diff options
Diffstat (limited to 'board/fizz/usb_pd_policy.c')
| -rw-r--r-- | board/fizz/usb_pd_policy.c | 42 |
1 files changed, 6 insertions, 36 deletions
diff --git a/board/fizz/usb_pd_policy.c b/board/fizz/usb_pd_policy.c index ac3c4acf18..122c4d39ca 100644 --- a/board/fizz/usb_pd_policy.c +++ b/board/fizz/usb_pd_policy.c @@ -55,47 +55,19 @@ void pd_transition_voltage(int idx) /* No-operation: we are always 5V */ } -static uint8_t vbus_en[CONFIG_USB_PD_PORT_COUNT]; -static uint8_t vbus_rp[CONFIG_USB_PD_PORT_COUNT] = {TYPEC_RP_1A5, TYPEC_RP_1A5}; +static uint8_t vbus_en; int board_vbus_source_enabled(int port) { - return vbus_en[port]; -} - -static void board_vbus_update_source_current(int port) -{ - enum gpio_signal gpio = port ? GPIO_USB_C1_5V_EN : GPIO_USB_C0_5V_EN; - int flags = (vbus_rp[port] == TYPEC_RP_1A5 && vbus_en[port]) ? - (GPIO_INPUT | GPIO_PULL_UP) : (GPIO_OUTPUT | GPIO_PULL_UP); - - /* - * Driving USB_Cx_5V_EN high, actually put a 16.5k resistance - * (2x 33k in parallel) on the NX5P3290 load switch ILIM pin, - * setting a minimum OCP current of 3186 mA. - * Putting an internal pull-up on USB_Cx_5V_EN, effectively put a 33k - * resistor on ILIM, setting a minimum OCP current of 1505 mA. - */ - gpio_set_level(gpio, vbus_en[port]); - gpio_set_flags(gpio, flags); -} - -void typec_set_source_current_limit(int port, int rp) -{ - vbus_rp[port] = rp; - - /* change the GPIO driving the load switch if needed */ - board_vbus_update_source_current(port); + return vbus_en; } int pd_set_power_supply_ready(int port) { /* Disable charging */ - gpio_set_level(port ? GPIO_USB_C1_CHARGE_L : - GPIO_USB_C0_CHARGE_L, 1); + gpio_set_level(GPIO_USB_C0_CHARGE_L, 1); /* Provide VBUS */ - gpio_set_level(port ? GPIO_USB_C1_5V_EN : - GPIO_USB_C0_5V_EN, 1); + gpio_set_level(GPIO_USB_C0_5V_EN, 1); /* notify host of power info change */ pd_send_host_event(PD_EVENT_POWER_CHANGE); @@ -106,8 +78,7 @@ int pd_set_power_supply_ready(int port) void pd_power_supply_reset(int port) { /* Disable VBUS */ - gpio_set_level(port ? GPIO_USB_C1_5V_EN : - GPIO_USB_C0_5V_EN, 0); + gpio_set_level(GPIO_USB_C0_5V_EN, 0); /* notify host of power info change */ pd_send_host_event(PD_EVENT_POWER_CHANGE); @@ -115,8 +86,7 @@ void pd_power_supply_reset(int port) int pd_snk_is_vbus_provided(int port) { - return !gpio_get_level(port ? GPIO_USB_C1_VBUS_WAKE_L : - GPIO_USB_C0_VBUS_WAKE_L); + return !gpio_get_level(GPIO_USB_C0_VBUS_WAKE_L); } void pd_set_input_current_limit(int port, uint32_t max_ma, |