1 # SPDX-License-Identifier: GPL-2.0-only OR BSD
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/phy/samsung
5 $schema: http://devicetree.org/meta-schemas/co
6
7 title: Samsung Exynos SoC USB 3.0 DRD PHY USB
8
9 maintainers:
10 - Krzysztof Kozlowski <krzk@kernel.org>
11 - Marek Szyprowski <m.szyprowski@samsung.com>
12 - Sylwester Nawrocki <s.nawrocki@samsung.com>
13
14 description: |
15 For samsung,exynos5250-usbdrd-phy and samsun
16 compatible PHYs, the second cell in the PHY
17 PHY id, which is interpreted as follows::
18 0 - UTMI+ type phy,
19 1 - PIPE3 type phy.
20
21 For SoCs like Exynos5420 having multiple USB
22 'usbdrd_phy' nodes should have numbered alia
23 form of usbdrdphyN, N = 0, 1... (depending o
24
25 properties:
26 compatible:
27 enum:
28 - google,gs101-usb31drd-phy
29 - samsung,exynos5250-usbdrd-phy
30 - samsung,exynos5420-usbdrd-phy
31 - samsung,exynos5433-usbdrd-phy
32 - samsung,exynos7-usbdrd-phy
33 - samsung,exynos850-usbdrd-phy
34
35 clocks:
36 minItems: 2
37 maxItems: 5
38
39 clock-names:
40 minItems: 2
41 maxItems: 5
42 description: |
43 At least two clocks::
44 - Main PHY clock (same as USB DRD cont
45 for register access.
46 - PHY reference clock (usually crystal
47 associated by phy name. It is used t
48 settings register. For Exynos5420 t
49 in the CMU.
50
51 "#phy-cells":
52 const: 1
53
54 port:
55 $ref: /schemas/graph.yaml#/properties/port
56 description:
57 Any connector to the data bus of this co
58 the OF graph bindings specified.
59
60 reg:
61 minItems: 1
62 maxItems: 3
63
64 reg-names:
65 minItems: 1
66 items:
67 - const: phy
68 - const: pcs
69 - const: pma
70
71 samsung,pmu-syscon:
72 $ref: /schemas/types.yaml#/definitions/pha
73 description:
74 Phandle to PMU system controller interfa
75
76 vbus-supply:
77 description:
78 VBUS power source.
79
80 vbus-boost-supply:
81 description:
82 VBUS Boost 5V power source.
83
84 pll-supply:
85 description: Power supply for the USB PLL.
86 dvdd-usb20-supply:
87 description: DVDD power supply for the USB
88 vddh-usb20-supply:
89 description: VDDh power supply for the USB
90 vdd33-usb20-supply:
91 description: 3.3V power supply for the USB
92 vdda-usbdp-supply:
93 description: VDDa power supply for the USB
94 vddh-usbdp-supply:
95 description: VDDh power supply for the USB
96
97 required:
98 - compatible
99 - clocks
100 - clock-names
101 - "#phy-cells"
102 - reg
103 - samsung,pmu-syscon
104
105 allOf:
106 - if:
107 properties:
108 compatible:
109 contains:
110 const: google,gs101-usb31drd-phy
111 then:
112 properties:
113 clocks:
114 items:
115 - description: Gate of main PHY cl
116 - description: Gate of PHY referen
117 - description: Gate of control int
118 - description: Gate of control int
119 - description: Gate of SCL APB clo
120 clock-names:
121 items:
122 - const: phy
123 - const: ref
124 - const: ctrl_aclk
125 - const: ctrl_pclk
126 - const: scl_pclk
127 reg:
128 minItems: 3
129 reg-names:
130 minItems: 3
131 required:
132 - reg-names
133 - pll-supply
134 - dvdd-usb20-supply
135 - vddh-usb20-supply
136 - vdd33-usb20-supply
137 - vdda-usbdp-supply
138 - vddh-usbdp-supply
139
140 - if:
141 properties:
142 compatible:
143 contains:
144 enum:
145 - samsung,exynos5433-usbdrd-phy
146 - samsung,exynos7-usbdrd-phy
147 then:
148 properties:
149 clocks:
150 minItems: 5
151 maxItems: 5
152 clock-names:
153 items:
154 - const: phy
155 - const: ref
156 - const: phy_utmi
157 - const: phy_pipe
158 - const: itp
159 reg:
160 maxItems: 1
161 reg-names:
162 maxItems: 1
163
164 - if:
165 properties:
166 compatible:
167 contains:
168 enum:
169 - samsung,exynos5250-usbdrd-phy
170 - samsung,exynos5420-usbdrd-phy
171 - samsung,exynos850-usbdrd-phy
172 then:
173 properties:
174 clocks:
175 minItems: 2
176 maxItems: 2
177 clock-names:
178 items:
179 - const: phy
180 - const: ref
181 reg:
182 maxItems: 1
183 reg-names:
184 maxItems: 1
185
186 additionalProperties: false
187
188 examples:
189 - |
190 #include <dt-bindings/clock/exynos5420.h>
191
192 phy@12100000 {
193 compatible = "samsung,exynos5420-usbdr
194 reg = <0x12100000 0x100>;
195 #phy-cells = <1>;
196 clocks = <&clock CLK_USBD300>, <&clock
197 clock-names = "phy", "ref";
198 samsung,pmu-syscon = <&pmu_system_cont
199 vbus-supply = <&usb300_vbus_reg>;
200 };
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