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Wed, 08 Jul 2026 22:55:46 -0700 (PDT) X-Received: by 2002:a05:6a21:a96:b0:3bf:d0c8:2aa7 with SMTP id adf61e73a8af0-3c0bcbc5172mr6875920637.47.1783576545686; Wed, 08 Jul 2026 22:55:45 -0700 (PDT) Received: from [10.218.35.45] ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-ca5af7d5946sm3184667a12.7.2026.07.08.22.55.41 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 08 Jul 2026 22:55:45 -0700 (PDT) Message-ID: <04365920-4abf-439a-816e-3ae6ff06521c@oss.qualcomm.com> Date: Thu, 9 Jul 2026 11:25:40 +0530 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 0/2] arm64: dts: qcom: eliza-evk: Enable PCIe0 and PCIe1 with M.2 and TC9563 switch To: Bjorn Andersson Cc: Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Manivannan Sadhasivam , Bartosz Golaszewski , 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, Konrad Dybcio References: <20260708-eliza_evk-v2-0-c599246ceba1@oss.qualcomm.com> Content-Language: en-US From: Krishna Chaitanya Chundru In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Info: AW1haW4tMjYwNzA5MDA1MyBTYWx0ZWRfX6tvyGFvTVQcK ttEEPdmhmzf8bnTTDdAlBlLomV7t1iibbQ3p7fo6lUVPHcYLJe0IjIMgkyiHS4wzHInAc3NRmxB ldMdfbCFcBehackiSJbjm3e+4OrP28E= X-Proofpoint-GUID: F6W97CKgEr2oqdtCdKvIMYHpGMtcLBT5 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzA5MDA1MyBTYWx0ZWRfX0Uzx6bB8sFnA C525iZdXEfihtUDr9+JuoXhpIl0Y8Bu0GJrRcEpYDMWcdom1nH963SiM/YQle8lDcXbV0DrQi1u AZ/oz4TS2aeTtmenDEP9S+b9QkHvdznMpdp4zgUlqne+dvZvOxXGhGs+f1ZcMHmdp3xcssODJyC sTLE61+rsDHFJI+DH4h9P+VXVvSWGZhmfv/MFfBR61fFCszgtojhJhVPLhoxsqdiGYS+GeGXnhP BDkE1amB99LoODc7o/kEl6AXB5yonsEqBLUgKzMUcgrluaK47D7Ui1kIPKi/7fE1moY2lHAP3Le Ctc6w2Wy/ypHqQ3pBmh/DiGac/ZiddpxyrZwtPUK8KTtEhpIfKph8TFsAIM49ymYHVVK3Y01glP 4XIaSLMmSMZ53N5/FiT9Fsuj+I6NvNSx3q1WgN8DrSaVOqFm4oyDjYY695qTufHcC363RjTBeps IKxob/IIkSd9HV2cs8A== X-Authority-Analysis: v=2.4 cv=Sv2gLvO0 c=1 sm=1 tr=0 ts=6a4f37e3 cx=c_pps a=MTSHoo12Qbhz2p7MsH1ifg==:117 a=fChuTYTh2wq5r3m49p7fHw==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_glEPmIy2e8OvE2BGh3C:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=bC-a23v3AAAA:8 a=UtvHBniHWTLL8wGpZJ8A:9 a=QEXdDO2ut3YA:10 a=GvdueXVYPmCkWapjIL-Q:22 a=FO4_E8m0qiDe52t0p3_H:22 X-Proofpoint-ORIG-GUID: F6W97CKgEr2oqdtCdKvIMYHpGMtcLBT5 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_05,2026-07-08_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 adultscore=0 priorityscore=1501 suspectscore=0 malwarescore=0 impostorscore=0 lowpriorityscore=0 clxscore=1015 bulkscore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607090053 On 7/8/2026 9:05 PM, Bjorn Andersson wrote: > On Wed, Jul 08, 2026 at 11:47:15AM +0530, Krishna Chaitanya Chundru wrote: >> This series enables PCIe for the Eliza EVK board (CQS SoM on EVK carrier). >> >> The Eliza EVK exposes two PCIe ports: >> >> - PCIe0 drives an M.2 E key connector. The 3.3V supply is GPIO-controlled >> via a TCA9538 I/O expander on I2C4. The slot hosts a WLAN module >> (connected over PCIe) and a Bluetooth device (connected over UART5), >> modelled with the pcie-m2-e-connector binding. >> >> - PCIe1 (8GT/s x2) connects to a Toshiba TC9563 PCIe switch, whose >> management interface sits on