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Wed, 13 May 2026 11:40:25 -0700 (PDT) Received: from hu-kuldsing-hyd.qualcomm.com ([202.46.23.25]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-c826771a8a1sm15271009a12.24.2026.05.13.11.40.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 13 May 2026 11:40:24 -0700 (PDT) From: Kuldeep Singh Date: Thu, 14 May 2026 00:10:03 +0530 Subject: [PATCH 1/3] dt-bindings: dma: qcom,bam-dma: Document BAM v2.0.0 compatible Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Message-Id: <20260514-knp_qce-v1-1-0ebdac98e50c@oss.qualcomm.com> References: <20260514-knp_qce-v1-0-0ebdac98e50c@oss.qualcomm.com> In-Reply-To: <20260514-knp_qce-v1-0-0ebdac98e50c@oss.qualcomm.com> To: Vinod Koul , Frank Li , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Andy Gross , Bjorn Andersson , Konrad Dybcio Cc: Harshal Dev , Arun Neelakantam , linux-arm-msm@vger.kernel.org, linux-arm-msm@vger.kernel.org, dmaengine@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Kuldeep Singh X-Mailer: b4 0.15.1 X-Authority-Analysis: v=2.4 cv=XIIAjwhE c=1 sm=1 tr=0 ts=6a04c59a cx=c_pps a=Qgeoaf8Lrialg5Z894R3/Q==:117 a=ZePRamnt/+rB5gQjfz0u9A==:17 a=IkcTkHD0fZMA:10 a=NGcC8JguVDcA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_K5XuSEh1TEqbUxoQ0s3:22 a=EUspDBNiAAAA:8 a=QMZoEd0Ms9iLIoMSFykA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=x9snwWr2DeNwDh03kgHS:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNTEzMDE4NCBTYWx0ZWRfX5S1y9yku7nyH pxJGi/N5PSrYa5Nf/TLF02zZio2bTcDWrxx+DCQrSy8MOrj9cUlNa2DQ9ksHVaIdDdumQAiu4WJ VXUuJN6xrkwLemtRKIFVWRbuR64DKpC6D058gznHRhcYHOcWUX5T227tt1InggEi2gSJdvPBspK 0gDrORaXh2tcT4U18nUtQcFfYZQWwoveVxXv9wAHte4ugxUa/bqy0P975FnfkFPJOyQDEPGx5DW ZEGlcw8TM3+i0rmVs2eCXB7XQKy2OwDWKHZAcUpKSEOW8/z3NcZWT0Fv2jAUKzNF8Q734bEBZr4 gImdNd7UlFasmkYMbSxILwnFnZ5AyW+nqpoR+u+6iDOQofFC5igbXGR491tPRN/1Sw9HzTd0gR+ 7MxpFtN2KuOKlwIs1ffH/k7G2fikxGKjAQvL2snGW75GLjEUv3AKBcZT9kc1StRQp4jiUfhejXh Ko8FDc4ti1VB0gykCLg== X-Proofpoint-ORIG-GUID: eXfLL9XvnaS7yLDxMPWtQGF6gvu22KqP X-Proofpoint-GUID: eXfLL9XvnaS7yLDxMPWtQGF6gvu22KqP X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-05-13_02,2026-05-13_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 adultscore=0 priorityscore=1501 impostorscore=0 malwarescore=0 bulkscore=0 clxscore=1015 spamscore=0 lowpriorityscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2605050000 definitions=main-2605130184 Document compatible string for bam v2.0.0 version found on kaanapali. BAM v2.0.0 differs from the earlier v1.7.X revision in terms of register layout and offsets, requiring a distinct compatible for correct hardware description. Also add a new example for BAM v2.0.0 to illustrate a more complete configuration than the existing v1.4 example. The new example covers 64-bit address and size cells, IOMMU bindings and execution environment–related properties required on newer platforms. Signed-off-by: Kuldeep Singh --- .../devicetree/bindings/dma/qcom,bam-dma.yaml | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/Documentation/devicetree/bindings/dma/qcom,bam-dma.yaml b/Documentation/devicetree/bindings/dma/qcom,bam-dma.yaml index 6493a6968bb4..0923fb189ada 100644 --- a/Documentation/devicetree/bindings/dma/qcom,bam-dma.yaml +++ b/Documentation/devicetree/bindings/dma/qcom,bam-dma.yaml @@ -23,6 +23,8 @@ properties: - qcom,bam-v1.4.0 # MSM8916, SDM630 - qcom,bam-v1.7.0 + # Kaanapali + - qcom,bam-v2.0.0 - items: - enum: # SDM845, SM6115, SM8150, SM8250 and QCM2290 @@ -118,4 +120,23 @@ examples: #dma-cells = <1>; qcom,ee = <0>; }; + - | + #include + + soc { + #address-cells = <2>; + #size-cells = <2>; + + dma-controller@1dc4000 { + compatible = "qcom,bam-v2.0.0"; + reg = <0x0 0x01dc4000 0x0 0x22000>; + interrupts = ; + #dma-cells = <1>; + iommus = <&apps_smmu 0xc0 0>, <&apps_smmu 0xc1 0>; + qcom,ee = <0>; + qcom,num-ees = <4>; + num-channels = <20>; + qcom,controlled-remotely; + }; + }; ... -- 2.34.1