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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 | */ | |
10 | ||
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 | |
a09e64fb | 24 | #include <mach/hardware.h> |
9b6553cd TL |
25 | #include <asm/mach-types.h> |
26 | #include <asm/mach/arch.h> | |
27 | #include <asm/mach/map.h> | |
28 | ||
a09e64fb | 29 | #include <mach/gpio.h> |
ce491cf8 TL |
30 | #include <plat/mux.h> |
31 | #include <plat/usb.h> | |
32 | #include <plat/board.h> | |
33 | #include <plat/keypad.h> | |
34 | #include <plat/common.h> | |
ce491cf8 TL |
35 | #include <plat/hwa742.h> |
36 | #include <plat/lcd_mipid.h> | |
37 | #include <plat/mmc.h> | |
38 | #include <plat/clock.h> | |
9b6553cd | 39 | |
06767fb2 ID |
40 | #define ADS7846_PENDOWN_GPIO 15 |
41 | ||
9b6553cd TL |
42 | static void __init omap_nokia770_init_irq(void) |
43 | { | |
44 | /* On Nokia 770, the SleepX signal is masked with an | |
45 | * MPUIO line by default. It has to be unmasked for it | |
46 | * to become functional */ | |
47 | ||
48 | /* SleepX mask direction */ | |
49 | omap_writew((omap_readw(0xfffb5008) & ~2), 0xfffb5008); | |
50 | /* Unmask SleepX signal */ | |
51 | omap_writew((omap_readw(0xfffb5004) & ~2), 0xfffb5004); | |
52 | ||
53 | omap1_init_common_hw(); | |
741e3a89 | 54 | omap1_init_irq(); |
9b6553cd TL |
55 | } |
56 | ||
da1f026b JK |
57 | static const unsigned int nokia770_keymap[] = { |
58 | KEY(1, 0, GROUP_0 | KEY_UP), | |
59 | KEY(2, 0, GROUP_1 | KEY_F5), | |
60 | KEY(0, 1, GROUP_0 | KEY_LEFT), | |
9b6553cd | 61 | KEY(1, 1, GROUP_0 | KEY_ENTER), |
da1f026b JK |
62 | KEY(2, 1, GROUP_0 | KEY_RIGHT), |
63 | KEY(0, 2, GROUP_1 | KEY_ESC), | |
64 | KEY(1, 2, GROUP_0 | KEY_DOWN), | |
9b6553cd | 65 | KEY(2, 2, GROUP_1 | KEY_F4), |
da1f026b JK |
66 | KEY(0, 3, GROUP_2 | KEY_F7), |
67 | KEY(1, 3, GROUP_2 | KEY_F8), | |
68 | KEY(2, 3, GROUP_2 | KEY_F6), | |
9b6553cd TL |
69 | }; |
70 | ||
71 | static struct resource nokia770_kp_resources[] = { | |
72 | [0] = { | |
73 | .start = INT_KEYBOARD, | |
74 | .end = INT_KEYBOARD, | |
75 | .flags = IORESOURCE_IRQ, | |
76 | }, | |
77 | }; | |
78 | ||
da1f026b JK |
79 | static const struct matrix_keymap_data nokia770_keymap_data = { |
80 | .keymap = nokia770_keymap, | |
81 | .keymap_size = ARRAY_SIZE(nokia770_keymap), | |
82 | }; | |
83 | ||
9b6553cd | 84 | static struct omap_kp_platform_data nokia770_kp_data = { |
4d24607b KS |
85 | .rows = 8, |
86 | .cols = 8, | |
da1f026b | 87 | .keymap_data = &nokia770_keymap_data, |
4d24607b | 88 | .delay = 4, |
9b6553cd TL |
89 | }; |
90 | ||
91 | static struct platform_device nokia770_kp_device = { | |
92 | .name = "omap-keypad", | |
93 | .id = -1, | |
94 | .dev = { | |
95 | .platform_data = &nokia770_kp_data, | |
96 | }, | |
97 | .num_resources = ARRAY_SIZE(nokia770_kp_resources), | |
98 | .resource = nokia770_kp_resources, | |
99 | }; | |
100 | ||
101 | static struct platform_device *nokia770_devices[] __initdata = { | |
a524626b | 102 | &nokia770_kp_device, |
9b6553cd TL |
103 | }; |
104 | ||
