1*60c24dbfSKrzysztof Kozlowski# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause 2*60c24dbfSKrzysztof Kozlowski%YAML 1.2 3*60c24dbfSKrzysztof Kozlowski--- 4*60c24dbfSKrzysztof Kozlowski$id: http://devicetree.org/schemas/phy/samsung,usb3-drd-phy.yaml# 5*60c24dbfSKrzysztof Kozlowski$schema: http://devicetree.org/meta-schemas/core.yaml# 6*60c24dbfSKrzysztof Kozlowski 7*60c24dbfSKrzysztof Kozlowskititle: Samsung Exynos SoC USB 3.0 DRD PHY USB 2.0 PHY 8*60c24dbfSKrzysztof Kozlowski 9*60c24dbfSKrzysztof Kozlowskimaintainers: 10*60c24dbfSKrzysztof Kozlowski - Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> 11*60c24dbfSKrzysztof Kozlowski - Marek Szyprowski <m.szyprowski@samsung.com> 12*60c24dbfSKrzysztof Kozlowski - Sylwester Nawrocki <s.nawrocki@samsung.com> 13*60c24dbfSKrzysztof Kozlowski 14*60c24dbfSKrzysztof Kozlowskidescription: | 15*60c24dbfSKrzysztof Kozlowski For samsung,exynos5250-usbdrd-phy and samsung,exynos5420-usbdrd-phy 16*60c24dbfSKrzysztof Kozlowski compatible PHYs, the second cell in the PHY specifier identifies the 17*60c24dbfSKrzysztof Kozlowski PHY id, which is interpreted as follows:: 18*60c24dbfSKrzysztof Kozlowski 0 - UTMI+ type phy, 19*60c24dbfSKrzysztof Kozlowski 1 - PIPE3 type phy. 20*60c24dbfSKrzysztof Kozlowski 21*60c24dbfSKrzysztof Kozlowski For SoCs like Exynos5420 having multiple USB 3.0 DRD PHY controllers, 22*60c24dbfSKrzysztof Kozlowski 'usbdrd_phy' nodes should have numbered alias in the aliases node, in the 23*60c24dbfSKrzysztof Kozlowski form of usbdrdphyN, N = 0, 1... (depending on number of controllers). 24*60c24dbfSKrzysztof Kozlowski 25*60c24dbfSKrzysztof Kozlowskiproperties: 26*60c24dbfSKrzysztof Kozlowski compatible: 27*60c24dbfSKrzysztof Kozlowski enum: 28*60c24dbfSKrzysztof Kozlowski - samsung,exynos5250-usbdrd-phy 29*60c24dbfSKrzysztof Kozlowski - samsung,exynos5420-usbdrd-phy 30*60c24dbfSKrzysztof Kozlowski - samsung,exynos5433-usbdrd-phy 31*60c24dbfSKrzysztof Kozlowski - samsung,exynos7-usbdrd-phy 32*60c24dbfSKrzysztof Kozlowski 33*60c24dbfSKrzysztof Kozlowski clocks: 34*60c24dbfSKrzysztof Kozlowski minItems: 2 35*60c24dbfSKrzysztof Kozlowski maxItems: 5 36*60c24dbfSKrzysztof Kozlowski 37*60c24dbfSKrzysztof Kozlowski clock-names: 38*60c24dbfSKrzysztof Kozlowski minItems: 2 39*60c24dbfSKrzysztof Kozlowski maxItems: 5 40*60c24dbfSKrzysztof Kozlowski description: | 41*60c24dbfSKrzysztof Kozlowski At least two clocks:: 42*60c24dbfSKrzysztof Kozlowski - Main PHY clock (same as USB DRD controller i.e. DWC3 IP clock), used 43*60c24dbfSKrzysztof Kozlowski for register access. 44*60c24dbfSKrzysztof Kozlowski - PHY reference clock (usually crystal clock), used for PHY operations, 45*60c24dbfSKrzysztof Kozlowski associated by phy name. It is used to determine bit values for clock 46*60c24dbfSKrzysztof Kozlowski settings register. For Exynos5420 this is given as 'sclk_usbphy30' 47*60c24dbfSKrzysztof Kozlowski in the CMU. 48*60c24dbfSKrzysztof Kozlowski 49*60c24dbfSKrzysztof Kozlowski "#phy-cells": 50*60c24dbfSKrzysztof Kozlowski const: 1 51*60c24dbfSKrzysztof Kozlowski 52*60c24dbfSKrzysztof Kozlowski port: 53*60c24dbfSKrzysztof Kozlowski $ref: /schemas/graph.yaml#/properties/port 54*60c24dbfSKrzysztof Kozlowski description: 55*60c24dbfSKrzysztof Kozlowski Any connector to the data bus of this controller should be modelled using 56*60c24dbfSKrzysztof Kozlowski the OF graph bindings specified. 