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Wed, 08 Jul 2026 06:16:35 -0700 (PDT) X-Received: by 2002:a0c:f405:0:b0:8f0:24d9:364b with SMTP id 6a1803df08f44-8fec3bfbae8mr18446606d6.7.1783516595095; Wed, 08 Jul 2026 06:16:35 -0700 (PDT) Received: from [192.168.120.193] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-69a3652a02asm7016471a12.11.2026.07.08.06.16.32 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 08 Jul 2026 06:16:34 -0700 (PDT) Message-ID: <5bfb3aea-4836-488b-aaa9-ad770baa9c95@oss.qualcomm.com> Date: Wed, 8 Jul 2026 15:16:31 +0200 Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 2/2] arm64: dts: qcom: eliza-evk: Add PCIe1 with TC9563 PCIe switch To: Krishna Chaitanya Chundru , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Manivannan Sadhasivam , Bartosz Golaszewski Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, linux-pm@vger.kernel.org References: <20260708-eliza_evk-v2-0-c599246ceba1@oss.qualcomm.com> <20260708-eliza_evk-v2-2-c599246ceba1@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260708-eliza_evk-v2-2-c599246ceba1@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: MsyNq7PkMPXSrxsVhKavMiIKP8Ek4RDY X-Proofpoint-Spam-Info: AW1haW4tMjYwNzA4MDEyOSBTYWx0ZWRfXzUyqEdFaHgaA /nR09cO16VdFW1HWKCiBk2LC1vXIB8Onfrj2JvhrTI7RZ1c8OonbVZ1e+i3yVIqhkfCwvzGmyvR FRvOuBaGhLjjCPX6KkwdWjzWw7SZ5o0= X-Authority-Analysis: v=2.4 cv=CNoamxrD c=1 sm=1 tr=0 ts=6a4e4db4 cx=c_pps a=7E5Bxpl4vBhpaufnMqZlrw==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_glEPmIy2e8OvE2BGh3C:22 a=EUspDBNiAAAA:8 a=6pHcnep46kEejBPVP2gA:9 a=QEXdDO2ut3YA:10 a=pJ04lnu7RYOZP9TFuWaZ:22 X-Proofpoint-ORIG-GUID: MsyNq7PkMPXSrxsVhKavMiIKP8Ek4RDY X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzA4MDEyOSBTYWx0ZWRfXzxYzq+jQ5fDV prMQQE3wm7a1M/90a7U/u+hOK7jCdFnVW2uOVAECBb+zym6fYSLHVaXkyWrrFxOyyfe8GS7UoAC 5pkb7aYm5zBh1kn29FXxhjDd/6jcd/YFN6eaKNjNBf2dhOfxD0L3U4YkkocrT7hpopKqNTB+mtL gzWyX8Xfnjl1QnrBug0dygfpb4dabHwlRxtOBQRLJ2gqPDV1Ac6s7bFsIPMzdCAgkwYSL10VOXk wNh311CFuHEXr+jPFmopVHSOzVBZFniCjpK/w15JYbYWuIEr0EcZosoOr2VnddFPspQOXnF1t/R iqJNTWTWeyEZrV0bIYrO30gIwSeCvDn/fzZmhJdlTiIx/z7Jbg7Hp3jyckq0qpnYd8r1sm6B/WL 25hDFlYRV9/n6V8gVyt+ZgrI2mFZowdVUccsoCemF7J97cP45U3XDsmbxTxQLA4hnGkQfRoP308 qqm6CmlckhjTxDtY1Vw== 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=2026-07-08_02,2026-07-08_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 malwarescore=0 adultscore=0 phishscore=0 impostorscore=0 priorityscore=1501 lowpriorityscore=0 bulkscore=0 spamscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607080129 On 7/8/26 8:17 AM, Krishna Chaitanya Chundru wrote: > The Eliza EVK board connects PCIe1 (8GT/s x2) to a Toshiba TC9563 > PCIe switch. Enable PCIe1 and its QMP PHY nodes. > > TC9563 uses I2C (at address 0x77 on I2C4) for its management interface. > > Override the base iommu-map with the expanded set covering all the > switch's downstream ports (0x1400-0x1408 SID range). > > The TC9563 RESX# and PERST# are OR-ed internally to assert reset on the > switch. Use TC9563 RESX# pin via a TLMM GPIO and skip wiring PERST# > from the PCIe controller. > > Signed-off-by: Krishna Chaitanya Chundru > --- Reviewed-by: Konrad Dybcio Konrad