1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * 4*4882a593Smuzhiyun * Copyright (C) 2007 Christian Pellegrin 5*4882a593Smuzhiyun */ 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun #ifndef _LINUX_SERIAL_MAX3100_H 9*4882a593Smuzhiyun #define _LINUX_SERIAL_MAX3100_H 1 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun /** 13*4882a593Smuzhiyun * struct plat_max3100 - MAX3100 SPI UART platform data 14*4882a593Smuzhiyun * @loopback: force MAX3100 in loopback 15*4882a593Smuzhiyun * @crystal: 1 for 3.6864 Mhz, 0 for 1.8432 16*4882a593Smuzhiyun * @max3100_hw_suspend: MAX3100 has a shutdown pin. This is a hook 17*4882a593Smuzhiyun * called on suspend and resume to activate it. 18*4882a593Smuzhiyun * @poll_time: poll time for CTS signal in ms, 0 disables (so no hw 19*4882a593Smuzhiyun * flow ctrl is possible but you have less CPU usage) 20*4882a593Smuzhiyun * 21*4882a593Smuzhiyun * You should use this structure in your machine description to specify 22*4882a593Smuzhiyun * how the MAX3100 is connected. Example: 23*4882a593Smuzhiyun * 24*4882a593Smuzhiyun * static struct plat_max3100 max3100_plat_data = { 25*4882a593Smuzhiyun * .loopback = 0, 26*4882a593Smuzhiyun * .crystal = 0, 27*4882a593Smuzhiyun * .poll_time = 100, 28*4882a593Smuzhiyun * }; 29*4882a593Smuzhiyun * 30*4882a593Smuzhiyun * static struct spi_board_info spi_board_info[] = { 31*4882a593Smuzhiyun * { 32*4882a593Smuzhiyun * .modalias = "max3100", 33*4882a593Smuzhiyun * .platform_data = &max3100_plat_data, 34*4882a593Smuzhiyun * .irq = IRQ_EINT12, 35*4882a593Smuzhiyun * .max_speed_hz = 5*1000*1000, 36*4882a593Smuzhiyun * .chip_select = 0, 37*4882a593Smuzhiyun * }, 38*4882a593Smuzhiyun * }; 39*4882a593Smuzhiyun * 40*4882a593Smuzhiyun **/ 41*4882a593Smuzhiyun struct plat_max3100 { 42*4882a593Smuzhiyun int loopback; 43*4882a593Smuzhiyun int crystal; 44*4882a593Smuzhiyun void (*max3100_hw_suspend) (int suspend); 45*4882a593Smuzhiyun int poll_time; 46*4882a593Smuzhiyun }; 47*4882a593Smuzhiyun 48*4882a593Smuzhiyun #endif 49