1 Marvell 8897/8997 (sd8897/sd8997) bluetooth de
2 ------
3 The 8997 devices supports multiple interfaces.
4 the btmrvl driver is used and when used on USB
5 used.
6
7 Required properties:
8
9 - compatible : should be one of the followin
10 * "marvell,sd8897-bt" (for SDIO)
11 * "marvell,sd8997-bt" (for SDIO)
12 * "usb1286,204e" (for USB)
13
14 Optional properties:
15
16 - marvell,cal-data: Calibration data downloa
17 initialization. This is
18 This is only applicable
19
20 - marvell,wakeup-pin: It represents wakeup p
21 firmware will use the
22 - marvell,wakeup-gap-ms: wakeup gap represen
23 platform. The value will
24 is needed to work chip's
25 - interrupt-names: Used only for USB based d
26 - interrupts : specifies the interrupt pin n
27 driver will use the first int
28 array. For USB based devices,
29 named "wakeup" from the inter
30 The driver will request an ir
31 During system suspend, the ir
32 bluetooth chip can wakeup hos
33 conditions. During system res
34 to make sure unnecessary inte
35
36 Example:
37
38 IRQ pin 119 is used as system wakeup source in
39 wakeup pin 13 and gap 100ms are configured so
40 using this device side pin and wakeup latency.
41
42 Example for SDIO device follows (calibration d
43 below example).
44
45 &mmc3 {
46 vmmc-supply = <&wlan_en_reg>;
47 bus-width = <4>;
48 cap-power-off-card;
49 keep-power-in-suspend;
50
51 #address-cells = <1>;
52 #size-cells = <0>;
53 btmrvl: bluetooth@2 {
54 compatible = "marvell,sd8897-b
55 reg = <2>;
56 interrupt-parent = <&pio>;
57 interrupts = <119 IRQ_TYPE_LEV
58
59 marvell,cal-data = /bits/ 8 <
60 0x37 0x01 0x1c 0x00 0x
61 0x00 0x00 0xba 0xce 0x
62 0x00 0x00 0xf0 0x00>;
63 marvell,wakeup-pin = /bits/ 16
64 marvell,wakeup-gap-ms = /bits/
65 };
66 };
67
68 Example for USB device:
69
70 &usb_host1_ohci {
71 #address-cells = <1>;
72 #size-cells = <0>;
73
74 mvl_bt1: bt@1 {
75 compatible = "usb1286,204e";
76 reg = <1>;
77 interrupt-parent = <&gpio0>;
78 interrupt-names = "wakeup";
79 interrupts = <119 IRQ_TYPE_LEVEL_LOW>;
80 marvell,wakeup-pin = /bits/ 16 <0x0d>;
81 marvell,wakeup-gap-ms = /bits/ 16 <0x6
82 };
83 };
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.