modprobe openvfd vfd_gpio_chip_name=$vfd_gpio_chip_name vfd_gpio_clk='0,11,0' vfd_gpio_dat='0,12,0' vfd_gpio_stb='0,0,0xff' vfd_chars='4,3,2,1,0' vfd_dot_bits='0,1,3,2,4,5,6' vfd_display_type='0x00,0x00,0x00,0x06' vfd_gpio_chip_name='gpio0'