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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Chen Wang , Inochi Amaoto , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Richard Cochran , Alexander Sverdlin , Yixun Lan , Thomas Bonnefille , Ze Huang Cc: netdev@vger.kernel.org, devicetree@vger.kernel.org, sophgo@lists.linux.dev, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, Longbin Li Subject: [PATCH net-next RFC v4 3/4] riscv: dts: sophgo: Add mdio multiplexer device for cv18xx Date: Tue, 1 Jul 2025 09:17:28 +0800 Message-ID: <20250701011730.136002-4-inochiama@gmail.com> X-Mailer: git-send-email 2.50.0 In-Reply-To: <20250701011730.136002-1-inochiama@gmail.com> References: <20250701011730.136002-1-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 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"; reg =3D <0x3020000 0x1000>; @@ -196,6 +223,8 @@ gmac0: ethernet@4070000 { clock-names =3D "stmmaceth", "ptp_ref"; interrupts =3D ; interrupt-names =3D "macirq"; + phy-handle =3D <&internal_ephy>; + phy-mode =3D "internal"; resets =3D <&rst RST_ETH0>; reset-names =3D "stmmaceth"; rx-fifo-depth =3D <8192>; --=20 2.50.0