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| author | Josie Nordrum <JosieNordrum@google.com> | 2020-08-11 11:41:22 -0700 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2020-08-12 03:00:39 +0000 |
| commit | 6f47ebb6bab450252396d0f1292858618bca21d6 (patch) | |
| tree | ff2227ffee0d8c282ad15998ae8cd638e762a791 /board/dirinboz | |
| parent | 88b2a9dbfdeba3b639e54ade7224b0df2c0374b5 (diff) | |
| download | chrome-ec-6f47ebb6bab450252396d0f1292858618bca21d6.tar.gz | |
Dalboz: Daughterboard IO expander pin IO5 new function EN_PWR_HDMI_DB
Declare HDMI power enable signal. Add functions to turn off HDMI power
in S3.
BUG=b:162747874
TEST=None
BRANCH=None
Signed-off-by: Josie Nordrum <josienordrum@google.com>
Change-Id: I6ab4c557bdb616b8a5514940ec39186cf6366f7a
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2350029
Reviewed-by: Edward Hill <ecgh@chromium.org>
Diffstat (limited to 'board/dirinboz')
| -rw-r--r-- | board/dirinboz/board.c | 18 | ||||
| -rw-r--r-- | board/dirinboz/gpio.inc | 1 |
2 files changed, 19 insertions, 0 deletions
diff --git a/board/dirinboz/board.c b/board/dirinboz/board.c index aec8881bfe..f37586db7d 100644 --- a/board/dirinboz/board.c +++ b/board/dirinboz/board.c @@ -192,6 +192,24 @@ void pcal6408_interrupt(enum gpio_signal signal) hook_call_deferred(&pcal6408_handler_data, 0); } +/***************************************************************************** + * Retimers + */ + +static void retimers_on(void) +{ + /* hdmi retimer power on */ + ioex_set_level(IOEX_EN_PWR_HDMI_DB, 1); +} +DECLARE_HOOK(HOOK_CHIPSET_RESUME, retimers_on, HOOK_PRIO_DEFAULT); + +static void retimers_off(void) +{ + /* hdmi retimer power off */ + ioex_set_level(IOEX_EN_PWR_HDMI_DB, 0); +} +DECLARE_HOOK(HOOK_CHIPSET_SUSPEND, retimers_off, HOOK_PRIO_DEFAULT); + static int board_ps8743_mux_set(const struct usb_mux *me, mux_state_t mux_state) { diff --git a/board/dirinboz/gpio.inc b/board/dirinboz/gpio.inc index d23414b1bc..eee5f4f761 100644 --- a/board/dirinboz/gpio.inc +++ b/board/dirinboz/gpio.inc @@ -85,6 +85,7 @@ IOEX(USB_A1_RETIMER_EN_OPT2, EXPIN(IOEX_HDMI_PCAL6408, 0, 0), GPIO_OUT_LOW) /* A IOEX(EN_USB_A1_5V_DB_OPT2, EXPIN(IOEX_HDMI_PCAL6408, 0, 1), GPIO_OUT_LOW) /* A1 5V Source Enable */ IOEX(USB_A1_CHARGE_EN_DB_L_OPT2,EXPIN(IOEX_HDMI_PCAL6408, 0, 2), GPIO_OUT_HIGH) /* A1 5V High Current Enable */ IOEX(HDMI_DATA_EN_DB, EXPIN(IOEX_HDMI_PCAL6408, 0, 3), GPIO_OUT_HIGH) /* HDMI Retimer Enable */ +IOEX(EN_PWR_HDMI_DB, EXPIN(IOEX_HDMI_PCAL6408, 0, 5), GPIO_OUT_LOW) /* HDMI Retimer Power Enable */ /* * The NPCX LPC driver configures and controls SCI, so PCH_SCI_ODL [PIN(7, 6)] |