# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/usb/chipidea,usb2-imx.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: NXP USB2 ChipIdea USB controller
maintainers:
- Xu Yang <[email protected]>
properties:
compatible:
oneOf:
- enum:
- fsl,imx27-usb
- items:
- enum:
- fsl,imx23-usb
- fsl,imx25-usb
- fsl,imx28-usb
- fsl,imx35-usb
- fsl,imx50-usb
- fsl,imx51-usb
- fsl,imx53-usb
- fsl,imx6q-usb
- fsl,imx6sl-usb
- fsl,imx6sx-usb
- fsl,imx6ul-usb
- fsl,imx7d-usb
- fsl,vf610-usb
- const: fsl,imx27-usb
- items:
- enum:
- fsl,imx8dxl-usb
- fsl,imx8ulp-usb
- const: fsl,imx7ulp-usb
- const: fsl,imx6ul-usb
- items:
- enum:
- fsl,imx8mm-usb
- fsl,imx8mn-usb
- fsl,imx93-usb
- const: fsl,imx7d-usb
- const: fsl,imx27-usb
- items:
- enum:
- fsl,imx6sll-usb
- fsl,imx7ulp-usb
- const: fsl,imx6ul-usb
- const: fsl,imx27-usb
reg:
maxItems: 1
interrupts:
maxItems: 1
clocks:
minItems: 1
maxItems: 3
clock-names:
minItems: 1
maxItems: 3
fsl,usbmisc:
description:
Phandler of non-core register device, with one argument that
indicate usb controller index
$ref: /schemas/types.yaml#/definitions/phandle-array
items:
- items:
- description: phandle to usbmisc node
- description: index of usb controller
disable-over-current:
type: boolean
description: disable over current detect
over-current-active-low:
type: boolean
description: over current signal polarity is active low
over-current-active-high:
type: boolean
description:
Over current signal polarity is active high. It's recommended to
specify the over current polarity.
power-active-high:
type: boolean
description: power signal polarity is active high
external-vbus-divider:
type: boolean
description: enables off-chip resistor divider for Vbus
samsung,picophy-pre-emp-curr-control:
description:
HS Transmitter Pre-Emphasis Current Control. This signal controls
the amount of current sourced to the USB_OTG*_DP and USB_OTG*_DN
pins after a J-to-K or K-to-J transition. The range is from 0x0 to
0x3, the default value is 0x1. Details can refer to TXPREEMPAMPTUNE0
bits of USBNC_n_PHY_CFG1.
$ref: /schemas/types.yaml#/definitions/uint32
minimum: 0x0
maximum: 0x3
samsung,picophy-dc-vol-level-adjust:
description:
HS DC Voltage Level Adjustment. Adjust the high-speed transmitter DC
level voltage. The range is from 0x0 to 0xf, the default value is
0x3. Details can refer to TXVREFTUNE0 bits of USBNC_n_PHY_CFG1.
$ref: /schemas/types.yaml#/definitions/uint32
minimum: 0x0
maximum: 0xf
fsl,picophy-rise-fall-time-adjust:
description:
HS Transmitter Rise/Fall Time Adjustment. Adjust the rise/fall times
of the high-speed transmitter waveform. It has no unit. The rise/fall
time will be increased or decreased by a certain percentage relative
to design default time. (0:-10%; 1:design default; 2:+15%; 3:+20%)
Details can refer to TXRISETUNE0 bit of USBNC_n_PHY_CFG1.
$ref: /schemas/types.yaml#/definitions/uint32
minimum: 0
maximum: 3
default: 1
fsl,usbphy:
description: phandle of usb phy that connects to the port. Use "phys" instead.
$ref: /schemas/types.yaml#/definitions/phandle
deprecated: true
required:
- compatible
allOf:
- $ref: chipidea,usb2-common.yaml#
- if:
properties:
phy_type:
const: hsic
required:
- phy_type
then:
properties:
pinctrl-names:
items:
- const: idle
- const: active
# imx27 Soc needs three clocks
- if:
properties:
compatible:
const: fsl,imx27-usb
then:
properties:
clocks:
minItems: 3
clock-names:
items:
- const: ipg
- const: ahb
- const: per
# imx25 and imx35 Soc need three clocks
- if:
properties:
compatible:
contains:
enum:
- fsl,imx25-usb
- fsl,imx35-usb
then:
properties:
clocks:
minItems: 3
clock-names:
items:
- const: ipg
- const: ahb
- const: per
# imx93 Soc needs two clocks
- if:
properties:
compatible:
contains:
enum:
- fsl,imx93-usb
then:
properties:
clocks:
minItems: 2
maxItems: 2
clock-names:
items:
- const: usb_ctrl_root
- const: usb_wakeup
# imx7d Soc need one clock
- if:
properties:
compatible:
items:
- const: fsl,imx7d-usb
- const: fsl,imx27-usb
then:
properties:
clocks:
maxItems: 1
clock-names: false
# other Soc need one clock
- if:
properties:
compatible:
contains:
enum:
- fsl,imx23-usb
- fsl,imx28-usb
- fsl,imx50-usb
- fsl,imx51-usb
- fsl,imx53-usb
- fsl,imx6q-usb
- fsl,imx6sl-usb
- fsl,imx6sx-usb
- fsl,imx6ul-usb
- fsl,imx8mm-usb
- fsl,imx8mn-usb
- fsl,vf610-usb
then:
properties:
clocks:
maxItems: 1
clock-names: false
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/clock/imx7d-clock.h>
usb@30b10000 {
compatible = "fsl,imx7d-usb", "fsl,imx27-usb";
reg = <0x30b10000 0x200>;
interrupts = <GIC_SPI 43 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&clks IMX7D_USB_CTRL_CLK>;
fsl,usbphy = <&usbphynop1>;
fsl,usbmisc = <&usbmisc1 0>;
phy-clkgate-delay-us = <400>;
};
# 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>;
};
};
...
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