Device Tree bindings to configure the Broadcom Bluetooth UART device.
Signed-off-by: Ilya Faenson <ifaenson@xxxxxxxxxxxx>
---
.../devicetree/bindings/net/bluetooth/btbcm.txt | 82 ++++++++++++++++++++++
1 file changed, 82 insertions(+)
create mode 100644 Documentation/devicetree/bindings/net/bluetooth/btbcm.txt
diff --git a/Documentation/devicetree/bindings/net/bluetooth/btbcm.txt b/Documentation/devicetree/bindings/net/bluetooth/btbcm.txt
new file mode 100644
index 0000000..2679819
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/bluetooth/btbcm.txt
@@ -0,0 +1,82 @@
+btbcm
+------
+
+Required properties:
+
+ - compatible : must be "brcm,brcm-bt-uart".
+ - tty : tty device connected to this Bluetooth device.
+
+Optional properties:
+
+ - bt-host-wake-gpios : bt-host-wake input GPIO to be used as an interrupt.
+
+ - bt-wake-gpios : bt-wake output GPIO to be used to suspend / resume device.
+
+ - bt-reg-on-gpios : reg-on output GPIO to be used to power device on/off.
+
+ - oper-speed : Bluetooth device operational baud rate.
+ Default: 3000000.
+
+ - manual-fc : flow control UART in suspend / resume scenarios.
+ Default: 0.
+
+ - configure-sleep : configure suspend / resume flag.
+ Default: false.
+
+ - configure-audio : configure platform PCM SCO flag.
+ Default: false.
+
+ - pcm-clockmode : PCM clock mode. 0-slave, 1-master.
+ Default: 0.
+
+ - pcm-fillmethod : PCM fill method. 0 to 3.
+ Default: 2.
+
+ - pcm-fillnum : PCM number of fill bits. 0 to 3.
+ Default: 0.
+
+ - pcm-fillvalue : PCM fill value. 0 to 7.
+ Default: 3.
+
+ - pcm-incallbitclock : PCM interface rate. 0-128Kbps, 1-256Kbps, 2-512Kbps,
+ 3-1024Kbps, 4-2048Kbps.
+ Default: 0.
+
+ - pcm-lsbfirst : PCM LSB first. 0 or 1.
+ Default: 0.
+
+ - pcm-rightjustify : PCM Justify. 0-left, 1-right.
+ Default: 0.
+
+ - pcm-routing : PCM routing. 0-PCM, 1-SCO over HCI.
+ Default: 0.
+
+ - pcm-shortframesync : PCM sync. 0-short, 1-long.
+ Default: 0.
+
+ - pcmsyncmode : PCM sync mode. 0-slave, 1-master.
+ Default: 0.
+
+
+Example:
+
+ brcm4354_bt_uart: brcm4354-bt-uart {
+ compatible = "brcm,brcm-bt-uart";
+ bt-wake-gpios = <&gpio4 30 GPIO_ACTIVE_HIGH>;
+ bt-host-wake-gpios = <&gpio4 31 GPIO_ACTIVE_HIGH>;
+ tty = "ttyS0";
+ oper-speed = <3000000>;
+ configure-sleep;
+ configure-audio;
+ pcm-clockmode = <0>;
+ pcm-fillmethod = <2>;
+ pcm-fillnum = <0>;
+ pcm-fillvalue = <3>;
+ pcm-incallbitclock = <0>;
+ pcm-lsbfirst = <0>;
+ pcm-rightjustify = <0>;
+ pcm-routing = <0>;
+ pcm-shortframesync = <0>;
+ pcm-syncmode = <0>;
+ };
+
--
1.9.1
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