451 lines
13 KiB
YAML
451 lines
13 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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$id: http://devicetree.org/schemas/usb/ci-hdrc-usb2.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: USB2 ChipIdea USB controller
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maintainers:
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- Xu Yang <xu.yang_2@nxp.com>
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- Peng Fan <peng.fan@nxp.com>
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properties:
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compatible:
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oneOf:
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- enum:
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- chipidea,usb2
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- lsi,zevio-usb
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- nvidia,tegra20-ehci
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- nvidia,tegra20-udc
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- nvidia,tegra30-ehci
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- nvidia,tegra30-udc
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- nvidia,tegra114-udc
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- nvidia,tegra124-udc
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- qcom,ci-hdrc
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- items:
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- enum:
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- nvidia,tegra114-ehci
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- nvidia,tegra124-ehci
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- nvidia,tegra210-ehci
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- const: nvidia,tegra30-ehci
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- items:
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- enum:
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- fsl,imx23-usb
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- fsl,imx25-usb
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- fsl,imx28-usb
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- fsl,imx50-usb
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- fsl,imx51-usb
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- fsl,imx53-usb
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- fsl,imx6q-usb
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- fsl,imx6sl-usb
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- fsl,imx6sx-usb
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- fsl,imx6ul-usb
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- fsl,imx7d-usb
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- fsl,vf610-usb
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- const: fsl,imx27-usb
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- items:
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- enum:
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- fsl,imx8dxl-usb
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- fsl,imx8ulp-usb
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- const: fsl,imx7ulp-usb
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- const: fsl,imx6ul-usb
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- items:
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- enum:
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- fsl,imx8mm-usb
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- fsl,imx8mn-usb
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- const: fsl,imx7d-usb
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- const: fsl,imx27-usb
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- items:
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- enum:
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- fsl,imx6sll-usb
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- fsl,imx7ulp-usb
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- const: fsl,imx6ul-usb
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- const: fsl,imx27-usb
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- items:
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- const: xlnx,zynq-usb-2.20a
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- const: chipidea,usb2
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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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minItems: 1
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maxItems: 2
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clocks:
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minItems: 1
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maxItems: 2
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clock-names:
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minItems: 1
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maxItems: 2
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dr_mode: true
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power-domains:
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maxItems: 1
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resets:
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maxItems: 1
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reset-names:
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maxItems: 1
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"#reset-cells":
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const: 1
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phy_type: true
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itc-setting:
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description:
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interrupt threshold control register control, the setting should be
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aligned with ITC bits at register USBCMD.
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$ref: /schemas/types.yaml#/definitions/uint32
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ahb-burst-config:
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description:
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it is vendor dependent, the required value should be aligned with
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AHBBRST at SBUSCFG, the range is from 0x0 to 0x7. This property is
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used to change AHB burst configuration, check the chipidea spec for
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meaning of each value. If this property is not existed, it will use
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the reset value.
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$ref: /schemas/types.yaml#/definitions/uint32
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minimum: 0x0
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maximum: 0x7
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tx-burst-size-dword:
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description:
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it is vendor dependent, the tx burst size in dword (4 bytes), This
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register represents the maximum length of a the burst in 32-bit
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words while moving data from system memory to the USB bus, the value
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of this property will only take effect if property "ahb-burst-config"
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is set to 0, if this property is missing the reset default of the
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hardware implementation will be used.
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$ref: /schemas/types.yaml#/definitions/uint32
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minimum: 0x0
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maximum: 0x20
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rx-burst-size-dword:
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description:
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it is vendor dependent, the rx burst size in dword (4 bytes), This
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register represents the maximum length of a the burst in 32-bit words
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while moving data from the USB bus to system memory, the value of
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this property will only take effect if property "ahb-burst-config"
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is set to 0, if this property is missing the reset default of the
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hardware implementation will be used.
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$ref: /schemas/types.yaml#/definitions/uint32
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minimum: 0x0
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maximum: 0x20
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extcon:
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description:
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Phandles to external connector devices. First phandle should point
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to external connector, which provide "USB" cable events, the second
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should point to external connector device, which provide "USB-HOST"
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cable events. If one of the external connector devices is not
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required, empty <0> phandle should be specified.
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$ref: /schemas/types.yaml#/definitions/phandle-array
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minItems: 1
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items:
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- description: vbus extcon
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- description: id extcon
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phy-clkgate-delay-us:
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description:
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The delay time (us) between putting the PHY into low power mode and
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gating the PHY clock.
