diff options
| -rw-r--r-- | zephyr/projects/corsola/i2c_krabby.dts | 1 | ||||
| -rw-r--r-- | zephyr/projects/corsola/src/krabby/usbc_config.c | 19 |
2 files changed, 20 insertions, 0 deletions
diff --git a/zephyr/projects/corsola/i2c_krabby.dts b/zephyr/projects/corsola/i2c_krabby.dts index 4b3c46ffe4..a5dc03b655 100644 --- a/zephyr/projects/corsola/i2c_krabby.dts +++ b/zephyr/projects/corsola/i2c_krabby.dts @@ -17,5 +17,6 @@ tusb1064_mux_1: tusb1064-mux-1@44 { compatible = "ti,tusb1064"; reg = <0x44>; + board-init = "tusb1064_mux_1_board_init"; }; }; diff --git a/zephyr/projects/corsola/src/krabby/usbc_config.c b/zephyr/projects/corsola/src/krabby/usbc_config.c index 3ef9052e05..4870b1c98b 100644 --- a/zephyr/projects/corsola/src/krabby/usbc_config.c +++ b/zephyr/projects/corsola/src/krabby/usbc_config.c @@ -10,6 +10,8 @@ #include "charge_manager.h" #include "console.h" #include "driver/tcpm/it83xx_pd.h" +#include "driver/usb_mux/tusb1064.h" +#include "i2c.h" #include "usb_pd.h" #include "usbc_ppc.h" @@ -17,6 +19,23 @@ #define CPRINTS(format, args...) cprints(CC_SYSTEM, format, ##args) #define CPRINTF(format, args...) cprintf(CC_SYSTEM, format, ##args) +int tusb1064_mux_1_board_init(const struct usb_mux *me) +{ + int rv; + + rv = i2c_write8(me->i2c_port, me->i2c_addr_flags, + TUSB1064_REG_DP1DP3EQ_SEL, + TUSB1064_DP1EQ(TUSB1064_DP_EQ_RX_8_9_DB) | + TUSB1064_DP3EQ(TUSB1064_DP_EQ_RX_5_4_DB)); + if (rv) + return rv; + + /* Enable EQ_OVERRIDE so the gain registers are used */ + return i2c_update8(me->i2c_port, me->i2c_addr_flags, + TUSB1064_REG_GENERAL, REG_GENERAL_EQ_OVERRIDE, + MASK_SET); +} + const struct cc_para_t *board_get_cc_tuning_parameter(enum usbpd_port port) { const static struct cc_para_t |