06767fb2 ID |
105 | static void mipid_shutdown(struct mipid_platform_data *pdata) |
106 | { | |
107 | if (pdata->nreset_gpio != -1) { | |
108 | printk(KERN_INFO "shutdown LCD\n"); | |
0b84b5ca | 109 | gpio_set_value(pdata->nreset_gpio, 0); |
06767fb2 ID |
110 | msleep(120); |
111 | } | |
112 | } | |
113 | ||
114 | static struct mipid_platform_data nokia770_mipid_platform_data = { | |
115 | .shutdown = mipid_shutdown, | |
116 | }; | |
117 | ||
29ab3c77 | 118 | static void __init mipid_dev_init(void) |
06767fb2 ID |
119 | { |
120 | const struct omap_lcd_config *conf; | |
121 | ||
122 | conf = omap_get_config(OMAP_TAG_LCD, struct omap_lcd_config); | |
123 | if (conf != NULL) { | |
124 | nokia770_mipid_platform_data.nreset_gpio = conf->nreset_gpio; | |
125 | nokia770_mipid_platform_data.data_lines = conf->data_lines; | |
126 | } | |
127 | } | |
128 | ||
29ab3c77 | 129 | static void __init ads7846_dev_init(void) |
06767fb2 | 130 | { |
f2d18fea | 131 | if (gpio_request(ADS7846_PENDOWN_GPIO, "ADS7846 pendown") < 0) |
06767fb2 ID |
132 | printk(KERN_ERR "can't get ads7846 pen down GPIO\n"); |
133 | } | |
134 | ||
135 | static int ads7846_get_pendown_state(void) | |
136 | { | |
0b84b5ca | 137 | return !gpio_get_value(ADS7846_PENDOWN_GPIO); |
06767fb2 ID |
138 | } |
139 | ||
9b6553cd TL |
140 | static struct ads7846_platform_data nokia770_ads7846_platform_data __initdata = { |
141 | .x_max = 0x0fff, | |
142 | .y_max = 0x0fff, | |
143 | .x_plate_ohms = 180, | |
144 | .pressure_max = 255, | |
145 | .debounce_max = 10, | |
146 | .debounce_tol = 3, | |
06767fb2 ID |
147 | .debounce_rep = 1, |
148 | .get_pendown_state = ads7846_get_pendown_state, | |
9b6553cd TL |
149 | }; |
150 | ||
151 | static struct spi_board_info nokia770_spi_board_info[] __initdata = { | |
152 | [0] = { | |
a524626b | 153 | .modalias = "lcd_mipid", |
9b6553cd TL |
154 | .bus_num = 2, |
155 | .chip_select = 3, | |
156 | .max_speed_hz = 12000000, | |
06767fb2 | 157 | .platform_data = &nokia770_mipid_platform_data, |
9b6553cd TL |
158 | }, |
159 | [1] = { | |
160 | .modalias = "ads7846", | |
161 | .bus_num = 2, | |
162 | .chip_select = 0, | |
163 | .max_speed_hz = 2500000, | |
164 | .irq = OMAP_GPIO_IRQ(15), | |
165 | .platform_data = &nokia770_ads7846_platform_data, | |
166 | }, | |
167 | }; | |
168 | ||
088962c2 AQ |
169 | static struct hwa742_platform_data nokia770_hwa742_platform_data = { |
170 | .te_connected = 1, | |
171 | }; | |
172 | ||
29ab3c77 | 173 | static void __init hwa742_dev_init(void) |
088962c2 AQ |
174 | { |
175 | clk_add_alias("hwa_sys_ck", NULL, "bclk", NULL); | |
176 | omapfb_set_ctrl_platform_data(&nokia770_hwa742_platform_data); | |
177 | } | |
9b6553cd TL |
178 | |
179 | /* assume no Mini-AB port */ | |
180 | ||
181 | static struct omap_usb_config nokia770_usb_config __initdata = { | |
182 | .otg = 1, | |
183 | .register_host = 1, | |
184 | .register_dev = 1, | |
185 | .hmc_mode = 16, | |
186 | .pins[0] = 6, | |
187 | }; | |
188 | ||
d8874665 TL |
189 | #if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE) |
