| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/usb/ti,am62-usb.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: TI's AM62 wrapper module for the Synopsys USBSS-DRD controller |
| 8 | |
| 9 | maintainers: |
| 10 | - Aswath Govindraju <a-govindraju@ti.com> |
| 11 | |
| 12 | properties: |
| 13 | compatible: |
| 14 | const: ti,am62-usb |
| 15 | |
| 16 | reg: |
| 17 | maxItems: 1 |
| 18 | |
| 19 | ranges: true |
| 20 | |
| 21 | power-domains: |
| 22 | description: |
| 23 | PM domain provider node and an args specifier containing |
| 24 | the USB ISO device id value. See, |
| 25 | Documentation/devicetree/bindings/soc/ti/sci-pm-domain.yaml |
| 26 | maxItems: 1 |
| 27 | |
| 28 | clocks: |
| 29 | description: Clock phandle to usb2_refclk |
| 30 | maxItems: 1 |
| 31 | |
| 32 | clock-names: |
| 33 | items: |
| 34 | - const: ref |
| 35 | |
| 36 | ti,vbus-divider: |
| 37 | description: |
| 38 | Should be present if USB VBUS line is connected to the |
| 39 | VBUS pin of the SoC via a 1/3 voltage divider. |
| 40 | type: boolean |
| 41 | |
| 42 | ti,syscon-phy-pll-refclk: |
| 43 | $ref: /schemas/types.yaml#/definitions/phandle-array |
| 44 | items: |
| 45 | - items: |
| 46 | - description: Phandle to the SYSCON entry |
| 47 | - description: USB phy control register offset within SYSCON |
| 48 | description: |
| 49 | Specifier for conveying frequency of ref clock input, for the |
| 50 | operation of USB2PHY. |
| 51 | |
| 52 | '#address-cells': |
| 53 | const: 2 |
| 54 | |
| 55 | '#size-cells': |
| 56 | const: 2 |
| 57 | |
| 58 | patternProperties: |
| 59 | "^usb@[0-9a-f]+$": |
| 60 | $ref: snps,dwc3.yaml# |
| 61 | description: Required child node |
| 62 | |
| 63 | required: |
| 64 | - compatible |
| 65 | - reg |
| 66 | - power-domains |
| 67 | - clocks |
| 68 | - clock-names |
| 69 | - ti,syscon-phy-pll-refclk |
| 70 | |
| 71 | additionalProperties: false |
| 72 | |
| 73 | examples: |
| 74 | - | |
| 75 | #include <dt-bindings/soc/ti,sci_pm_domain.h> |
| 76 | #include <dt-bindings/interrupt-controller/arm-gic.h> |
| 77 | #include <dt-bindings/gpio/gpio.h> |
| 78 | |
| 79 | bus { |
| 80 | #address-cells = <2>; |
| 81 | #size-cells = <2>; |
| 82 | |
| 83 | usbss1: usb@f910000 { |
| 84 | compatible = "ti,am62-usb"; |
| 85 | reg = <0x00 0x0f910000 0x00 0x800>; |
| 86 | clocks = <&k3_clks 162 3>; |
| 87 | clock-names = "ref"; |
| 88 | ti,syscon-phy-pll-refclk = <&wkup_conf 0x4018>; |
| 89 | power-domains = <&k3_pds 179 TI_SCI_PD_EXCLUSIVE>; |
| 90 | #address-cells = <2>; |
| 91 | #size-cells = <2>; |
| 92 | |
| 93 | usb@31100000 { |
| 94 | compatible = "snps,dwc3"; |
| 95 | reg = <0x00 0x31100000 0x00 0x50000>; |
| 96 | interrupts = <GIC_SPI 226 IRQ_TYPE_LEVEL_HIGH>, /* irq.0 */ |
| 97 | <GIC_SPI 226 IRQ_TYPE_LEVEL_HIGH>; /* irq.0 */ |
| 98 | interrupt-names = "host", "peripheral"; |
| 99 | maximum-speed = "high-speed"; |
| 100 | dr_mode = "otg"; |
| 101 | }; |
| 102 | }; |
| 103 | }; |