BCM2048 bluetooth connected over OMAP serial

From: Pavel Machek
Date: Wed Dec 10 2014 - 11:43:42 EST


Hi!

So, there's bluetooth chip that's connected to the SoC by UART and some
GPIOs. What would be right representation in the device tree?
Something like this?

bluetooth {
compatible = "broadcom,bcm2048";
uart = <&uart2>;
reset-gpios = <&gpio3 27 GPIO_ACTIVE_HIGH>; /* want 91 */
host-wakeup-gpios = <&gpio4 5 GPIO_ACTIVE_HIGH>; /* want 101 */
bluetooth-wakeup-gpios = <&gpio2 5 GPIO_ACTIVE_HIGH>; /* want 37 */
chip-type = <3>;
bt-sysclk = <2>;
reset-gpio-shared = <0>;
};

Is there some way to prevent OMAP tty driver from binding to the
device and exporting the device to userspace?

Best regards,
Pavel

--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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