1 # SPDX-License-Identifier: GPL-2.0-only OR BSD 1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/phy/samsung 4 $id: http://devicetree.org/schemas/phy/samsung,usb2-phy.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: Samsung S5P/Exynos SoC USB 2.0 PHY 7 title: Samsung S5P/Exynos SoC USB 2.0 PHY
8 8
9 maintainers: 9 maintainers:
10 - Krzysztof Kozlowski <krzk@kernel.org> 10 - Krzysztof Kozlowski <krzk@kernel.org>
11 - Marek Szyprowski <m.szyprowski@samsung.com> 11 - Marek Szyprowski <m.szyprowski@samsung.com>
12 - Sylwester Nawrocki <s.nawrocki@samsung.com> 12 - Sylwester Nawrocki <s.nawrocki@samsung.com>
13 13
14 description: | 14 description: |
15 The first phandle argument in the PHY specif 15 The first phandle argument in the PHY specifier identifies the PHY, its
16 meaning is compatible dependent. For the cur 16 meaning is compatible dependent. For the currently supported SoCs (Exynos4210
17 and Exynos4212) it is as follows:: 17 and Exynos4212) it is as follows::
18 0 - USB device ("device"), 18 0 - USB device ("device"),
19 1 - USB host ("host"), 19 1 - USB host ("host"),
20 2 - HSIC0 ("hsic0"), 20 2 - HSIC0 ("hsic0"),
21 3 - HSIC1 ("hsic1"), 21 3 - HSIC1 ("hsic1"),
22 Exynos3250 has only USB device phy available 22 Exynos3250 has only USB device phy available as phy 0.
23 23
24 Exynos4210 and Exynos4212 use mode switching 24 Exynos4210 and Exynos4212 use mode switching and require that mode switch
25 register is supplied. 25 register is supplied.
26 26
27 properties: 27 properties:
28 compatible: 28 compatible:
29 enum: 29 enum:
30 - samsung,exynos3250-usb2-phy 30 - samsung,exynos3250-usb2-phy
31 - samsung,exynos4210-usb2-phy 31 - samsung,exynos4210-usb2-phy
32 - samsung,exynos4x12-usb2-phy 32 - samsung,exynos4x12-usb2-phy
33 - samsung,exynos5250-usb2-phy 33 - samsung,exynos5250-usb2-phy
34 - samsung,exynos5420-usb2-phy 34 - samsung,exynos5420-usb2-phy
35 - samsung,s5pv210-usb2-phy 35 - samsung,s5pv210-usb2-phy
36 36
37 clocks: 37 clocks:
38 items: 38 items:
39 - description: PHY module gate clock. 39 - description: PHY module gate clock.
40 - description: Reference rate clock of P 40 - description: Reference rate clock of PHY module.
41 41
42 clock-names: 42 clock-names:
43 items: 43 items:
44 - const: phy 44 - const: phy
45 - const: ref 45 - const: ref
46 46
47 "#phy-cells": 47 "#phy-cells":
48 const: 1 48 const: 1
49 49
50 reg: 50 reg:
51 maxItems: 1 51 maxItems: 1
52 52
53 samsung,pmureg-phandle: 53 samsung,pmureg-phandle:
54 $ref: /schemas/types.yaml#/definitions/pha 54 $ref: /schemas/types.yaml#/definitions/phandle
55 description: 55 description:
56 Phandle to PMU system controller interfa 56 Phandle to PMU system controller interface.
57 57
58 samsung,sysreg-phandle: 58 samsung,sysreg-phandle:
59 $ref: /schemas/types.yaml#/definitions/pha 59 $ref: /schemas/types.yaml#/definitions/phandle
60 description: 60 description:
61 Phandle to system registers interface. 61 Phandle to system registers interface.
62 62
63 vbus-supply: 63 vbus-supply:
64 description: 64 description:
65 VBUS power source. 65 VBUS power source.
66 66
67 required: 67 required:
68 - compatible 68 - compatible
69 - clocks 69 - clocks
70 - clock-names 70 - clock-names
71 - "#phy-cells" 71 - "#phy-cells"
72 - reg 72 - reg
73 - samsung,pmureg-phandle 73 - samsung,pmureg-phandle
74 74
75 allOf: 75 allOf:
76 - if: 76 - if:
77 properties: 77 properties:
78 compatible: 78 compatible:
79 contains: 79 contains:
80 enum: 80 enum:
81 - samsung,exynos4x12-usb2-phy 81 - samsung,exynos4x12-usb2-phy
82 - samsung,exynos5250-usb2-phy 82 - samsung,exynos5250-usb2-phy
83 - samsung,exynos5420-usb2-phy 83 - samsung,exynos5420-usb2-phy
84 then: 84 then:
85 required: 85 required:
86 - samsung,sysreg-phandle 86 - samsung,sysreg-phandle
87 87
88 additionalProperties: false 88 additionalProperties: false
89 89
90 examples: 90 examples:
91 - | 91 - |
92 #include <dt-bindings/clock/exynos5420.h> 92 #include <dt-bindings/clock/exynos5420.h>
93 93
94 phy@12130000 { 94 phy@12130000 {
95 compatible = "samsung,exynos5420-usb2- 95 compatible = "samsung,exynos5420-usb2-phy";
96 reg = <0x12130000 0x100>; 96 reg = <0x12130000 0x100>;
97 #phy-cells = <1>; 97 #phy-cells = <1>;
98 clocks = <&clock CLK_USBH20>, <&clock 98 clocks = <&clock CLK_USBH20>, <&clock CLK_SCLK_USBPHY300>;
99 clock-names = "phy", "ref"; 99 clock-names = "phy", "ref";
100 samsung,sysreg-phandle = <&sysreg_syst 100 samsung,sysreg-phandle = <&sysreg_system_controller>;
101 samsung,pmureg-phandle = <&pmu_system_ 101 samsung,pmureg-phandle = <&pmu_system_controller>;
102 }; 102 };
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