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dc563b4f MV |
1 | /* |
2 | * linux/arch/arm/mach-omap1/board-palmtt.c | |
3 | * | |
4 | * Modified from board-palmtt2.c | |
5 | * | |
6 | * Modified and amended for Palm Tungsten|T | |
7 | * by Marek Vasut <marek.vasut@gmail.com> | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License version 2 as | |
11 | * published by the Free Software Foundation. | |
12 | */ | |
13 | ||
14 | #include <linux/delay.h> | |
15 | #include <linux/kernel.h> | |
16 | #include <linux/init.h> | |
17 | #include <linux/platform_device.h> | |
18 | #include <linux/notifier.h> | |
19 | #include <linux/clk.h> | |
20 | #include <linux/input.h> | |
21 | #include <linux/interrupt.h> | |
22 | #include <linux/mtd/mtd.h> | |
23 | #include <linux/mtd/partitions.h> | |
24 | #include <linux/leds.h> | |
25 | ||
a09e64fb | 26 | #include <mach/hardware.h> |
dc563b4f MV |
27 | #include <asm/mach-types.h> |
28 | #include <asm/mach/arch.h> | |
29 | #include <asm/mach/map.h> | |
30 | #include <asm/mach/flash.h> | |
31 | ||
a09e64fb | 32 | #include <mach/led.h> |
a09e64fb RK |
33 | #include <mach/gpio.h> |
34 | #include <mach/mux.h> | |
35 | #include <mach/usb.h> | |
36 | #include <mach/dma.h> | |
37 | #include <mach/tc.h> | |
38 | #include <mach/board.h> | |
39 | #include <mach/irda.h> | |
40 | #include <mach/keypad.h> | |
41 | #include <mach/common.h> | |
dc563b4f | 42 | |
dc563b4f MV |
43 | #include <linux/spi/spi.h> |
44 | #include <linux/spi/ads7846.h> | |
45 | ||
b2830810 TL |
46 | #define PALMTT_USBDETECT_GPIO 0 |
47 | #define PALMTT_CABLE_GPIO 1 | |
48 | #define PALMTT_LED_GPIO 3 | |
49 | #define PALMTT_PENIRQ_GPIO 6 | |
50 | #define PALMTT_MMC_WP_GPIO 8 | |
51 | #define PALMTT_HDQ_GPIO 11 | |
52 | ||
dc563b4f MV |
53 | static int palmtt_keymap[] = { |
54 | KEY(0, 0, KEY_ESC), | |
55 | KEY(0, 1, KEY_SPACE), | |
56 | KEY(0, 2, KEY_LEFTCTRL), | |
57 | KEY(0, 3, KEY_TAB), | |
58 | KEY(0, 4, KEY_ENTER), | |
59 | KEY(1, 0, KEY_LEFT), | |
60 | KEY(1, 1, KEY_DOWN), | |
61 | KEY(1, 2, KEY_UP), | |
62 | KEY(1, 3, KEY_RIGHT), | |
63 | KEY(2, 0, KEY_SLEEP), | |
64 | KEY(2, 4, KEY_Y), | |
65 | 0 | |
66 | }; | |
67 | ||
68 | static struct mtd_partition palmtt_partitions[] = { | |
69 | { | |
70 | .name = "write8k", | |
71 | .offset = 0, | |
72 | .size = SZ_8K, | |
73 | .mask_flags = 0, | |
74 | }, | |
75 | { | |
76 | .name = "PalmOS-BootLoader(ro)", | |
77 | .offset = SZ_8K, | |
78 | .size = 7 * SZ_8K, | |
79 | .mask_flags = MTD_WRITEABLE, | |
80 | }, | |
81 | { | |
82 | .name = "u-boot", | |
83 | .offset = MTDPART_OFS_APPEND, | |
84 | .size = 8 * SZ_8K, | |
85 | .mask_flags = 0, | |
86 | }, | |
87 | { | |
88 | .name = "PalmOS-FS(ro)", | |
89 | .offset = MTDPART_OFS_APPEND, | |
90 | .size = 7 * SZ_1M + 4 * SZ_64K - 16 * SZ_8K, | |
91 | .mask_flags = MTD_WRITEABLE, | |
92 | }, | |
93 | { | |
94 | .name = "u-boot(rez)", | |
95 | .offset = MTDPART_OFS_APPEND, | |
96 | .size = SZ_128K, | |
97 | .mask_flags = 0 | |
98 | }, | |
99 | { | |
100 | .name = "empty", | |
101 | .offset = MTDPART_OFS_APPEND, | |
102 | .size = MTDPART_SIZ_FULL, | |
103 | .mask_flags = 0 | |
104 | } | |
105 | }; | |
106 | ||
107 | static struct flash_platform_data palmtt_flash_data = { | |
108 | .map_name = "cfi_probe", | |
109 | .width = 2, | |
110 | .parts = palmtt_partitions, | |
111 | .nr_parts = ARRAY_SIZE(palmtt_partitions), | |
112 | }; | |
113 | ||
114 | static struct resource palmtt_flash_resource = { | |
115 | .start = OMAP_CS0_PHYS, | |
116 | .end = OMAP_CS0_PHYS + SZ_8M - 1, | |
117 | .flags = IORESOURCE_MEM, | |
118 | }; | |
119 | ||
120 | static struct platform_device palmtt_flash_device = { | |
121 | .name = "omapflash", | |
122 | .id = 0, | |
123 | .dev = { | |
124 | .platform_data = &palmtt_flash_data, | |
125 | }, | |
126 | .num_resources = 1, | |
127 | .resource = &palmtt_flash_resource, | |
128 | }; | |
129 | ||
dc563b4f MV |
130 | static struct resource palmtt_kp_resources[] = { |
131 | [0] = { | |
132 | .start = INT_KEYBOARD, | |
