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
Micka,
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