On Mon, Sep 14, 2015 at 9:42 AM, Micka <[email protected]> wrote: > Hi, > > I'm trying to make rs485 working on the kernel 4.1 : > > &uart1 { > pinctrl-names = "default"; > pinctrl-0 = <&uart1_pins>; > status = "okay"; > rts-gpio = <&gpio0 27 GPIO_ACTIVE_HIGH>; > rs485-rts-active-high; > rs485-rts-delay = <1 1>; > linux,rs485-enabled-at-boot-time; > }; > > but in the boot log I have : > > [ 2.961866] 48022000.serial: ttyS1 at MMIO 0x48022000 (irq = 155, > base_baud = 3000000) is a 8250 > > does it mean that it's the driver 8250 that handle this uart ? > > If it's the case, that not good, because only the driver omap handle rs485. > > When I'm trying to configure the RS485 port, I have the errno = 25 = Not a > typewriter >
switch back to the old omap_serial.c driver The new omap_8250 still needs to be extended to rs485.. Regards, -- Robert Nelson https://rcn-ee.com/ -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
