[U-Boot] [PATCH v3 0/16] tegra: Add fdt definitions and USB driver

[Marek Vasut]

> Hi Marek,
> 
> On Sun, Feb 26, 2012 at 3:09 PM, Marek Vasut <marex at denx.de> wrote:
> >> This series brings in the kernel fdt file and provides a working
> >> USB driver for Tegra2 Seaboard.
> >> 
> >> (I have done this in one series since otherwise most of the fdt
> >> additions will just look like dead code.)
> >> 
> >> The driver requires CONFIG_OF_CONTROL and a device tree to operate.
> >> 
> >> Some enhancements to fdtdec are required to make this easier, and these
> >> are included in the series also. I have had to bring in basic GPIO
> >> support due to the request to put the USB VBUS into the fdt.
> >> 
> >> Since the kernel recently got a very minimal USB binding, I have started
> >> with that and extended it where appropriate.
> >> 
> >> Tegra likes to have cache-aligned buffers. I have dropped the patch
> >> which implements this since we will solve this problem by making
> >> callers align their buffers (as we did with MMC).
> >> 
> >> Changes in v2:
> >> - Use "okay" instead of "ok" for fdt node status
> >> - Remove 0x from fdt aliases
> >> - Rename params to timing
> >> - Store entire fdt config in port list, not just register pointer
> >> - Remove non-fdt operation of USB, since it is not needed
> >> - Decode USB VBUS GPIO from the fdt
> >> - Decode phy type differently (to match new kernel fdt)
> >> - Rename tegra20-usb to tegra20-ehcui (to match new kernel fdt)
> >> - Improve debug() printouts in case of failure to init USB
> >> - Add setting of pinmux for USB VBUS GPIO
> >> - Remove unneeded CONFIG_TEGRA_USBx defines
> >> 
> >> Changes in v3:
> >> - Remove "okay" from nodes since this is the default anyway
> >> - Fix device tree indenting with tabs instead of spaces
> >> - Disable USB2 which is not used on Seaboard
> >> - Remove usbparams properties from fdt and moved them to C code
> >> - Drop Tegra USB alignment patch as we will deal with this another way
> >> 
> >> Simon Glass (16):
> >>   fdt: Tidy up a few fdtdec problems
> >>   fdt: Add functions to access phandles, arrays and bools
> >>   Add gpio_request() to asm-generic header
> >>   fdt: Add basic support for decoding GPIO definitions
> >>   arm: fdt: Ensure that an embedded fdt is word-aligned
> >>   arm: fdt: Add skeleton device tree file from kernel
> >>   tegra: fdt: Add Tegra2x device tree file from kernel
> >>   tegra: fdt: Add device tree file for Tegra2 Seaboard from kernel
> >>   tegra: usb: fdt: Add additional device tree definitions for USB ports
> >>   tegra: usb: fdt: Add USB definitions for Tegra2 Seaboard
> >>   usb: Add support for txfifo threshold
> >>   tegra: usb: Add support for Tegra USB peripheral
> >>   tegra: usb: Add USB support to nvidia boards
> >>   tegra: usb: Add common USB defines for tegra2 boards
> >>   tegra: usb: Enable USB on Seaboard
> >>   tegra: fdt: Enable FDT support for Seaboard
> >> 
> >>  README                                    |    3 +
> >>  arch/arm/cpu/armv7/tegra2/Makefile        |    4 +-
> >>  arch/arm/cpu/armv7/tegra2/config.mk       |    2 +
> >>  arch/arm/cpu/armv7/tegra2/usb.c           |  430
> >> +++++++++++++++++++++++++++++ arch/arm/cpu/armv7/u-boot.lds            
> >> | 5 +
> >>  arch/arm/dts/skeleton.dtsi                |   13 +
> >>  arch/arm/dts/tegra20.dtsi                 |  172 ++++++++++++
> >>  arch/arm/include/asm/arch-tegra2/tegra2.h |    2 +
> >>  arch/arm/include/asm/arch-tegra2/usb.h    |  255 +++++++++++++++++
> >>  board/nvidia/common/board.c               |    8 +
> >>  board/nvidia/dts/tegra2-seaboard.dts      |   47 ++++
> >>  drivers/usb/host/Makefile                 |    1 +
> >>  drivers/usb/host/ehci-hcd.c               |    7 +
> >>  drivers/usb/host/ehci-tegra.c             |   63 +++++
> >>  drivers/usb/host/ehci.h                   |    6 +-
> >>  dts/Makefile                              |    2 +-
> >>  include/asm-generic/gpio.h                |   10 +
> >>  include/configs/seaboard.h                |   12 +
> >>  include/configs/tegra2-common.h           |   14 +
> >>  include/fdtdec.h                          |  109 +++++++-
> >>  lib/fdtdec.c                              |  168 +++++++++++-
> >>  21 files changed, 1320 insertions(+), 13 deletions(-)
> >>  create mode 100644 arch/arm/cpu/armv7/tegra2/usb.c
> >>  create mode 100644 arch/arm/dts/skeleton.dtsi
> >>  create mode 100644 arch/arm/dts/tegra20.dtsi
> >>  create mode 100644 arch/arm/include/asm/arch-tegra2/usb.h
> >>  create mode 100644 board/nvidia/dts/tegra2-seaboard.dts
> >>  create mode 100644 drivers/usb/host/ehci-tegra.c
> > 
> > Hi,
> > 
> > what's the status of this patch/patchset?
> 
> It needs a small update to the Tegra device tree files (2 of the
> patches) and another change to deal with peripheral IDs (another 2 of
> the patches). I expect to get this done in the next few days. After
> that I am hoping we are done, but let's see.
> 
> Regards,
> Simon
> 
Ok, please CC me when you resubmit so I can check and apply the USB stuff. 
Thanks!

M