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[129.46.96.20]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-31429cf22b3sm17666314eec.0.2026.07.18.05.06.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 18 Jul 2026 05:06:26 -0700 (PDT) From: Gopikrishna Garmidi Date: Sat, 18 Jul 2026 05:06:22 -0700 Subject: [PATCH 2/5] arm64: dts: qcom: Add Kalambo SoC 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: <20260718-b4-kalambo-crd-v1-2-a1069b5a2757@oss.qualcomm.com> References: <20260718-b4-kalambo-crd-v1-0-a1069b5a2757@oss.qualcomm.com> In-Reply-To: <20260718-b4-kalambo-crd-v1-0-a1069b5a2757@oss.qualcomm.com> To: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Sibi Sankar , Pankaj Patil Cc: Rajendra Nayak , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Gopikrishna Garmidi X-Mailer: b4 0.15.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1784376384; l=1899; i=gopikrishna.garmidi@oss.qualcomm.com; s=20260102; h=from:subject:message-id; bh=TzedKeXLAra0qSDuAmNNbQ8B9mFMFD7tPwtLylk0Zr8=; b=oDb6ubnUbGZfNlz77xf3rrOOEG3fNj+RNlaP7aXCLvqvG4Kkzv6VLVg0LFlgHjW4WoXIWtDJJ 9TpRInqWyaRDFFCPboSM2rNBsboiPDE9wd18xN8gV69uxXxW1FoNeSu X-Developer-Key: i=gopikrishna.garmidi@oss.qualcomm.com; a=ed25519; pk=TkSjNEhrfsj90i3wkABTZtAjLNr2cfYsujaTvyOIDsE= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzE4MDEyMiBTYWx0ZWRfXwtKuxLCqKjpu cTLv7VFJqR7SYxLvub/gfMkmLd23wWn+XlBH1NSauhsvBRA+veD8Vsvu1ppJ/GdfT2pPYC4FZDg t2mGMUSM2TZRRZzO11DGUuBFRSFliLHwQNYf8dIhx1ShP5L+IWueFpwwFOlLD7dIr8CUZZ8AxBR WdYJsyZZ0oDkI+eO/DnAJCU72b81HCDO37wM5fvS3nT9DMfFIKRtJ5gcNHnIU0xFJjaHv6mDqLH 5AoHDvfrFOPfhuwcO5L98HwJa7FeWwA8chPGaoxZTxnu4S6NCHJ+zapRVbhGrwYPnWX163b7q9v oH+2Wsi5gHaswGF/Lvp6shEvQ5h61Y9f0WqosP9e/b6Y8lkCnUFtMqpzI4HzR+/pZjcyPNrPrjC csgKDFGjqDYPtGtwjk5ZsWwdlEyDAuEBkoUJU3+jS1cfqFwDeUalVIER26gtWD3g1E34MfHD2OX cxLip2L69jUl+WrYagA== X-Proofpoint-ORIG-GUID: yq5ChuRB4dN6GkxaUeWdJBkL1bfgEI6d X-Proofpoint-GUID: yq5ChuRB4dN6GkxaUeWdJBkL1bfgEI6d X-Proofpoint-Spam-Info: AW1haW4tMjYwNzE4MDEyMiBTYWx0ZWRfX66sSPRQuTijj tqjxTN0BXpIjYfxRSmyRfgzPur86RT8wBrk78vkraHiXFQi8IAQAQvwkxCr8WNtcmgrL+JLnuNo TNvA6mAnTSpcu1c2+x1HTeFWdmZmUUo= X-Authority-Analysis: v=2.4 cv=deOwG3Xe c=1 sm=1 tr=0 ts=6a5b6c44 cx=c_pps a=UNFcQwm+pnOIJct1K4W+Mw==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yOCtJkima9RkubShWh1s:22 a=EUspDBNiAAAA:8 a=CupqGq-JItAhHe7bgGQA:9 a=QEXdDO2ut3YA:10 a=uKXjsCUrEbL0IQVhDsJ9:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-18_03,2026-07-17_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 spamscore=0 malwarescore=0 clxscore=1015 phishscore=0 suspectscore=0 impostorscore=0 lowpriorityscore=0 adultscore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607180122 Introduce support for the Qualcomm Kalambo SoC. It is derived from Mahua with CPU cluster 0 removed, leaving it with just cluster 1. As a result, the PDP mailbox and SCP low-priority register windows are updated to match the reduced CPU complex. Everything else should work as-is. Add a label to the Glymur cluster0 cpu-map node to allow its removal on derived SoCs. Signed-off-by: Gopikrishna Garmidi --- arch/arm64/boot/dts/qcom/glymur.dtsi | 2 +- arch/arm64/boot/dts/qcom/kalambo.dtsi | 29 +++++++++++++++++++++++++++++ 2 files changed, 30 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/qcom/glymur.dtsi b/arch/arm64/boot/dts/qcom/glymur.dtsi index 55d91c696a3a..f2feef362be5 100644 --- a/arch/arm64/boot/dts/qcom/glymur.dtsi +++ b/arch/arm64/boot/dts/qcom/glymur.dtsi @@ -275,7 +275,7 @@ cpu17: cpu@20500 { }; cpu-map { - cluster0 { + cpu_map_cluster0: cluster0 { core0 { cpu = <&cpu0>; }; diff --git a/arch/arm64/boot/dts/qcom/kalambo.dtsi b/arch/arm64/boot/dts/qcom/kalambo.dtsi new file mode 100644 index 000000000000..a56ff68b57b4 --- /dev/null +++ b/arch/arm64/boot/dts/qcom/kalambo.dtsi @@ -0,0 +1,29 @@ +// SPDX-License-Identifier: BSD-3-Clause +/* + * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries. + */ + +#include "mahua.dtsi" + +/delete-node/ &cluster0_pd; +/delete-node/ &cpu_map_cluster0; +/delete-node/ &cpu0; +/delete-node/ &cpu1; +/delete-node/ &cpu2; +/delete-node/ &cpu3; +/delete-node/ &cpu4; +/delete-node/ &cpu5; +/delete-node/ &cpu_pd0; +/delete-node/ &cpu_pd1; +/delete-node/ &cpu_pd2; +/delete-node/ &cpu_pd3; +/delete-node/ &cpu_pd4; +/delete-node/ &cpu_pd5; + +&pdp0_mbox { + reg = <0 0x17610000 0 0x8000>, <0 0x1a980000 0 0x8000>; +}; + +&cpu_scp_lpri1 { + reg = <0x180 0x60>; +}; -- 2.34.1