diff options
| -rw-r--r-- | board/servo_v4p1/board.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/board/servo_v4p1/board.c b/board/servo_v4p1/board.c index d9d48a42ce..385d46ef55 100644 --- a/board/servo_v4p1/board.c +++ b/board/servo_v4p1/board.c @@ -65,6 +65,26 @@ static void tca_evt(enum gpio_signal signal) irq_ioexpanders(); } +/* + * TUSB1064 set mux board tuning. + * Adds in board specific gain and DP lane count configuration + */ +static int board_tusb1064_dp_rx_eq_set(const struct usb_mux *me, + mux_state_t mux_state) +{ + int rv = EC_SUCCESS; + + /* + * Apply 10dB gain. Note, this value is selected to match the gain that + * would be set by default if the 2 GPIO gain set pins are left + * floating. + */ + if (mux_state & USB_PD_MUX_DP_ENABLED) + rv = tusb1064_set_dp_rx_eq(me, TUSB1064_DP_EQ_RX_10_0_DB); + + return rv; +} + const struct usb_mux usb_muxes[CONFIG_USB_PD_PORT_MAX_COUNT] = { [CHG] = { /* CHG port connected directly to USB 3.0 hub, no mux */ }, [DUT] = { /* DUT port with UFP mux */ @@ -72,6 +92,7 @@ const struct usb_mux usb_muxes[CONFIG_USB_PD_PORT_MAX_COUNT] = { .i2c_port = I2C_PORT_MASTER, .i2c_addr_flags = TUSB1064_I2C_ADDR10_FLAGS, .driver = &tusb1064_usb_mux_driver, + .board_set = &board_tusb1064_dp_rx_eq_set, } }; |