[PATCH v5 2/2] ARM: dts: bcm2837-rpi-3-b: Add bcm43438 serial slave

[Loic Poulain <loic.poulain-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>]

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.

Acked-by: Rob Herring <robh-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Signed-off-by: Loic Poulain <loic.poulain-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
---
 arch/arm/boot/dts/bcm2837-rpi-3-b.dts | 10 ++++++++++
 1 file changed, 10 insertions(+)

 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
 v5: remove 1/4 dt-bindings and 4/4 hci_bcm serdev support
     1/4 and 4/4 merged in bluetooth-next tree

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

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