linux-kernel - [PATCH 0/4] usb: musb: add driver for control module

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Date:	Fri, 18 Jan 2013 15:10:41 +0530
From:	Kishon Vijay Abraham I <kishon@...com>
To:	<rob.herring@...xeda.com>, <rob@...dley.net>, <tony@...mide.com>,
	<balbi@...com>, <b-cousson@...com>, <linux-usb@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-omap@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<linux-doc@...r.kernel.org>, <devicetree-discuss@...ts.ozlabs.org>
CC:	<grant.likely@...retlab.ca>, <linux@....linux.org.uk>,
	<gregkh@...uxfoundation.org>, <kishon@...com>
Subject: [PATCH 0/4] usb: musb: add driver for control module

Added a new driver for the usb part of control module. This has an API
to power on the USB2 phy and an API to write to the mailbox depending on
whether MUSB has to act in host mode or in device mode.

Writing to control module registers for doing the above task which was
previously done in omap glue and in omap-usb2 phy is removed.

Changes from RFC:
* Used "#if IS_ENABLED(CONFIG_OMAP_CONTROL_USB)" instead of 
  "#if (defined(CONFIG_OMAP_CONTROL_USB) || \
				defined(CONFIG_OMAP_CONTROL_USB_MODULE))"

* return "-EADDRNOTAVAIL" if devm_request_and_ioremap fails.

* Removed the dt data from this patch series (I'll send that as a separate
series).

* added "ctrl_module" binding to usb otg glue and usb phy in the Documentaion.
  This binding is not planned to be used until an actual requirement for
  it arises.

This series was developed on
git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb.git xceiv

Did basic enumeration testing in omap4 panda, omap4 sdp and omap3 beagle.

Kishon Vijay Abraham I (4):
  drivers: usb: phy: add a new driver for usb part of control module
  ARM: OMAP: devices: create device for usb part of control module
  ARM: OMAP2: MUSB: Specify omap4 has mailbox
  drivers: usb: start using the control module driver

 Documentation/devicetree/bindings/usb/omap-usb.txt |   30 ++-
 Documentation/devicetree/bindings/usb/usb-phy.txt  |   12 +-
 arch/arm/mach-omap2/devices.c                      |   48 +++++
 arch/arm/mach-omap2/omap_hwmod_44xx_data.c         |   13 --
 arch/arm/mach-omap2/usb-musb.c                     |    3 +
 drivers/usb/musb/Kconfig                           |    1 +
 drivers/usb/musb/omap2430.c                        |   64 +++---
 drivers/usb/musb/omap2430.h                        |    9 -
 drivers/usb/phy/Kconfig                            |   10 +
 drivers/usb/phy/Makefile                           |    1 +
 drivers/usb/phy/omap-control-usb.c                 |  204 ++++++++++++++++++++
 drivers/usb/phy/omap-usb2.c                        |   38 +---
 include/linux/usb/musb.h                           |    2 +
 include/linux/usb/omap_control_usb.h               |   72 +++++++
 include/linux/usb/omap_usb.h                       |    4 +-
 15 files changed, 411 insertions(+), 100 deletions(-)
 create mode 100644 drivers/usb/phy/omap-control-usb.c
 create mode 100644 include/linux/usb/omap_control_usb.h

-- 
1.7.9.5

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