linux-kernel - Re: [PATCH v17 1/9] dt-bindings: pwm: add IPQ6018 binding

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Message-ID:
 <DS7PR19MB888323C008CB4F19864260FF9DEFA@DS7PR19MB8883.namprd19.prod.outlook.com>
Date: Fri, 10 Oct 2025 09:54:20 +0400
From: George Moussalem <george.moussalem@...look.com>
To: Baruch Siach <baruch@...s.co.il>,
 George Moussalem via B4 Relay
 <devnull+george.moussalem.outlook.com@...nel.org>
Cc: Uwe Kleine-König <ukleinek@...nel.org>,
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, Bjorn Andersson <andersson@...nel.org>,
 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>,
 Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
 Baruch Siach <baruch.siach@...lu.com>
Subject: Re: [PATCH v17 1/9] dt-bindings: pwm: add IPQ6018 binding

Hi Baruch,

On 10/8/25 20:08, Baruch Siach wrote:
> Hi George,
> 
> On Wed, Oct 08 2025, George Moussalem via B4 Relay wrote:
>> From: Devi Priya <quic_devipriy@...cinc.com>
>>
>> DT binding for the PWM block in Qualcomm IPQ6018 SoC.
>>
>> 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>
>> ---
>>  .../devicetree/bindings/pwm/qcom,ipq6018-pwm.yaml  | 44 ++++++++++++++++++++++
>>  1 file changed, 44 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..1172f0b53fadc140482f9384a36020260df372b7
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/pwm/qcom,ipq6018-pwm.yaml
>> @@ -0,0 +1,44 @@
>> +# 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:
>> +  - Baruch Siach <baruch@...s.co.il>
> 
> Unfortunately I have no access to this PWM hardware anymore. I don't
> think I can maintain hardware DT binding.
> 
> baruch

Got it, thanks. Will add myself as maintainer in next version.
I've tried contacting Devi too but got an NDR.

George>
>> +
>> +properties:
>> +  compatible:
>> +    const: qcom,ipq6018-pwm
>> +
>> +  reg:
>> +    maxItems: 1
>> +
>> +  clocks:
>> +    maxItems: 1
>> +
>> +  "#pwm-cells":
>> +    const: 2
>> +
>> +required:
>> +  - compatible
>> +  - reg
>> +  - clocks
>> +  - "#pwm-cells"
>> +
>> +additionalProperties: false
>> +
>> +examples:
>> +  - |
>> +    #include <dt-bindings/clock/qcom,gcc-ipq6018.h>
>> +
>> +    pwm: pwm@...1010 {
>> +        compatible = "qcom,ipq6018-pwm";
>> +        reg = <0x01941010 0x20>;
>> +        clocks = <&gcc GCC_ADSS_PWM_CLK>;
>> +        assigned-clocks = <&gcc GCC_ADSS_PWM_CLK>;
>> +        assigned-clock-rates = <100000000>;
>> +        #pwm-cells = <2>;
>> +    };
>