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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-67237d79258sm283300a12.4.2026.04.15.02.49.08 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 15 Apr 2026 02:49:11 -0700 (PDT) Message-ID: Date: Wed, 15 Apr 2026 11:49:07 +0200 Precedence: bulk X-Mailing-List: linux-spi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 4/7] arm64: dts: qcom: talos: Add QSPI support To: Viken Dadhaniya , Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Konrad Dybcio , cros-qcom-dts-watchers@chromium.org Cc: linux-arm-msm@vger.kernel.org, linux-spi@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260414-spi-nor-v2-0-bcca40de4b5f@oss.qualcomm.com> <20260414-spi-nor-v2-4-bcca40de4b5f@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260414-spi-nor-v2-4-bcca40de4b5f@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDE1MDA4OSBTYWx0ZWRfXwAe/RdlFaTdD Z0xVXcvBbHJQoETMI2z8rU7OEqfBFq/W14fwLAx8Or2HmN9Z58NNIS9GSkWwGKxtmK8wlDxXuNN tJxXnhY7kwjPCZAE9jvSGZqOKn0SEXGa9F7oB9VsOvQWgJNtOK/YFrYY+EyjLO/soUxhka4WeG5 HlZu3hr1We8g7Qz825TLxVzY54hnqnwe29xJQwj227MWztPFfsxC0b3NjRDrtV4pZoN6A2Cnsg5 CibWTeBjZAzel8xPt5nwL3EV8PW9AwID1KiHTkJRLkRvQs5tmuLcX9vvFTMeKJ0KfK6V6zRKWEA ejVb/1SIHxth7UBQwrhw3qgZLvNXfcQPqlJ53xlvJv/U4rnCGAQnEQlyr2ynwU3uRUNA8pMNGU0 lMEVXm9UOq5TbN84U+JJ9p+ljONJFooD4O/gr4l+4e32vSe0w676P1/9+We3bas+64XqPWENt4+ BUXTR8Y0FLq6tzx4tzw== X-Proofpoint-ORIG-GUID: 8psCPRQr70t8GufWtxkq1b14HjyrUESd X-Authority-Analysis: v=2.4 cv=ZIfnX37b c=1 sm=1 tr=0 ts=69df5f18 cx=c_pps a=hnmNkyzTK/kJ09Xio7VxxA==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=rJkE3RaqiGZ5pbrm-msn:22 a=EUspDBNiAAAA:8 a=mL5Sac-3cE_IzsZij1IA:9 a=QEXdDO2ut3YA:10 a=PEH46H7Ffwr30OY-TuGO:22 X-Proofpoint-GUID: 8psCPRQr70t8GufWtxkq1b14HjyrUESd 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=2026-04-14_04,2026-04-13_04,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 suspectscore=0 lowpriorityscore=0 spamscore=0 bulkscore=0 phishscore=0 clxscore=1015 malwarescore=0 adultscore=0 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604070000 definitions=main-2604150089 On 4/14/26 7:08 PM, Viken Dadhaniya wrote: > The Talos (QCS615) platform includes a QSPI controller used for accessing > external flash storage. Add the QSPI OPP table, TLMM pinmux entries, and > the QSPI controller node to enable support for this hardware. > > Signed-off-by: Viken Dadhaniya > --- [...] > + interconnects = <&gem_noc MASTER_APPSS_PROC QCOM_ICC_TAG_ACTIVE_ONLY > + &config_noc SLAVE_QSPI QCOM_ICC_TAG_ACTIVE_ONLY>, > + <&aggre1_noc MASTER_QSPI QCOM_ICC_TAG_ACTIVE_ONLY > + &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ACTIVE_ONLY>; The qspi-memory path _must_ be TAG_ALWAYS, since APSS may collapse at any time (which could drop the vote in the ACTIVE_ONLY case), and a DMA operation may still be ongoing Konrad