Return-Path: From: Loic Poulain To: marcel@holtmann.org, johan.hedberg@gmail.com, robh+dt@kernel.org, rjui@broadcom.com, sbranden@broadcom.com, f.fainelli@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 v3 2/3] ARM: dts: bcm2837-rpi-3-b: Add bcm43438 as serial slave Date: Mon, 7 Aug 2017 12:39:25 +0200 Message-Id: <1502102366-2760-2-git-send-email-loic.poulain@gmail.com> In-Reply-To: <1502102366-2760-1-git-send-email-loic.poulain@gmail.com> References: <1502102366-2760-1-git-send-email-loic.poulain@gmail.com> List-ID: Add BCM43438 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 bootargs to use 8250 aux uart (ttyS0) as console instead of pl011/ttyAMA0. 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 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..5abc1df 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 */ + bootargs = "earlyprintk console=ttyS0,115200"; + }; + 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 = <921600>; + }; }; /* uart1 is mapped to the pin header */ -- 1.9.1