15aeb360e4
AM654 SoC requires USB3.0 PHY to be turned on before the USB controller. For this SoC, the 'phys' property is used to provide the USB3.0 reference. Signed-off-by: Roger Quadros <rogerq@ti.com> Signed-off-by: Felipe Balbi <balbi@kernel.org>
78 lines
1.9 KiB
YAML
78 lines
1.9 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/usb/ti,keystone-dwc3.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: TI Keystone Soc USB Controller
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maintainers:
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- Roger Quadros <rogerq@ti.com>
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properties:
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compatible:
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oneOf:
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- const: "ti,keystone-dwc3"
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- const: "ti,am654-dwc3"
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reg:
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maxItems: 1
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description: Address and length of the register set for the USB subsystem on
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the SOC.
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interrupts:
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maxItems: 1
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description: The irq number of this device that is used to interrupt the MPU.
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clocks:
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description: Clock ID for USB functional clock.
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power-domains:
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description: Should contain a phandle to a PM domain provider node
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and an args specifier containing the USB device id
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value. This property is as per the binding,
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Documentation/devicetree/bindings/soc/ti/sci-pm-domain.txt
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phys:
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description:
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PHY specifier for the USB3.0 PHY. Some SoCs need the USB3.0 PHY
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to be turned on before the controller.
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Documentation/devicetree/bindings/phy/phy-bindings.txt
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phy-names:
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items:
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- const: "usb3-phy"
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dwc3:
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description: This is the node representing the DWC3 controller instance
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Documentation/devicetree/bindings/usb/dwc3.txt
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required:
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- compatible
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- reg
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- interrupts
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- clocks
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examples:
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- |
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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usb: usb@2680000 {
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compatible = "ti,keystone-dwc3";
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#address-cells = <1>;
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#size-cells = <1>;
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reg = <0x2680000 0x10000>;
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clocks = <&clkusb>;
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clock-names = "usb";
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interrupts = <GIC_SPI 393 IRQ_TYPE_EDGE_RISING>;
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ranges;
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dwc3@2690000 {
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compatible = "synopsys,dwc3";
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reg = <0x2690000 0x70000>;
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interrupts = <GIC_SPI 393 IRQ_TYPE_EDGE_RISING>;
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usb-phy = <&usb_phy>, <&usb_phy>;
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};
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};
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