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# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause %YAML 1.2 --- $id: http://devicetree.org/schemas/phy/samsung,usb2-phy.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: Samsung S5P/Exynos SoC USB 2.0 PHY maintainers: - Krzysztof Kozlowski <krzk@kernel.org> - Marek Szyprowski <m.szyprowski@samsung.com> - Sylwester Nawrocki <s.nawrocki@samsung.com> description: | The first phandle argument in the PHY specifier identifies the PHY, its meaning is compatible dependent. For the currently supported SoCs (Exynos4210 and Exynos4212) it is as follows:: 0 - USB device ("device"), 1 - USB host ("host"), 2 - HSIC0 ("hsic0"), 3 - HSIC1 ("hsic1"), Exynos3250 has only USB device phy available as phy 0. Exynos4210 and Exynos4212 use mode switching and require that mode switch register is supplied. properties: compatible: enum: - samsung,exynos3250-usb2-phy - samsung,exynos4210-usb2-phy - samsung,exynos4x12-usb2-phy - samsung,exynos5250-usb2-phy - samsung,exynos5420-usb2-phy - samsung,s5pv210-usb2-phy clocks: items: - description: PHY module gate clock. - description: Reference rate clock of PHY module. clock-names: items: - const: phy - const: ref "#phy-cells": const: 1 reg: maxItems: 1 samsung,pmureg-phandle: $ref: /schemas/types.yaml#/definitions/phandle description: Phandle to PMU system controller interface. samsung,sysreg-phandle: $ref: /schemas/types.yaml#/definitions/phandle description: Phandle to system registers interface. vbus-supply: description: VBUS power source. required: - compatible - clocks - clock-names - "#phy-cells" - reg - samsung,pmureg-phandle allOf: - if: properties: compatible: contains: enum: - samsung,exynos4x12-usb2-phy - samsung,exynos5250-usb2-phy - samsung,exynos5420-usb2-phy then: required: - samsung,sysreg-phandle additionalProperties: false examples: - | #include <dt-bindings/clock/exynos5420.h> phy@12130000 { compatible = "samsung,exynos5420-usb2-phy"; reg = <0x12130000 0x100>; #phy-cells = <1>; clocks = <&clock CLK_USBH20>, <&clock CLK_SCLK_USBPHY300>; clock-names = "phy", "ref"; samsung,sysreg-phandle = <&sysreg_system_controller>; samsung,pmureg-phandle = <&pmu_system_controller>; }; |