[RFC v4 1/4] Broadcom Bluetooth UART Device Tree bindings
From: Ilya Faenson <hidden>
Date: 2015-05-22 20:10:17
Also in:
linux-devicetree
Subsystem:
bluetooth drivers, open firmware and flattened device tree bindings, the rest · Maintainers:
Marcel Holtmann, Luiz Augusto von Dentz, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Possibly related (same subject, not in this thread)
- 2015-06-02 · Re: [RFC v4 1/4] Broadcom Bluetooth UART Device Tree bindings · Rob Herring <hidden>
- 2015-06-02 · RE: [RFC v4 1/4] Broadcom Bluetooth UART Device Tree bindings · Ilya Faenson <hidden>
- 2015-06-02 · Re: [RFC v4 1/4] Broadcom Bluetooth UART Device Tree bindings · Rob Herring <hidden>
Device Tree bindings to configure the Broadcom Bluetooth UART device. Signed-off-by: Ilya Faenson <redacted> --- .../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..968421b
--- /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. + + - baud-rate-before-config-download : initial Bluetooth device 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. + + - PCMClockMode : PCM clock mode. 0-slave, 1-master. + Default: 0. + + - PCMFillMethod : PCM fill method. 0 to 3. + Default: 2. + + - PCMFillNum : PCM number of fill bits. 0 to 3. + Default: 0. + + - PCMFillValue : PCM fill value. 0 to 7. + Default: 3. + + - PCMInCallBitclock : PCM interface rate. 0-128Kbps, 1-256Kbps, 2-512Kbps, + 3-1024Kbps, 4-2048Kbps. + Default: 0. + + - PCMLSBFirst : PCM LSB first. 0 or 1. + Default: 0. + + - PCMRightJustify : PCM Justify. 0-left, 1-right. + Default: 0. + + - PCMRouting : PCM routing. 0-PCM, 1-SCO over HCI. + Default: 0. + + - PCMShortFrameSync : 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"; + baud-rate-before-config-download = <3000000>; + configure-sleep; + configure-audio; + PCMClockMode = <0>; + PCMFillMethod = <2>; + PCMFillNum = <0>; + PCMFillValue = <3>; + PCMInCallBitclock = <0>; + PCMLSBFirst = <0>; + PCMRightJustify = <0>; + PCMRouting = <0>; + PCMShortFrameSync = <0>; + PCMSyncMode = <0>; + }; +
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1.9.1