Return-Path: From: Ilya Faenson To: Marcel Holtmann CC: , Arend van Spriel , Ilya Faenson Subject: [PATCH v3 1/5] Broadcom Bluetooth UART Device Tree bindings Date: Wed, 17 Jun 2015 11:42:43 -0400 Message-ID: <1434555767-18234-2-git-send-email-ifaenson@broadcom.com> In-Reply-To: <1434555767-18234-1-git-send-email-ifaenson@broadcom.com> References: <1434555767-18234-1-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 | 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..c2cf93a --- /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. + + - pcm-syncmode : PCM sync mode. 0-slave, 1-master. + Default: 0. + + +Example: + + bcm4354_bt_uart: bcm4354-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