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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-arm-msm@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-Authority-Analysis: v=2.4 cv=WKhPmHsR c=1 sm=1 tr=0 ts=69df5f18 cx=c_pps a=HLyN3IcIa5EE8TELMZ618Q==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yx91gb_oNiZeI1HMLzn7:22 a=EUspDBNiAAAA:8 a=mL5Sac-3cE_IzsZij1IA:9 a=QEXdDO2ut3YA:10 a=bTQJ7kPSJx9SKPbeHEYW:22 X-Proofpoint-ORIG-GUID: lq-Kf8mgPYqzXD6G64dB2lLzHVNKYjNL X-Proofpoint-GUID: lq-Kf8mgPYqzXD6G64dB2lLzHVNKYjNL X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDE1MDA4OSBTYWx0ZWRfX+2S1GtMkgqbZ qTYRmw65klCNNOURYAh0mjEU3++obO2DdGw5r/gP7ZCpqLHPYfW+oZKwpvr15Upr/8l42fQnf9e kgA7cPRQBgvg7kOTnh4SYtNB6okNuVaWpuhloOgEw3w4zgJT/uTM2w6C9fvvn6Egq1HvL6nnqYr +k/TPrS7+19e/Kf4B7+Eab6xlQ7QXdwBS42/hImKOAoiiIIBGlZx8Epzu1hZAy+IE1rs1IcITm/ 4i7oOlZny1l+M5/gkCeGUx5pWtP8JeSJfPPbT7lcbWgDN65ro2rNflWBMjjJ8Zkazk84Zs9l5mM I1IG2wqjlOHAsIWIWFQhHA+VUFJl8T8+9Jr/eAyCbV/HrQ6t7Q7j7FQ7gtvk/i6L/uxapxfeqaH zgG38D3Ew4QszWQ/4ro1ilfHlUHG+IMsmZzzWbR+Iob5P/+qD1Ylkit+I9Cxat6+jtUuLV34X3l SbJ4v/NPncbTUeg2fXw== 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 clxscore=1015 spamscore=0 adultscore=0 phishscore=0 suspectscore=0 bulkscore=0 impostorscore=0 priorityscore=1501 lowpriorityscore=0 malwarescore=0 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