Hi Samuel, On Wed, Dec 12, 2012 at 1:33 PM, Simon Glass <sjg@xxxxxxxxxxxx> wrote: > (get_maintainer.pl has produced an enormous list - I hope you are all > interested.) > > The ChromeOS Embedded Controller (EC) is an Open Source EC implementation > used on ARM and Intel Chromebooks. Current implementations use a Cortex-M3 > connected on a bus (such as I2C, SPI, LPC) to the AP. A separate interrupt > line is used to indicate when the EC needs service. > > Functions performed by the EC vary by platform, but typically include > battery charging, keyboard scanning and power sequencing. > > This series includes support for the EC message protocol, and implements > a matrix keyboard handler for Linux using the protocol. The EC performs > key scanning and passes scan data in response to AP requests. This is > used on the Samsung ARM Chromebook. No driver is available for LPC at > present. > > This series can in principle operate on any hardware, but for it to actually > work on the Samsung ARM Chromebook, it needs patches which are currently in > progress to mainline: Exynos FDT interrupt support and I2C bus arbitration. > > The driver is device-tree-enabled and a suitable binding is included in > this series. Example device tree nodes are included in the examples, > but no device tree patch for exynos5250-snow is provided at this stage, since > we must wait for the above-mentioned patches to land to avoid errors from > dtc. This can be added with a follow-on patch when that work is complete. > > > Simon Glass (5): > mfd: Add ChromeOS EC messages header > mfd: Add ChromeOS EC implementation > mfd: Add ChromeOS EC I2C driver > mfd: Add ChromeOS EC SPI driver > Input: Add ChromeOS EC keyboard driver Are you planning to pick the mfd part of this series please? I am going to send a new version of the input patch on its own now that the DT binding is agreed. Regards, Simon > > .../devicetree/bindings/input/cros-ec-keyb.txt | 77 ++ > Documentation/devicetree/bindings/mfd/cros-ec.txt | 56 + > drivers/input/keyboard/Kconfig | 10 + > drivers/input/keyboard/Makefile | 1 + > drivers/input/keyboard/cros_ec_keyb.c | 413 ++++++ > drivers/mfd/Kconfig | 28 + > drivers/mfd/Makefile | 3 + > drivers/mfd/cros_ec.c | 219 ++++ > drivers/mfd/cros_ec_i2c.c | 262 ++++ > drivers/mfd/cros_ec_spi.c | 412 ++++++ > include/linux/mfd/cros_ec.h | 190 +++ > include/linux/mfd/cros_ec_commands.h | 1369 ++++++++++++++++++++ > 12 files changed, 3040 insertions(+), 0 deletions(-) > create mode 100644 Documentation/devicetree/bindings/input/cros-ec-keyb.txt > create mode 100644 Documentation/devicetree/bindings/mfd/cros-ec.txt > create mode 100644 drivers/input/keyboard/cros_ec_keyb.c > create mode 100644 drivers/mfd/cros_ec.c > create mode 100644 drivers/mfd/cros_ec_i2c.c > create mode 100644 drivers/mfd/cros_ec_spi.c > create mode 100644 include/linux/mfd/cros_ec.h > create mode 100644 include/linux/mfd/cros_ec_commands.h > > -- > 1.7.7.3 > -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
