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Fri, 29 Mar 2024 21:54:03 GMT Received: from [169.254.0.1] (10.49.16.6) by nalasex01c.na.qualcomm.com (10.47.97.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.4; Fri, 29 Mar 2024 14:54:00 -0700 From: Unnathi Chalicheemala Subject: [PATCH v4 0/5] LLCC: Support for Broadcast_AND region Date: Fri, 29 Mar 2024 14:53:39 -0700 Message-ID: <20240329-llcc-broadcast-and-v4-0-107c76fd8ceb@quicinc.com> Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-B4-Tracking: v=1; b=H4sIAGM4B2YC/x3Nyw6CMBCF4Vchs7ZNuWl15XsYY+p0gEmg1SkYE 8K7W1l+i/OfFRIJU4JLsYLQhxPHkNEcCsDBhZ4U+2yoTNWYujqrcURUT4nOo0uzcsErIjS2trW x/gh5+BLq+LtHb/fsTuKk5kHI7SmMHxJdnoxt29K2Rvc86/fC+Fjy5cg4XP/igBrjBNv2A6eJq XClAAAA To: Bjorn Andersson , Konrad Dybcio , Rob Herring , "Krzysztof Kozlowski" , Conor Dooley CC: , , , , Unnathi Chalicheemala X-Mailer: b4 0.12.4 X-Developer-Signature: v=1; a=ed25519-sha256; t=1711749240; l=3642; i=quic_uchalich@quicinc.com; s=20240202; h=from:subject:message-id; bh=aBs1Gl5l/nMbTRC+mcVuHiYzyIsEp4vfE2N7N6KGDZ8=; b=HLS9DMMzpzHNS+JPYjVSyto+T/47v/UFtMRXceJ2EKV+rnS2YSe/YsspB6B3V/F2GlVnyFFhr sBbGxZbf90IC9RXlrI/Z1gN0MJYOHWf49drHdW+vzETbO/Um9MPxmlu X-Developer-Key: i=quic_uchalich@quicinc.com; a=ed25519; pk=8n+IFmsCDcEIg91sUP/julv9kf7kmyIKT2sR+1yFd4A= X-ClientProxiedBy: nalasex01b.na.qualcomm.com (10.47.209.197) To nalasex01c.na.qualcomm.com (10.47.97.35) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: 1vuYOtRN4_b6Pu4u_ZC_meoW2-X6Tvw7 X-Proofpoint-GUID: 1vuYOtRN4_b6Pu4u_ZC_meoW2-X6Tvw7 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-03-29_13,2024-03-28_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 bulkscore=0 mlxscore=0 clxscore=1011 adultscore=0 priorityscore=1501 mlxlogscore=750 phishscore=0 impostorscore=0 malwarescore=0 suspectscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2403210001 definitions=main-2403290194 This series adds: 1. Device tree register mapping for Broadcast_AND region in SM8450, SM8550, SM8650. 2. LLCC driver updates to reflect addition of Broadcast_AND regmap. To support CSR programming, a broadcast interface is used to program all channels in a single command. Until SM8450 there was only one broadcast region (Broadcast_OR) used to broadcast write and check for status bit 0. From SM8450 onwards another broadcast region (Broadcast_AND) has been added which checks for status bit 1. This series updates the device trees from SM8450 onwards to have a mapping to this Broadcast_AND region. It also updates the llcc_drv_data structure with a regmap for Broadcast_AND region and corrects the broadcast region used to check for status bit 1. Changes in v4: - Updated Devicetree patches' commit messages to make problem statement clearer - Resolved Konrad's comments on driver code patch - Updated v3 changelog to include dropped R-b tag Changes in v3: - Removed new example in dt-bindings patch and ran 'make DT_CHECKER_FLAGS=-m dt_binding_check' - Dropped Krzysztof's R-b tag on dt-bindings patch - Use of ternary operator in llcc_update_act_ctrl() - Add comment before initialization of Broadcast_AND regmap in probe function - Move DeviceTree patches to the end Changes in v2: - Added an additional check in the case old DT files are used for above mentioned chipsets for backwards compatibility - Moved addition of if check in llcc_update_act_ctrl() to a separate "Fixes" patch; not part of this series Link to v3: https://lore.kernel.org/all/cover.1708551850.git.quic_uchalich@quicinc.com/ Link to v2: https://lore.kernel.org/all/cover.1707202761.git.quic_uchalich@quicinc.com/ Link to v1: https://lore.kernel.org/all/cover.1706296015.git.quic_uchalich@quicinc.com/ Unnathi Chalicheemala (5): dt-bindings: arm: msm: Add llcc Broadcast_AND register soc: qcom: llcc: Add regmap for Broadcast_AND region arm64: dts: qcom: sm8450: Add mapping to llcc Broadcast_AND region arm64: dts: qcom: sm8550: Add mapping to llcc Broadcast_AND region arm64: dts: qcom: sm8650: Add mapping to llcc Broadcast_AND region .../devicetree/bindings/cache/qcom,llcc.yaml | 27 ++++++++++++++++++- arch/arm64/boot/dts/qcom/sm8450.dtsi | 5 ++-- arch/arm64/boot/dts/qcom/sm8550.dtsi | 6 +++-- arch/arm64/boot/dts/qcom/sm8650.dtsi | 6 +++-- drivers/soc/qcom/llcc-qcom.c | 15 ++++++++++- include/linux/soc/qcom/llcc-qcom.h | 4 ++- 6 files changed, 54 insertions(+), 9 deletions(-) --- 2.25.1 --- Unnathi Chalicheemala (5): dt-bindings: arm: msm: Add llcc Broadcast_AND register soc: qcom: llcc: Add regmap for Broadcast_AND region arm64: dts: qcom: sm8450: Add mapping to llcc Broadcast_AND region arm64: dts: qcom: sm8550: Add Broadcast_AND register in LLCC block arm64: dts: qcom: sm8650: Add Broadcast_AND register in LLCC block .../devicetree/bindings/cache/qcom,llcc.yaml | 27 +++++++++++++++++++++- arch/arm64/boot/dts/qcom/sm8450.dtsi | 5 ++-- arch/arm64/boot/dts/qcom/sm8550.dtsi | 6 +++-- arch/arm64/boot/dts/qcom/sm8650.dtsi | 6 +++-- drivers/soc/qcom/llcc-qcom.c | 14 ++++++++++- include/linux/soc/qcom/llcc-qcom.h | 4 +++- 6 files changed, 53 insertions(+), 9 deletions(-) --- base-commit: 4535e1a4174c4111d92c5a9a21e542d232e0fcaa change-id: 20240329-llcc-broadcast-and-eec0838308d6 Best regards,