57*60c24dbfSKrzysztof Kozlowski 58*60c24dbfSKrzysztof Kozlowski reg: 59*60c24dbfSKrzysztof Kozlowski maxItems: 1 60*60c24dbfSKrzysztof Kozlowski 61*60c24dbfSKrzysztof Kozlowski samsung,pmu-syscon: 62*60c24dbfSKrzysztof Kozlowski $ref: /schemas/types.yaml#/definitions/phandle 63*60c24dbfSKrzysztof Kozlowski description: 64*60c24dbfSKrzysztof Kozlowski Phandle to PMU system controller interface. 65*60c24dbfSKrzysztof Kozlowski 66*60c24dbfSKrzysztof Kozlowski vbus-supply: 67*60c24dbfSKrzysztof Kozlowski description: 68*60c24dbfSKrzysztof Kozlowski VBUS power source. 69*60c24dbfSKrzysztof Kozlowski 70*60c24dbfSKrzysztof Kozlowski vbus-boost-supply: 71*60c24dbfSKrzysztof Kozlowski description: 72*60c24dbfSKrzysztof Kozlowski VBUS Boost 5V power source. 73*60c24dbfSKrzysztof Kozlowski 74*60c24dbfSKrzysztof Kozlowskirequired: 75*60c24dbfSKrzysztof Kozlowski - compatible 76*60c24dbfSKrzysztof Kozlowski - clocks 77*60c24dbfSKrzysztof Kozlowski - clock-names 78*60c24dbfSKrzysztof Kozlowski - "#phy-cells" 79*60c24dbfSKrzysztof Kozlowski - reg 80*60c24dbfSKrzysztof Kozlowski - samsung,pmu-syscon 81*60c24dbfSKrzysztof Kozlowski 82*60c24dbfSKrzysztof KozlowskiallOf: 83*60c24dbfSKrzysztof Kozlowski - if: 84*60c24dbfSKrzysztof Kozlowski properties: 85*60c24dbfSKrzysztof Kozlowski compatible: 86*60c24dbfSKrzysztof Kozlowski contains: 87*60c24dbfSKrzysztof Kozlowski enum: 88*60c24dbfSKrzysztof Kozlowski - samsung,exynos5433-usbdrd-phy 89*60c24dbfSKrzysztof Kozlowski - samsung,exynos7-usbdrd-phy 90*60c24dbfSKrzysztof Kozlowski then: 91*60c24dbfSKrzysztof Kozlowski properties: 92*60c24dbfSKrzysztof Kozlowski clocks: 93*60c24dbfSKrzysztof Kozlowski minItems: 5 94*60c24dbfSKrzysztof Kozlowski maxItems: 5 95*60c24dbfSKrzysztof Kozlowski clock-names: 96*60c24dbfSKrzysztof Kozlowski items: 97*60c24dbfSKrzysztof Kozlowski - const: phy 98*60c24dbfSKrzysztof Kozlowski - const: ref 99*60c24dbfSKrzysztof Kozlowski - const: phy_utmi 100*60c24dbfSKrzysztof Kozlowski - const: phy_pipe 101*60c24dbfSKrzysztof Kozlowski - const: itp 102*60c24dbfSKrzysztof Kozlowski else: 103*60c24dbfSKrzysztof Kozlowski properties: 104*60c24dbfSKrzysztof Kozlowski clocks: 105*60c24dbfSKrzysztof Kozlowski minItems: 2 106*60c24dbfSKrzysztof Kozlowski maxItems: 2 107*60c24dbfSKrzysztof Kozlowski clock-names: 108*60c24dbfSKrzysztof Kozlowski items: 109*60c24dbfSKrzysztof Kozlowski - const: phy 110*60c24dbfSKrzysztof Kozlowski - const: ref 111*60c24dbfSKrzysztof Kozlowski 112*60c24dbfSKrzysztof KozlowskiadditionalProperties: false 113*60c24dbfSKrzysztof Kozlowski 114*60c24dbfSKrzysztof Kozlowskiexamples: 115*60c24dbfSKrzysztof Kozlowski - | 116*60c24dbfSKrzysztof Kozlowski #include <dt-bindings/clock/exynos5420.h> 117*60c24dbfSKrzysztof Kozlowski 118*60c24dbfSKrzysztof Kozlowski phy@12100000 { 119*60c24dbfSKrzysztof Kozlowski compatible = "samsung,exynos5420-usbdrd-phy"; 120*60c24dbfSKrzysztof Kozlowski reg = <0x12100000 0x100>; 121*60c24dbfSKrzysztof Kozlowski #phy-cells = <1>; 122*60c24dbfSKrzysztof Kozlowski clocks = <&clock CLK_USBD300>, <&clock CLK_SCLK_USBPHY300>; 123*60c24dbfSKrzysztof Kozlowski clock-names = "phy", "ref"; 124*60c24dbfSKrzysztof Kozlowski samsung,pmu-syscon = <&pmu_system_controller>; 125*60c24dbfSKrzysztof Kozlowski vbus-supply = <&usb300_vbus_reg>; 126*60c24dbfSKrzysztof Kozlowski }; 127