GPIOX_15
CBUS_GPIO(GPIOX_15, 2, 15),
GPIO_MUX_PINCTRL_GROUP("uart_a_rts", 0x4, 7, GPIOX_15, 1),
CBUS_GPIO(GPIOX_15, 4, 15),
{ "uart_rts_a", REG4, 10, { GPIOX_15 }, 1 },
CBUS_GPIO(GPIOX_15, 4, 15),
{ "uart_dts_a", REG5, 16, { GPIOX_15 }, 1 },