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Wed, 07 May 2025 04:06:46 -0700 (PDT) Message-ID: <63665c17-da37-4b5b-9c2d-28d5a669680f@gmail.com> Date: Wed, 7 May 2025 13:06:44 +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 v5 4/4] ARM: dts: stm32: add initial support for stm32mp157-ultra-fly-sbc board To: Andrew Lunn Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , =?UTF-8?B?QsO2cmdlIFN0csO8bXBmZWw=?= , Maxime Coquelin , Alexandre Torgue , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org References: <20250505115827.29593-1-goran.radni@gmail.com> <20250505115827.29593-5-goran.radni@gmail.com> <2d0ff289-06f6-4bde-a238-097d22573d4e@lunn.ch> Content-Language: en-US From: Goran Radenovic In-Reply-To: <2d0ff289-06f6-4bde-a238-097d22573d4e@lunn.ch> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Hi Andrew, thank You very much for Your comments. Andrew Lunn wrote: >> +ðernet0 { >> + status = "okay"; >> + pinctrl-0 = <ðernet0_ux_rgmii_pins_a>; >> + pinctrl-1 = <ðernet0_ux_rgmii_pins_sleep_a>; >> + pinctrl-names = "default", "sleep"; >> + phy-mode = "rgmii-id"; >> + max-speed = <1000>; > > max-speed is probably pointless, rgmii cannot do more than 1G. Agreed. I'll drop the `max-speed` property in the next revision. >> + phy-handle = <&phy1>; >> + >> + mdio { >> + #address-cells = <1>; >> + #size-cells = <0>; >> + compatible = "snps,dwmac-mdio"; >> + phy1: ethernet-phy@1 { >> + reg = <1>; >> + interrupt-parent = <&gpiod>; >> + interrupts = <0 IRQ_TYPE_EDGE_FALLING>; > > PHY interrupts are 99% time level, not edge. That is correct, but I am facing strange behavior, when I set IRQ_TYPE_LEVEL_LOW. My board stops booting at: [ 2.343233] Waiting for root device /dev/mmcblk0p4... [ 12.638818] platform 5a006000.usbphyc: deferred probe pending [ 12.643192] platform 49000000.usb-otg: deferred probe pending [ 12.649029] platform 48003000.adc: deferred probe pending [ 12.654277] platform 5800d000.usb: deferred probe pending [ 12.659744] platform 5800c000.usb: deferred probe pending [ 12.665089] amba 58005000.mmc: deferred probe pending [ 12.670239] amba 58007000.mmc: deferred probe pending [ 12.675185] platform 50025000.vrefbuf: deferred probe pending I must investigate this. If You have any idea, You are welcome to share it. > Andrew