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9b6553cd TL |
1 | /* |
2 | * linux/arch/arm/mach-omap1/board-nokia770.c | |
3 | * | |
4 | * Modified from board-generic.c | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License version 2 as | |
8 | * published by the Free Software Foundation. | |
9 | */ | |
2f8163ba | 10 | #include <linux/gpio.h> |
9b6553cd TL |
11 | #include <linux/kernel.h> |
12 | #include <linux/init.h> | |
d41d219e | 13 | #include <linux/mutex.h> |
9b6553cd TL |
14 | #include <linux/platform_device.h> |
15 | #include <linux/input.h> | |
16 | #include <linux/clk.h> | |
91773a00 | 17 | #include <linux/omapfb.h> |
9b6553cd TL |
18 | |
19 | #include <linux/spi/spi.h> | |
20 | #include <linux/spi/ads7846.h> | |
19350610 DB |
21 | #include <linux/workqueue.h> |
22 | #include <linux/delay.h> | |
9b6553cd | 23 | |
2203747c AB |
24 | #include <linux/platform_data/keypad-omap.h> |
25 | #include <linux/platform_data/lcd-mipid.h> | |
26 | ||
9b6553cd TL |
27 | #include <asm/mach-types.h> |
28 | #include <asm/mach/arch.h> | |
29 | #include <asm/mach/map.h> | |
30 | ||
70c494c3 | 31 | #include <mach/mux.h> |
9b6553cd | 32 | |
2e3ee9f4 | 33 | #include <mach/hardware.h> |
b924b204 | 34 | #include <mach/usb.h> |
2e3ee9f4 TL |
35 | |
36 | #include "common.h" | |
a135eaae | 37 | #include "clock.h" |
68f39e74 | 38 | #include "mmc.h" |
2e3ee9f4 | 39 | |
06767fb2 ID |
40 | #define ADS7846_PENDOWN_GPIO 15 |
41 | ||
da1f026b JK |
42 | static const unsigned int nokia770_keymap[] = { |
43 | KEY(1, 0, GROUP_0 | KEY_UP), | |
44 | KEY(2, 0, GROUP_1 | KEY_F5), | |
45 | KEY(0, 1, GROUP_0 | KEY_LEFT), | |
9b6553cd | 46 | KEY(1, 1, GROUP_0 | KEY_ENTER), |
da1f026b JK |
47 | KEY(2, 1, GROUP_0 | KEY_RIGHT), |
48 | KEY(0, 2, GROUP_1 | KEY_ESC), | |
49 | KEY(1, 2, GROUP_0 | KEY_DOWN), | |
9b6553cd | 50 | KEY(2, 2, GROUP_1 | KEY_F4), |
da1f026b JK |
51 | KEY(0, 3, GROUP_2 | KEY_F7), |
52 | KEY(1, 3, GROUP_2 | KEY_F8), | |
53 | KEY(2, 3, GROUP_2 | KEY_F6), | |
9b6553cd TL |
54 | }; |
55 | ||
56 | static struct resource nokia770_kp_resources[] = { | |
57 | [0] = { | |
58 | .start = INT_KEYBOARD, | |
59 | .end = INT_KEYBOARD, | |
60 | .flags = IORESOURCE_IRQ, | |
61 | }, | |
62 | }; | |
63 | ||
da1f026b JK |
64 | static const struct matrix_keymap_data nokia770_keymap_data = { |
65 | .keymap = nokia770_keymap, | |
66 | .keymap_size = ARRAY_SIZE(nokia770_keymap), | |
67 | }; | |
68 | ||
9b6553cd | 69 | static struct omap_kp_platform_data nokia770_kp_data = { |
4d24607b KS |
70 | .rows = 8, |
71 | .cols = 8, | |
da1f026b | 72 | .keymap_data = &nokia770_keymap_data, |
4d24607b | 73 | .delay = 4, |
9b6553cd TL |
74 | }; |
75 | ||
76 | static struct platform_device nokia770_kp_device = { | |
77 | .name = "omap-keypad", | |
78 | .id = -1, | |
79 | .dev = { | |
80 | .platform_data = &nokia770_kp_data, | |
81 | }, | |
82 | .num_resources = ARRAY_SIZE(nokia770_kp_resources), | |
83 | .resource = nokia770_kp_resources, | |
84 | }; | |
85 | ||
86 | static struct platform_device *nokia770_devices[] __initdata = { | |
a524626b | 87 | &nokia770_kp_device, |
9b6553cd TL |
88 | }; |
89 | ||
06767fb2 ID |
