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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Simon Horman , Russell King , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [RFC net-next 1/3] dt-bindings: net: dsa: yt921x: Add Motorcomm YT921x switch support Date: Thu, 14 Aug 2025 14:50:20 +0800 Message-ID: <20250814065032.3766988-2-mmyangfl@gmail.com> X-Mailer: git-send-email 2.47.2 In-Reply-To: <20250814065032.3766988-1-mmyangfl@gmail.com> References: <20250814065032.3766988-1-mmyangfl@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" The Motorcomm YT921x series is a family of Ethernet switches with up to 8 internal GbE PHYs and up to 2 GMACs. Signed-off-by: David Yang --- .../bindings/net/dsa/motorcomm,yt921x.yaml | 121 ++++++++++++++++++ 1 file changed, 121 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/dsa/motorcomm,yt9= 21x.yaml diff --git a/Documentation/devicetree/bindings/net/dsa/motorcomm,yt921x.yam= l b/Documentation/devicetree/bindings/net/dsa/motorcomm,yt921x.yaml new file mode 100644 index 000000000000..2f0e4532e73e --- /dev/null +++ b/Documentation/devicetree/bindings/net/dsa/motorcomm,yt921x.yaml @@ -0,0 +1,121 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/dsa/motorcomm,yt921x.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Motorcomm YT921x Ethernet switch family + +maintainers: + - David Yang + +description: | + The Motorcomm YT921x series is a family of Ethernet switches with up to 8 + internal GbE PHYs and up to 2 GMACs, including YT9213NB, YT9214NB, YT921= 5RB, + YT9215S, YT9215SC, YT9218N, YT9218MB. + + For now, only YT9215 is supported. + +properties: + compatible: + const: motorcomm,yt9215 + + reg: + maxItems: 1 + + reset-gpios: + description: Optional gpio specifier for a reset line + maxItems: 1 + + motorcomm,switch-id: + description: | + When managed via mdio, hard-configured switch id to distinguish betw= een + multiple devices. + enum: [0, 1, 2, 3] + default: 0 + + mdio: + $ref: /schemas/net/mdio.yaml# + unevaluatedProperties: false + description: MDIO bus for the internal GbE PHYs. + + mdio-external: + $ref: /schemas/net/mdio.yaml# + unevaluatedProperties: false + description: External MDIO bus. + + properties: + compatible: + const: motorcomm,yt921x-mdio-external + + required: + - compatible + +allOf: + - $ref: dsa.yaml#/$defs/ethernet-ports + +required: + - compatible + - reg + +unevaluatedProperties: false + +examples: + - | + mdio { + #address-cells =3D <1>; + #size-cells =3D <0>; + + switch@1d { + compatible =3D "motorcomm,yt9215"; + reg =3D <0x1d>; + + ports { + #address-cells =3D <1>; + #size-cells =3D <0>; + + port@0 { + reg =3D <0>; + label =3D "lan1"; + phy-mode =3D "internal"; + }; + + port@1 { + reg =3D <1>; + label =3D "lan2"; + phy-mode =3D "internal"; + }; + + port@2 { + reg =3D <2>; + label =3D "lan3"; + phy-mode =3D "internal"; + }; + + port@3 { + reg =3D <3>; + label =3D "lan4"; + phy-mode =3D "internal"; + }; + + port@4 { + reg =3D <4>; + label =3D "wan"; + phy-mode =3D "internal"; + }; + + port@8 { + reg =3D <8>; + phy-mode =3D "sgmii"; + ethernet =3D <ð0>; + + fixed-link { + speed =3D <1000>; + full-duplex; + pause; + asym-pause; + }; + }; + }; + }; + }; --=20 2.47.2