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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b07b32dd6f3sm359239166b.67.2025.09.12.05.28.00 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 12 Sep 2025 05:28:01 -0700 (PDT) Message-ID: Date: Fri, 12 Sep 2025 14:27:59 +0200 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 v4 07/14] arm64: dts: qcom: lemans-evk: Enable PCIe support To: Wasim Nazir , Ulf Hansson , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Konrad Dybcio , Richard Cochran , Bartosz Golaszewski Cc: kernel@oss.qualcomm.com, linux-mmc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, netdev@vger.kernel.org, linux-i2c@vger.kernel.org, Sushrut Shree Trivedi References: <20250908-lemans-evk-bu-v4-0-5c319c696a7d@oss.qualcomm.com> <20250908-lemans-evk-bu-v4-7-5c319c696a7d@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20250908-lemans-evk-bu-v4-7-5c319c696a7d@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-ORIG-GUID: 3qkgDFYS_SzkDoLnMIlRpBRKaHEAlMy7 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwOTA2MDAzNSBTYWx0ZWRfX+eS30rMiUI8h p1MQ8GnnPeMvGBtJbDmbuymCL24pMiPl34z/0ar4C+AvLvnI3j8Z6agzazQB4Z8uXqsLAFuVr3/ eU+mk+tSji8e6lGYRZacIqBiuyKGg8R13xqM4Oue7l1Nt8vMLkwnGGmBjzRjG3XOHxXpq6JX3kV CA6tTPJg/aS3tYUedI8hLN8on2to8NRU7z4fbro7FEtjWzDCCo6obFVyRRueJf/Ny1fRhpB3kSK 1lVFWMN5cVUdNckeqdn9S+CMTasRAQcrRL+MjTpY6QNLMCcFFMbfG/3hFfR6J7AskhS8Mj0knyF fDeh6YgTFXfIymBdoX9J35TFnFQQiHZ4bimP46wQDv39vK+OqGua4AYCD17P6PdstYrsjWoZu1P Se6YKZbA X-Proofpoint-GUID: 3qkgDFYS_SzkDoLnMIlRpBRKaHEAlMy7 X-Authority-Analysis: v=2.4 cv=N8UpF39B c=1 sm=1 tr=0 ts=68c411d4 cx=c_pps a=WeENfcodrlLV9YRTxbY/uA==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=yJojWOMRYYMA:10 a=COk6AnOGAAAA:8 a=EUspDBNiAAAA:8 a=nUKbQzcQiuh6IjOItDgA:9 a=QEXdDO2ut3YA:10 a=kacYvNCVWA4VmyqE58fU:22 a=TjNXssC_j7lpFel5tvFf:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1117,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-09-12_04,2025-09-11_02,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 spamscore=0 malwarescore=0 clxscore=1015 bulkscore=0 suspectscore=0 priorityscore=1501 impostorscore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2507300000 definitions=main-2509060035 On 9/8/25 10:19 AM, Wasim Nazir wrote: > From: Sushrut Shree Trivedi > > Enable PCIe0 and PCIe1 along with the respective phy-nodes. > > PCIe0 is routed to an m.2 E key connector on the mainboard for wifi > attaches while PCIe1 routes to a standard PCIe x4 expansion slot. > > Signed-off-by: Sushrut Shree Trivedi > Signed-off-by: Wasim Nazir > --- [...] > + perst-pins { > + pins = "gpio2"; > + function = "gpio"; > + drive-strength = <2>; > + bias-pull-down; > + }; Pulling down an active-low pin is a bad idea Konrad