dt-bindings: Consolidate ChipIdea USB ci13xxx bindings

Combine the ChipIdea USB binding into a single document to reduce
duplication and fragmentation. This marks use of the old PHY bindings as
deprecated. Future compatible bindings should use generic PHY binding.

Signed-off-by: Rob Herring <robh@kernel.org>
Cc: Ivan T. Ivanov <iivanov@mm-sol.com>
Cc: Peter Chen <peter.chen@freescale.com>
Cc: Daniel Tang <dt.tangr@gmail.com>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Cc: Kumar Gala <galak@codeaurora.org>
Cc: devicetree@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Rob Herring 2015-05-29 11:38:44 -05:00 committed by Greg Kroah-Hartman
parent 10d9029bcb
commit 9d062b9b41
4 changed files with 21 additions and 70 deletions

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* Freescale i.MX ci13xxx usb controllers
Required properties:
- compatible: Should be "fsl,imx27-usb"
- reg: Should contain registers location and length
- interrupts: Should contain controller interrupt
- fsl,usbphy: phandle of usb phy that connects to the port
Recommended properies:
- phy_type: the type of the phy connected to the core. Should be one
of "utmi", "utmi_wide", "ulpi", "serial" or "hsic". Without this
property the PORTSC register won't be touched
- dr_mode: One of "host", "peripheral" or "otg". Defaults to "otg"
Optional properties:
- fsl,usbmisc: phandler of non-core register device, with one argument
that indicate usb controller index
- vbus-supply: regulator for vbus
- disable-over-current: disable over current detect
- external-vbus-divider: enables off-chip resistor divider for Vbus
- maximum-speed: limit the maximum connection speed to "full-speed".
- tpl-support: TPL (Targeted Peripheral List) feature for targeted hosts
Examples:
usb@02184000 { /* USB OTG */
compatible = "fsl,imx6q-usb", "fsl,imx27-usb";
reg = <0x02184000 0x200>;
interrupts = <0 43 0x04>;
fsl,usbphy = <&usbphy1>;
fsl,usbmisc = <&usbmisc 0>;
disable-over-current;
external-vbus-divider;
maximum-speed = "full-speed";
tpl-support;
};

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Qualcomm CI13xxx (Chipidea) USB controllers
Required properties:
- compatible: should contain "qcom,ci-hdrc"
- reg: offset and length of the register set in the memory map
- interrupts: interrupt-specifier for the controller interrupt.
- usb-phy: phandle for the PHY device
- dr_mode: Should be "peripheral"
Examples:
gadget@f9a55000 {
compatible = "qcom,ci-hdrc";
reg = <0xf9a55000 0x400>;
dr_mode = "peripheral";
interrupts = <0 134 0>;
usb-phy = <&usbphy0>;
};

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* USB2 ChipIdea USB controller for ci13xxx
Required properties:
- compatible: should be "chipidea,usb2"
- compatible: should be one of:
"fsl,imx27-usb"
"lsi,zevio-usb"
"qcom,ci-hdrc"
"chipidea,usb2"
- reg: base address and length of the registers
- interrupts: interrupt for the USB controller
Recommended properies:
- phy_type: the type of the phy connected to the core. Should be one
of "utmi", "utmi_wide", "ulpi", "serial" or "hsic". Without this
property the PORTSC register won't be touched.
- dr_mode: One of "host", "peripheral" or "otg". Defaults to "otg"
Deprecated properties:
- usb-phy: phandle for the PHY device. Use "phys" instead.
- fsl,usbphy: phandle of usb phy that connects to the port. Use "phys" instead.
Optional properties:
- clocks: reference to the USB clock
- phys: reference to the USB PHY
- phy-names: should be "usb-phy"
- vbus-supply: reference to the VBUS regulator
- maximum-speed: limit the maximum connection speed to "full-speed".
- tpl-support: TPL (Targeted Peripheral List) feature for targeted hosts
- fsl,usbmisc: (FSL only) phandler of non-core register device, with one
argument that indicate usb controller index
- disable-over-current: (FSL only) disable over current detect
- external-vbus-divider: (FSL only) enables off-chip resistor divider for Vbus
Example:

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* LSI Zevio USB OTG Controller
Required properties:
- compatible: Should be "lsi,zevio-usb"
- reg: Should contain registers location and length
- interrupts: Should contain controller interrupt
Optional properties:
- vbus-supply: regulator for vbus
Examples:
usb0: usb@b0000000 {
reg = <0xb0000000 0x1000>;
compatible = "lsi,zevio-usb";
interrupts = <8>;
vbus-supply = <&vbus_reg>;
};