Hi Marcel, On Tue, Mar 07, 2017 at 10:20:27PM +0100, Marcel Holtmann wrote: >> [...] >> >> - compatible: should contain "nokia,h4p-bluetooth" as well as one of the >> following: >> * "brcm,bcm2048-nokia" >> * "ti,wl1271-blueooth-nokia” > > I never liked the term “h4p”. It is fundamentally just > “bluetooth”.
It's not me, that came up with the term, Nokia called their protocol
H4+ (for DT people not familiar with bluetooth - the standard
bluetooth UART protocol is named H4). I agree, that H4+ is
ambiguous, but with the "nokia," prefix it should be clear what
protocol is meant. I don't really mind, though. We can also just
list the individual chips and add all compatible strings to the
driver.
FWIW I remove the term from the driver leaving only a single
instance in the header ("AKA H4+").
> What are our plans for Broadcom, Intel etc. Bluetooth UARTs?
I think drivers, that need extra resources (like GPIOs) can switch to
serdev exclusively. The kernel needs ACPI/DT/boardcode data for those
devices anyways.
Iirc Rob is working on serdev patches for Broadcom and TI BT, so he may
provide more information.
-- Sebastian
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