From aa181326b9a08e34b5c5d4bc79836168d9d4b003 Mon Sep 17 00:00:00 2001 From: Stefan Wahren Date: Sun, 25 Feb 2018 15:10:54 +0100 Subject: ARM: dts: bcm2835-rpi-zero-w: Add bcm43438 serial slave 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 Signed-off-by: Eric Anholt --- arch/arm/boot/dts/bcm2835-rpi-zero-w.dts | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) (limited to 'arch/arm/boot/dts/bcm2835-rpi-zero-w.dts') diff --git a/arch/arm/boot/dts/bcm2835-rpi-zero-w.dts b/arch/arm/boot/dts/bcm2835-rpi-zero-w.dts index b8565fc33eea..99fe7065ab96 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"; }; -- cgit v1.2.3