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# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: "http://devicetree.org/schemas/usb/ti,j721e-usb.yaml#"
$schema: "http://devicetree.org/meta-schemas/core.yaml#"
title: Bindings for the TI wrapper module for the Cadence USBSS-DRD controller
maintainers:
- Roger Quadros <rogerq@kernel.org>
properties:
compatible:
oneOf:
- const: ti,j721e-usb
- const: ti,am64-usb
- items:
- const: ti,j721e-usb
- const: ti,am64-usb
reg:
maxItems: 1
ranges: true
power-domains:
description:
PM domain provider node and an args specifier containing
the USB device id value. See,
Documentation/devicetree/bindings/soc/ti/sci-pm-domain.yaml
maxItems: 1
clocks:
description: Clock phandles to usb2_refclk and lpm_clk
minItems: 2
maxItems: 2
clock-names:
items:
- const: ref
- const: lpm
ti,usb2-only:
description:
If present, it restricts the controller to USB2.0 mode of
operation. Must be present if USB3 PHY is not available
for USB.
type: boolean
ti,vbus-divider:
description:
Should be present if USB VBUS line is connected to the
VBUS pin of the SoC via a 1/3 voltage divider.
type: boolean
assigned-clocks:
maxItems: 1
assigned-clock-parents:
maxItems: 1
'#address-cells':
const: 2
'#size-cells':
const: 2
dma-coherent: true
patternProperties:
"^usb@":
type: object
required:
- compatible
- reg
- power-domains
- clocks
- clock-names
additionalProperties: false
examples:
- |
#include <dt-bindings/soc/ti,sci_pm_domain.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
bus {
#address-cells = <2>;
#size-cells = <2>;
cdns_usb@4104000 {
compatible = "ti,j721e-usb";
reg = <0x00 0x4104000 0x00 0x100>;
power-domains = <&k3_pds 288 TI_SCI_PD_EXCLUSIVE>;
clocks = <&k3_clks 288 15>, <&k3_clks 288 3>;
clock-names = "ref", "lpm";
assigned-clocks = <&k3_clks 288 15>; /* USB2_REFCLK */
assigned-clock-parents = <&k3_clks 288 16>; /* HFOSC0 */
#address-cells = <2>;
#size-cells = <2>;
usb@6000000 {
compatible = "cdns,usb3";
reg = <0x00 0x6000000 0x00 0x10000>,
<0x00 0x6010000 0x00 0x10000>,
<0x00 0x6020000 0x00 0x10000>;
reg-names = "otg", "xhci", "dev";
interrupts = <GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH>, /* irq.0 */
<GIC_SPI 102 IRQ_TYPE_LEVEL_HIGH>, /* irq.6 */
<GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>; /* otgirq.0 */
interrupt-names = "host",
"peripheral",
"otg";
maximum-speed = "super-speed";
dr_mode = "otg";
};
};
};
|
