allwinner,sun8i-h3-usb-phy.yaml

  1# SPDX-License-Identifier: GPL-2.0
  2%YAML 1.2
  3---
  4$id: http://devicetree.org/schemas/phy/allwinner,sun8i-h3-usb-phy.yaml#
  5$schema: http://devicetree.org/meta-schemas/core.yaml#
  6
  7title: Allwinner H3 USB PHY
  8
  9maintainers:
 10  - Chen-Yu Tsai <wens@csie.org>
 11  - Maxime Ripard <mripard@kernel.org>
 12
 13properties:
 14  "#phy-cells":
 15    const: 1
 16
 17  compatible:
 18    enum:
 19      - allwinner,sun8i-h3-usb-phy
 20      - allwinner,sun50i-h616-usb-phy
 21
 22  reg:
 23    items:
 24      - description: PHY Control registers
 25      - description: PHY PMU0 registers
 26      - description: PHY PMU1 registers
 27      - description: PHY PMU2 registers
 28      - description: PHY PMU3 registers
 29
 30  reg-names:
 31    items:
 32      - const: phy_ctrl
 33      - const: pmu0
 34      - const: pmu1
 35      - const: pmu2
 36      - const: pmu3
 37
 38  clocks:
 39    minItems: 4
 40    items:
 41      - description: USB OTG PHY bus clock
 42      - description: USB Host 0 PHY bus clock
 43      - description: USB Host 1 PHY bus clock
 44      - description: USB Host 2 PHY bus clock
 45      - description: PMU clock for host port 2
 46
 47  clock-names:
 48    minItems: 4
 49    items:
 50      - const: usb0_phy
 51      - const: usb1_phy
 52      - const: usb2_phy
 53      - const: usb3_phy
 54      - const: pmu2_clk
 55
 56  resets:
 57    items:
 58      - description: USB OTG reset
 59      - description: USB Host 1 Controller reset
 60      - description: USB Host 2 Controller reset
 61      - description: USB Host 3 Controller reset
 62
 63  reset-names:
 64    items:
 65      - const: usb0_reset
 66      - const: usb1_reset
 67      - const: usb2_reset
 68      - const: usb3_reset
 69
 70  usb0_id_det-gpios:
 71    maxItems: 1
 72    description: GPIO to the USB OTG ID pin
 73
 74  usb0_vbus_det-gpios:
 75    maxItems: 1
 76    description: GPIO to the USB OTG VBUS detect pin
 77
 78  usb0_vbus_power-supply:
 79    description: Power supply to detect the USB OTG VBUS
 80
 81  usb0_vbus-supply:
 82    description: Regulator controlling USB OTG VBUS
 83
 84  usb1_vbus-supply:
 85    description: Regulator controlling USB1 Host controller
 86
 87  usb2_vbus-supply:
 88    description: Regulator controlling USB2 Host controller
 89
 90  usb3_vbus-supply:
 91    description: Regulator controlling USB3 Host controller
 92
 93required:
 94  - "#phy-cells"
 95  - compatible
 96  - clocks
 97  - clock-names
 98  - reg
 99  - reg-names
100  - resets
101  - reset-names
102
103allOf:
104  - if:
105      properties:
106        compatible:
107          contains:
108            enum:
109              - allwinner,sun50i-h616-usb-phy
110    then:
111      properties:
112        clocks:
113          minItems: 5
114
115        clock-names:
116          minItems: 5
117    else:
118      properties:
119        clocks:
120          maxItems: 4
121
122        clock-names:
123          maxItems: 4
124
125additionalProperties: false
126
127examples:
128  - |
129    #include <dt-bindings/gpio/gpio.h>
130    #include <dt-bindings/clock/sun8i-h3-ccu.h>
131    #include <dt-bindings/reset/sun8i-h3-ccu.h>
132
133    phy@1c19400 {
134        #phy-cells = <1>;
135        compatible = "allwinner,sun8i-h3-usb-phy";
136        reg = <0x01c19400 0x2c>,
137              <0x01c1a800 0x4>,
138              <0x01c1b800 0x4>,
139              <0x01c1c800 0x4>,
140              <0x01c1d800 0x4>;
141        reg-names = "phy_ctrl",
142                    "pmu0",
143                    "pmu1",
144                    "pmu2",
145                    "pmu3";
146        clocks = <&ccu CLK_USB_PHY0>,
147                 <&ccu CLK_USB_PHY1>,
148                 <&ccu CLK_USB_PHY2>,
149                 <&ccu CLK_USB_PHY3>;
150        clock-names = "usb0_phy",
151                      "usb1_phy",
152                      "usb2_phy",
153                      "usb3_phy";
154        resets = <&ccu RST_USB_PHY0>,
155                 <&ccu RST_USB_PHY1>,
156                 <&ccu RST_USB_PHY2>,
157                 <&ccu RST_USB_PHY3>;
158        reset-names = "usb0_reset",
159                      "usb1_reset",
160                      "usb2_reset",
161                      "usb3_reset";
162        usb0_id_det-gpios = <&pio 6 12 GPIO_ACTIVE_HIGH>; /* PG12 */
163        usb0_vbus-supply = <&reg_usb0_vbus>;
164        usb1_vbus-supply = <&reg_usb1_vbus>;
165        usb2_vbus-supply = <&reg_usb2_vbus>;
166        usb3_vbus-supply = <&reg_usb3_vbus>;
167    };