summaryrefslogtreecommitdiff
path: root/arch/arm/mach-imx/mach-mxt_td60.c
blob: 58fb0d6539814541bbad256a2cf6e5468cb5640b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
/*
 *  Copyright (C) 2000 Deep Blue Solutions Ltd
 *  Copyright (C) 2002 Shane Nay (shane@minirl.com)
 *  Copyright 2006-2007 Freescale Semiconductor, Inc. All Rights Reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

#include <linux/platform_device.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/map.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
#include <linux/i2c.h>
#include <linux/irq.h>
#include <mach/common.h>
#include <mach/hardware.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include <asm/mach/map.h>
#include <linux/gpio.h>
#include <mach/iomux-mx27.h>
#include <mach/mxc_nand.h>
#include <linux/i2c/pca953x.h>
#include <mach/imxfb.h>
#include <mach/mmc.h>

#include "devices-imx27.h"
#include "devices.h"

static const int mxt_td60_pins[] __initconst = {
	/* UART0 */
	PE12_PF_UART1_TXD,
	PE13_PF_UART1_RXD,
	PE14_PF_UART1_CTS,
	PE15_PF_UART1_RTS,
	/* UART1 */
	PE3_PF_UART2_CTS,
	PE4_PF_UART2_RTS,
	PE6_PF_UART2_TXD,
	PE7_PF_UART2_RXD,
	/* UART2 */
	PE8_PF_UART3_TXD,
	PE9_PF_UART3_RXD,
	PE10_PF_UART3_CTS,
	PE11_PF_UART3_RTS,
	/* FEC */
	PD0_AIN_FEC_TXD0,
	PD1_AIN_FEC_TXD1,
	PD2_AIN_FEC_TXD2,
	PD3_AIN_FEC_TXD3,
	PD4_AOUT_FEC_RX_ER,
	PD5_AOUT_FEC_RXD1,
	PD6_AOUT_FEC_RXD2,
	PD7_AOUT_FEC_RXD3,
	PD8_AF_FEC_MDIO,
	PD9_AIN_FEC_MDC,
	PD10_AOUT_FEC_CRS,
	PD11_AOUT_FEC_TX_CLK,
	PD12_AOUT_FEC_RXD0,
	PD13_AOUT_FEC_RX_DV,
	PD14_AOUT_FEC_RX_CLK,
	PD15_AOUT_FEC_COL,
	PD16_AIN_FEC_TX_ER,
	PF23_AIN_FEC_TX_EN,
	/* I2C1 */
	PD17_PF_I2C_DATA,
	PD18_PF_I2C_CLK,
	/* I2C2 */
	PC5_PF_I2C2_SDA,
	PC6_PF_I2C2_SCL,
	/* FB */
	PA5_PF_LSCLK,
	PA6_PF_LD0,
	PA7_PF_LD1,
	PA8_PF_LD2,
	PA9_PF_LD3,
	PA10_PF_LD4,
	PA11_PF_LD5,
	PA12_PF_LD6,
	PA13_PF_LD7,
	PA14_PF_LD8,
	PA15_PF_LD9,
	PA16_PF_LD10,
	PA17_PF_LD11,
	PA18_PF_LD12,
	PA19_PF_LD13,
	PA20_PF_LD14,
	PA21_PF_LD15,
	PA22_PF_LD16,
	PA23_PF_LD17,
	PA25_PF_CLS,
	PA27_PF_SPL_SPR,
	PA28_PF_HSYNC,
	PA29_PF_VSYNC,
	PA30_PF_CONTRAST,
	PA31_PF_OE_ACD,
	/* OWIRE */
	PE16_AF_OWIRE,
	/* SDHC1*/
	PE18_PF_SD1_D0,
	PE19_PF_SD1_D1,
	PE20_PF_SD1_D2,
	PE21_PF_SD1_D3,
	PE22_PF_SD1_CMD,
	PE23_PF_SD1_CLK,
	PF8_AF_ATA_IORDY,
	/* SDHC2*/
	PB4_PF_SD2_D0,
	PB5_PF_SD2_D1,
	PB6_PF_SD2_D2,
	PB7_PF_SD2_D3,
	PB8_PF_SD2_CMD,
	PB9_PF_SD2_CLK,
};

static const struct mxc_nand_platform_data
mxt_td60_nand_board_info __initconst = {
	.width = 1,
	.hw_ecc = 1,
};

static const struct imxi2c_platform_data mxt_td60_i2c0_data __initconst = {
	.bitrate = 100000,
};

