2 * Copyright (C) 2000 Deep Blue Solutions Ltd
3 * Copyright (C) 2002 Shane Nay (shane@minirl.com)
4 * Copyright 2006-2007 Freescale Semiconductor, Inc. All Rights Reserved.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
17 #include <linux/platform_device.h>
18 #include <linux/mtd/mtd.h>
19 #include <linux/mtd/map.h>
20 #include <linux/mtd/partitions.h>
21 #include <linux/mtd/physmap.h>
22 #include <linux/i2c.h>
23 #include <linux/irq.h>
24 #include <mach/common.h>
25 #include <mach/hardware.h>
26 #include <asm/mach-types.h>
27 #include <asm/mach/arch.h>
28 #include <asm/mach/time.h>
29 #include <asm/mach/map.h>
30 #include <linux/gpio.h>
31 #include <mach/iomux-mx27.h>
32 #include <mach/mxc_nand.h>
33 #include <linux/i2c/pca953x.h>
35 #include "devices-imx27.h"
38 static const int mxt_td60_pins[] __initconst = {
124 static const struct mxc_nand_platform_data
125 mxt_td60_nand_board_info __initconst = {
130 static const struct imxi2c_platform_data mxt_td60_i2c0_data __initconst = {
135 static int mxt_td60_pca9557_setup(struct i2c_client *client,
136 unsigned gpio_base, unsigned ngpio,
139 static int mxt_td60_gpio_value[] = {
140 -1, -1, -1, -1, -1, -1, -1, 1
144 for (n = 0; n < ARRAY_SIZE(mxt_td60_gpio_value); ++n) {
145 gpio_request(gpio_base + n, "MXT_TD60 GPIO Exp");
146 if (mxt_td60_gpio_value[n] < 0)
147 gpio_direction_input(gpio_base + n);
149 gpio_direction_output(gpio_base + n,
150 mxt_td60_gpio_value[n]);
151 gpio_export(gpio_base + n, 0);
157 static struct pca953x_platform_data mxt_td60_pca9557_pdata = {
158 .gpio_base = 240, /* place PCA9557 after all MX27 gpio pins */
159 .invert = 0, /* Do not invert */
160 .setup = mxt_td60_pca9557_setup,
163 static struct i2c_board_info mxt_td60_i2c_devices[] = {
165 I2C_BOARD_INFO("pca9557", 0x18),
166 .platform_data = &mxt_td60_pca9557_pdata,
170 static const struct imxi2c_platform_data mxt_td60_i2c1_data __initconst = {
174 static struct i2c_board_info mxt_td60_i2c2_devices[] = {
177 static struct imx_fb_videomode mxt_td60_modes[] = {
180 .name = "Chimei LW700AT9003",
187 .right_margin = 0x68,
189 .upper_margin = 0x0f,
190 .lower_margin = 0x0f,
197 static const struct imx_fb_platform_data mxt_td60_fb_data __initconst = {
198 .mode = mxt_td60_modes,
199 .num_modes = ARRAY_SIZE(mxt_td60_modes),
202 * - HSYNC active high
203 * - VSYNC active high
204 * - clk notenabled while idle
206 * - data not inverted
207 * - data enable low active
208 * - enable sharp mode
215 static int mxt_td60_sdhc1_init(struct device *dev, irq_handler_t detect_irq,
218 return request_irq(IRQ_GPIOF(8), detect_irq, IRQF_TRIGGER_FALLING,
219 "sdhc1-card-detect", data);
222 static void mxt_td60_sdhc1_exit(struct device *dev, void *data)
224 free_irq(IRQ_GPIOF(8), data);
227 static const struct imxmmc_platform_data sdhc1_pdata __initconst = {
228 .init = mxt_td60_sdhc1_init,
229 .exit = mxt_td60_sdhc1_exit,
232 static const struct imxuart_platform_data uart_pdata __initconst = {
233 .flags = IMXUART_HAVE_RTSCTS,
236 static void __init mxt_td60_board_init(void)
238 mxc_gpio_setup_multiple_pins(mxt_td60_pins, ARRAY_SIZE(mxt_td60_pins),
241 imx27_add_imx_uart0(&uart_pdata);
242 imx27_add_imx_uart1(&uart_pdata);
243 imx27_add_imx_uart2(&uart_pdata);
244 imx27_add_mxc_nand(&mxt_td60_nand_board_info);
246 i2c_register_board_info(0, mxt_td60_i2c_devices,
247 ARRAY_SIZE(mxt_td60_i2c_devices));
249 i2c_register_board_info(1, mxt_td60_i2c2_devices,
250 ARRAY_SIZE(mxt_td60_i2c2_devices));
252 imx27_add_imx_i2c(0, &mxt_td60_i2c0_data);
253 imx27_add_imx_i2c(1, &mxt_td60_i2c1_data);
254 imx27_add_imx_fb(&mxt_td60_fb_data);
255 imx27_add_mxc_mmc(0, &sdhc1_pdata);
259 static void __init mxt_td60_timer_init(void)
261 mx27_clocks_init(26000000);
264 static struct sys_timer mxt_td60_timer = {
265 .init = mxt_td60_timer_init,
268 MACHINE_START(MXT_TD60, "Maxtrack i-MXT TD60")
269 /* maintainer: Maxtrack Industrial */
270 .boot_params = MX27_PHYS_OFFSET + 0x100,
271 .map_io = mx27_map_io,
272 .init_irq = mx27_init_irq,
273 .init_machine = mxt_td60_board_init,
274 .timer = &mxt_td60_timer,