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Todd Broch 847eb1ec44 samus_pd: Initial DFP_D HPD GPIOs.

USB PD spec now calls for HPD signal to be managed across the USB PD
protocal.  In preparation this CL makes the HPD GPIOs outputs and
initially low.

This should NOT effect older revs of the design as GPIOs were unused
(had unstuffed option for external XTAL).

BRANCH=samus
BUG=chrome-os-partner:30645
TEST=compiles & runs.  With reworked board can manually trigger HPD.

Change-Id: I0a64c1daf8d8c866f5de237c3daf4be028eecd63
Signed-off-by: Todd Broch <tbroch@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/223462
Reviewed-by: Alec Berg <alecaberg@chromium.org>
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>

2014-10-15 23:56:01 +00:00

board

samus_pd: Initial DFP_D HPD GPIOs.

2014-10-15 23:56:01 +00:00

chip

Write protect support for STM32F0

2014-10-15 23:55:55 +00:00

common

Write protect support for STM32F0

2014-10-15 23:55:55 +00:00

core

cortex-m0: disallow rescheduling if task_start() has not yet run

2014-10-07 01:29:33 +00:00

driver

pi3usb9281: Add function for translating registers to current limit

2014-10-10 06:54:22 +00:00

extra

lightbar: interpreter additions to encode other patterns

2014-10-15 18:22:37 +00:00

include

Write protect support for STM32F0

2014-10-15 23:55:55 +00:00

power

Veyron: power on 5v drv for pinky-rev2

2014-10-02 20:51:02 +00:00

test

pd: VDM Alternate mode support.

2014-10-09 20:44:43 +00:00

util

lightbar: interpreter additions to encode other patterns

2014-10-15 18:22:37 +00:00

.gitignore

Add TAGS and cscope.* to .gitignore

2014-03-31 22:45:09 +00:00

COMMIT-QUEUE.ini

Ignore failures in HWTest and VMTest in the commit queue.

2013-11-01 14:08:36 +00:00

LICENSE

Add LICENSE file to project

2012-05-11 09:11:52 -07:00

Makefile

Factor out common flash code for STM32F and STM32F0

2014-10-15 20:49:35 +00:00

Makefile.rules

zinger: check RW firmware signature

2014-10-02 23:18:25 +00:00

Makefile.toolchain

samus: add host commands for flashing zinger RW

2014-08-26 23:06:23 +00:00

OWNERS

Add OWNERS files

2014-04-02 19:58:53 +00:00

PRESUBMIT.cfg

Add presubmit check for unit test

2014-02-06 19:27:18 +00:00

README

Add standalone lightbar simulation tool

2014-05-15 05:20:14 +00:00

README.fmap

Update EC config and FMAP to reserve room for vboot signatures

2012-05-04 14:42:58 -07:00

README

For an overview of the Embedded Controller firmware, refer to

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

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