190 | ||
191 | #define NOKIA770_GPIO_MMC_POWER 41 | |
192 | #define NOKIA770_GPIO_MMC_SWITCH 23 | |
193 | ||
194 | static int nokia770_mmc_set_power(struct device *dev, int slot, int power_on, | |
195 | int vdd) | |
196 | { | |
bac5b29f | 197 | gpio_set_value(NOKIA770_GPIO_MMC_POWER, power_on); |
d8874665 TL |
198 | return 0; |
199 | } | |
200 | ||
201 | static int nokia770_mmc_get_cover_state(struct device *dev, int slot) | |
202 | { | |
203 | return gpio_get_value(NOKIA770_GPIO_MMC_SWITCH); | |
204 | } | |
205 | ||
206 | static struct omap_mmc_platform_data nokia770_mmc2_data = { | |
207 | .nr_slots = 1, | |
208 | .dma_mask = 0xffffffff, | |
e4d24ec3 | 209 | .max_freq = 12000000, |
d8874665 TL |
210 | .slots[0] = { |
211 | .set_power = nokia770_mmc_set_power, | |
212 | .get_cover_state = nokia770_mmc_get_cover_state, | |
e4d24ec3 | 213 | .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, |
d8874665 | 214 | .name = "mmcblk", |
9b6553cd TL |
215 | }, |
216 | }; | |
217 | ||
d8874665 TL |
218 | static struct omap_mmc_platform_data *nokia770_mmc_data[OMAP16XX_NR_MMC]; |
219 | ||
220 | static void __init nokia770_mmc_init(void) | |
221 | { | |
222 | int ret; | |
223 | ||
224 | ret = gpio_request(NOKIA770_GPIO_MMC_POWER, "MMC power"); | |
225 | if (ret < 0) | |
226 | return; | |
227 | gpio_direction_output(NOKIA770_GPIO_MMC_POWER, 0); | |
228 | ||
229 | ret = gpio_request(NOKIA770_GPIO_MMC_SWITCH, "MMC cover"); | |
230 | if (ret < 0) { | |
231 | gpio_free(NOKIA770_GPIO_MMC_POWER); | |
232 | return; | |
233 | } | |
234 | gpio_direction_input(NOKIA770_GPIO_MMC_SWITCH); | |
235 | ||
236 | /* Only the second MMC controller is used */ | |
237 | nokia770_mmc_data[1] = &nokia770_mmc2_data; | |
238 | omap1_init_mmc(nokia770_mmc_data, OMAP16XX_NR_MMC); | |
239 | } | |
240 | ||
241 | #else | |
242 | static inline void nokia770_mmc_init(void) | |
243 | { | |
244 | } | |
245 | #endif | |
246 | ||
9b6553cd TL |
247 | static void __init omap_nokia770_init(void) |
248 | { | |
9b6553cd TL |
249 | platform_add_devices(nokia770_devices, ARRAY_SIZE(nokia770_devices)); |
250 | spi_register_board_info(nokia770_spi_board_info, | |
251 | ARRAY_SIZE(nokia770_spi_board_info)); | |
9b6553cd | 252 | omap_serial_init(); |
1ed16a86 | 253 | omap_register_i2c_bus(1, 100, NULL, 0); |
088962c2 | 254 | hwa742_dev_init(); |
06767fb2 ID |
255 | ads7846_dev_init(); |
256 | mipid_dev_init(); | |
dd0cdd88 | 257 | omap1_usb_init(&nokia770_usb_config); |
d8874665 | 258 | nokia770_mmc_init(); |
9b6553cd TL |
259 | } |
260 | ||
261 | static void __init omap_nokia770_map_io(void) | |
262 | { | |
263 | omap1_map_common_io(); | |
264 | } | |
265 | ||
266 | MACHINE_START(NOKIA770, "Nokia 770") | |
9b6553cd TL |
267 | .boot_params = 0x10000100, |
268 | .map_io = omap_nokia770_map_io, | |
71ee7dad | 269 | .reserve = omap_reserve, |
9b6553cd TL |
270 | .init_irq = omap_nokia770_init_irq, |
271 | .init_machine = omap_nokia770_init, | |
e74984e4 | 272 | .timer = &omap1_timer, |
9b6553cd | 273 | MACHINE_END |