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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 :
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maxItems : 1
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description : GPIO to the USB OTG ID pin
usb0_vbus_det-gpios :
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maxItems : 1
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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>
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usbphy : phy@1c13400 {
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#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>;
};