# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2 --- $id: http://devicetree.org/schemas/phy/renesas,usb3-phy.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: Renesas R-Car generation 3 USB 3.0 PHY maintainers: - Yoshihiro Shimoda properties: compatible: items: - enum: - renesas,r8a774a1-usb3-phy # RZ/G2M - renesas,r8a774b1-usb3-phy # RZ/G2N - renesas,r8a774e1-usb3-phy # RZ/G2H - renesas,r8a7795-usb3-phy # R-Car H3 - renesas,r8a7796-usb3-phy # R-Car M3-W - renesas,r8a77961-usb3-phy # R-Car M3-W+ - renesas,r8a77965-usb3-phy # R-Car M3-N - const: renesas,rcar-gen3-usb3-phy reg: maxItems: 1 clocks: minItems: 2 maxItems: 3 clock-names: # If you want to use the ssc, the clock-frequency of usb_extal # must not be 0. minItems: 2 items: - const: usb3-if # The functional clock - const: usb3s_clk # The usb3's external clock - const: usb_extal # The usb2's external clock '#phy-cells': # see phy-bindings.txt in the same directory const: 0 power-domains: maxItems: 1 resets: maxItems: 1 renesas,ssc-range: description: | Enable/disable spread spectrum clock (ssc). 0 or the property doesn't exist means disabling the ssc. The actual value will be - ppm. $ref: /schemas/types.yaml#/definitions/uint32 enum: [ 0, 4003, 4492, 4980 ] required: - compatible - reg - clocks - clock-names - '#phy-cells' additionalProperties: false examples: - | #include #include usb-phy@e65ee000 { compatible = "renesas,r8a7795-usb3-phy", "renesas,rcar-gen3-usb3-phy"; reg = <0xe65ee000 0x90>; clocks = <&cpg CPG_MOD 328>, <&usb3s0_clk>, <&usb_extal>; clock-names = "usb3-if", "usb3s_clk", "usb_extal"; #phy-cells = <0>; };