bindings/phy/allwinner%2Csun4i-a10-usb-phy.yaml

0001 # SPDX-License-Identifier: GPL-2.0
0002 %YAML 1.2
0003 ---
0004 $id: http://devicetree.org/schemas/phy/allwinner,sun4i-a10-usb-phy.yaml#
0005 $schema: http://devicetree.org/meta-schemas/core.yaml#
0006
0007 title: Allwinner A10 USB PHY Device Tree Bindings
0008
0009 maintainers:
0010   - Chen-Yu Tsai <wens@csie.org>
0011   - Maxime Ripard <mripard@kernel.org>
0012
0013 properties:
0014   "#phy-cells":
0015     const: 1
0016
0017   compatible:
0018     enum:
0019       - allwinner,sun4i-a10-usb-phy
0020       - allwinner,sun7i-a20-usb-phy
0021
0022   reg:
0023     items:
0024       - description: PHY Control registers
0025       - description: PHY PMU1 registers
0026       - description: PHY PMU2 registers
0027
0028   reg-names:
0029     items:
0030       - const: phy_ctrl
0031       - const: pmu1
0032       - const: pmu2
0033
0034   clocks:
0035     maxItems: 1
0036     description: USB PHY bus clock
0037
0038   clock-names:
0039     const: usb_phy
0040
0041   resets:
0042     items:
0043       - description: USB OTG reset
0044       - description: USB Host 1 Controller reset
0045       - description: USB Host 2 Controller reset
0046
0047   reset-names:
0048     items:
0049       - const: usb0_reset
0050       - const: usb1_reset
0051       - const: usb2_reset
0052
0053   usb0_id_det-gpios:
0054     maxItems: 1
0055     description: GPIO to the USB OTG ID pin
0056
0057   usb0_vbus_det-gpios:
0058     maxItems: 1
0059     description: GPIO to the USB OTG VBUS detect pin
0060
0061   usb0_vbus_power-supply:
0062     description: Power supply to detect the USB OTG VBUS
0063
0064   usb0_vbus-supply:
0065     description: Regulator controlling USB OTG VBUS
0066
0067   usb1_vbus-supply:
0068     description: Regulator controlling USB1 Host controller
0069
0070   usb2_vbus-supply:
0071     description: Regulator controlling USB2 Host controller
0072
0073 required:
0074   - "#phy-cells"
0075   - compatible
0076   - clocks
0077   - clock-names
0078   - reg
0079   - reg-names
0080   - resets
0081   - reset-names
0082
0083 additionalProperties: false
0084
0085 examples:
0086   - |
0087     #include <dt-bindings/gpio/gpio.h>
0088     #include <dt-bindings/clock/sun4i-a10-ccu.h>
0089     #include <dt-bindings/reset/sun4i-a10-ccu.h>
0090
0091     usbphy: phy@1c13400 {
0092         #phy-cells = <1>;
0093         compatible = "allwinner,sun4i-a10-usb-phy";
0094         reg = <0x01c13400 0x10>, <0x01c14800 0x4>, <0x01c1c800 0x4>;
0095         reg-names = "phy_ctrl", "pmu1", "pmu2";
0096         clocks = <&ccu CLK_USB_PHY>;
0097         clock-names = "usb_phy";
0098         resets = <&ccu RST_USB_PHY0>,
0099                  <&ccu RST_USB_PHY1>,
0100                  <&ccu RST_USB_PHY2>;
0101         reset-names = "usb0_reset", "usb1_reset", "usb2_reset";
0102         usb0_id_det-gpios = <&pio 7 19 GPIO_ACTIVE_HIGH>;
0103         usb0_vbus_det-gpios = <&pio 7 22 GPIO_ACTIVE_HIGH>;
0104         usb0_vbus-supply = <&reg_usb0_vbus>;
0105         usb1_vbus-supply = <&reg_usb1_vbus>;
0106         usb2_vbus-supply = <&reg_usb2_vbus>;
0107     };