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[199.106.103.52]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-12c837f7feasm16702310c88.0.2026.04.21.00.43.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 21 Apr 2026 00:43:26 -0700 (PDT) Date: Tue, 21 Apr 2026 15:43:20 +0800 From: Shawn Guo To: Krzysztof Kozlowski Cc: Konrad Dybcio , Manivannan Sadhasivam , Jassi Brar , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Konrad Dybcio , Dmitry Baryshkov , Bartosz Golaszewski , Deepti Jaggi , linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Subject: Re: [PATCH] dt-bindings: mailbox: qcom-ipcc: Document Nord IPCC Message-ID: References: <20260420040141.1247612-1-shengchao.guo@oss.qualcomm.com> <1b40b1a0-983c-4eca-bdc8-6a64cf76197d@oss.qualcomm.com> <778475e2-0baf-4623-b927-83bddb0c92bf@kernel.org> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <778475e2-0baf-4623-b927-83bddb0c92bf@kernel.org> X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDIxMDA3NCBTYWx0ZWRfX/HvdBWdL6Qnv T0RCoIMiFvKKEcVIEpXiwmF1hJDLfVs4SAAK36byo5xN3l44omtFP4+7SISNERJCMZo3lNdzISQ 76gZxPwk8ge41Pb0mf4oGj70o36fuc9Wbh+iTKz4VQub35FPTHCzmY8GgPK+fwq99pykDqO8F2P mgjwBz8ICoEB5AryE1NWTBxMXLAOtfHAaXT8di9W/KvWmtR3nup/9uxU1x2Tu+el2DYwW7ccdNt VETjErqCimO226/IDtD5CNwh4yPBNhaSpbHkGNLY75kad3vDvBheqKLD+HNK+5a7lM8loDhsgxW 9h8jBzy+gnA396TZrozO8anL259acKJeSdBx7bj893pSBHm1Vr3wjThtbphzWfQZOhA4wnX4LV6 5+wOOrSGXOzEa8cud3FI5TFGSCusGif/48oxNCmwennvnMqFo0lIR0nc5HGPT46ExBWrqQ974u9 J3vNBrdUSVWZBc7TNlA== X-Authority-Analysis: v=2.4 cv=BPmDalQG c=1 sm=1 tr=0 ts=69e72aa0 cx=c_pps a=PfFC4Oe2JQzmKTvty2cRDw==:117 a=b9+bayejhc3NMeqCNyeLQQ==:17 a=kj9zAlcOel0A:10 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=DJpcGTmdVt4CTyJn9g5Z:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=RZ2qk-wzGHh3XmuBoPsA:9 a=CjuIK1q_8ugA:10 a=6Ab_bkdmUrQuMsNx7PHu:22 X-Proofpoint-ORIG-GUID: o920O2qbjFLA-0wxmjPDXqLqUT_Pi9_c X-Proofpoint-GUID: o920O2qbjFLA-0wxmjPDXqLqUT_Pi9_c 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=2026-04-21_01,2026-04-20_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 phishscore=0 adultscore=0 malwarescore=0 spamscore=0 lowpriorityscore=0 impostorscore=0 suspectscore=0 clxscore=1015 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604070000 definitions=main-2604210074 On Mon, Apr 20, 2026 at 10:24:24AM +0200, Krzysztof Kozlowski wrote: > On 20/04/2026 10:18, Konrad Dybcio wrote: > > On 4/20/26 10:16 AM, Manivannan Sadhasivam wrote: > >> On Mon, Apr 20, 2026 at 12:01:41PM +0800, Shawn Guo wrote: > >>> From: Deepti Jaggi > >>> > >>> Document Inter-Processor Communication Controller on Qualcomm Nord SoC > >>> with a fallback on qcom,ipcc. > >>> > >>> Signed-off-by: Deepti Jaggi > >>> Signed-off-by: Shawn Guo > >>> --- > >>> Documentation/devicetree/bindings/mailbox/qcom-ipcc.yaml | 1 + > >>> 1 file changed, 1 insertion(+) > >>> > >>> diff --git a/Documentation/devicetree/bindings/mailbox/qcom-ipcc.yaml b/Documentation/devicetree/bindings/mailbox/qcom-ipcc.yaml > >>> index f5c584cf2146..0a86230a2b18 100644 > >>> --- a/Documentation/devicetree/bindings/mailbox/qcom-ipcc.yaml > >>> +++ b/Documentation/devicetree/bindings/mailbox/qcom-ipcc.yaml > >>> @@ -28,6 +28,7 @@ properties: > >>> - qcom,glymur-ipcc > >>> - qcom,kaanapali-ipcc > >>> - qcom,milos-ipcc > >>> + - qcom,nord-ipcc > >> > >> What is the difference between this and the existing 'sa8775p' compatible? Are > >> they both representing the same SoC series? > > > > Nord is a gen newer > > This should be explained somewhere, e.g. in board/soc bindings or SoC ID > bindings. None of these are posted, so most of the patches being posted > could receive that comment - what is the difference and why commit msg > explains nothing. Indeed! I should have posted SoC ID change [1] first to introduce Nord SoC. Shawn [1] https://lore.kernel.org/all/20260421040231.1256998-1-shengchao.guo@oss.qualcomm.com/