dmesg | grep bluetooth
[    1.285015] of_get_named_gpiod_flags: parsed 'uart_rts_gpios' property of node '/wireless-bluetooth[0]' - status (0)
[    1.285023] [BT_RFKILL]: bluetooth_platdata_parse_dt: get property: uart_rts_gpios = 83.
[    1.285740] of_get_named_gpiod_flags: can't parse 'BT,power_gpio' property of node '/wireless-bluetooth[0]'
[    1.285762] of_get_named_gpiod_flags: parsed 'BT,reset_gpio' property of node '/wireless-bluetooth[0]' - status (0)
[    1.285768] [BT_RFKILL]: bluetooth_platdata_parse_dt: get property: BT,reset_gpio = 9.
[    1.286495] of_get_named_gpiod_flags: parsed 'BT,wake_gpio' property of node '/wireless-bluetooth[0]' - status (0)
[    1.286501] [BT_RFKILL]: bluetooth_platdata_parse_dt: get property: BT,wake_gpio = 90.
[    1.287224] of_get_named_gpiod_flags: parsed 'BT,wake_host_irq' property of node '/wireless-bluetooth[0]' - status (0)
[    1.287231] [BT_RFKILL]: bluetooth_platdata_parse_dt: get property: BT,wake_host_irq = 4.
[    1.287956] [BT_RFKILL]: bluetooth_platdata_parse_dt: clk_get failed!!!.