2023-08-30 17:31:07 +02:00
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# SPDX-License-Identifier: GPL-2.0
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/usb/generic-ehci.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: USB EHCI Controller
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maintainers:
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- Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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allOf:
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2023-10-24 12:59:35 +02:00
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- $ref: usb-hcd.yaml
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2023-08-30 17:31:07 +02:00
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- if:
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properties:
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compatible:
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not:
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contains:
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const: ibm,usb-ehci-440epx
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then:
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properties:
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reg:
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maxItems: 1
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properties:
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compatible:
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oneOf:
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- items:
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- enum:
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- allwinner,sun4i-a10-ehci
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- allwinner,sun50i-a64-ehci
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- allwinner,sun50i-h6-ehci
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- allwinner,sun50i-h616-ehci
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- allwinner,sun5i-a13-ehci
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- allwinner,sun6i-a31-ehci
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- allwinner,sun7i-a20-ehci
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- allwinner,sun8i-a23-ehci
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- allwinner,sun8i-a83t-ehci
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- allwinner,sun8i-h3-ehci
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- allwinner,sun8i-r40-ehci
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- allwinner,sun9i-a80-ehci
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- allwinner,sun20i-d1-ehci
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- aspeed,ast2400-ehci
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- aspeed,ast2500-ehci
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- aspeed,ast2600-ehci
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- brcm,bcm3384-ehci
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- brcm,bcm63268-ehci
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- brcm,bcm6328-ehci
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- brcm,bcm6358-ehci
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- brcm,bcm6362-ehci
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- brcm,bcm6368-ehci
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- brcm,bcm7125-ehci
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- brcm,bcm7346-ehci
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- brcm,bcm7358-ehci
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- brcm,bcm7360-ehci
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- brcm,bcm7362-ehci
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- brcm,bcm7420-ehci
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- brcm,bcm7425-ehci
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- brcm,bcm7435-ehci
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- hpe,gxp-ehci
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- ibm,476gtr-ehci
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- nxp,lpc1850-ehci
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- qca,ar7100-ehci
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2023-10-24 12:59:35 +02:00
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- rockchip,rk3588-ehci
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2023-08-30 17:31:07 +02:00
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- snps,hsdk-v1.0-ehci
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- socionext,uniphier-ehci
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- const: generic-ehci
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- items:
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- enum:
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- cavium,octeon-6335-ehci
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- ibm,usb-ehci-440epx
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- ibm,usb-ehci-460ex
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- nintendo,hollywood-usb-ehci
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- st,spear600-ehci
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- const: usb-ehci
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- enum:
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- generic-ehci
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- marvell,armada-3700-ehci
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- marvell,orion-ehci
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- nuvoton,npcm750-ehci
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- nuvoton,npcm845-ehci
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- ti,ehci-omap
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- usb-ehci
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reg:
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minItems: 1
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maxItems: 2
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interrupts:
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maxItems: 1
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resets:
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minItems: 1
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maxItems: 4
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clocks:
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minItems: 1
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maxItems: 4
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description: |
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In case the Renesas R-Car Gen3 SoCs:
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- if a host only channel: first clock should be host.
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- if a USB DRD channel: first clock should be host and second
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one should be peripheral
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power-domains:
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maxItems: 1
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big-endian:
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$ref: /schemas/types.yaml#/definitions/flag
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description:
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Set this flag for HCDs with big endian descriptors and big
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endian registers.
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big-endian-desc:
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$ref: /schemas/types.yaml#/definitions/flag
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description:
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Set this flag for HCDs with big endian descriptors.
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big-endian-regs:
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$ref: /schemas/types.yaml#/definitions/flag
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description:
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Set this flag for HCDs with big endian registers.
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has-transaction-translator:
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$ref: /schemas/types.yaml#/definitions/flag
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description:
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Set this flag if EHCI has a Transaction Translator built into
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the root hub.
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needs-reset-on-resume:
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$ref: /schemas/types.yaml#/definitions/flag
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description:
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Set this flag to force EHCI reset after resume.
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spurious-oc:
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$ref: /schemas/types.yaml#/definitions/flag
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description:
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Set this flag to indicate that the hardware sometimes turns on
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the OC bit when an over-current isn't actually present.
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phys:
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minItems: 1
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maxItems: 3
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phy-names:
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const: usb
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iommus:
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maxItems: 1
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dr_mode:
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enum:
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- host
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- otg
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required:
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- compatible
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- reg
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- interrupts
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unevaluatedProperties: false
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examples:
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- |
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usb@e0000300 {
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compatible = "ibm,usb-ehci-440epx", "usb-ehci";
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interrupt-parent = <&UIC0>;
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interrupts = <0x1a 4>;
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reg = <0xe0000300 90>, <0xe0000390 70>;
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big-endian;
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};
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- |
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ehci0: usb@1c14000 {
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compatible = "allwinner,sun4i-a10-ehci", "generic-ehci";
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reg = <0x01c14000 0x100>;
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interrupts = <39>;
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clocks = <&ahb_gates 1>;
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phys = <&usbphy 1>;
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phy-names = "usb";
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};
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...
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