please use 3 here.

The driver doesn't support polarity and I don't know whether the HW even
supports it. Hence, I kept it as 2 as originally submitted by qcom
(Devi). I don't have access to the datasheets. Would you like me to
resubmit a new version anyways or keep as is?

> 
> Best regards
> Uwe

Cheers,
George