104 lines
2.5 KiB
YAML
104 lines
2.5 KiB
YAML
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# 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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$id: http://devicetree.org/schemas/usb/ti,am62-usb.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: TI's AM62 wrapper module for the Synopsys USBSS-DRD controller
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maintainers:
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- Aswath Govindraju <a-govindraju@ti.com>
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properties:
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compatible:
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const: ti,am62-usb
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reg:
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maxItems: 1
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ranges: true
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power-domains:
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description:
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PM domain provider node and an args specifier containing
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the USB ISO device id value. See,
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Documentation/devicetree/bindings/soc/ti/sci-pm-domain.yaml
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maxItems: 1
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clocks:
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description: Clock phandle to usb2_refclk
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maxItems: 1
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clock-names:
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items:
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- const: ref
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ti,vbus-divider:
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description:
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Should be present if USB VBUS line is connected to the
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VBUS pin of the SoC via a 1/3 voltage divider.
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type: boolean
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ti,syscon-phy-pll-refclk:
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$ref: /schemas/types.yaml#/definitions/phandle-array
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items:
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- items:
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- description: Phandle to the SYSCON entry
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- description: USB phy control register offset within SYSCON
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description:
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Specifier for conveying frequency of ref clock input, for the
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operation of USB2PHY.
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'#address-cells':
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const: 2
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'#size-cells':
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const: 2
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patternProperties:
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"^usb@[0-9a-f]+$":
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$ref: snps,dwc3.yaml#
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description: Required child node
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required:
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- compatible
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- reg
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- power-domains
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- clocks
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- clock-names
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- ti,syscon-phy-pll-refclk
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/soc/ti,sci_pm_domain.h>
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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#include <dt-bindings/gpio/gpio.h>
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bus {
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#address-cells = <2>;
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#size-cells = <2>;
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usbss1: usb@f910000 {
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compatible = "ti,am62-usb";
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reg = <0x00 0x0f910000 0x00 0x800>;
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clocks = <&k3_clks 162 3>;
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clock-names = "ref";
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ti,syscon-phy-pll-refclk = <&wkup_conf 0x4018>;
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power-domains = <&k3_pds 179 TI_SCI_PD_EXCLUSIVE>;
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#address-cells = <2>;
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#size-cells = <2>;
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usb@31100000 {
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compatible = "snps,dwc3";
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reg =<0x00 0x31100000 0x00 0x50000>;
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interrupts = <GIC_SPI 226 IRQ_TYPE_LEVEL_HIGH>, /* irq.0 */
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<GIC_SPI 226 IRQ_TYPE_LEVEL_HIGH>; /* irq.0 */
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interrupt-names = "host", "peripheral";
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maximum-speed = "high-speed";
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dr_mode = "otg";
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};
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};
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};
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