hc
2024-10-12 a5969cabbb4660eab42b6ef0412cbbd1200cf14d
kernel/Documentation/devicetree/bindings/net/broadcom-bluetooth.txt
....@@ -10,17 +10,37 @@
1010 Required properties:
1111
1212 - compatible: should contain one of the following:
13
+ * "brcm,bcm20702a1"
14
+ * "brcm,bcm4329-bt"
15
+ * "brcm,bcm4330-bt"
1316 * "brcm,bcm43438-bt"
17
+ * "brcm,bcm4345c5"
18
+ * "brcm,bcm43540-bt"
19
+ * "brcm,bcm4335a0"
1420
1521 Optional properties:
1622
17
- - max-speed: see Documentation/devicetree/bindings/serial/slave-device.txt
23
+ - max-speed: see Documentation/devicetree/bindings/serial/serial.yaml
1824 - shutdown-gpios: GPIO specifier, used to enable the BT module
1925 - device-wakeup-gpios: GPIO specifier, used to wakeup the controller
20
- - host-wakeup-gpios: GPIO specifier, used to wakeup the host processor
21
- - clocks: clock specifier if external clock provided to the controller
22
- - clock-names: should be "extclk"
23
-
26
+ - host-wakeup-gpios: GPIO specifier, used to wakeup the host processor.
27
+ deprecated, replaced by interrupts and
28
+ "host-wakeup" interrupt-names
29
+ - clocks: 1 or 2 clocks as defined in clock-names below, in that order
30
+ - clock-names: names for clock inputs, matching the clocks given
31
+ - "extclk": deprecated, replaced by "txco"
32
+ - "txco": external reference clock (not a standalone crystal)
33
+ - "lpo": external low power 32.768 kHz clock
34
+ - vbat-supply: phandle to regulator supply for VBAT
35
+ - vddio-supply: phandle to regulator supply for VDDIO
36
+ - brcm,bt-pcm-int-params: configure PCM parameters via a 5-byte array
37
+ - sco-routing: 0 = PCM, 1 = Transport, 2 = Codec, 3 = I2S
38
+ - pcm-interface-rate: 128KBps, 256KBps, 512KBps, 1024KBps, 2048KBps
39
+ - pcm-frame-type: short, long
40
+ - pcm-sync-mode: slave, master
41
+ - pcm-clock-mode: slave, master
42
+ - interrupts: must be one, used to wakeup the host processor
43
+ - interrupt-names: must be "host-wakeup"
2444
2545 Example:
2646
....@@ -31,5 +51,6 @@
3151 bluetooth {
3252 compatible = "brcm,bcm43438-bt";
3353 max-speed = <921600>;
54
+ brcm,bt-pcm-int-params = [01 02 00 01 01];
3455 };
3556 };