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| author | Vincent Palatin <vpalatin@chromium.org> | 2012-02-02 23:44:30 +0000 |
|---|---|---|
| committer | Vincent Palatin <vpalatin@chromium.org> | 2012-02-03 02:00:27 +0000 |
| commit | 54f36995a4b626280b868f1efe6049591f3fc53c (patch) | |
| tree | f97716aa89d2eb812de3efd8104930f75080663b /board/discovery/board.h | |
| parent | b2b6eb46b32826386e8ab16ed623a6927df043da (diff) | |
| download | chrome-ec-54f36995a4b626280b868f1efe6049591f3fc53c.tar.gz | |
stm32l: basic GPIO support
No interrupt support yet.
Signed-off-by: Vincent Palatin <vpalatin@chromium.org>
BUG=None
TEST=on Discovery EC console, using "gpioget" and "gpioset" commands
check we can switch the LED and read the button state.
Change-Id: I01294643d3df070a535dab5a6be02c296487fca5
Diffstat (limited to 'board/discovery/board.h')
| -rw-r--r-- | board/discovery/board.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/board/discovery/board.h b/board/discovery/board.h index 42365cacf2..25d681a18b 100644 --- a/board/discovery/board.h +++ b/board/discovery/board.h @@ -18,8 +18,12 @@ /* GPIO signal list */ enum gpio_signal { - GPIO_DUMMY0 = 0, /* Dummy GPIO */ - GPIO_DUMMY1, + /* Inputs with interrupt handlers are first for efficiency */ + GPIO_USER_BUTTON = 0, /* Blue user button */ + /* Other inputs */ + /* Outputs */ + GPIO_BLUE_LED, /* Blue debug LED */ + GPIO_GREEN_LED, /* Green debug LED */ /* Number of GPIOs; not an actual GPIO */ GPIO_COUNT |