diff options
Diffstat (limited to 'board/pyro/board.c')
| -rw-r--r-- | board/pyro/board.c | 43 |
1 files changed, 31 insertions, 12 deletions
diff --git a/board/pyro/board.c b/board/pyro/board.c index 7af0038af4..38f4fa83fe 100644 --- a/board/pyro/board.c +++ b/board/pyro/board.c @@ -76,6 +76,26 @@ static void tcpc_alert_event(enum gpio_signal signal) #endif } +#ifdef CONFIG_USB_PD_TCPC_LOW_POWER +static void anx74xx_cable_det_handler(void) +{ + /* confirm if cable_det is asserted */ + if (!gpio_get_level(GPIO_USB_C0_CABLE_DET) || + gpio_get_level(GPIO_USB_C0_PD_RST_L)) + return; + + task_set_event(TASK_ID_PD_C0, PD_EVENT_TCPC_RESET, 0); +} +DECLARE_DEFERRED(anx74xx_cable_det_handler); +DECLARE_HOOK(HOOK_CHIPSET_RESUME, anx74xx_cable_det_handler, HOOK_PRIO_LAST); + +void anx74xx_cable_det_interrupt(enum gpio_signal signal) +{ + /* debounce for 2ms */ + hook_call_deferred(&anx74xx_cable_det_handler_data, (2 * MSEC)); +} +#endif + /* * enable_input_devices() is called by the tablet_mode ISR, but changes the * state of GPIOs, so its definition must reside after including gpio_list. @@ -249,12 +269,11 @@ struct usb_mux usb_muxes[CONFIG_USB_PD_PORT_COUNT] = { /* called from anx74xx_set_power_mode() */ void board_set_tcpc_power_mode(int port, int mode) { - /* - * This is called during init by the ANX driver to take the TCPC out - * of reset and enable power. Since we have two TCPC chips and one - * power enable on Pyro, we take both chips out of reset in a - * separate function. - */ + if (port == 0) { + gpio_set_level(GPIO_USB_C0_PD_RST_L, mode); + msleep(mode ? 10 : 1); + gpio_set_level(GPIO_EN_USB_TCPC_PWR, mode); + } } /** @@ -268,9 +287,7 @@ void board_reset_pd_mcu(void) gpio_set_level(GPIO_USB_C1_PD_RST_ODL, 0); /* Assert reset to TCPC0 */ - gpio_set_level(GPIO_USB_C0_PD_RST_L, 0); - msleep(1); - gpio_set_level(GPIO_EN_USB_TCPC_PWR, 0); + board_set_tcpc_power_mode(0, 0); /* Deassert reset to TCPC1 */ gpio_set_level(GPIO_USB_C1_PD_RST_ODL, 1); @@ -279,9 +296,7 @@ void board_reset_pd_mcu(void) msleep(10); /* Deassert reset to TCPC0 */ - gpio_set_level(GPIO_EN_USB_TCPC_PWR, 1); - msleep(10); - gpio_set_level(GPIO_USB_C0_PD_RST_L, 1); + board_set_tcpc_power_mode(0, 1); } #ifdef CONFIG_USB_PD_TCPC_FW_VERSION @@ -314,6 +329,10 @@ void board_tcpc_init(void) /* Enable TCPC1 interrupt */ gpio_enable_interrupt(GPIO_USB_C1_PD_INT_ODL); +#ifdef CONFIG_USB_PD_TCPC_LOW_POWER + /* Enable CABLE_DET interrupt for ANX3429 wake from standby */ + gpio_enable_interrupt(GPIO_USB_C0_CABLE_DET); +#endif /* * Initialize HPD to low; after sysjump SOC needs to see * HPD pulse to enable video path |