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Wed, 02 Jul 2025 19:16:23 -0700 (PDT) From: Inochi Amaoto To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Chen Wang , Inochi Amaoto , Richard Cochran , Alexander Sverdlin , Yixun Lan , Ze Huang , Thomas Bonnefille Cc: devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, sophgo@lists.linux.dev, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, Longbin Li Subject: [PATCH 1/3] riscv: dts: sophgo: Add ethernet device for cv18xx Date: Thu, 3 Jul 2025 10:15:56 +0800 Message-ID: <20250703021600.125550-2-inochiama@gmail.com> X-Mailer: git-send-email 2.50.0 In-Reply-To: <20250703021600.125550-1-inochiama@gmail.com> References: <20250703021600.125550-1-inochiama@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add ethernet controller device node for cv18xx SoC. Signed-off-by: Inochi Amaoto --- arch/riscv/boot/dts/sophgo/cv180x.dtsi | 44 ++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) diff --git a/arch/riscv/boot/dts/sophgo/cv180x.dtsi b/arch/riscv/boot/dts/s= ophgo/cv180x.dtsi index e91bb512b099..7eecc67f896e 100644 --- a/arch/riscv/boot/dts/sophgo/cv180x.dtsi +++ b/arch/riscv/boot/dts/sophgo/cv180x.dtsi @@ -189,6 +189,50 @@ i2c4: i2c@4040000 { status =3D "disabled"; }; =20 + gmac0: ethernet@4070000 { + compatible =3D "sophgo,cv1800b-dwmac", "snps,dwmac-3.70a"; + reg =3D <0x04070000 0x10000>; + clocks =3D <&clk CLK_AXI4_ETH0>, <&clk CLK_ETH0_500M>; + clock-names =3D "stmmaceth", "ptp_ref"; + interrupts =3D ; + interrupt-names =3D "macirq"; + resets =3D <&rst RST_ETH0>; + reset-names =3D "stmmaceth"; + rx-fifo-depth =3D <8192>; + tx-fifo-depth =3D <8192>; + snps,multicast-filter-bins =3D <0>; + snps,perfect-filter-entries =3D <1>; + snps,aal; + snps,txpbl =3D <8>; + snps,rxpbl =3D <8>; + snps,mtl-rx-config =3D <&gmac0_mtl_rx_setup>; + snps,mtl-tx-config =3D <&gmac0_mtl_tx_setup>; + snps,axi-config =3D <&gmac0_stmmac_axi_setup>; + status =3D "disabled"; + + gmac0_mdio: mdio { + compatible =3D "snps,dwmac-mdio"; + #address-cells =3D <1>; + #size-cells =3D <0>; + }; + + gmac0_mtl_rx_setup: rx-queues-config { + snps,rx-queues-to-use =3D <1>; + queue0 {}; + }; + + gmac0_mtl_tx_setup: tx-queues-config { + snps,tx-queues-to-use =3D <1>; + queue0 {}; + }; + + gmac0_stmmac_axi_setup: stmmac-axi-config { + snps,blen =3D <16 8 4 0 0 0 0>; + snps,rd_osr_lmt =3D <2>; + snps,wr_osr_lmt =3D <1>; + }; + }; + uart0: serial@4140000 { compatible =3D "snps,dw-apb-uart"; reg =3D <0x04140000 0x100>; --=20 2.50.0 From nobody Wed Oct 8 02:00:44 2025 Received: from mail-pj1-f41.google.com (mail-pj1-f41.google.com [209.85.216.41]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 73F812192F8; Thu, 3 Jul 2025 02:16:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; 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charset="utf-8" Add DT device node of mdio multiplexer device for cv18xx SoC. Signed-off-by: Inochi Amaoto --- arch/riscv/boot/dts/sophgo/cv180x.dtsi | 29 ++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/arch/riscv/boot/dts/sophgo/cv180x.dtsi b/arch/riscv/boot/dts/s= ophgo/cv180x.dtsi index 7eecc67f896e..3a82cc40ea1a 100644 --- a/arch/riscv/boot/dts/sophgo/cv180x.dtsi +++ b/arch/riscv/boot/dts/sophgo/cv180x.dtsi @@ -31,6 +31,33 @@ rst: reset-controller@3003000 { #reset-cells =3D <1>; }; =20 + mdio: mdio@3009800 { + compatible =3D "mdio-mux-mmioreg", "mdio-mux"; + reg =3D <0x3009800 0x4>; + #address-cells =3D <1>; + #size-cells =3D <0>; + mdio-parent-bus =3D <&gmac0_mdio>; + mux-mask =3D <0x80>; + status =3D "disabled"; + + internal_mdio: mdio@0 { + #address-cells =3D <1>; + #size-cells =3D <0>; + reg =3D <0>; + + internal_ephy: phy@0 { + compatible =3D "ethernet-phy-ieee802.3-c22"; + reg =3D <1>; + }; + }; + + external_mdio: mdio@80 { + #address-cells =3D <1>; + #size-cells =3D <0>; + reg =3D <0x80>; + }; + }; + gpio0: gpio@3020000 { compatible =3D "snps,dw-apb-gpio"; 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charset="utf-8" Enable ethernet controller and mdio multiplexer device on Huashan Pi. Signed-off-by: Inochi Amaoto --- arch/riscv/boot/dts/sophgo/cv1812h-huashan-pi.dts | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/riscv/boot/dts/sophgo/cv1812h-huashan-pi.dts b/arch/riscv= /boot/dts/sophgo/cv1812h-huashan-pi.dts index 26b57e15adc1..4a5835fa9e96 100644 --- a/arch/riscv/boot/dts/sophgo/cv1812h-huashan-pi.dts +++ b/arch/riscv/boot/dts/sophgo/cv1812h-huashan-pi.dts @@ -55,6 +55,14 @@ &emmc { non-removable; }; =20 +&gmac0 { + status =3D "okay"; +}; + +&mdio { + status =3D "okay"; +}; + &sdhci0 { status =3D "okay"; bus-width =3D <4>; --=20 2.50.0