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Fri, 22 May 2026 12:54:09 -0700 (PDT) Received: from hu-mojha-hyd.qualcomm.com ([202.46.23.25]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2beb5695f05sm33541155ad.6.2026.05.22.12.54.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 May 2026 12:54:09 -0700 (PDT) From: Mukesh Ojha To: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Robert Marko , Guru Das Srinagesh Cc: cros-qcom-dts-watchers@chromium.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Mukesh Ojha Subject: [PATCH v3 02/18] dt-bindings: sram: qcom,imem: Add minidump-sram pattern property Date: Sat, 23 May 2026 01:19:53 +0530 Message-ID: <20260522195009.2961022-3-mukesh.ojha@oss.qualcomm.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260522195009.2961022-1-mukesh.ojha@oss.qualcomm.com> References: <20260522195009.2961022-1-mukesh.ojha@oss.qualcomm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Authority-Analysis: v=2.4 cv=Fus1OWrq c=1 sm=1 tr=0 ts=6a10b462 cx=c_pps a=MTSHoo12Qbhz2p7MsH1ifg==:117 a=ZePRamnt/+rB5gQjfz0u9A==:17 a=NGcC8JguVDcA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=YMgV9FUhrdKAYTUUvYB2:22 a=EUspDBNiAAAA:8 a=Ljd-b6_uVLw3iGfjcQwA:9 a=GvdueXVYPmCkWapjIL-Q:22 X-Proofpoint-ORIG-GUID: SDbLuyVl19-L1uR1JQMCDQnKj94Kt20A X-Proofpoint-GUID: SDbLuyVl19-L1uR1JQMCDQnKj94Kt20A X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNTIyMDE5OCBTYWx0ZWRfX9nY9d7E1zd2e I4G/4FIb/syW9+IPjJXo3weXVK3g5KW+xQh4VJNDf6FWjMZ8w4+bE6hJMJAR3jS2GYwSuRfJQ/h Gxa2lN9Lj89/jZg+qBZAQxGDCJSynn6Q61/bA1M9NI7mlOceRm9VY8J2HMAUdIHwXhJXVi/5bkB iJhfYaCpqkP5OfFmj91/3IeACcBVjZKITbuNQXfhkS357tJAwcYMvw7uSKqkLt+gJB3EVOgm5Og msopzqbe8tyJiOvaH7RVZZEguLAtdep4WheiQYTrjBlmFnaOVSXfzr+jhoPHIra1Mugvs8pMQTb ZwODx8xI0vSUINRfTM0gnA3w2Wv/YWox6EUEwL9zX0vlVkTckslWFhEYq7V1H/1s2WfcKvq3WDn bD3IGej+aWi6qOaQ3IzKLJqS/kAbQZ6EzN+Dyk/Ud/sYRGRa/Zd+RtB8RzU/K/NHbKW2YA9LoCw p6QnetDZ4xUHmBG4rfg== 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=2026-05-22_05,2026-05-18_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 priorityscore=1501 impostorscore=0 lowpriorityscore=0 bulkscore=0 phishscore=0 suspectscore=0 spamscore=0 malwarescore=0 clxscore=1015 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2605130000 definitions=main-2605220198 Add a patternProperty for the minidump-sram child node to the qcom,imem binding that describes a single word in always-on SRAM shared between the kernel and boot firmware. Before DDR is initialized on the warm reset following a crash, firmware reads this word to decide where to deliver the minidump (USB or on-device storage). Signed-off-by: Mukesh Ojha --- .../devicetree/bindings/sram/qcom,imem.yaml | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/Documentation/devicetree/bindings/sram/qcom,imem.yaml b/Documentation/devicetree/bindings/sram/qcom,imem.yaml index c63026904061..17adced6d3a4 100644 --- a/Documentation/devicetree/bindings/sram/qcom,imem.yaml +++ b/Documentation/devicetree/bindings/sram/qcom,imem.yaml @@ -67,6 +67,22 @@ properties: $ref: /schemas/power/reset/syscon-reboot-mode.yaml# patternProperties: + "^minidump-sram@[0-9a-f]+$": + type: object + description: + A word in always-on SRAM shared between the kernel and boot firmware. + Before DDR is initialised on the warm reset following a crash, firmware + reads this word to decide where to deliver the minidump (USB or storage). + + properties: + reg: + maxItems: 1 + + required: + - reg + + additionalProperties: false + "^modem-tables@[0-9a-f]+$": type: object description: -- 2.53.0