90 | static void mipid_shutdown(struct mipid_platform_data *pdata) |
91 | { | |
92 | if (pdata->nreset_gpio != -1) { | |
93 | printk(KERN_INFO "shutdown LCD\n"); | |
0b84b5ca | 94 | gpio_set_value(pdata->nreset_gpio, 0); |
06767fb2 ID |
95 | msleep(120); |
96 | } | |
97 | } | |
98 | ||
99 | static struct mipid_platform_data nokia770_mipid_platform_data = { | |
100 | .shutdown = mipid_shutdown, | |
101 | }; | |
102 | ||
ddba6c7f TV |
103 | static struct omap_lcd_config nokia770_lcd_config __initdata = { |
104 | .ctrl_name = "hwa742", | |
105 | }; | |
106 | ||
29ab3c77 | 107 | static void __init mipid_dev_init(void) |
06767fb2 | 108 | { |
ddba6c7f TV |
109 | nokia770_mipid_platform_data.nreset_gpio = 13; |
110 | nokia770_mipid_platform_data.data_lines = 16; | |
06767fb2 | 111 | |
ddba6c7f | 112 | omapfb_set_lcd_config(&nokia770_lcd_config); |
06767fb2 ID |
113 | } |
114 | ||
29ab3c77 | 115 | static void __init ads7846_dev_init(void) |
06767fb2 | 116 | { |
f2d18fea | 117 | if (gpio_request(ADS7846_PENDOWN_GPIO, "ADS7846 pendown") < 0) |
06767fb2 ID |
118 | printk(KERN_ERR "can't get ads7846 pen down GPIO\n"); |
119 | } | |
120 | ||
121 | static int ads7846_get_pendown_state(void) | |
122 | { | |
0b84b5ca | 123 | return !gpio_get_value(ADS7846_PENDOWN_GPIO); |
06767fb2 ID |
124 | } |
125 | ||
9b6553cd TL |
126 | static struct ads7846_platform_data nokia770_ads7846_platform_data __initdata = { |
127 | .x_max = 0x0fff, | |
128 | .y_max = 0x0fff, | |
129 | .x_plate_ohms = 180, | |
130 | .pressure_max = 255, | |
131 | .debounce_max = 10, | |
132 | .debounce_tol = 3, | |
06767fb2 ID |
133 | .debounce_rep = 1, |
134 | .get_pendown_state = ads7846_get_pendown_state, | |
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135 | }; |
136 | ||
137 | static struct spi_board_info nokia770_spi_board_info[] __initdata = { | |
138 | [0] = { | |
a524626b | 139 | .modalias = "lcd_mipid", |
9b6553cd TL |
140 | .bus_num = 2, |
141 | .chip_select = 3, | |
142 | .max_speed_hz = 12000000, | |
06767fb2 | 143 | .platform_data = &nokia770_mipid_platform_data, |
9b6553cd TL |
144 | }, |
145 | [1] = { | |
146 | .modalias = "ads7846", | |
147 | .bus_num = 2, | |
148 | .chip_select = 0, | |
149 | .max_speed_hz = 2500000, | |
9b6553cd TL |
150 | .platform_data = &nokia770_ads7846_platform_data, |
151 | }, | |
152 | }; | |
153 | ||
29ab3c77 | 154 | static void __init hwa742_dev_init(void) |
088962c2 AQ |
155 | { |
156 | clk_add_alias("hwa_sys_ck", NULL, "bclk", NULL); | |
088962c2 | 157 | } |
9b6553cd TL |
158 | |
159 | /* assume no Mini-AB port */ | |
160 | ||
161 | static struct omap_usb_config nokia770_usb_config __initdata = { | |
162 | .otg = 1, | |
163 | .register_host = 1, | |
164 | .register_dev = 1, | |
165 | .hmc_mode = 16, | |
166 | .pins[0] = 6, | |
167 | }; | |
168 | ||
d8874665 TL |
169 | #if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE) |
170 | ||
171 | #define NOKIA770_GPIO_MMC_POWER 41 | |
172 | #define NOKIA770_GPIO_MMC_SWITCH 23 | |
173 | ||
174 | static int nokia770_mmc_set_power(struct device *dev, int slot, int power_on, | |
175 | int vdd) | |
176 | { | |
bac5b29f | 177 | gpio_set_value(NOKIA770_GPIO_MMC_POWER, power_on); |
d8874665 TL |
