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charset=us-ascii Content-Disposition: inline In-Reply-To: <20250407145157.3626463-2-lukma@denx.de> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250410_135927_724515_E211237F X-CRM114-Status: GOOD ( 23.52 ) 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 On Mon, Apr 07, 2025 at 04:51:53PM +0200, Lukasz Majewski wrote: > This patch provides description of the MTIP L2 switch available in some > NXP's SOCs - e.g. imx287. > > Signed-off-by: Lukasz Majewski > --- > Changes for v2: > - Rename the file to match exactly the compatible > (nxp,imx287-mtip-switch) > > Changes for v3: > - Remove '-' from const:'nxp,imx287-mtip-switch' > - Use '^port@[12]+$' for port patternProperties > - Drop status = "okay"; > - Provide proper indentation for 'example' binding (replace 8 > spaces with 4 spaces) > - Remove smsc,disable-energy-detect; property > - Remove interrupt-parent and interrupts properties as not required > - Remove #address-cells and #size-cells from required properties check > - remove description from reg: > - Add $ref: ethernet-switch.yaml# > > Changes for v4: > - Use $ref: ethernet-switch.yaml#/$defs/ethernet-ports and remove already > referenced properties > - Rename file to nxp,imx28-mtip-switch.yaml > --- > .../bindings/net/nxp,imx28-mtip-switch.yaml | 126 ++++++++++++++++++ > 1 file changed, 126 insertions(+) > create mode 100644 Documentation/devicetree/bindings/net/nxp,imx28-mtip-switch.yaml > > diff --git a/Documentation/devicetree/bindings/net/nxp,imx28-mtip-switch.yaml b/Documentation/devicetree/bindings/net/nxp,imx28-mtip-switch.yaml > new file mode 100644 > index 000000000000..1afaf8029725 > --- /dev/null > +++ b/Documentation/devicetree/bindings/net/nxp,imx28-mtip-switch.yaml > @@ -0,0 +1,126 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/net/nxp,imx28-mtip-switch.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: NXP SoC Ethernet Switch Controller (L2 MoreThanIP switch) > + > +maintainers: > + - Lukasz Majewski > + > +description: > + The 2-port switch ethernet subsystem provides ethernet packet (L2) > + communication and can be configured as an ethernet switch. It provides the > + reduced media independent interface (RMII), the management data input > + output (MDIO) for physical layer device (PHY) management. > + > +$ref: ethernet-switch.yaml#/$defs/ethernet-ports > + > +patternProperties: > + "^(ethernet-)?ports$": New bindings should only use 'ethernet-ports'. > + type: object > + additionalProperties: true But what's this for? I thought you had some constrants for phy-mode and phy-handle? > + > +properties: > + compatible: > + const: nxp,imx28-mtip-switch > + > + reg: > + maxItems: 1 > + > + phy-supply: > + description: > + Regulator that powers Ethernet PHYs. > + > + clocks: > + items: > + - description: Register accessing clock > + - description: Bus access clock > + - description: Output clock for external device - e.g. PHY source clock > + - description: IEEE1588 timer clock > + > + clock-names: > + items: > + - const: ipg > + - const: ahb > + - const: enet_out > + - const: ptp > + > + interrupts: > + items: > + - description: Switch interrupt > + - description: ENET0 interrupt > + - description: ENET1 interrupt > + > + pinctrl-names: true > + > + mdio: > + type: object > + $ref: mdio.yaml# > + unevaluatedProperties: false > + description: > + Specifies the mdio bus in the switch, used as a container for phy nodes. > + > +required: > + - compatible > + - reg > + - clocks > + - clock-names > + - interrupts > + - mdio > + - ethernet-ports > + > +additionalProperties: false unevaluatedProperties: false > + > +examples: > + - | > + #include > + switch@800f0000 { > + compatible = "nxp,imx28-mtip-switch"; > + reg = <0x800f0000 0x20000>; > + pinctrl-names = "default"; > + pinctrl-0 = <&mac0_pins_a>, <&mac1_pins_a>; > + phy-supply = <®_fec_3v3>; > + interrupts = <100>, <101>, <102>; > + clocks = <&clks 57>, <&clks 57>, <&clks 64>, <&clks 35>; > + clock-names = "ipg", "ahb", "enet_out", "ptp"; > + > + ethernet-ports { > + #address-cells = <1>; > + #size-cells = <0>; > + > + mtip_port1: ethernet-port@1 { > + reg = <1>; > + label = "lan0"; > + local-mac-address = [ 00 00 00 00 00 00 ]; > + phy-mode = "rmii"; > + phy-handle = <ðphy0>; > + }; > + > + mtip_port2: ethernet-port@2 { > + reg = <2>; > + label = "lan1"; > + local-mac-address = [ 00 00 00 00 00 00 ]; > + phy-mode = "rmii"; > + phy-handle = <ðphy1>; > + }; > + }; > + > + mdio_sw: mdio { > + #address-cells = <1>; > + #size-cells = <0>; > + > + reset-gpios = <&gpio2 13 0>; > + reset-delay-us = <25000>; > + reset-post-delay-us = <10000>; > + > + ethphy0: ethernet-phy@0 { > + reg = <0>; > + }; > + > + ethphy1: ethernet-phy@1 { > + reg = <1>; > + }; > + }; > + }; > -- > 2.39.5 >