linux-kernel - Re: [PATCH v2 3/5] arm64: dts: qcom: sdx75: Add QPIC BAM support

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Message-ID: <9ad0d6ec-1391-5c41-24cd-7add0d3b1e08@quicinc.com>
Date: Tue, 22 Apr 2025 14:02:23 +0530
From: Kaushal Kumar <quic_kaushalk@...cinc.com>
To: Konrad Dybcio <konrad.dybcio@....qualcomm.com>, <vkoul@...nel.org>,
        <robh@...nel.org>, <krzk+dt@...nel.org>, <conor+dt@...nel.org>,
        <manivannan.sadhasivam@...aro.org>, <miquel.raynal@...tlin.com>,
        <richard@....at>, <vigneshr@...com>, <andersson@...nel.org>,
        <konradybcio@...nel.org>, <agross@...nel.org>
CC: <linux-arm-msm@...r.kernel.org>, <dmaengine@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-mtd@...ts.infradead.org>
Subject: Re: [PATCH v2 3/5] arm64: dts: qcom: sdx75: Add QPIC BAM support

On 4/15/2025 3:20 PM, Konrad Dybcio wrote:
> On 4/15/25 9:27 AM, Kaushal Kumar wrote:
>> Add devicetree node to enable support for QPIC BAM DMA controller on
>> Qualcomm SDX75 platform.
>>
>> Signed-off-by: Kaushal Kumar <quic_kaushalk@...cinc.com>
>> ---
>>   arch/arm64/boot/dts/qcom/sdx75.dtsi | 14 ++++++++++++++
>>   1 file changed, 14 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/sdx75.dtsi b/arch/arm64/boot/dts/qcom/sdx75.dtsi
>> index b0a8a0fe5f39..e3a0ee661c4a 100644
>> --- a/arch/arm64/boot/dts/qcom/sdx75.dtsi
>> +++ b/arch/arm64/boot/dts/qcom/sdx75.dtsi
>> @@ -880,6 +880,20 @@
>>   			qcom,bcm-voters = <&apps_bcm_voter>;
>>   		};
>>   
>> +		qpic_bam: dma-controller@...c000 {
>> +			compatible = "qcom,bam-v1.7.0";
> v1.7.4, looks good otherwise
Ack. v1.7.4 is backward compatible with v1.7.0 supported by the driver. 
I will update this in next patch version.
> Konrad
- Kaushal