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Wed, 13 May 2026 11:52:48 -0700 (PDT) Received: from hu-kuldsing-hyd.qualcomm.com ([202.46.23.25]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-368ee626a04sm3660219a91.14.2026.05.13.11.52.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 13 May 2026 11:52:48 -0700 (PDT) From: Kuldeep Singh Date: Thu, 14 May 2026 00:22:21 +0530 Subject: [PATCH v2 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: <20260514-knp_qce-v2-2-890e3372eef8@oss.qualcomm.com> References: <20260514-knp_qce-v2-0-890e3372eef8@oss.qualcomm.com> In-Reply-To: <20260514-knp_qce-v2-0-890e3372eef8@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-Proofpoint-GUID: gsRM3TSa0YEkFZ9i1l5xdBwPaZJr2uau X-Proofpoint-ORIG-GUID: gsRM3TSa0YEkFZ9i1l5xdBwPaZJr2uau X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNTEzMDE4NiBTYWx0ZWRfX7berBhc2R/FP fAUtUjHXBL7vkDlUSeaaB8u3NK0i3o+KkOmYach5WTFaiyPbhWrSJIj8oLWci8vGYP7/JSbuaxi H9sxlEd25AnBG1k5OYgHKFZK/PEL7uHPthKRVN2XyxV8n3weoHmiLCOSoovOZLZxyhmLdg3GVx9 CWY3PooNeavptRCZLots/tsGpq0+5U9/EJ7V/5LpFj1fx2jeiqQSclrw6CFlyw4ycaJjUe0EVGD umLcPX/EUSNrnGQHihwppkWz5dKTiMMQMfgNch81FsuwIzWaz0qzbmMTZH5YKnwp+kRGLvlAzym vETJHw34EYgrgmfjZIdUHi1Vd+1LE/Yyjw/WEM3Du10hqspjtAjQbdMXRBRKdz2RNvVUSKsHbbo oWmAIovB1Bblt8mqwHWRQ151v6/iD/MrBr7K9OwEQxVW5cXt+mSNE7uO4b3Bp4nizQ9LDY0U5Ne jamRq9Utdzf7sWc/aWQ== X-Authority-Analysis: v=2.4 cv=PbDPQChd c=1 sm=1 tr=0 ts=6a04c882 cx=c_pps a=RP+M6JBNLl+fLTcSJhASfg==:117 a=ZePRamnt/+rB5gQjfz0u9A==:17 a=IkcTkHD0fZMA:10 a=NGcC8JguVDcA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_glEPmIy2e8OvE2BGh3C:22 a=EUspDBNiAAAA:8 a=RYeHZzZGa2Tlkre8v9EA:9 a=QEXdDO2ut3YA:10 a=iS9zxrgQBfv6-_F4QbHw:22 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 impostorscore=0 adultscore=0 suspectscore=0 lowpriorityscore=0 priorityscore=1501 bulkscore=0 phishscore=0 malwarescore=0 spamscore=0 clxscore=1015 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2605050000 definitions=main-2605130186 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