Return-Path: From: Stefan Wahren To: Loic Poulain , =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20Danis?= , Marcel Holtmann , Johan Hedberg , Eric Anholt , Rob Herring , Mark Rutland Cc: Lukas Wunner , Phil Elwell , Florian Fainelli , linux-bluetooth@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rpi-kernel@lists.infradead.org, devicetree@vger.kernel.org, Stefan Wahren Subject: [PATCH 3/4] ARM: dts: bcm2835-rpi-zero-w: Add bcm43438 serial slave Date: Sun, 25 Feb 2018 15:10:54 +0100 Message-Id: <1519567855-26105-4-git-send-email-stefan.wahren@i2se.com> In-Reply-To: <1519567855-26105-1-git-send-email-stefan.wahren@i2se.com> References: <1519567855-26105-1-git-send-email-stefan.wahren@i2se.com> List-ID: Add BCM43438 (bluetooth) as a serdev slave device of uart0 (pl011/ttyAMA0). This allows to automatically insert the bcm43438 to the bluetooth subsystem instead of relying on patched userspace helpers (hciattach). In order to keep a debug UART we need to switch to uart1. Signed-off-by: Stefan Wahren --- arch/arm/boot/dts/bcm2835-rpi-zero-w.dts | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/bcm2835-rpi-zero-w.dts b/arch/arm/boot/dts/bcm2835-rpi-zero-w.dts index cf53436..b7f79f1 100644 --- a/arch/arm/boot/dts/bcm2835-rpi-zero-w.dts +++ b/arch/arm/boot/dts/bcm2835-rpi-zero-w.dts @@ -131,6 +131,18 @@ &uart0 { pinctrl-names = "default"; - pinctrl-0 = <&uart0_gpio14>; + pinctrl-0 = <&uart0_gpio32 &uart0_ctsrts_gpio30>; + status = "okay"; + + bluetooth { + compatible = "brcm,bcm43438-bt"; + max-speed = <2000000>; + shutdown-gpios = <&gpio 45 GPIO_ACTIVE_HIGH>; + }; +}; + +&uart1 { + pinctrl-names = "default"; + pinctrl-0 = <&uart1_gpio14>; status = "okay"; }; -- 2.7.4