Martin Blumenstingl <martin.blumenstingl@xxxxxxxxxxxxxx> writes: > The vendor driver allows setting baud-rates higher than 115200 baud. > There is a check in the vendor driver which prevents using more than > 115200 baud during startup, however it does not have such a check in > .set_termios. > Higher baud-rates are often used by the bluetooth modules embedded into > the SDIO wifi chips (Amlogic devices use brcmfmac based wifi chips quite > often, 2000000 baud seems to be a common value for the UART baud-rate in > Amlogic's "libbt"). > > I have tested this on a Meson GXL device with uart_A (to which the > bluetooth module is connected, where initialization times out with > 115200 baud) and uart_AO (which I manually set to 2000000 baud and then > connected with my USB UART adapter to that). > > Signed-off-by: Martin Blumenstingl <martin.blumenstingl@xxxxxxxxxxxxxx> Acked-by: Kevin Hilman <khilman@xxxxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html