| # 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 <xu.yang_2@nxp.com> |
| |
| 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>; |
| }; |
| }; |
| |
| ... |
