brya: Set I2C4 to 400KHz
This drops the I2C4 speed to 400KHz as board rev. 1 does not meet I2C
timing requirements for 1MHz.
BRANCH=none
TEST=PD still works on C1
@@ -45,7 +45,7 @@ const struct i2c_port_t i2c_ports[] = {
/* I2C4 C1 TCPC */
.name = "tcpc1",
.port = I2C_PORT_USB_C1_TCPC,
- .kbps = 1000,
+ .kbps = 400,
.scl = GPIO_EC_I2C_USB_C1_TCPC_SCL,
.sda = GPIO_EC_I2C_USB_C1_TCPC_SDA,
},
