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>
34 #include <mach/imxfb.h>
37 #include "devices-imx27.h"
40 static const int mxt_td60_pins[] __initconst = {
126 static const struct mxc_nand_platform_data
127 mxt_td60_nand_board_info __initconst = {
132 static const struct imxi2c_platform_data mxt_td60_i2c0_data __initconst = {
137 static int mxt_td60_pca9557_setup(struct i2c_client *client,
138 unsigned gpio_base, unsigned ngpio,
141 static int mxt_td60_gpio_value[] = {
142 -1, -1, -1, -1, -1, -1, -1, 1
146 for (n = 0; n < ARRAY_SIZE(mxt_td60_gpio_value); ++n) {
147 gpio_request(gpio_base + n, "MXT_TD60 GPIO Exp");
148 if (mxt_td60_gpio_value[n] < 0)
149 gpio_direction_input(gpio_base + n);
151 gpio_direction_output(gpio_base + n,
152 mxt_td60_gpio_value[n]);
153 gpio_export(gpio_base + n, 0);
159 static struct pca953x_platform_data mxt_td60_pca9557_pdata = {
160 .gpio_base = 240, /* place PCA9557 after all MX27 gpio pins */
161 .invert = 0, /* Do not invert */
162 .setup = mxt_td60_pca9557_setup,
165 static struct i2c_board_info mxt_td60_i2c_devices[] = {
167 I2C_BOARD_INFO("pca9557", 0x18),
168 .platform_data = &mxt_td60_pca9557_pdata,
172 static const struct imxi2c_platform_data mxt_td60_i2c1_data __initconst = {
176 static struct i2c_board_info mxt_td60_i2c2_devices[] = {
179 static struct imx_fb_videomode mxt_td60_modes[] = {
182 .name = "Chimei LW700AT9003",
189 .right_margin = 0x68,
191 .upper_margin = 0x0f,
192 .lower_margin = 0x0f,
199 static struct imx_fb_platform_data mxt_td60_fb_data = {
200 .mode = mxt_td60_modes,
201 .num_modes = ARRAY_SIZE(mxt_td60_modes),
204 * - HSYNC active high
205 * - VSYNC active high
206 * - clk notenabled while idle
208 * - data not inverted
209 * - data enable low active
210 * - enable sharp mode
217 static int mxt_td60_sdhc1_init(struct device *dev, irq_handler_t detect_irq,
220 return request_irq(IRQ_GPIOF(8), detect_irq, IRQF_TRIGGER_FALLING,
221 "sdhc1-card-detect", data);
224 static void mxt_td60_sdhc1_exit(struct device *dev, void *data)
226 free_irq(IRQ_GPIOF(8), data);
229 static struct imxmmc_platform_data sdhc1_pdata = {
230 .init = mxt_td60_sdhc1_init,
231 .exit = mxt_td60_sdhc1_exit,
234 static const struct imxuart_platform_data uart_pdata __initconst = {
235 .flags = IMXUART_HAVE_RTSCTS,
238 static void __init mxt_td60_board_init(void)
240 mxc_gpio_setup_multiple_pins(mxt_td60_pins, ARRAY_SIZE(mxt_td60_pins),
243 imx27_add_imx_uart0(&uart_pdata);
244 imx27_add_imx_uart1(&uart_pdata);
245 imx27_add_imx_uart2(&uart_pdata);
246 imx27_add_mxc_nand(&mxt_td60_nand_board_info);
248 i2c_register_board_info(0, mxt_td60_i2c_devices,
249 ARRAY_SIZE(mxt_td60_i2c_devices));
251 i2c_register_board_info(1, mxt_td60_i2c2_devices,
252 ARRAY_SIZE(mxt_td60_i2c2_devices));
254 imx27_add_imx_i2c(0, &mxt_td60_i2c0_data);
255 imx27_add_imx_i2c(1, &mxt_td60_i2c1_data);
256 mxc_register_device(&mxc_fb_device, &mxt_td60_fb_data);
257 mxc_register_device(&mxc_sdhc_device0, &sdhc1_pdata);
261 static void __init mxt_td60_timer_init(void)
263 mx27_clocks_init(26000000);
266 static struct sys_timer mxt_td60_timer = {
267 .init = mxt_td60_timer_init,
270 MACHINE_START(MXT_TD60, "Maxtrack i-MXT TD60")
271 /* maintainer: Maxtrack Industrial */
272 .boot_params = MX27_PHYS_OFFSET + 0x100,
273 .map_io = mx27_map_io,
274 .init_irq = mx27_init_irq,
275 .init_machine = mxt_td60_board_init,
276 .timer = &mxt_td60_timer,