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Daisuke Nojiri 13fb9ac539 Fizz: Limit input current 
Fizz has an over current control system. There are two FETs
connected to two registers: PR257 & PR258. They control
the max input current as follows:

                               PR257, PR258
  For 4.62A (90W BJ adapter),     on,   off
  For 3.33A (65W BJ adapter),    off,    on
  For 3.00A (Type-C adapter),    off,   off

BJ adapters are distinguished by reading GPIO71.

This patch also removes ISL9238 driver and ramping code. The
charger chip has been removed from the board since proto2.

BUG=b:65013352
BRANCH=none
TEST=Boot Fizz Proto3 on BJ and Type-C.

Change-Id: I32c2467f4ab23adf3f9313a03914d74d64a722df
Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/668119
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2017-09-25 18:35:26 -07:00
board
Fizz: Limit input current
2017-09-25 18:35:26 -07:00
builtin
Add uint_(least|fast)*_t types
2017-08-07 19:29:13 -07:00
chip
Add WebUSB descriptor support
2017-09-22 10:18:50 -07:00
common
Add WebUSB descriptor support
2017-09-22 10:18:50 -07:00
core
cleanup: Remove jtag_pre_init()
2017-09-07 15:01:05 -07:00
cts
eCTS: Run openocd and lsusb as a root
2017-07-08 20:38:53 -07:00
docs
docs/usb_updater: Add more details about the update protocol
2017-07-15 01:27:07 -07:00
driver
driver: bm160: Fix minimal gyro frequency
2017-09-20 16:37:57 -07:00
extra
usb_updater: allow to communicate with cr50 using trunks_send
2017-09-07 12:56:30 -07:00
include
Add WebUSB descriptor support
2017-09-22 10:18:50 -07:00
power
power: Provide chipset and board callbacks on host sleep event command
2017-09-22 10:18:48 -07:00
test
common: Substitute modified CRC8 with CRC-5-USB
2017-09-12 16:17:03 -07:00
util
update_fw: Store complete touchpad FW hash
2017-09-15 10:50:27 -07:00
.checkpatch.conf
checkpatch: prevent stupid complaints about description title
2016-07-21 13:13:27 -07:00
.gitignore
Makefile.rules: Add targets to see file size differences
2016-11-15 17:43:21 -08:00
COMMIT-QUEUE.ini
Add fizz-no-vmtest-pre-cq to the pre-cq set
2017-06-21 20:05:02 +00:00
LICENSE
Add LICENSE file to project
2012-05-11 09:11:52 -07:00
Makefile
Makefile: Generate hashes for the touchpad FW
2017-09-15 03:08:26 -07:00
Makefile.rules
Makefile: Generate hashes for the touchpad FW
2017-09-15 03:08:26 -07:00
Makefile.toolchain
BUILDCC fragments should include core/host
2017-08-21 14:47:27 -07:00
OWNERS
Add OWNERS files
2014-04-02 19:58:53 +00:00
PRESUBMIT.cfg
ec:Add presubmit hook to enforce host command definitions
2017-02-25 02:08:37 -08:00
README
README: Add link to quick-build instructions
2015-12-07 13:49:35 -08:00
README.fmap
Update EC config and FMAP to reserve room for vboot signatures
2012-05-04 14:42:58 -07:00
setup.py
ec3po: Add setup script.
2015-12-08 20:05:05 -08:00

README 

For an overview of the Embedded Controller firmware, refer to

http://www.chromium.org/chromium-os/2014-firmware-summit

For instructions on building from source, refer to

http://www.chromium.org/chromium-os/ec-development/getting-started-building-ec-images-quickly
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