new file mode 100644
@@ -0,0 +1,200 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/usb/chipidea,usb2-common.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: USB2 ChipIdea USB controller Common Properties
+
+maintainers:
+ - Xu Yang <xu.yang_2@nxp.com>
+
+properties:
+ reg:
+ minItems: 1
+ maxItems: 2
+
+ interrupts:
+ minItems: 1
+ maxItems: 2
+
+ clocks:
+ minItems: 1
+ maxItems: 3
+
+ clock-names:
+ minItems: 1
+ maxItems: 3
+
+ dr_mode: true
+
+ power-domains:
+ maxItems: 1
+
+ resets:
+ maxItems: 1
+
+ reset-names:
+ maxItems: 1
+
+ "#reset-cells":
+ const: 1
+
+ phy_type: true
+
+ itc-setting:
+ description:
+ interrupt threshold control register control, the setting should be
+ aligned with ITC bits at register USBCMD.
+ $ref: /schemas/types.yaml#/definitions/uint32
+
+ ahb-burst-config:
+ description:
+ it is vendor dependent, the required value should be aligned with
+ AHBBRST at SBUSCFG, the range is from 0x0 to 0x7. This property is
+ used to change AHB burst configuration, check the chipidea spec for
+ meaning of each value. If this property is not existed, it will use
+ the reset value.
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0x0
+ maximum: 0x7
+
+ tx-burst-size-dword:
+ description:
+ it is vendor dependent, the tx burst size in dword (4 bytes), This
+ register represents the maximum length of a the burst in 32-bit
+ words while moving data from system memory to the USB bus, the value
+ of this property will only take effect if property "ahb-burst-config"
+ is set to 0, if this property is missing the reset default of the
+ hardware implementation will be used.
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0x0
+ maximum: 0x20
+
+ rx-burst-size-dword:
+ description:
+ it is vendor dependent, the rx burst size in dword (4 bytes), This
+ register represents the maximum length of a the burst in 32-bit words
+ while moving data from the USB bus to system memory, the value of
+ this property will only take effect if property "ahb-burst-config"
+ is set to 0, if this property is missing the reset default of the
+ hardware implementation will be used.
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0x0
+ maximum: 0x20
+
+ extcon:
+ description:
+ Phandles to external connector devices. First phandle should point
+ to external connector, which provide "USB" cable events, the second
+ should point to external connector device, which provide "USB-HOST"
+ cable events. If one of the external connector devices is not
+ required, empty <0> phandle should be specified.
+ $ref: /schemas/types.yaml#/definitions/phandle-array
+ minItems: 1
+ items:
+ - description: vbus extcon
+ - description: id extcon
+
+ phy-clkgate-delay-us:
+ description:
+ The delay time (us) between putting the PHY into low power mode and
+ gating the PHY clock.
+
+ non-zero-ttctrl-ttha:
+ description:
+ After setting this property, the value of register ttctrl.ttha
+ will be 0x7f; if not, the value will be 0x0, this is the default
+ value. It needs to be very carefully for setting this property, it
+ is recommended that consult with your IC engineer before setting
+ this value. On the most of chipidea platforms, the "usage_tt" flag
+ at RTL is 0, so this property only affects siTD.
+
+ If this property is not set, the max packet size is 1023 bytes, and
+ if the total of packet size for previous transactions are more than
+ 256 bytes, it can't accept any transactions within this frame. The
+ use case is single transaction, but higher frame rate.
+
+ If this property is set, the max packet size is 188 bytes, it can
+ handle more transactions than above case, it can accept transactions
+ until it considers the left room size within frame is less than 188
+ bytes, software needs to make sure it does not send more than 90%
+ maximum_periodic_data_per_frame. The use case is multiple
+ transactions, but less frame rate.
+ type: boolean
+
+ mux-controls:
+ description:
+ The mux control for toggling host/device output of this controller.
+ It's expected that a mux state of 0 indicates device mode and a mux
+ state of 1 indicates host mode.
+ maxItems: 1
+
+ mux-control-names:
+ const: usb_switch
+
+ pinctrl-names:
+ description:
+ Names for optional pin modes in "default", "host", "device".
+ In case of HSIC-mode, "idle" and "active" pin modes are mandatory.
+ In this case, the "idle" state needs to pull down the data and
+ strobe pin and the "active" state needs to pull up the strobe pin.
+ oneOf:
+ - items:
+ - const: idle
+ - const: active
+ - items:
+ - const: default
+ - const: host
+ - const: device
+ - items:
+ - const: default
+ - enum:
+ - host
+ - device
+ - items:
+ - const: default
+
+ pinctrl-0:
+ maxItems: 1
+
+ pinctrl-1:
+ maxItems: 1
+
+ phys:
+ maxItems: 1
+
+ phy-names:
+ const: usb-phy
+
+ vbus-supply:
+ description: reference to the VBUS regulator.
