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https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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54f30ae4a3
The i.MX95 USB2.0 controller is mostly compatible with i.MX7D, except it requires a second interrupt for wakeup handling. Add the compatible string for the i.MX95 platform, add the iommus property, and enforce the interrupt property restriction. Keep the same restriction for existing compatible strings. Reviewed-by: Rob Herring (Arm) <robh@kernel.org> Reviewed-by: Frank Li <Frank.Li@nxp.com> Signed-off-by: Xu Yang <xu.yang_2@nxp.com> Link: https://lore.kernel.org/r/20250318150908.1583652-1-xu.yang_2@nxp.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
310 lines
7.7 KiB
YAML
310 lines
7.7 KiB
YAML
# 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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$id: http://devicetree.org/schemas/usb/chipidea,usb2-imx.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: NXP USB2 ChipIdea USB controller
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maintainers:
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- Xu Yang <xu.yang_2@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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- fsl,imx27-usb
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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,imx35-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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- fsl,imx93-usb
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- fsl,imx95-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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reg:
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maxItems: 1
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interrupts:
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minItems: 1
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items:
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- description: USB controller interrupt or combine USB controller
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and wakeup interrupts.
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- description: Wakeup interrupt
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clocks:
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minItems: 1
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maxItems: 3
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clock-names:
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minItems: 1
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maxItems: 3
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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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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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$ref: /schemas/types.yaml#/definitions/uint32
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minimum: 0x0
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maximum: 0xf
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fsl,picophy-rise-fall-time-adjust:
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description:
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HS Transmitter Rise/Fall Time Adjustment. Adjust the rise/fall times
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of the high-speed transmitter waveform. It has no unit. The rise/fall
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time will be increased or decreased by a certain percentage relative
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to design default time. (0:-10%; 1:design default; 2:+15%; 3:+20%)
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Details can refer to TXRISETUNE0 bit of USBNC_n_PHY_CFG1.
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$ref: /schemas/types.yaml#/definitions/uint32
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minimum: 0
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maximum: 3
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default: 1
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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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required:
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- compatible
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allOf:
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- $ref: chipidea,usb2-common.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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# imx27 Soc needs three clocks
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- if:
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properties:
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compatible:
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const: fsl,imx27-usb
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then:
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properties:
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clocks:
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minItems: 3
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clock-names:
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items:
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- const: ipg
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- const: ahb
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- const: per
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# imx25 and imx35 Soc need three clocks
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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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- fsl,imx25-usb
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- fsl,imx35-usb
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then:
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properties:
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clocks:
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minItems: 3
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clock-names:
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items:
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- const: ipg
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- const: ahb
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- const: per
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# imx93 Soc needs two clocks
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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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- fsl,imx93-usb
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- fsl,imx95-usb
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then:
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properties:
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clocks:
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minItems: 2
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maxItems: 2
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clock-names:
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items:
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- const: usb_ctrl_root
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- const: usb_wakeup
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# imx7d Soc need one clock
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- if:
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properties:
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compatible:
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items:
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- const: fsl,imx7d-usb
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- const: fsl,imx27-usb
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then:
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properties:
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clocks:
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maxItems: 1
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clock-names: false
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# other Soc need one clock
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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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- fsl,imx23-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,imx8mm-usb
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- fsl,imx8mn-usb
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- fsl,vf610-usb
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then:
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properties:
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clocks:
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maxItems: 1
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clock-names: false
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# imx95 soc use two interrupts
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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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- fsl,imx95-usb
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then:
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properties:
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interrupts:
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minItems: 2
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else:
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properties:
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interrupts:
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maxItems: 1
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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/imx7d-clock.h>
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usb@30b10000 {
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compatible = "fsl,imx7d-usb", "fsl,imx27-usb";
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reg = <0x30b10000 0x200>;
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interrupts = <GIC_SPI 43 IRQ_TYPE_LEVEL_HIGH>;
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clocks = <&clks IMX7D_USB_CTRL_CLK>;
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fsl,usbphy = <&usbphynop1>;
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fsl,usbmisc = <&usbmisc1 0>;
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phy-clkgate-delay-us = <400>;
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};
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# Example for HSIC:
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- |
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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#include <dt-bindings/clock/imx6qdl-clock.h>
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usb@2184400 {
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compatible = "fsl,imx6q-usb", "fsl,imx27-usb";
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reg = <0x02184400 0x200>;
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interrupts = <0 41 IRQ_TYPE_LEVEL_HIGH>;
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clocks = <&clks IMX6QDL_CLK_USBOH3>;
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fsl,usbphy = <&usbphynop1>;
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fsl,usbmisc = <&usbmisc 2>;
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phy_type = "hsic";
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dr_mode = "host";
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ahb-burst-config = <0x0>;
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tx-burst-size-dword = <0x10>;
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rx-burst-size-dword = <0x10>;
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pinctrl-names = "idle", "active";
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pinctrl-0 = <&pinctrl_usbh2_idle>;
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pinctrl-1 = <&pinctrl_usbh2_active>;
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#address-cells = <1>;
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#size-cells = <0>;
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ethernet@1 {
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compatible = "usb424,9730";
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reg = <1>;
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};
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};
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...
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