/* PCA9557 */
static int mxt_td60_pca9557_setup(struct i2c_client *client,
				unsigned gpio_base, unsigned ngpio,
				void *context)
{
	static int mxt_td60_gpio_value[] = {
		-1, -1, -1, -1, -1, -1, -1, 1
	};
	int n;

	for (n = 0; n < ARRAY_SIZE(mxt_td60_gpio_value); ++n) {
		gpio_request(gpio_base + n, "MXT_TD60 GPIO Exp");
		if (mxt_td60_gpio_value[n] < 0)
			gpio_direction_input(gpio_base + n);
		else
			gpio_direction_output(gpio_base + n,
						mxt_td60_gpio_value[n]);
		gpio_export(gpio_base + n, 0);
	}

	return 0;
}

static struct pca953x_platform_data mxt_td60_pca9557_pdata = {
	.gpio_base	= 240, /* place PCA9557 after all MX27 gpio pins */
	.invert		= 0, /* Do not invert */
	.setup		= mxt_td60_pca9557_setup,
};

static struct i2c_board_info mxt_td60_i2c_devices[] = {
	{
		I2C_BOARD_INFO("pca9557", 0x18),
		.platform_data = &mxt_td60_pca9557_pdata,
	},
};

static const struct imxi2c_platform_data mxt_td60_i2c1_data __initconst = {
	.bitrate = 100000,
};

static struct i2c_board_info mxt_td60_i2c2_devices[] = {
};

static struct imx_fb_videomode mxt_td60_modes[] = {
	{
		.mode = {
			.name		= "Chimei LW700AT9003",
			.refresh	= 60,
			.xres		= 800,
			.yres		= 480,
			.pixclock	= 30303,
			.hsync_len	= 64,
			.left_margin	= 0x67,
			.right_margin	= 0x68,
			.vsync_len	= 16,
			.upper_margin	= 0x0f,
			.lower_margin	= 0x0f,
		},
		.bpp		= 16,
		.pcr		= 0xFA208B83,
	},
};

static struct imx_fb_platform_data mxt_td60_fb_data = {
	.mode = mxt_td60_modes,
	.num_modes = ARRAY_SIZE(mxt_td60_modes),

	/*
	 * - HSYNC active high
	 * - VSYNC active high
	 * - clk notenabled while idle
	 * - clock inverted
	 * - data not inverted
	 * - data enable low active
	 * - enable sharp mode
	 */
	.pwmr		= 0x00A903FF,
	.lscr1		= 0x00120300,
	.dmacr		= 0x00020010,
};

static int mxt_td60_sdhc1_init(struct device *dev, irq_handler_t detect_irq,
				void *data)
{
	return request_irq(IRQ_GPIOF(8), detect_irq, IRQF_TRIGGER_FALLING,
				"sdhc1-card-detect", data);
}

static void mxt_td60_sdhc1_exit(struct device *dev, void *data)
{
	free_irq(IRQ_GPIOF(8), data);
}

static struct imxmmc_platform_data sdhc1_pdata = {
	.init = mxt_td60_sdhc1_init,
	.exit = mxt_td60_sdhc1_exit,
};

static struct platform_device *platform_devices[] __initdata = {
	&mxc_fec_device,
};

static const struct imxuart_platform_data uart_pdata __initconst = {
	.flags = IMXUART_HAVE_RTSCTS,
};

static void __init mxt_td60_board_init(void)
{
	mxc_gpio_setup_multiple_pins(mxt_td60_pins, ARRAY_SIZE(mxt_td60_pins),
			"MXT_TD60");

	imx27_add_imx_uart0(&uart_pdata);
	imx27_add_imx_uart1(&uart_pdata);
	imx27_add_imx_uart2(&uart_pdata);
	imx27_add_mxc_nand(&mxt_td60_nand_board_info);

	i2c_register_board_info(0, mxt_td60_i2c_devices,
				ARRAY_SIZE(mxt_td60_i2c_devices));

	i2c_register_board_info(1, mxt_td60_i2c2_devices,
				ARRAY_SIZE(mxt_td60_i2c2_devices));

	imx27_add_imx_i2c(0, &mxt_td60_i2c0_data);
	imx27_add_imx_i2c(1, &mxt_td60_i2c1_data);
	mxc_register_device(&mxc_fb_device, &mxt_td60_fb_data);
	mxc_register_device(&mxc_sdhc_device0, &sdhc1_pdata);

	platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
}

static void __init mxt_td60_timer_init(void)
{
	mx27_clocks_init(26000000);
}

static struct sys_timer mxt_td60_timer = {
	.init	= mxt_td60_timer_init,
};

MACHINE_START(MXT_TD60, "Maxtrack i-MXT TD60")
	/* maintainer: Maxtrack Industrial */
	.phys_io	= MX27_AIPI_BASE_ADDR,
	.io_pg_offst	= ((MX27_AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc,
	.boot_params	= MX27_PHYS_OFFSET + 0x100,
	.map_io		= mx27_map_io,
	.init_irq	= mx27_init_irq,
	.init_machine	= mxt_td60_board_init,
	.timer		= &mxt_td60_timer,
MACHINE_END