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Fri, 10 Apr 2020 02:00:30 -0700 (PDT) Date: Fri, 10 Apr 2020 14:30:24 +0530 From: Manivannan Sadhasivam To: Marek Vasut Subject: Re: [PATCH V4 00/22] ARM: dts: stm32: Repair AV96 board Message-ID: <20200410090024.GB5723@Mani-XPS-13-9360> References: <20200401132237.60880-1-marex@denx.de> <20200406072728.GI2937@Mani-XPS-13-9360> <9c51236f-a543-99dc-ca4f-5113831451ea@denx.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <9c51236f-a543-99dc-ca4f-5113831451ea@denx.de> User-Agent: Mutt/1.9.4 (2018-02-28) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200410_020032_660796_44216690 X-CRM114-Status: GOOD ( 17.10 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Alexandre Torgue , Patrice Chotard , Patrick Delaunay , Maxime Coquelin , linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi, On Tue, Apr 07, 2020 at 05:32:31PM +0200, Marek Vasut wrote: > On 4/6/20 9:27 AM, Manivannan Sadhasivam wrote: > > Hi, > > Hi, > > > On Wed, Apr 01, 2020 at 03:22:15PM +0200, Marek Vasut wrote: > >> The AV96 board device tree is completely broken and does not match the > >> hardware. This series fixes it up. > >> > >> Marek Vasut (22): > >> ARM: dts: stm32: Add alternate pinmux for ethernet RGMII > >> ARM: dts: stm32: Repair ethernet operation on AV96 > >> ARM: dts: stm32: Add missing ethernet PHY reset on AV96 > >> ARM: dts: stm32: Add missing ethernet PHY skews on AV96 > > > > Ethernet works fine with cold boot but after warm reboot it fails with below > > message, > > > > [ 18.192842] stm32-dwmac 5800a000.ethernet eth0: no phy at addr -1 > > [ 18.197539] stm32-dwmac 5800a000.ethernet eth0: stmmac_open: Cannot attach to PHY (err) > > Try this patch: > [ 17.270826] stm32-dwmac 5800a000.ethernet eth0: no phy at addr -1 [ 17.275519] stm32-dwmac 5800a000.ethernet eth0: stmmac_open: Cannot attach to PHY (err) It doesn't work. Sorry, I don't have much time to dig into this issue so I'll leave it up to you :) Thanks, Mani > diff --git a/arch/arm/boot/dts/stm32mp157a-avenger96.dts > b/arch/arm/boot/dts/stm32mp157a-avenger96.dts > index 9fcc15b6e76d..3387d6353418 100644 > --- a/arch/arm/boot/dts/stm32mp157a-avenger96.dts > +++ b/arch/arm/boot/dts/stm32mp157a-avenger96.dts > @@ -136,12 +136,14 @@ ðernet0 { > phy-mode = "rgmii"; > max-speed = <1000>; > phy-handle = <&phy0>; > - phy-reset-gpios = <&gpioz 2 GPIO_ACTIVE_LOW>; > > mdio0 { > #address-cells = <1>; > #size-cells = <0>; > compatible = "snps,dwmac-mdio"; > + reset-gpios = <&gpioz 2 GPIO_ACTIVE_LOW>; > + reset-delay-us = <1000>; > + > phy0: ethernet-phy@7 { > reg = <7>; _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel