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Now that we've removed boards from ToT, also delete board-specific
code used only by the removed boards.
There are still more things to remove (unused charging chips, LED
drivers, COMx support). More CLs coming.
BUG=chromium:493866
BRANCH=none
TEST=make buildall -j
Change-Id: Ie6bdeaf96e61cadd77e3f6336c73b9b54ff4eabb
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/276524
Reviewed-by: Alec Berg <alecaberg@chromium.org>
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The ID detection and charging circuits on Spring are very different from
that on Kirby. PWM current limit is no longer used. The ID detection
sequence is also different. Also, there is no boost circuit on Kirby.
Given those hardware issues that we had to work around on Spring, it's
unlikely that we will have another board that shares the same/similar
ID detection design with Spring. Let's rename extpower_usb to
extpower_spring to better reflect this.
BUG=None
TEST=Build and boot Spring.
BRANCH=None
Change-Id: I7c212a121eed55665593cb7e1b2b672891819940
Signed-off-by: Vic Yang <victoryang@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/67031
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Some chargers can run in a "turbo" mode, which lets it draw from the battery
to provide extra power to the AP in short bursts. In order for this to work
properly, the EC has to watch the current closely to make sure specific
limits are observed. It also has to recognize specific adapters, since those
limits vary depending on the rated power that the adapter can provide.
This adds the basic functionality, plus a test for it.
BUG=chrome-os-partner:20739
BRANCH=falco,peppy
TEST=manual
make BOARD=${BOARD} runtests
On Falco, you can also use the "adapter" EC command to see what's going on.
Try replacing the adapters and running that command to be sure they're
correctly identified, too:
> adapter
Adapter 65W (590mv), turbo 1, AP_throttled 0
>
We currently support 45W, 65W, and 90W adapters. Unknown adapters are
treated as 65W, but don't enable turbo mode.
Change-Id: I7e5407db825ce7e596cb495fb8cb4d1dd1ff639c
Signed-off-by: Bill Richardson <wfrichar@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/63372
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Randall Spangler <rspangler@chromium.org>
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Make internal APIs static, and remove board_ prefix for clarity.
Move TSU6721 calls from charger task to extpower_usb functions for
better encapsulation.
No functional changes, just moving code. Yes, this will make
cherry-picking back from spring to TOT less convenient, but now the
code is more readable and it will make maintaining the PMU code easier
as we add boards.
BUG=chrome-os-partner:18343
BRANCH=none
TEST=build spring
Change-Id: I52b37e57fc8519859996a110b0503277c6f0bbc8
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/47657
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Now that it doesn't need to leverage SWITCH_TASK to send the AC_CHANGE
notification, pure GPIO-based external power detection can move from
switch.c to its own file.
BUG=chrome-os-partner:18256
BRANCH=none
TEST=add AC power, UI shows charging indicator; remove AC, indicator goes away
Change-Id: Id495f34185b7d971c241ac6d0a8311a6bf544507
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/45789
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