name : serial_max3100.h /* SPDX-License-Identifier: GPL-2.0-or-later */ /* * * Copyright (C) 2007 Christian Pellegrin */ #ifndef _LINUX_SERIAL_MAX3100_H #define _LINUX_SERIAL_MAX3100_H 1 /** * struct plat_max3100 - MAX3100 SPI UART platform data * @loopback: force MAX3100 in loopback * @crystal: 1 for 3.6864 Mhz, 0 for 1.8432 * @max3100_hw_suspend: MAX3100 has a shutdown pin. This is a hook * called on suspend and resume to activate it. * @poll_time: poll time for CTS signal in ms, 0 disables (so no hw * flow ctrl is possible but you have less CPU usage) * * You should use this structure in your machine description to specify * how the MAX3100 is connected. Example: * * static struct plat_max3100 max3100_plat_data = { * .loopback = 0, * .crystal = 0, * .poll_time = 100, * }; * * static struct spi_board_info spi_board_info[] = { * { * .modalias = "max3100", * .platform_data = &max3100_plat_data, * .irq = IRQ_EINT12, * .max_speed_hz = 5*1000*1000, * .chip_select = 0, * }, * }; * **/ struct plat_max3100 { int loopback; int crystal; void (*max3100_hw_suspend) (int suspend); int poll_time; }; #endif