+
+ usb-phy:
+ description: phandle for the PHY device. Use "phys" instead.
+ maxItems: 1
+ deprecated: true
+
+ port:
+ description:
+ Any connector to the data bus of this controller should be modelled
+ using the OF graph bindings specified, if the "usb-role-switch"
+ property is used.
+ $ref: /schemas/graph.yaml#/properties/port
+
+ reset-gpios:
+ maxItems: 1
+
+dependencies:
+ port: [ usb-role-switch ]
+ mux-controls: [ mux-control-names ]
+
+required:
+ - reg
+ - interrupts
+
+allOf:
+ - $ref: usb-hcd.yaml#
+ - $ref: usb-drd.yaml#
+
+additionalProperties: true
new file mode 100644
@@ -0,0 +1,193 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$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
+ - const: fsl,imx7d-usb
+ - const: fsl,imx27-usb
+ - items:
+ - enum:
+ - fsl,imx6sll-usb
+ - fsl,imx7ulp-usb
+ - const: fsl,imx6ul-usb
+ - const: fsl,imx27-usb
+
+ 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
+
+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>;
+ };
+ };
+
+...
@@ -15,7 +15,6 @@ properties:
oneOf:
- enum:
- chipidea,usb2
- - fsl,imx27-usb
- lsi,zevio-usb
- nuvoton,npcm750-udc
- nvidia,tegra20-ehci
@@ -31,40 +30,6 @@ properties:
- nvidia,tegra124-ehci
- nvidia,tegra210-ehci
- const: nvidia,tegra30-ehci
- - 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
- - const: fsl,imx7d-usb
- - const: fsl,imx27-usb
- - items:
- - enum:
- - fsl,imx6sll-usb
- - fsl,imx7ulp-usb
- - const: fsl,imx6ul-usb
- - const: fsl,imx27-usb
- items:
- const: xlnx,zynq-usb-2.20a
- const: chipidea,usb2
@@ -73,163 +38,18 @@ properties:
- nuvoton,npcm845-udc
- const: nuvoton,npcm750-udc
- reg:
- minItems: 1
- maxItems: 2
-
- interrupts:
- minItems: 1
- maxItems: 2
-
clocks:
minItems: 1
- maxItems: 3
+ maxItems: 2
clock-names:
minItems: 1
- maxItems: 3
-
- dr_mode: true
-
- power-domains:
- maxItems: 1
-
- resets:
- maxItems: 1
-
- reset-names:
- maxItems: 1
-
- "#reset-cells":
- const: 1
-
- phy_type: true
-
- itc-setting:
- description:
- interrupt threshold control register control, the setting should be
- aligned with ITC bits at register USBCMD.
- $ref: /schemas/types.yaml#/definitions/uint32
-
- ahb-burst-config:
- description:
- it is vendor dependent, the required value should be aligned with
- AHBBRST at SBUSCFG, the range is from 0x0 to 0x7. This property is
- used to change AHB burst configuration, check the chipidea spec for
- meaning of each value. If this property is not existed, it will use
- the reset value.
- $ref: /schemas/types.yaml#/definitions/uint32
- minimum: 0x0
- maximum: 0x7
-
- tx-burst-size-dword:
- description:
- it is vendor dependent, the tx burst size in dword (4 bytes), This
- register represents the maximum length of a the burst in 32-bit
- words while moving data from system memory to the USB bus, the value
- of this property will only take effect if property "ahb-burst-config"
- is set to 0, if this property is missing the reset default of the
- hardware implementation will be used.
- $ref: /schemas/types.yaml#/definitions/uint32
- minimum: 0x0
- maximum: 0x20
-
- rx-burst-size-dword:
- description:
- it is vendor dependent, the rx burst size in dword (4 bytes), This
- register represents the maximum length of a the burst in 32-bit words
- while moving data from the USB bus to system memory, the value of
- this property will only take effect if property "ahb-burst-config"
- is set to 0, if this property is missing the reset default of the
- hardware implementation will be used.
- $ref: /schemas/types.yaml#/definitions/uint32
- minimum: 0x0
- maximum: 0x20
-
- extcon:
- description:
- Phandles to external connector devices. First phandle should point
- to external connector, which provide "USB" cable events, the second
- should point to external connector device, which provide "USB-HOST"
- cable events. If one of the external connector devices is not
- required, empty <0> phandle should be specified.
- $ref: /schemas/types.yaml#/definitions/phandle-array
- minItems: 1
- items:
- - description: vbus extcon
- - description: id extcon
-
- phy-clkgate-delay-us:
- description:
- The delay time (us) between putting the PHY into low power mode and
- gating the PHY clock.
