On Sun, Aug 28, 2016 at 06:47:25PM +0200, Martin Blumenstingl wrote: > uart_a_pins: uart_a { > mux { > groups = "uart_tx_a", You shouldn't use underscores in node names. Use hyphens instead, perhaps. https://www.mail-archive.com/linux-kernel%40vger.kernel.org/msg1122967.html https://www.mail-archive.com/linux-kernel%40vger.kernel.org/msg1145633.html -- Rask Ingemann Lambertsen -- To unsubscribe from this list: send the line "unsubscribe linux-gpio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html