aboutsummaryrefslogtreecommitdiff
path: root/arch/arm/mach-omap1/board-nokia770.c
blob: f9efc036ba96d3cfbbe669e397aa5dfb5be7eeb3 (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
/*
 * linux/arch/arm/mach-omap1/board-nokia770.c
 *
 * Modified from board-generic.c
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */
#include <linux/gpio.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/mutex.h>
#include <linux/platform_device.h>
#include <linux/input.h>
#include <linux/clk.h>
#include <linux/omapfb.h>

#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>
#include <linux/workqueue.h>
#include <linux/delay.h>

#include <mach/hardware.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>

#include <plat/mux.h>
#include <plat/usb.h>
#include <plat/board.h>
#include <plat/keypad.h>
#include "common.h"
#include <plat/hwa742.h>
#include <plat/lcd_mipid.h>
#include <plat/mmc.h>
#include <plat/clock.h>

#define ADS7846_PENDOWN_GPIO	15

static const unsigned int nokia770_keymap[] = {
	KEY(1, 0, GROUP_0 | KEY_UP),
	KEY(2, 0, GROUP_1 | KEY_F5),
	KEY(0, 1, GROUP_0 | KEY_LEFT),
	KEY(1, 1, GROUP_0 | KEY_ENTER),
	KEY(2, 1, GROUP_0 | KEY_RIGHT),
	KEY(0, 2, GROUP_1 | KEY_ESC),
	KEY(1, 2, GROUP_0 | KEY_DOWN),
	KEY(2, 2, GROUP_1 | KEY_F4),
	KEY(0, 3, GROUP_2 | KEY_F7),
	KEY(1, 3, GROUP_2 | KEY_F8),
	KEY(2, 3, GROUP_2 | KEY_F6),
};

static struct resource nokia770_kp_resources[] = {
	[0] = {
		.start	= INT_KEYBOARD,
		.end	= INT_KEYBOARD,
		.flags	= IORESOURCE_IRQ,
	},
};

static const struct matrix_keymap_data nokia770_keymap_data = {
	.keymap		= nokia770_keymap,
	.keymap_size	= ARRAY_SIZE(nokia770_keymap),
};

static struct omap_kp_platform_data nokia770_kp_data = {
	.rows		= 8,
	.cols		= 8,
	.keymap_data	= &nokia770_keymap_data,
	.delay		= 4,
};

static struct platform_device nokia770_kp_device = {
	.name		= "omap-keypad",
	.id		= -1,
	.dev		= {
		.platform_data = &nokia770_kp_data,
	},
	.num_resources	= ARRAY_SIZE(nokia770_kp_resources),
	.resource	= nokia770_kp_resources,
};

static struct platform_device *nokia770_devices[] __initdata = {
	&nokia770_kp_device,
};

static void mipid_shutdown(struct mipid_platform_data *pdata)
{
	if (pdata->nreset_gpio != -1) {
		printk(KERN_INFO "shutdown LCD\n");
		gpio_set_value(pdata->nreset_gpio, 0);
		msleep(120);
	}
}

static struct mipid_platform_data nokia770_mipid_platform_data = {
	.shutdown = mipid_shutdown,
};

static void __init mipid_dev_init(void)
{
	const struct omap_lcd_config *conf;

	conf = omap_get_config(OMAP_TAG_LCD, struct omap_lcd_config);
	if (conf != NULL) {
		nokia770_mipid_platform_data.nreset_gpio = conf->nreset_gpio;
		nokia770_mipid_platform_data.data_lines = conf->data_lines;
	}
}

static void __init ads7846_dev_init(void)
{
	if (gpio_request(ADS7846_PENDOWN_GPIO, "ADS7846 pendown") < 0)
		printk(KERN_ERR "can't get ads7846 pen down GPIO\n");
}

static int ads7846_get_pendown_state(void)
{
	return !gpio_get_value(ADS7846_PENDOWN_GPIO);
}

static struct ads7846_platform_data nokia770_ads7846_platform_data __initdata = {
	.x_max		= 0x0fff,
	.y_max		= 0x0fff,
	.x_plate_ohms	= 180,
	.pressure_max	= 255,
	.debounce_max	= 10,
	.debounce_tol	= 3,
	.debounce_rep	= 1,
	.get_pendown_state	= ads7846_get_pendown_state,
};

