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[75.72.162.184]) by smtp.gmail.com with ESMTPSA id af79cd13be357-7c7a895180esm9590685a.46.2025.04.09.17.59.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 09 Apr 2025 17:59:37 -0700 (PDT) From: Adam Ford To: linux-arm-kernel@lists.infradead.org Cc: aford@beaconembedded.com, Adam Ford , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , devicetree@vger.kernel.org, imx@lists.linux.dev, linux-kernel@vger.kernel.org Subject: [PATCH 7/9] arm64: dts: imx8mn-beacon: Configure Ethernet reset and IRQ GPIO Date: Wed, 9 Apr 2025 19:59:01 -0500 Message-ID: <20250410005912.118732-7-aford173@gmail.com> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250410005912.118732-1-aford173@gmail.com> References: <20250410005912.118732-1-aford173@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250409_175939_886016_7F351D97 X-CRM114-Status: GOOD ( 11.11 ) 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 The ethernet PHY setup assumes the bootloader will pull the PHY out of reset,but it's not guaranteed. The PHY is also currently setup to poll, because it does not configure the IRQ. Enable both GPIO settings for better optimal ethernet performance. Signed-off-by: Adam Ford --- arch/arm64/boot/dts/freescale/imx8mn-beacon-som.dtsi | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mn-beacon-som.dtsi b/arch/arm64/boot/dts/freescale/imx8mn-beacon-som.dtsi index bb11590473a4..b3692b367a42 100644 --- a/arch/arm64/boot/dts/freescale/imx8mn-beacon-som.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mn-beacon-som.dtsi @@ -88,6 +88,9 @@ mdio { ethphy0: ethernet-phy@0 { compatible = "ethernet-phy-ieee802.3-c22"; reg = <0>; + reset-gpios = <&gpio4 22 GPIO_ACTIVE_LOW>; + interrupt-parent = <&gpio1>; + interrupts = <10 IRQ_TYPE_LEVEL_LOW>; }; }; }; @@ -326,6 +329,7 @@ MX8MN_IOMUXC_ENET_TXC_ENET1_RGMII_TXC 0x1f MX8MN_IOMUXC_ENET_RXC_ENET1_RGMII_RXC 0x91 MX8MN_IOMUXC_ENET_RX_CTL_ENET1_RGMII_RX_CTL 0x91 MX8MN_IOMUXC_ENET_TX_CTL_ENET1_RGMII_TX_CTL 0x1f + MX8MN_IOMUXC_GPIO1_IO10_GPIO1_IO10 0x146 MX8MN_IOMUXC_SAI2_RXC_GPIO4_IO22 0x19 >; }; -- 2.48.1