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non-zero-ttctrl-ttha:
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description:
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After setting this property, the value of register ttctrl.ttha
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will be 0x7f; if not, the value will be 0x0, this is the default
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value. It needs to be very carefully for setting this property, it
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is recommended that consult with your IC engineer before setting
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this value. On the most of chipidea platforms, the "usage_tt" flag
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at RTL is 0, so this property only affects siTD.
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If this property is not set, the max packet size is 1023 bytes, and
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if the total of packet size for pervious transactions are more than
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256 bytes, it can't accept any transactions within this frame. The
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use case is single transaction, but higher frame rate.
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If this property is set, the max packet size is 188 bytes, it can
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handle more transactions than above case, it can accept transactions
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until it considers the left room size within frame is less than 188
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bytes, software needs to make sure it does not send more than 90%
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maximum_periodic_data_per_frame. The use case is multiple
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transactions, but less frame rate.
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type: boolean
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mux-controls:
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description:
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The mux control for toggling host/device output of this controller.
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It's expected that a mux state of 0 indicates device mode and a mux
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state of 1 indicates host mode.
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maxItems: 1
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mux-control-names:
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const: usb_switch
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operating-points-v2:
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description: A phandle to the OPP table containing the performance states.
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$ref: /schemas/types.yaml#/definitions/phandle
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pinctrl-names:
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description:
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Names for optional pin modes in "default", "host", "device".
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In case of HSIC-mode, "idle" and "active" pin modes are mandatory.
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In this case, the "idle" state needs to pull down the data and
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strobe pin and the "active" state needs to pull up the strobe pin.
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oneOf:
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- items:
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- const: idle
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- const: active
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- items:
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- const: default
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- enum:
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- host
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- device
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- items:
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- const: default
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pinctrl-0:
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maxItems: 1
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pinctrl-1:
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maxItems: 1
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phys:
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maxItems: 1
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phy-names:
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const: usb-phy
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phy-select:
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description:
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Phandler of TCSR node with two argument that indicate register
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offset, and phy index
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$ref: /schemas/types.yaml#/definitions/phandle-array
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items:
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- description: phandle to TCSR node
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- description: register offset
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- description: phy index
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vbus-supply:
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description: reference to the VBUS regulator.
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fsl,usbmisc:
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description:
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Phandler of non-core register device, with one argument that
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indicate usb controller index
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$ref: /schemas/types.yaml#/definitions/phandle-array
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items:
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- items:
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- description: phandle to usbmisc node
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- description: index of usb controller
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fsl,anatop:
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description: phandle for the anatop node.
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$ref: /schemas/types.yaml#/definitions/phandle
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disable-over-current:
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type: boolean
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description: disable over current detect
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over-current-active-low:
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type: boolean
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description: over current signal polarity is active low
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over-current-active-high:
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type: boolean
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description:
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Over current signal polarity is active high. It's recommended to
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specify the over current polarity.
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power-active-high:
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type: boolean
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description: power signal polarity is active high
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external-vbus-divider:
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type: boolean
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description: enables off-chip resistor divider for Vbus
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samsung,picophy-pre-emp-curr-control:
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description:
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HS Transmitter Pre-Emphasis Current Control. This signal controls
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the amount of current sourced to the USB_OTG*_DP and USB_OTG*_DN
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pins after a J-to-K or K-to-J transition. The range is from 0x0 to
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0x3, the default value is 0x1. Details can refer to TXPREEMPAMPTUNE0
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bits of USBNC_n_PHY_CFG1.
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$ref: /schemas/types.yaml#/definitions/uint32
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minimum: 0x0
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maximum: 0x3
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samsung,picophy-dc-vol-level-adjust:
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description:
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HS DC Voltage Level Adjustment. Adjust the high-speed transmitter DC
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level voltage. The range is from 0x0 to 0xf, the default value is
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0x3. Details can refer to TXVREFTUNE0 bits of USBNC_n_PHY_CFG1.
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$ref: /schemas/types.yaml#/definitions/uint32
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minimum: 0x0
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maximum: 0xf
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usb-phy:
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description: phandle for the PHY device. Use "phys" instead.
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$ref: /schemas/types.yaml#/definitions/phandle
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deprecated: true
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fsl,usbphy:
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description: phandle of usb phy that connects to the port. Use "phys" instead.
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$ref: /schemas/types.yaml#/definitions/phandle
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deprecated: true
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nvidia,phy:
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description: phandle of usb phy that connects to the port. Use "phys" instead.
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$ref: /schemas/types.yaml#/definitions/phandle
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deprecated: true
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nvidia,needs-double-reset:
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description: Indicates double reset or not.