static struct spi_board_info nokia770_spi_board_info[] __initdata = {
	[0] = {
		.modalias       = "lcd_mipid",
		.bus_num        = 2,
		.chip_select    = 3,
		.max_speed_hz   = 12000000,
		.platform_data	= &nokia770_mipid_platform_data,
	},
	[1] = {
		.modalias       = "ads7846",
		.bus_num        = 2,
		.chip_select    = 0,
		.max_speed_hz   = 2500000,
		.irq		= OMAP_GPIO_IRQ(15),
		.platform_data	= &nokia770_ads7846_platform_data,
	},
};

static struct hwa742_platform_data nokia770_hwa742_platform_data = {
	.te_connected		= 1,
};

static void __init hwa742_dev_init(void)
{
	clk_add_alias("hwa_sys_ck", NULL, "bclk", NULL);
	omapfb_set_ctrl_platform_data(&nokia770_hwa742_platform_data);
}

/* assume no Mini-AB port */

static struct omap_usb_config nokia770_usb_config __initdata = {
	.otg		= 1,
	.register_host	= 1,
	.register_dev	= 1,
	.hmc_mode	= 16,
	.pins[0]	= 6,
};

#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)

#define NOKIA770_GPIO_MMC_POWER		41
#define NOKIA770_GPIO_MMC_SWITCH	23

static int nokia770_mmc_set_power(struct device *dev, int slot, int power_on,
				int vdd)
{
	gpio_set_value(NOKIA770_GPIO_MMC_POWER, power_on);
	return 0;
}

static int nokia770_mmc_get_cover_state(struct device *dev, int slot)
{
	return gpio_get_value(NOKIA770_GPIO_MMC_SWITCH);
}

static struct omap_mmc_platform_data nokia770_mmc2_data = {
	.nr_slots                       = 1,
	.dma_mask			= 0xffffffff,
	.max_freq                       = 12000000,
	.slots[0]       = {
		.set_power		= nokia770_mmc_set_power,
		.get_cover_state	= nokia770_mmc_get_cover_state,
		.ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
		.name                   = "mmcblk",
	},
};

static struct omap_mmc_platform_data *nokia770_mmc_data[OMAP16XX_NR_MMC];

static void __init nokia770_mmc_init(void)
{
	int ret;

	ret = gpio_request(NOKIA770_GPIO_MMC_POWER, "MMC power");
	if (ret < 0)
		return;
	gpio_direction_output(NOKIA770_GPIO_MMC_POWER, 0);

	ret = gpio_request(NOKIA770_GPIO_MMC_SWITCH, "MMC cover");
	if (ret < 0) {
		gpio_free(NOKIA770_GPIO_MMC_POWER);
		return;
	}
	gpio_direction_input(NOKIA770_GPIO_MMC_SWITCH);

	/* Only the second MMC controller is used */
	nokia770_mmc_data[1] = &nokia770_mmc2_data;
	omap1_init_mmc(nokia770_mmc_data, OMAP16XX_NR_MMC);
}

#else
static inline void nokia770_mmc_init(void)
{
}
#endif

static void __init omap_nokia770_init(void)
{
	/* On Nokia 770, the SleepX signal is masked with an
	 * MPUIO line by default.  It has to be unmasked for it
	 * to become functional */

	/* SleepX mask direction */
	omap_writew((omap_readw(0xfffb5008) & ~2), 0xfffb5008);
	/* Unmask SleepX signal */
	omap_writew((omap_readw(0xfffb5004) & ~2), 0xfffb5004);

	platform_add_devices(nokia770_devices, ARRAY_SIZE(nokia770_devices));
	spi_register_board_info(nokia770_spi_board_info,
				ARRAY_SIZE(nokia770_spi_board_info));
	omap_serial_init();
	omap_register_i2c_bus(1, 100, NULL, 0);
	hwa742_dev_init();
	ads7846_dev_init();
	mipid_dev_init();
	omap1_usb_init(&nokia770_usb_config);
	nokia770_mmc_init();
}

MACHINE_START(NOKIA770, "Nokia 770")
	.atag_offset	= 0x100,
	.map_io		= omap16xx_map_io,
	.init_early     = omap1_init_early,
	.reserve	= omap_reserve,
	.init_irq	= omap1_init_irq,
	.init_machine	= omap_nokia770_init,
	.timer		= &omap1_timer,
	.restart	= omap1_restart,
MACHINE_END