Return-Path: From: Ilya Faenson To: Marcel Holtmann CC: , Ilya Faenson Subject: [RFC v3 1/4] Broadcom Bluetooth UART Device Tree bindings Date: Wed, 13 May 2015 17:50:20 -0400 Message-ID: <1431553823-25670-2-git-send-email-ifaenson@broadcom.com> In-Reply-To: <1431553823-25670-1-git-send-email-ifaenson@broadcom.com> References: <1431553823-25670-1-git-send-email-ifaenson@broadcom.com> MIME-Version: 1.0 Content-Type: text/plain List-ID: Device Tree bindings to configure the Broadcom Bluetooth UART device. Signed-off-by: Ilya Faenson --- .../devicetree/bindings/net/bluetooth/btbcm.txt | 54 ++++++++++++++++++++++ 1 file changed, 54 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..cc9f225 --- /dev/null +++ b/Documentation/devicetree/bindings/net/bluetooth/btbcm.txt @@ -0,0 +1,54 @@ +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. + + - 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: 0. + + - configure-audio : configure platform PCM SCO flag. + Default: 0. + + - PCM* : SCO PCM platform parameters. Work with Broadcom on setting. + Defaults: see the example below. + + +Example: + + bcm4354_bt_uart: bcm4354-bt-uart { + compatible = "bcm-bt-uart,bcm4354-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 = <1>; + configure-audio = <1>; + PCMClockMode = <0>; + PCMFillMethod = <2>; + PCMFillNum = <0>; + PCMFillValue = <3>; + PCMInCallBitclock = <0>; + PCMLSBFirst = <0>; + PCMRightJustify = <0>; + PCMRouting = <0>; + PCMShortFrameSync = <0>; + PCMSyncMode = <0>; + }; + -- 1.9.1