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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Richard Cochran , Bjorn Andersson , Konrad Dybcio , Maxime Coquelin , Alexandre Torgue , Russell King , linux-arm-msm@vger.kernel.org, netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org References: <20260612-shikra_ethernet-v1-0-f0f4a1d19929@oss.qualcomm.com> <20260612-shikra_ethernet-v1-8-f0f4a1d19929@oss.qualcomm.com> <2cb658f3-f564-4396-884d-d025eaa674a1@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: CVdqDPs5Zks2vjtQc0QwfPlV3USOGBo9 X-Authority-Analysis: v=2.4 cv=JufBas4C c=1 sm=1 tr=0 ts=6a326c26 cx=c_pps a=EVbN6Ke/fEF3bsl7X48z0g==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=FelO9ux0wxsA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=YMgV9FUhrdKAYTUUvYB2:22 a=VwQbUJbxAAAA:8 a=UqCG9HQmAAAA:8 a=zlF0UblE2nBlcRgU2acA:9 a=QEXdDO2ut3YA:10 a=a_PwQJl-kcHnX1M80qC6:22 X-Proofpoint-ORIG-GUID: CVdqDPs5Zks2vjtQc0QwfPlV3USOGBo9 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjE3MDA5MCBTYWx0ZWRfX1fhuqgsKKEaY agKUR7Zp7onB1khCIabXhC6wtJoEcIcWP94x9kVwWTVXbnt8h/WaUPEnULrf8RR09DewPgT40sa cCjHbLfaqi4j/y0UmntUD1E188E3OF7NF4VtYUtfbP+Qh/jnrEJUaIaHzsiiV8Dm0m+nXUX86Tp OeGTShqvFo8FtVAjYAswEfJwDYKBMvnjL9Qhu/xuwc0OzsuV0KLKTDxM4tAoITtMsbhv3FjqECr uvpOS1sqMUB2ti1kDnEM5BtofrhodSMCdtmQYw90O5zIOaE3G5L+nkTUmjUofTdZXdAXmgRkkQ7 OGtSrCDf+EC2nbpIW1xMiAFuHeR9wExJ9XJxJ27nSrxKVQyUQgYWp5Kzr4J19qd+HVjiBGLxkCP Puj35pLQxONdfVves224Kr3m3+AFgyxGGAUOl2tEEYvUEHQLWzdk9KIM8MS9JIOixbcZ0+pqdnK FMXLCkygDPi4vRtM4ZA== X-Proofpoint-Spam-Info: AW1haW4tMjYwNjE3MDA5MCBTYWx0ZWRfXzJInD1i6ZlI9 4bJGjowNFmhcuAKgCZ/jIbSvU3kAa+n9IfSV2mzxcioZ2HeFOHHUIJ5z8oJIVBayNc5MGzMr6z5 WBgBGRoBYUnGS2gF4muIJZzEWptX17I= X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-06-17_01,2026-06-16_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 clxscore=1015 adultscore=0 priorityscore=1501 impostorscore=0 spamscore=0 bulkscore=0 lowpriorityscore=0 suspectscore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2606170090 On 6/16/26 6:50 PM, Mohd Ayaan Anwar wrote: > On Tue, Jun 16, 2026 at 11:50:26AM +0200, Konrad Dybcio wrote: >> On 6/11/26 8:37 PM, Mohd Ayaan Anwar wrote: >> >>> +&tlmm { >>> + ethernet0_defaults: ethernet0-defaults-state { >> >> s/defaults/default >> >> Please move this definition to shikra.dtsi >> > > The CQM and CQS variants have identical GPIO mapping but the IQS is > different. So should I keep this in shikra.dtsi and overwrite for IQS in > shikra-iqs-evk.dts? > > >>> + >>> + emac0_phy_en_hog: emac0-phy-en-hog { >>> + gpio-hog; >>> + gpios = <149 GPIO_ACTIVE_HIGH>; >>> + output-high; >>> + line-name = "emac0-phy-en"; >>> + }; >> >> This looks like a hack - what does this pin actually do? >> > > The power supply to both PHYs on Shikra is gated by a GPIO pin. I am > unsure whether they should be modelled as a fixed, enable-on-boot > regulator or just like this. They need to be powered on early so that > MDIO can detect them. If it's a regulator, then it should be described as a regulator. There was some discussion regarding the power resources of PHYs over here: https://lore.kernel.org/linux-arm-msm/SN7PR19MB67369F7DD02F702437C0F1919D1B2@SN7PR19MB6736.namprd19.prod.outlook.com/ Konrad