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type: boolean
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deprecated: true
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port:
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description:
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Any connector to the data bus of this controller should be modelled
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using the OF graph bindings specified, if the "usb-role-switch"
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property is used.
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$ref: /schemas/graph.yaml#/properties/port
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reset-gpios:
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maxItems: 1
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ulpi:
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type: object
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additionalProperties: false
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patternProperties:
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"^phy(-[0-9])?$":
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description: The phy child node for Qcom chips.
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type: object
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$ref: /schemas/phy/qcom,usb-hs-phy.yaml
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dependencies:
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port: [ usb-role-switch ]
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mux-controls: [ mux-control-names ]
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required:
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- compatible
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- reg
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- interrupts
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allOf:
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- $ref: usb-hcd.yaml#
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- $ref: usb-drd.yaml#
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- if:
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properties:
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phy_type:
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const: hsic
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required:
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- phy_type
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then:
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properties:
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pinctrl-names:
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items:
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- const: idle
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- const: active
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else:
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properties:
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pinctrl-names:
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minItems: 1
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maxItems: 2
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oneOf:
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- items:
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- const: default
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- enum:
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- host
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- device
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- items:
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- const: default
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- if:
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properties:
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compatible:
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contains:
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enum:
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- chipidea,usb2
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- lsi,zevio-usb
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- nvidia,tegra20-udc
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- nvidia,tegra30-udc
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- nvidia,tegra114-udc
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- nvidia,tegra124-udc
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||
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- qcom,ci-hdrc
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||
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- xlnx,zynq-usb-2.20a
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||
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then:
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properties:
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fsl,usbmisc: false
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disable-over-current: false
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over-current-active-low: false
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over-current-active-high: false
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power-active-high: false
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external-vbus-divider: false
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samsung,picophy-pre-emp-curr-control: false
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samsung,picophy-dc-vol-level-adjust: false
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unevaluatedProperties: false
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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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#include <dt-bindings/clock/berlin2.h>
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usb@f7ed0000 {
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compatible = "chipidea,usb2";
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reg = <0xf7ed0000 0x10000>;
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||
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interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>;
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||
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clocks = <&chip CLKID_USB0>;
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||
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phys = <&usb_phy0>;
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||
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phy-names = "usb-phy";
|
||
|
|
vbus-supply = <®_usb0_vbus>;
|
||
|
|
itc-setting = <0x4>; /* 4 micro-frames */
|
||
|
|
/* Incremental burst of unspecified length */
|
||
|
|
ahb-burst-config = <0x0>;
|
||
|
|
tx-burst-size-dword = <0x10>; /* 64 bytes */
|
||
|
|
rx-burst-size-dword = <0x10>;
|
||
|
|
extcon = <0>, <&usb_id>;
|
||
|
|
phy-clkgate-delay-us = <400>;
|
||
|
|
mux-controls = <&usb_switch>;
|
||
|
|
mux-control-names = "usb_switch";
|
||
|
|
};
|
||
|
|
|
||
|
|
# Example for HSIC:
|
||
|
|
- |
|
||
|
|
#include <dt-bindings/interrupt-controller/arm-gic.h>
|
||
|
|
#include <dt-bindings/clock/imx6qdl-clock.h>
|
||
|
|
|
||
|
|
usb@2184400 {
|
||
|
|
compatible = "fsl,imx6q-usb", "fsl,imx27-usb";
|
||
|
|
reg = <0x02184400 0x200>;
|
||
|
|
interrupts = <0 41 IRQ_TYPE_LEVEL_HIGH>;
|
||
|
|
clocks = <&clks IMX6QDL_CLK_USBOH3>;
|
||
|
|
fsl,usbphy = <&usbphynop1>;
|
||
|
|
fsl,usbmisc = <&usbmisc 2>;
|
||
|
|
phy_type = "hsic";
|
||
|
|
dr_mode = "host";
|
||
|
|
ahb-burst-config = <0x0>;
|
||
|
|
tx-burst-size-dword = <0x10>;
|
||
|
|
rx-burst-size-dword = <0x10>;
|
||
|
|
pinctrl-names = "idle", "active";
|
||
|
|
pinctrl-0 = <&pinctrl_usbh2_idle>;
|
||
|
|
pinctrl-1 = <&pinctrl_usbh2_active>;
|
||
|
|
#address-cells = <1>;
|
||
|
|
#size-cells = <0>;
|
||
|
|
|
||
|
|
ethernet@1 {
|
||
|
|
compatible = "usb424,9730";
|
||
|
|
reg = <1>;
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
...
|