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https://github.com/brain-hackers/u-boot-brain
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44f597adeb
Now UniPhier platform highly depends on Device Tree configuration (CONFIG_OF_CONTROL is select'ed by Kconfig). Since the EHCI is only used on main U-Boot, we can drop platform devices of the EHCI controllers. We still keep UART platform devices because they might be useful for SPL. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Acked-by: Marek Vasut <marex@denx.de>
57 lines
1.6 KiB
Plaintext
57 lines
1.6 KiB
Plaintext
#
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# USB Host Controller Drivers
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#
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comment "USB Host Controller Drivers"
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config USB_XHCI_HCD
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bool "xHCI HCD (USB 3.0) support"
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---help---
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The eXtensible Host Controller Interface (xHCI) is standard for USB 3.0
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"SuperSpeed" host controller hardware.
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config USB_XHCI
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bool
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default USB_XHCI_HCD
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---help---
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TODO: rename after most boards switch to Kconfig
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if USB_XHCI_HCD
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endif
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config USB_EHCI_HCD
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bool "EHCI HCD (USB 2.0) support"
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---help---
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The Enhanced Host Controller Interface (EHCI) is standard for USB 2.0
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"high speed" (480 Mbit/sec, 60 Mbyte/sec) host controller hardware.
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If your USB host controller supports USB 2.0, you will likely want to
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configure this Host Controller Driver.
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EHCI controllers are packaged with "companion" host controllers (OHCI
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or UHCI) to handle USB 1.1 devices connected to root hub ports. Ports
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will connect to EHCI if the device is high speed, otherwise they
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connect to a companion controller. If you configure EHCI, you should
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probably configure the OHCI (for NEC and some other vendors) USB Host
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Controller Driver or UHCI (for Via motherboards) Host Controller
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Driver too.
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You may want to read <file:Documentation/usb/ehci.txt>.
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config USB_EHCI
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bool
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default USB_EHCI_HCD
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---help---
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TODO: rename after most boards switch to Kconfig
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if USB_EHCI_HCD
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config USB_EHCI_UNIPHIER
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bool "Support for Panasonic UniPhier on-chip EHCI USB controller"
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depends on ARCH_UNIPHIER && OF_CONTROL
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default y
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---help---
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Enables support for the on-chip EHCI controller on Panasonic
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UniPhier SoCs.
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endif
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