diff options
Diffstat (limited to 'baseboard/zork/variant_trembyle.c')
| -rw-r--r-- | baseboard/zork/variant_trembyle.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/baseboard/zork/variant_trembyle.c b/baseboard/zork/variant_trembyle.c index 7d5c05a7ab..2b6e520136 100644 --- a/baseboard/zork/variant_trembyle.c +++ b/baseboard/zork/variant_trembyle.c @@ -12,6 +12,7 @@ #include "hooks.h" #include "i2c.h" #include "ioexpander.h" +#include "timer.h" #define CPRINTSUSB(format, args...) cprints(CC_USBCHARGE, format, ## args) #define CPRINTFUSB(format, args...) cprintf(CC_USBCHARGE, format, ## args) @@ -128,3 +129,24 @@ static void ps8811_retimer_off(void) ioex_set_level(IOEX_USB_A1_RETIMER_EN, 0); } DECLARE_HOOK(HOOK_CHIPSET_SHUTDOWN, ps8811_retimer_off, HOOK_PRIO_DEFAULT); + +/***************************************************************************** + * MST hub + */ + +static void mst_hpd_handler(void) +{ + int hpd = 0; + + /* Pass HPD through from DB OPT3 MST hub to AP's DP1. */ + ioex_get_level(IOEX_MST_HPD_OUT, &hpd); + gpio_set_level(GPIO_DP1_HPD, hpd); + ccprints("MST HPD %d", hpd); +} +DECLARE_DEFERRED(mst_hpd_handler); + +void mst_hpd_interrupt(enum ioex_signal signal) +{ + /* Debounce for 2 msec. */ + hook_call_deferred(&mst_hpd_handler_data, (2 * MSEC)); +} |