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Sat, 26 Apr 2025 11:00:50 -0700 (PDT) Received: from jernej-laptop.localnet ([188.159.248.16]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-ace6e4f7c3csm325590366b.68.2025.04.26.11.00.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 26 Apr 2025 11:00:50 -0700 (PDT) From: Jernej =?UTF-8?B?xaBrcmFiZWM=?= To: Andre Przywara , Andrew Lunn Cc: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, wens@csie.org, samuel@sholland.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org Subject: Re: [PATCH 2/2] arm64: dts: allwinner: h6: Add OrangePi 3 LTS DTS Date: Sat, 26 Apr 2025 20:00:49 +0200 Message-ID: <2219754.irdbgypaU6@jernej-laptop> In-Reply-To: References: <20250413134318.66681-1-jernej.skrabec@gmail.com> <20250425135429.174a1871@donnerap.manchester.arm.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250426_110053_533933_7112E22C X-CRM114-Status: GOOD ( 11.21 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Dne petek, 25. april 2025 ob 17:34:14 Srednjeevropski poletni =C4=8Das je A= ndrew Lunn napisal(a): > > > +&emac { > > > + pinctrl-names =3D "default"; > > > + pinctrl-0 =3D <&ext_rgmii_pins>; > > > + phy-mode =3D "rgmii-rxid"; > >=20 > > So relating to what Andrew said earlier today, should this read rgmii-id > > instead? Since the strap resistors just set some boot-up value, but we > > want the PHY driver to enable both RX and TX delay programmatically? >=20 > Yes. >=20 > There is a checkpatch.pl patch working its way through the system > which will add warning about any rgmii value other than rgmii-id. Such > values need a comment that the PCB has extra long clock > lines. Hopefully that will make people actually stop and think about > this, rather than just copy broken vendor code. I spent quite some time working on ethernet support for this board. Once I've found PHY datasheet, I confirmed that there is added delay. So this particular board needs "rgmii-rxid" mode. Best regards, Jernej