178 | return 0; |
179 | } | |
180 | ||
181 | static int nokia770_mmc_get_cover_state(struct device *dev, int slot) | |
182 | { | |
183 | return gpio_get_value(NOKIA770_GPIO_MMC_SWITCH); | |
184 | } | |
185 | ||
186 | static struct omap_mmc_platform_data nokia770_mmc2_data = { | |
187 | .nr_slots = 1, | |
e4d24ec3 | 188 | .max_freq = 12000000, |
d8874665 TL |
189 | .slots[0] = { |
190 | .set_power = nokia770_mmc_set_power, | |
191 | .get_cover_state = nokia770_mmc_get_cover_state, | |
e4d24ec3 | 192 | .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, |
d8874665 | 193 | .name = "mmcblk", |
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194 | }, |
195 | }; | |
196 | ||
d8874665 TL |
197 | static struct omap_mmc_platform_data *nokia770_mmc_data[OMAP16XX_NR_MMC]; |
198 | ||
199 | static void __init nokia770_mmc_init(void) | |
200 | { | |
201 | int ret; | |
202 | ||
203 | ret = gpio_request(NOKIA770_GPIO_MMC_POWER, "MMC power"); | |
204 | if (ret < 0) | |
205 | return; | |
206 | gpio_direction_output(NOKIA770_GPIO_MMC_POWER, 0); | |
207 | ||
208 | ret = gpio_request(NOKIA770_GPIO_MMC_SWITCH, "MMC cover"); | |
209 | if (ret < 0) { | |
210 | gpio_free(NOKIA770_GPIO_MMC_POWER); | |
211 | return; | |
212 | } | |
213 | gpio_direction_input(NOKIA770_GPIO_MMC_SWITCH); | |
214 | ||
215 | /* Only the second MMC controller is used */ | |
216 | nokia770_mmc_data[1] = &nokia770_mmc2_data; | |
217 | omap1_init_mmc(nokia770_mmc_data, OMAP16XX_NR_MMC); | |
218 | } | |
219 | ||
220 | #else | |
221 | static inline void nokia770_mmc_init(void) | |
222 | { | |
223 | } | |
224 | #endif | |
225 | ||
9b6553cd TL |
226 | static void __init omap_nokia770_init(void) |
227 | { | |
7b88e62f TL |
228 | /* On Nokia 770, the SleepX signal is masked with an |
229 | * MPUIO line by default. It has to be unmasked for it | |
230 | * to become functional */ | |
231 | ||
232 | /* SleepX mask direction */ | |
233 | omap_writew((omap_readw(0xfffb5008) & ~2), 0xfffb5008); | |
234 | /* Unmask SleepX signal */ | |
235 | omap_writew((omap_readw(0xfffb5004) & ~2), 0xfffb5004); | |
236 | ||
9b6553cd | 237 | platform_add_devices(nokia770_devices, ARRAY_SIZE(nokia770_devices)); |
46a0a540 | 238 | nokia770_spi_board_info[1].irq = gpio_to_irq(15); |
9b6553cd TL |
239 | spi_register_board_info(nokia770_spi_board_info, |
240 | ARRAY_SIZE(nokia770_spi_board_info)); | |
9b6553cd | 241 | omap_serial_init(); |
1ed16a86 | 242 | omap_register_i2c_bus(1, 100, NULL, 0); |
088962c2 | 243 | hwa742_dev_init(); |
06767fb2 ID |
244 | ads7846_dev_init(); |
245 | mipid_dev_init(); | |
dd0cdd88 | 246 | omap1_usb_init(&nokia770_usb_config); |
d8874665 | 247 | nokia770_mmc_init(); |
9b6553cd TL |
248 | } |
249 | ||
9b6553cd | 250 | MACHINE_START(NOKIA770, "Nokia 770") |
246e389d | 251 | .atag_offset = 0x100, |
7b88e62f TL |
252 | .map_io = omap16xx_map_io, |
253 | .init_early = omap1_init_early, | |
7b88e62f | 254 | .init_irq = omap1_init_irq, |
9b6553cd | 255 | .init_machine = omap_nokia770_init, |
82c3bd03 | 256 | .init_late = omap1_init_late, |
e74984e4 | 257 | .timer = &omap1_timer, |
baa95883 | 258 | .restart = omap1_restart, |
9b6553cd | 259 | MACHINE_END |