diff options
| author | Stefan Adolfsson <sadolfsson@google.com> | 2018-04-24 10:21:17 +0200 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2018-05-10 02:27:07 -0700 |
| commit | bdc8b025280acd724fe8a0dfe9376fe94306d342 (patch) | |
| tree | 2fe5082b01a05e361d94668a3d46eca3b7738399 | |
| parent | 436dd71e5d6fe1b61cd4209bc5be5bfdb887600d (diff) | |
| download | chrome-ec-bdc8b025280acd724fe8a0dfe9376fe94306d342.tar.gz | |
Fizz: Add GPIOs used for CEC
The Fizz hardware has three pins for CEC. One GPIO is used
as a pull-up. It is always an output and always high. The
second GPIO is a data output. The third GPIO is the data
input that can also be configured as a timer input (TA1).
Signed-off-by: Stefan Adolfsson <sadolfsson@chromium.org>
BUG=b:76467407
BRANCH=none
TEST=Read and write the newly added GPIOs using ectool
Change-Id: Ia33b36a0cdaa40fd1a4f7aa66a092b5833bf5cf8
Reviewed-on: https://chromium-review.googlesource.com/1030219
Commit-Ready: Stefan Adolfsson <sadolfsson@chromium.org>
Tested-by: Stefan Adolfsson <sadolfsson@chromium.org>
Reviewed-by: Daisuke Nojiri <dnojiri@chromium.org>
| -rw-r--r-- | board/fizz/board.h | 3 | ||||
| -rw-r--r-- | board/fizz/gpio.inc | 4 |
2 files changed, 7 insertions, 0 deletions
diff --git a/board/fizz/board.h b/board/fizz/board.h index d155190fad..69b61ce641 100644 --- a/board/fizz/board.h +++ b/board/fizz/board.h @@ -44,6 +44,9 @@ #define WIRELESS_GPIO_WLAN GPIO_WLAN_OFF_L #define WIRELESS_GPIO_WLAN_POWER GPIO_PP3300_DX_WLAN #define WIRELESS_GPIO_WWAN GPIO_PP3300_DX_LTE +#define CEC_GPIO_OUT GPIO_CEC_OUT +#define CEC_GPIO_IN GPIO_CEC_IN +#define CEC_GPIO_PULL_UP GPIO_CEC_PULL_UP #define CONFIG_FANS 1 #define CONFIG_FAN_RPM_CUSTOM #define CONFIG_THROTTLE_AP diff --git a/board/fizz/gpio.inc b/board/fizz/gpio.inc index 716cc35c7f..75c7130bf5 100644 --- a/board/fizz/gpio.inc +++ b/board/fizz/gpio.inc @@ -84,6 +84,10 @@ GPIO(USB4_ENABLE, PIN(0, 0), GPIO_OUT_LOW) /* Front port 1 */ GPIO(USB5_ENABLE, PIN(B, 1), GPIO_OUT_LOW) /* Front port 2 */ GPIO(USB_A_CHARGE_EN_L, PIN(A, 5), GPIO_OUT_LOW) +GPIO(CEC_OUT, PIN(3, 6), GPIO_OUT_HIGH | GPIO_OPEN_DRAIN) +GPIO(CEC_IN, PIN(4, 0), GPIO_INPUT) +GPIO(CEC_PULL_UP, PIN(D, 3), GPIO_OUT_HIGH) + /* Board ID */ GPIO(BOARD_VERSION1, PIN(C, 4), GPIO_INPUT) /* Board ID bit0 */ GPIO(BOARD_VERSION2, PIN(C, 2), GPIO_INPUT) /* Board ID bit1 */ |