-
- non-zero-ttctrl-ttha:
- description:
- After setting this property, the value of register ttctrl.ttha
- will be 0x7f; if not, the value will be 0x0, this is the default
- value. It needs to be very carefully for setting this property, it
- is recommended that consult with your IC engineer before setting
- this value. On the most of chipidea platforms, the "usage_tt" flag
- at RTL is 0, so this property only affects siTD.
-
- If this property is not set, the max packet size is 1023 bytes, and
- if the total of packet size for previous transactions are more than
- 256 bytes, it can't accept any transactions within this frame. The
- use case is single transaction, but higher frame rate.
-
- If this property is set, the max packet size is 188 bytes, it can
- handle more transactions than above case, it can accept transactions
- until it considers the left room size within frame is less than 188
- bytes, software needs to make sure it does not send more than 90%
- maximum_periodic_data_per_frame. The use case is multiple
- transactions, but less frame rate.
- type: boolean
-
- mux-controls:
- description:
- The mux control for toggling host/device output of this controller.
- It's expected that a mux state of 0 indicates device mode and a mux
- state of 1 indicates host mode.
- maxItems: 1
-
- mux-control-names:
- const: usb_switch
+ maxItems: 2
operating-points-v2:
description: A phandle to the OPP table containing the performance states.
$ref: /schemas/types.yaml#/definitions/phandle
- pinctrl-names:
- description:
- Names for optional pin modes in "default", "host", "device".
- In case of HSIC-mode, "idle" and "active" pin modes are mandatory.
- In this case, the "idle" state needs to pull down the data and
- strobe pin and the "active" state needs to pull up the strobe pin.
- oneOf:
- - items:
- - const: idle
- - const: active
- - items:
- - const: default
- - enum:
- - host
- - device
- - items:
- - const: default
-
- pinctrl-0:
- maxItems: 1
-
- pinctrl-1:
- maxItems: 1
-
- phys:
- maxItems: 1
-
- phy-names:
- const: usb-phy
-
phy-select:
description:
Phandler of TCSR node with two argument that indicate register
@@ -240,87 +60,6 @@ properties:
- description: register offset
- description: phy index
- vbus-supply:
- description: reference to the VBUS regulator.
-
- 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
-
- fsl,anatop:
- description: phandle for the anatop node.
- $ref: /schemas/types.yaml#/definitions/phandle
-
- 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
-
- usb-phy:
- description: phandle for the PHY device. Use "phys" instead.
- maxItems: 1
- deprecated: true
-
- fsl,usbphy:
- description: phandle of usb phy that connects to the port. Use "phys" instead.
- $ref: /schemas/types.yaml#/definitions/phandle
- deprecated: true
-
nvidia,phy:
description: phandle of usb phy that connects to the port. Use "phys" instead.
$ref: /schemas/types.yaml#/definitions/phandle
@@ -331,16 +70,6 @@ properties:
type: boolean
deprecated: true
- port:
- description:
- Any connector to the data bus of this controller should be modelled
- using the OF graph bindings specified, if the "usb-role-switch"
- property is used.
- $ref: /schemas/graph.yaml#/properties/port
-
- reset-gpios:
- maxItems: 1
-
ulpi:
type: object
additionalProperties: false
@@ -350,67 +79,13 @@ properties:
type: object
$ref: /schemas/phy/qcom,usb-hs-phy.yaml
-dependencies:
- port: [ usb-role-switch ]
- mux-controls: [ mux-control-names ]
-
required:
- compatible
- - reg
- - interrupts
allOf:
+ - $ref: chipidea,usb2-common.yaml#
- $ref: usb-hcd.yaml#
- $ref: usb-drd.yaml#
- - if:
- properties:
- phy_type:
- const: hsic
- required:
- - phy_type
- then:
- properties:
- pinctrl-names:
- items:
- - const: idle
- - const: active
- else:
- properties:
- pinctrl-names:
- minItems: 1
- maxItems: 2
- oneOf:
- - items:
- - const: default
- - enum:
- - host
- - device
- - items:
- - const: default
- - if:
- properties:
- compatible:
- contains:
- enum:
- - chipidea,usb2
- - lsi,zevio-usb
- - nuvoton,npcm750-udc
- - nvidia,tegra20-udc
- - nvidia,tegra30-udc
- - nvidia,tegra114-udc
- - nvidia,tegra124-udc
- - qcom,ci-hdrc
- - xlnx,zynq-usb-2.20a
- then:
- properties:
- fsl,usbmisc: false
- disable-over-current: false
- over-current-active-low: false
- over-current-active-high: false
- power-active-high: false
- external-vbus-divider: false
- samsung,picophy-pre-emp-curr-control: false
- samsung,picophy-dc-vol-level-adjust: false
unevaluatedProperties: false
@@ -438,33 +113,4 @@ examples:
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>;
- };
- };
-
...