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Fri, 24 Apr 2026 04:35:00 -0700 (PDT) Received: from hu-kuldsing-hyd.qualcomm.com ([202.46.23.25]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3614186adddsm24204734a91.2.2026.04.24.04.34.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 24 Apr 2026 04:34:59 -0700 (PDT) From: Kuldeep Singh Date: Fri, 24 Apr 2026 17:04:16 +0530 Subject: [PATCH 2/3] dmaengine: qcom: bam_dma: Add support for BAM v2.0.0 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: 7bit Message-Id: <20260424-knp_qce-v1-2-813e18f8f355@oss.qualcomm.com> References: <20260424-knp_qce-v1-0-813e18f8f355@oss.qualcomm.com> In-Reply-To: <20260424-knp_qce-v1-0-813e18f8f355@oss.qualcomm.com> To: Vinod Koul , Frank Li , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Andy Gross , Bjorn Andersson , Konrad Dybcio Cc: Harshal Dev , 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-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDI0MDExMCBTYWx0ZWRfX12EBzFkhROKa bQN4QEL7eqOeGEk8GLuVTBlxjmt/OBWsdRRODLJTyNfGvZJx0msTIBWv5F1SPfpVhDtVKkq+dUa gaMp+NzAYRMRA3FHqCYw8FpSsFGe4T2zXUkqZ9L43+6r5BlakUQQ1BBPOKEPuKV+hiClqY3GflJ lBnH5Fi8rVVOgSe8YndQhrNZLBv5qp8fv08LCR1JA5bF3KooJ8pxsjv/yDrdBGgll+GyNg0uPcD 7ZOOB6KeQPvBrZrr3rNQIvaLO3izBeehBKlf7W5a7xIy8ahkPs1OTCYP5Z7d7QNakn37lDLK2vE eQa6V9uTK0TzjP9iB0ic8IHJGmslCev/W8YM3hx87krnNfg+S6FnQPXEn+rYDFCmB/qIPHWhqw8 b3KYLVnf8M46zo0kBN4dXobJHjzEdCrpjWEhAM2GZGCw1KUa0lNvmg5IdljfzH7auvDBo3pgqdP AJGrVu5n3utsjcSufiA== X-Authority-Analysis: v=2.4 cv=TtnWQjXh c=1 sm=1 tr=0 ts=69eb5565 cx=c_pps a=RP+M6JBNLl+fLTcSJhASfg==:117 a=ZePRamnt/+rB5gQjfz0u9A==:17 a=IkcTkHD0fZMA:10 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=3WHJM1ZQz_JShphwDgj5:22 a=EUspDBNiAAAA:8 a=RYeHZzZGa2Tlkre8v9EA:9 a=QEXdDO2ut3YA:10 a=iS9zxrgQBfv6-_F4QbHw:22 X-Proofpoint-ORIG-GUID: tpIWLja4mmxIZH2J8yu0fs2MXOb8TCLa X-Proofpoint-GUID: tpIWLja4mmxIZH2J8yu0fs2MXOb8TCLa 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=2026-04-23_03,2026-04-21_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 impostorscore=0 malwarescore=0 clxscore=1015 adultscore=0 spamscore=0 bulkscore=0 suspectscore=0 phishscore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604200000 definitions=main-2604240110 Add register offset table entry for bam v2.0.0 version found on kaanapali. Signed-off-by: Kuldeep Singh --- drivers/dma/qcom/bam_dma.c | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/drivers/dma/qcom/bam_dma.c b/drivers/dma/qcom/bam_dma.c index 19116295f832..1bb26af0405f 100644 --- a/drivers/dma/qcom/bam_dma.c +++ b/drivers/dma/qcom/bam_dma.c @@ -199,6 +199,35 @@ static const struct reg_offset_data bam_v1_7_reg_info[] = { [BAM_P_FIFO_SIZES] = { 0x13820, 0x00, 0x1000, 0x00 }, }; +static const struct reg_offset_data bam_v2_0_reg_info[] = { + [BAM_CTRL] = { 0x0000, 0x00, 0x00, 0x00 }, + [BAM_REVISION] = { 0x1000, 0x00, 0x00, 0x00 }, + [BAM_NUM_PIPES] = { 0x1008, 0x00, 0x00, 0x00 }, + [BAM_DESC_CNT_TRSHLD] = { 0x0008, 0x00, 0x00, 0x00 }, + [BAM_IRQ_SRCS] = { 0x3010, 0x00, 0x00, 0x00 }, + [BAM_IRQ_SRCS_MSK] = { 0x3014, 0x00, 0x00, 0x00 }, + [BAM_IRQ_SRCS_UNMASKED] = { 0x3018, 0x00, 0x00, 0x00 }, + [BAM_IRQ_STTS] = { 0x0014, 0x00, 0x00, 0x00 }, + [BAM_IRQ_CLR] = { 0x0018, 0x00, 0x00, 0x00 }, + [BAM_IRQ_EN] = { 0x001C, 0x00, 0x00, 0x00 }, + [BAM_CNFG_BITS] = { 0x007C, 0x00, 0x00, 0x00 }, + [BAM_IRQ_SRCS_EE] = { 0x3000, 0x00, 0x00, 0x1000 }, + [BAM_IRQ_SRCS_MSK_EE] = { 0x3004, 0x00, 0x00, 0x1000 }, + [BAM_P_CTRL] = { 0xC000, 0x1000, 0x00, 0x00 }, + [BAM_P_RST] = { 0xC004, 0x1000, 0x00, 0x00 }, + [BAM_P_HALT] = { 0xC008, 0x1000, 0x00, 0x00 }, + [BAM_P_IRQ_STTS] = { 0xC010, 0x1000, 0x00, 0x00 }, + [BAM_P_IRQ_CLR] = { 0xC014, 0x1000, 0x00, 0x00 }, + [BAM_P_IRQ_EN] = { 0xC018, 0x1000, 0x00, 0x00 }, + [BAM_P_EVNT_DEST_ADDR] = { 0xC82C, 0x00, 0x1000, 0x00 }, + [BAM_P_EVNT_REG] = { 0xC818, 0x00, 0x1000, 0x00 }, + [BAM_P_SW_OFSTS] = { 0xC800, 0x00, 0x1000, 0x00 }, + [BAM_P_DATA_FIFO_ADDR] = { 0xC824, 0x00, 0x1000, 0x00 }, + [BAM_P_DESC_FIFO_ADDR] = { 0xC81C, 0x00, 0x1000, 0x00 }, + [BAM_P_EVNT_GEN_TRSHLD] = { 0xC828, 0x00, 0x1000, 0x00 }, + [BAM_P_FIFO_SIZES] = { 0xC820, 0x00, 0x1000, 0x00 }, +}; + /* BAM CTRL */ #define BAM_SW_RST BIT(0) #define BAM_EN BIT(1) @@ -1208,6 +1237,7 @@ static const struct of_device_id bam_of_match[] = { { .compatible = "qcom,bam-v1.3.0", .data = &bam_v1_3_reg_info }, { .compatible = "qcom,bam-v1.4.0", .data = &bam_v1_4_reg_info }, { .compatible = "qcom,bam-v1.7.0", .data = &bam_v1_7_reg_info }, + { .compatible = "qcom,bam-v2.0.0", .data = &bam_v2_0_reg_info }, {} }; -- 2.34.1