Commit Graph

5 Commits

Author SHA1 Message Date
Doug Anderson
97a4a1ba0e ARM: dts: Add i2c-arbitrator bus for exynos5250-snow
We need to use the i2c-arbitrator to talk to any of the devices on i2c
bus 4 on exynos5250-snow so that we don't confuse the embedded
controller (EC).  Add the i2c-arbitrator to the device tree.  As we
add future devices (keyboard, sbs, tps65090) we'll add them on top of
this.

The arbitrated bus is numbered 104 simply as a convenience to make it
easier for people poking around to guess that it might have something
to do with the physical bus 4.

The addition is split between the cros5250-common and the snow device
tree file since not all cros5250-class devices use arbitration.

Signed-off-by: Doug Anderson <dianders@chromium.org>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
2013-04-28 12:03:53 -07:00
Thomas Abraham
f8bfe2b050 ARM: dts: add pin state information in client nodes for Exynos5 platforms
Add default pin state information for all client nodes that require
pin configuration support using pinctrl interface.

Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Doug Anderson <dianders@chromium.org>
Reviewed-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2013-04-09 01:15:26 +09:00
Abhilash Kesavan
c877533ca3 ARM: dts: Add max77686 device tree support for CROS5250
The exynos5250 based chromebooks have a max77686 pmic on i2c channel 0.
Add support for the pmic in the common cros5250 dts file.
Tested after enabling cpufreq support for exynos5250 SoC and varying the
arm frequency/voltage using the userspace governer.

Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com>
Acked-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2013-03-07 19:47:13 +09:00
Alim Akhtar
753bd6ddf4 ARM: dts: correct the dw-mshc timing properties as per binding
As per the current exynos-dw-mshc bindings, dw-mshc-sdr-timing and
dw-mshc-ddr-timing properties are having only two cells, these properties
are wrongly set for exynos5250 based cros5250 and smdk5250 platfroms. This
patch corrects above timing propreties for above platfroms

Signed-off-by: Alim Akhtar <alim.akhtar@samsung.com>
Tested-by: Doug Anderson <dianders@chromium.org>
Acked-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2013-01-16 15:45:52 -08:00
Doug Anderson
95e82941b7 ARM: dts: Add board dts file for Snow board (ARM Chromebook)
This dts file is based on the Snow dts file in the Chromium OS kernel
tree with the following changes:
* Some details have been updated to match the exynos5250-smdk5250.dts
  file from linux-next (as of c11068538994430547722dc9fb515a0ceefd5cb9).
* This file doesn't include references to hardware whose upstream
  support isn't quite there yet.  That includes most i2c devices.
  Note that most i2c busses have been included with no devices.

The Snow dts file is mostly just an include of the "cros5250" dts file
which describes a class of similar boards. Support for other boards has
not yet been send upstream.

With this file and a change to use UART3 for serial output I can:
* Boot to a command line using either SD or EMMC as a root filesystem
* See the power button and lid switch using evtest.

Signed-off-by: Doug Anderson <dianders@chromium.org>
Acked-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-11-21 13:32:21 +09:00