Marcel Holtmann <marcel@xxxxxxxxxxxx> writes:
> Hi,
>
>> 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@xxxxxxxxxx>
>> Signed-off-by: Loic Poulain <loic.poulain@xxxxxxxxx>
>> ---
>> 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>;
>> + };
>> };
>>
>
> the driver for this is already in Linus’ tree. And I would really prefer that we get the DT changes merged in as well.
Now that the separated stdout patch is ready to go, I've applied this
for -next (dropping the chosen node) and I'm sending the PR for both.
Thanks so much for working on this!
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