diff options
Diffstat (limited to 'board/reef/board.c')
| -rw-r--r-- | board/reef/board.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/board/reef/board.c b/board/reef/board.c index c0ba7c3667..c39a038aa4 100644 --- a/board/reef/board.c +++ b/board/reef/board.c @@ -279,6 +279,14 @@ const enum gpio_signal hibernate_wake_pins[] = { const int hibernate_wake_pins_used = ARRAY_SIZE(hibernate_wake_pins); +static int ps8751_tune_mux(const struct usb_mux *mux) +{ + /* 0x98 sets lower EQ of DP port (4.5db) */ + i2c_write8(NPCX_I2C_PORT0_1, 0x16, PS8751_REG_MUX_DP_EQ_CONFIGURATION, + 0x98); + return EC_SUCCESS; +} + struct usb_mux usb_muxes[CONFIG_USB_PD_PORT_COUNT] = { { .port_addr = USB_PD_PORT_ANX74XX, /* don't care / unused */ @@ -289,6 +297,7 @@ struct usb_mux usb_muxes[CONFIG_USB_PD_PORT_COUNT] = { .port_addr = USB_PD_PORT_PS8751, .driver = &tcpci_tcpm_usb_mux_driver, .hpd_update = &ps8751_tcpc_update_hpd_status, + .board_init = &ps8751_tune_mux, } }; @@ -375,10 +384,6 @@ void board_tcpc_init(void) mux->hpd_update(port, 0, 0); } - - /* 0x98 sets lower EQ of DP port (4.5db) */ - i2c_write8(NPCX_I2C_PORT0_1, 0x16, PS8751_REG_MUX_DP_EQ_Configuration, - 0x98); } DECLARE_HOOK(HOOK_INIT, board_tcpc_init, HOOK_PRIO_INIT_I2C+1); |