Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) Nokia Bluetooth Chips
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) ---------------------
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) Nokia phones often come with UART connected bluetooth chips from different
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) vendors and modified device API. Those devices speak a protocol named H4+
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) (also known as h4p) by Nokia, which is similar to the H4 protocol from the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) Bluetooth standard. In addition to the H4 protocol it specifies two more
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) UART status lines for wakeup of UART transceivers to improve power management
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) and a few new packet types used to negotiate uart speed.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) Required properties:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)  - compatible: should contain "nokia,h4p-bluetooth" as well as one of the following:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)    * "brcm,bcm2048-nokia"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)    * "ti,wl1271-bluetooth-nokia"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)  - reset-gpios: GPIO specifier, used to reset the BT module (active low)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)  - bluetooth-wakeup-gpios: GPIO specifier, used to wakeup the BT module (active high)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)  - host-wakeup-gpios: GPIO specifier, used to wakeup the host processor (active high)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)  - clock-names: should be "sysclk"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)  - clocks: should contain a clock specifier for every name in clock-names
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) Optional properties:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)  - None
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) Example:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) / {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29)        /* controlled (enabled/disabled) directly by BT module */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)        bluetooth_clk: vctcxo {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)                compatible = "fixed-clock";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)                #clock-cells = <0>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)                clock-frequency = <38400000>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)        };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) &uart2 {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38)        pinctrl-names = "default";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)        pinctrl-0 = <&uart2_pins>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41)        bluetooth {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42)                compatible = "ti,wl1271-bluetooth-nokia", "nokia,h4p-bluetooth";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)                reset-gpios = <&gpio1 26 GPIO_ACTIVE_LOW>; /* gpio26 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45)                host-wakeup-gpios = <&gpio4 5 GPIO_ACTIVE_HIGH>; /* gpio101 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)                bluetooth-wakeup-gpios = <&gpio2 5 GPIO_ACTIVE_HIGH>; /* gpio37 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)                clocks = <&bluetooth_clk>;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49)                clock-names = "sysclk";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50)        };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) };