bindings/phy/allwinner%2Csun6i-a31-usb-phy.yaml

0001 # SPDX-License-Identifier: GPL-2.0
0002 %YAML 1.2
0003 ---
0004 $id: http://devicetree.org/schemas/phy/allwinner,sun6i-a31-usb-phy.yaml#
0005 $schema: http://devicetree.org/meta-schemas/core.yaml#
0006
0007 title: Allwinner A31 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     const: allwinner,sun6i-a31-usb-phy
0019
0020   reg:
0021     items:
0022       - description: PHY Control registers
0023       - description: PHY PMU1 registers
0024       - description: PHY PMU2 registers
0025
0026   reg-names:
0027     items:
0028       - const: phy_ctrl
0029       - const: pmu1
0030       - const: pmu2
0031
0032   clocks:
0033     items:
0034       - description: USB OTG PHY bus clock
0035       - description: USB Host 0 PHY bus clock
0036       - description: USB Host 1 PHY bus clock
0037
0038   clock-names:
0039     items:
0040       - const: usb0_phy
0041       - const: usb1_phy
0042       - const: usb2_phy
0043
0044   resets:
0045     items:
0046       - description: USB OTG reset
0047       - description: USB Host 1 Controller reset
0048       - description: USB Host 2 Controller reset
0049
0050   reset-names:
0051     items:
0052       - const: usb0_reset
0053       - const: usb1_reset
0054       - const: usb2_reset
0055
0056   usb0_id_det-gpios:
0057     maxItems: 1
0058     description: GPIO to the USB OTG ID pin
0059
0060   usb0_vbus_det-gpios:
0061     maxItems: 1
0062     description: GPIO to the USB OTG VBUS detect pin
0063
0064   usb0_vbus_power-supply:
0065     description: Power supply to detect the USB OTG VBUS
0066
0067   usb0_vbus-supply:
0068     description: Regulator controlling USB OTG VBUS
0069
0070   usb1_vbus-supply:
0071     description: Regulator controlling USB1 Host controller
0072
0073   usb2_vbus-supply:
0074     description: Regulator controlling USB2 Host controller
0075
0076 required:
0077   - "#phy-cells"
0078   - compatible
0079   - clocks
0080   - clock-names
0081   - reg
0082   - reg-names
0083   - resets
0084   - reset-names
0085
0086 additionalProperties: false
0087
0088 examples:
0089   - |
0090     #include <dt-bindings/gpio/gpio.h>
0091     #include <dt-bindings/clock/sun6i-a31-ccu.h>
0092     #include <dt-bindings/reset/sun6i-a31-ccu.h>
0093
0094     phy@1c19400 {
0095         #phy-cells = <1>;
0096         compatible = "allwinner,sun6i-a31-usb-phy";
0097         reg = <0x01c19400 0x10>,
0098               <0x01c1a800 0x4>,
0099               <0x01c1b800 0x4>;
0100         reg-names = "phy_ctrl",
0101                     "pmu1",
0102                     "pmu2";
0103         clocks = <&ccu CLK_USB_PHY0>,
0104                  <&ccu CLK_USB_PHY1>,
0105                  <&ccu CLK_USB_PHY2>;
0106         clock-names = "usb0_phy",
0107                       "usb1_phy",
0108                       "usb2_phy";
0109         resets = <&ccu RST_USB_PHY0>,
0110                  <&ccu RST_USB_PHY1>,
0111                  <&ccu RST_USB_PHY2>;
0112         reset-names = "usb0_reset",
0113                       "usb1_reset",
0114                       "usb2_reset";
0115         usb0_id_det-gpios = <&pio 0 15 GPIO_ACTIVE_HIGH>; /* PA15 */
0116         usb0_vbus_det-gpios = <&pio 0 16 GPIO_ACTIVE_HIGH>; /* PA16 */
0117         usb0_vbus_power-supply = <&usb_power_supply>;
0118         usb0_vbus-supply = <&reg_drivevbus>;
0119         usb1_vbus-supply = <&reg_usb1_vbus>;
0120         usb2_vbus-supply = <&reg_usb2_vbus>;
0121     };