I2C4 (address 0x77). The TC9563 RESX# and >> PERST# lines are OR-ed internally; reset is driven via a TLMM GPIO on >> the RESX# pin. The iommu-map covers all downstream switch ports >> (SID range 0x1400-0x1408). >> >> The M.2 WLAN module carries a Qualcomm QCC2072 Bluetooth chip. A device-ID >> entry is added to the M.2 power sequencer so the serdev node for the BT >> UART interface is created on PCI enumeration. >> >> Bluetooth is enabled with this patch https://lore.kernel.org/all/20260529175822.3366535-1-yepuri.siddu@oss.qualcomm.com/ >> >> This seris Depends-on: >> https://lore.kernel.org/all/20260610-eliza_dt-v1-1-7bb72b75fc5b@oss.qualcomm.com/ > Why send this patch, when this dependency is known bad - when would I > ever be able to merge this patch? > > And why are you sending separate series concurrently with dependencies > between them!? It's one thing to send patches saying "I depend on > someone else's completely unrelated work", but saying "here's a random > bunch of tangled patches, good luck everyone!" is not okay. > > I expect all three patches to be rebased and send in one series that I > can just click "Submit" on next time. Sorry for the mess, I will resend all 3 pcie patches in a single series today. - Krishna Chaitanya. > Thanks, > Bjorn > >> https://lore.kernel.org/all/20260630-eliza-dts-qcs-evk-v4-3-18cbbdba6e7e@oss.qualcomm.com/ >> https://lore.kernel.org/all/20260630-dts-qcom-eliza-mtp-evk-add-pmics-v1-1-f4f320f7c88b@oss.qualcomm.com/ >> >> Signed-off-by: Krishna Chaitanya Chundru >> --- >> Changes in v2: >> - Drop patch 3, as this is already applied >> - Rebase on top of https://lore.kernel.org/all/20260708055017.A90C91F000E9@smtp.kernel.org/ >> and remove pincntrl as pincntrl is added in the eliza.dtsi patch and also remove >> pinctrl for resx as this is covered in pcie1_default_state as perst gpio. >> - Link to v1: https://patch.msgid.link/20260703-eliza_evk-v1-0-7624440bd76d@oss.qualcomm.com >> >> To: Bjorn Andersson >> To: Konrad Dybcio >> To: Rob Herring >> To: Krzysztof Kozlowski >> To: Conor Dooley >> Cc: linux-arm-msm@vger.kernel.org >> Cc: devicetree@vger.kernel.org >> Cc: linux-kernel@vger.kernel.org >> >> --- >> Krishna Chaitanya Chundru (2): >> arm64: dts: qcom: eliza-evk: Add PCIe0 with M.2 E key connector >> arm64: dts: qcom: eliza-evk: Add PCIe1 with TC9563 PCIe switch >> >> arch/arm64/boot/dts/qcom/eliza-evk.dtsi | 228 ++++++++++++++++++++++++++++++++ >> arch/arm64/boot/dts/qcom/eliza.dtsi | 2 + >> 2 files changed, 230 insertions(+) >> --- >> base-commit: dc59e4fea9d83f03bad6bddf3fa2e52491777482 >> change-id: 20260629-eliza_evk-6f30686b161f >> prerequisite-message-id: <20260708-eliza_dt-v2-1-e6281da26408@oss.qualcomm.com> >> prerequisite-patch-id: 7654ff4f899ac0094a2e791e7f208998fcc7d5fa >> prerequisite-patch-id: 9e10dfbe360941cdac0300aaf163149755952f9f >> prerequisite-patch-id: fecce0170351baf00cbe8f6b302d1def4d99bbfc >> prerequisite-patch-id: 97cd6cb495fdd198f6de7fbe45ef32e4a638ec9c >> prerequisite-message-id: <20260630-dts-qcom-eliza-mtp-evk-add-pmics-v1-1-f4f320f7c88b@oss.qualcomm.com> >> prerequisite-patch-id: f3615b5c1e2222a2491f862a7fba3994058ecc53 >> >> Best regards, >> -- >> Krishna Chaitanya Chundru >>