diff options
| author | tim <tim2.lin@ite.corp-partner.google.com> | 2020-02-13 14:37:38 +0800 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2020-02-21 09:26:28 +0000 |
| commit | 937af456b82fad241049f02d276ad8f66b25a2de (patch) | |
| tree | 6a51ca139e49035b49f4fdd82a8d86b2bc962d46 /board/it83xx_evb | |
| parent | f18b94ab43c8a7fce3aee0077c09fa5608924659 (diff) | |
| download | chrome-ec-937af456b82fad241049f02d276ad8f66b25a2de.tar.gz | |
it83xx/dac: add DAC module
The DAC module has four channels. We can
set output voltage when DAC channel is
enabled by this driver.
BUG=b:149094279
BRANCH=none
TEST=The console command #dac set as follows:
read: dac [ch]
write: dac [ch] [voltage]
[ch]:2-5, [voltage]:0(disable)-3300
Change-Id: I8e815cb5bc749467581d5f771fd6f9e0995fca3b
Signed-off-by: tim <tim2.lin@ite.corp-partner.google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2046685
Reviewed-by: Diana Z <dzigterman@chromium.org>
Diffstat (limited to 'board/it83xx_evb')
| -rw-r--r-- | board/it83xx_evb/board.h | 1 | ||||
| -rw-r--r-- | board/it83xx_evb/gpio.inc | 1 |
2 files changed, 2 insertions, 0 deletions
diff --git a/board/it83xx_evb/board.h b/board/it83xx_evb/board.h index 97083d28b8..591cb469c4 100644 --- a/board/it83xx_evb/board.h +++ b/board/it83xx_evb/board.h @@ -14,6 +14,7 @@ /* Optional features */ #define CONFIG_BATTERY_SMART #define CONFIG_BOARD_VERSION_GPIO +#define CONFIG_DAC #define CONFIG_FANS 1 #define CONFIG_I2C #define CONFIG_I2C_MASTER diff --git a/board/it83xx_evb/gpio.inc b/board/it83xx_evb/gpio.inc index 1333abe453..022be8db2f 100644 --- a/board/it83xx_evb/gpio.inc +++ b/board/it83xx_evb/gpio.inc @@ -85,3 +85,4 @@ ALTERNATE(PIN_MASK(C, 0x06), 1, MODULE_I2C, 0) /* I2C B SCL/SDA */ ALTERNATE(PIN_MASK(F, 0xC0), 1, MODULE_I2C, 0) /* I2C C SCL/SDA */ #endif ALTERNATE(PIN_MASK(E, 0x81), 1, MODULE_I2C, 0) /* I2C E SCL/SDA E0/E7 */ +ALTERNATE(PIN_MASK(J, 0x3C), 1, MODULE_DAC, 0) /* DAC CH2.3.4.5 */ |