Return-Path: From: Loic Poulain To: robh+dt@kernel.org, f.fainelli@gmail.com, rjui@broadcom.com, marcel@holtmann.org, johan.hedberg@gmail.com, stefan.wahren@i2se.com Cc: devicetree@vger.kernel.org, linux-bluetooth@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, Loic Poulain Subject: [PATCH v4 3/4] ARM: dts: bcm2837-rpi-3-b: Add bcm43438 serial slave Date: Thu, 17 Aug 2017 19:59:50 +0200 Message-Id: <1502992791-10265-3-git-send-email-loic.poulain@gmail.com> In-Reply-To: <1502992791-10265-1-git-send-email-loic.poulain@gmail.com> References: <1502992791-10265-1-git-send-email-loic.poulain@gmail.com> List-ID: Add BCM43438 (bluetooth) as a slave device of uart0 (pl011/ttyAMA0). This allows to automatically insert the bcm43438 to the bluetooth subsystem instead of relying on userspace helpers (hciattach). Overwrite chosen/stdout-path to use 8250 aux uart as console. Signed-off-by: Loic Poulain --- v2: dt-bindings as separate patch rebase on upcoming pi3 dts changes v3: changes in bcm serdev drivers: name refactoring and additional comments Add generic host_set_baudrate method Use agnostic device_property_read v4: changes in doc and dts: Add additional params to broadcom bt dt-bindings Set the max baudrate to 2000000 instead of 921600 use chosen/stdout-path instead of console= remove useless earlyprintk same changes in bcm283x.dtsi arch/arm/boot/dts/bcm2837-rpi-3-b.dts | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/arch/arm/boot/dts/bcm2837-rpi-3-b.dts b/arch/arm/boot/dts/bcm2837-rpi-3-b.dts index 20725ca..e4488cb 100644 --- a/arch/arm/boot/dts/bcm2837-rpi-3-b.dts +++ b/arch/arm/boot/dts/bcm2837-rpi-3-b.dts @@ -8,6 +8,11 @@ compatible = "raspberrypi,3-model-b", "brcm,bcm2837"; model = "Raspberry Pi 3 Model B"; + chosen { + /* 8250 auxiliar UART instead of pl011 */ + stdout-path = "serial1:115200n8"; + }; + memory { reg = <0 0x40000000>; }; @@ -24,6 +29,11 @@ pinctrl-names = "default"; pinctrl-0 = <&uart0_gpio32 &gpclk2_gpio43>; status = "okay"; + + bluetooth { + compatible = "brcm,bcm43438-bt"; + max-speed = <2000000>; + }; }; /* uart1 is mapped to the pin header */ -- 1.9.1