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# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/phy/allwinner,sun4i-a10-usb-phy.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Allwinner A10 USB PHY Device Tree Bindings
maintainers:
- Chen-Yu Tsai <wens@csie.org>
- Maxime Ripard <mripard@kernel.org>
properties:
"#phy-cells":
const: 1
compatible:
enum:
- allwinner,sun4i-a10-usb-phy
- allwinner,sun7i-a20-usb-phy
reg:
items:
- description: PHY Control registers
- description: PHY PMU1 registers
- description: PHY PMU2 registers
reg-names:
items:
- const: phy_ctrl
- const: pmu1
- const: pmu2
clocks:
maxItems: 1
description: USB PHY bus clock
clock-names:
const: usb_phy
resets:
items:
- description: USB OTG reset
- description: USB Host 1 Controller reset
- description: USB Host 2 Controller reset
reset-names:
items:
- const: usb0_reset
- const: usb1_reset
- const: usb2_reset
usb0_id_det-gpios:
maxItems: 1
description: GPIO to the USB OTG ID pin
usb0_vbus_det-gpios:
maxItems: 1
description: GPIO to the USB OTG VBUS detect pin
usb0_vbus_power-supply:
description: Power supply to detect the USB OTG VBUS
usb0_vbus-supply:
description: Regulator controlling USB OTG VBUS
usb1_vbus-supply:
description: Regulator controlling USB1 Host controller
usb2_vbus-supply:
description: Regulator controlling USB2 Host controller
required:
- "#phy-cells"
- compatible
- clocks
- clock-names
- reg
- reg-names
- resets
- reset-names
additionalProperties: false
examples:
- |
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/clock/sun4i-a10-ccu.h>
#include <dt-bindings/reset/sun4i-a10-ccu.h>
usbphy: phy@1c13400 {
#phy-cells = <1>;
compatible = "allwinner,sun4i-a10-usb-phy";
reg = <0x01c13400 0x10>, <0x01c14800 0x4>, <0x01c1c800 0x4>;
reg-names = "phy_ctrl", "pmu1", "pmu2";
clocks = <&ccu CLK_USB_PHY>;
clock-names = "usb_phy";
resets = <&ccu RST_USB_PHY0>,
<&ccu RST_USB_PHY1>,
<&ccu RST_USB_PHY2>;
reset-names = "usb0_reset", "usb1_reset", "usb2_reset";
usb0_id_det-gpios = <&pio 7 19 GPIO_ACTIVE_HIGH>;
usb0_vbus_det-gpios = <&pio 7 22 GPIO_ACTIVE_HIGH>;
usb0_vbus-supply = <®_usb0_vbus>;
usb1_vbus-supply = <®_usb1_vbus>;
usb2_vbus-supply = <®_usb2_vbus>;
};
|
