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Thu, 03 Sep 2026 01:56:32 -0700 (PDT) Date: Thu, 3 Sep 2026 10:56:31 +0200 From: Lorenzo Bianconi To: Bartosz Golaszewski Cc: Alex Elder , Daniel Thompson , linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-gpio@vger.kernel.org, linux-arm-msm@vger.kernel.org, Bjorn Helgaas , Lorenzo Pieralisi , Krzysztof =?utf-8?Q?Wilczy=C5=84ski?= , Manivannan Sadhasivam , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Chaitanya Chundru , Linus Walleij , Bjorn Andersson , Konrad Dybcio , Michael Walle Subject: Re: [PATCH v2 2/5] gpio: tc9563: add support for the embedded GPIO controller Message-ID: References: <20260903-pci-tc9563-aux-v2-0-34c625b542c1@oss.qualcomm.com> <20260903-pci-tc9563-aux-v2-2-34c625b542c1@oss.qualcomm.com> Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="OVTXnIBT/tYhlLRp" Content-Disposition: inline In-Reply-To: X-Proofpoint-GUID: Kk35HxPKrCihXZsctMcLTp85iOUWJ7d7 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTAzMDA3NiBTYWx0ZWRfX8t7fs8cZBLqo cWxjmai7PG3RI8pD3706+qPHnuDvztOB1DxbcK020X91ZyKdqpCW3N9dBxc1pV4Yt2WKn+pPmic OiWzdU4tPfwZdrDpKutbfk/zLvM+6hJWxV5K3O+Kt3iiYROdvdwNRQnUwIqez2e9LFgB9BTqbO0 J6ZP89rzL1h2x7j0PU506KAi+EDmnFn+8pngbkIlz1+0/S4GdZKNvh7CGrpweNoDBWXdhfxSj5Y T6xY7NCklnGh65EPCxL1JAeNbhcNwa10E+pGpv3bDUoa2Gr+G79imdB6ZnS8hf6PYtw4TpkNd5M EuKHS8B4336ibn5/Amtd5WX3GYt/wNzrqWnUrDio+aife66ExfSulDy7RxFl7kjzHGH2VHTs4yg kOYJOjjVVrng/y2h34RSJDIWCEHVnSTCEcchcZ3CHUgyw8hiaDeVMhI25mMECEu0Uf7vpnMzlsG /mt9K3clac2xe4B/JyA== X-Authority-Analysis: v=2.4 cv=X8Ji7mTe c=1 sm=1 tr=0 ts=6a993642 cx=c_pps a=HLyN3IcIa5EE8TELMZ618Q==:117 a=WpTaRW6qxYHRGzLzQsVYzg==:17 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_K5XuSEh1TEqbUxoQ0s3:22 a=EUspDBNiAAAA:8 a=ee_2aqc6AAAA:8 a=QdqtlxgJISnalKBtFgoA:9 a=CjuIK1q_8ugA:10 a=GUhdYjh1zgis1m3ksQcA:9 a=bTQJ7kPSJx9SKPbeHEYW:22 a=VOpmJXOdbJOWo2YY3GeN:22 X-Proofpoint-Spam-Info: AW1haW4tMjYwOTAzMDA3NiBTYWx0ZWRfXwGegppkgsiIS DPw76yQHo2IPQitvWHzbyuo64zmfApaJpCDBxrpFEMWwRPfIOreYT3WwXIfFQeBLitm0x0lWY40 GvMZEwjdfUU3rd5tlMlnX8ggjGOTwHA= X-Proofpoint-ORIG-GUID: Kk35HxPKrCihXZsctMcLTp85iOUWJ7d7 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-09-03_02,2026-09-02_04,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 spamscore=0 phishscore=0 lowpriorityscore=0 impostorscore=0 priorityscore=1501 adultscore=0 bulkscore=0 clxscore=1015 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2609030076 --OVTXnIBT/tYhlLRp Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable > On Thu, 3 Sep 2026 09:52:58 +0200, Lorenzo Bianconi > said: > > From: Alex Elder > > > > Add a driver for the GPIO controller embedded in the Toshiba TC9563 > > PCIe switch (and the Qualcomm QPS615). The device implements 35 > > GPIOs using two register banks: three registers control the first 32 > > GPIOs (20 and 21 are reserved) and three more control GPIOs 32-36. > > GPIOs 22-24, 27-28, 31, and 34 are input-only. > > > > The driver is registered as an auxiliary device driver; the TC9563 > > power controller creates the auxiliary device and provides a regmap > > that gives access to the GPIO registers, so the gpio-regmap helpers > > are used to implement the GPIO chip. > > > > Signed-off-by: Alex Elder > > Co-developed-by: Daniel Thompson > > Signed-off-by: Daniel Thompson > > Co-developed-by: Lorenzo Bianconi > > Signed-off-by: Lorenzo Bianconi > > --- >=20 > Looks good to me. What is the merge strategy? If you want Bjorn to take it > through the PCI tree: >=20 > Acked-by: Bartosz Golaszewski Hi Bartosz, thx for the review. I am completely fine if this series goes via pci tree. Regards, Lorenzo --OVTXnIBT/tYhlLRp Content-Type: application/pgp-signature; name=signature.asc -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQTquNwa3Txd3rGGn7Y6cBh0uS2trAUCapk2PwAKCRA6cBh0uS2t rL9GAP42pYHv0DqXiAJEOnJW25UpKh1ja9yTXZSetPI8q0DLswEAmO1vrIStPQ/j eYwzySrIWS6Bb0DotcwTu4UQ9xF2YQM= =prqZ -----END PGP SIGNATURE----- --OVTXnIBT/tYhlLRp--