133 | .end = INT_KEYBOARD, | |
134 | .flags = IORESOURCE_IRQ, | |
135 | }, | |
136 | }; | |
137 | ||
138 | static struct omap_kp_platform_data palmtt_kp_data = { | |
139 | .rows = 6, | |
140 | .cols = 3, | |
141 | .keymap = palmtt_keymap, | |
142 | }; | |
143 | ||
144 | static struct platform_device palmtt_kp_device = { | |
145 | .name = "omap-keypad", | |
146 | .id = -1, | |
147 | .dev = { | |
148 | .platform_data = &palmtt_kp_data, | |
149 | }, | |
150 | .num_resources = ARRAY_SIZE(palmtt_kp_resources), | |
151 | .resource = palmtt_kp_resources, | |
152 | }; | |
153 | ||
154 | static struct platform_device palmtt_lcd_device = { | |
155 | .name = "lcd_palmtt", | |
156 | .id = -1, | |
157 | }; | |
158 | static struct omap_irda_config palmtt_irda_config = { | |
159 | .transceiver_cap = IR_SIRMODE, | |
160 | .rx_channel = OMAP_DMA_UART3_RX, | |
161 | .tx_channel = OMAP_DMA_UART3_TX, | |
162 | .dest_start = UART3_THR, | |
163 | .src_start = UART3_RHR, | |
164 | .tx_trigger = 0, | |
165 | .rx_trigger = 0, | |
166 | }; | |
167 | ||
168 | static struct resource palmtt_irda_resources[] = { | |
169 | [0] = { | |
170 | .start = INT_UART3, | |
171 | .end = INT_UART3, | |
172 | .flags = IORESOURCE_IRQ, | |
173 | }, | |
174 | }; | |
175 | ||
176 | static struct platform_device palmtt_irda_device = { | |
177 | .name = "omapirda", | |
178 | .id = -1, | |
179 | .dev = { | |
180 | .platform_data = &palmtt_irda_config, | |
181 | }, | |
182 | .num_resources = ARRAY_SIZE(palmtt_irda_resources), | |
183 | .resource = palmtt_irda_resources, | |
184 | }; | |
185 | ||
186 | static struct platform_device palmtt_spi_device = { | |
187 | .name = "spi_palmtt", | |
188 | .id = -1, | |
189 | }; | |
190 | ||
191 | static struct omap_backlight_config palmtt_backlight_config = { | |
192 | .default_intensity = 0xa0, | |
193 | }; | |
194 | ||
195 | static struct platform_device palmtt_backlight_device = { | |
196 | .name = "omap-bl", | |
197 | .id = -1, | |
198 | .dev = { | |
199 | .platform_data= &palmtt_backlight_config, | |
200 | }, | |
201 | }; | |
202 | ||
203 | static struct omap_led_config palmtt_led_config[] = { | |
204 | { | |
205 | .cdev = { | |
206 | .name = "palmtt:led0", | |
207 | }, | |
208 | .gpio = PALMTT_LED_GPIO, | |
209 | }, | |
210 | }; | |
211 | ||
212 | static struct omap_led_platform_data palmtt_led_data = { | |
213 | .nr_leds = ARRAY_SIZE(palmtt_led_config), | |
214 | .leds = palmtt_led_config, | |
215 | }; | |
216 | ||
217 | static struct platform_device palmtt_led_device = { | |
218 | .name = "omap-led", | |
219 | .id = -1, | |
220 | .dev = { | |
221 | .platform_data = &palmtt_led_data, | |
222 | }, | |
223 | }; | |
224 | ||
225 | static struct platform_device *palmtt_devices[] __initdata = { | |
226 | &palmtt_flash_device, | |
dc563b4f MV |
227 | &palmtt_kp_device, |
228 | &palmtt_lcd_device, | |
229 | &palmtt_irda_device, | |
230 | &palmtt_spi_device, | |
231 | &palmtt_backlight_device, | |
232 | &palmtt_led_device, | |
233 | }; | |
234 | ||
235 | static int palmtt_get_pendown_state(void) | |
236 | { | |
0b84b5ca | 237 | return !gpio_get_value(6); |
dc563b4f MV |
238 | } |
239 | ||
240 | static const struct ads7846_platform_data palmtt_ts_info = { | |
241 | .model = 7846, | |
242 | .vref_delay_usecs = 100, /* internal, no capacitor */ | |
243 | .x_plate_ohms = 419, | |
244 | .y_plate_ohms = 486, | |
245 | .get_pendown_state = palmtt_get_pendown_state, | |
246 | }; | |
247 | ||
248 | static struct spi_board_info __initdata palmtt_boardinfo[] = { | |
249 | { | |
250 | /* MicroWire (bus 2) CS0 has an ads7846e */ | |
251 | .modalias = "ads7846", | |
252 | .platform_data = &palmtt_ts_info, | |
253 | .irq = OMAP_GPIO_IRQ(6), | |
254 | .max_speed_hz = 120000 /* max sample rate at 3V */ | |
255 | * 26 /* command + data + overhead */, | |
256 | .bus_num = 2, | |
257 | .chip_select = 0, | |
258 | } | |
259 | }; | |
260 | ||
261 | static void __init omap_palmtt_init_irq(void) | |
262 | { | |
263 | omap1_init_common_hw(); | |
264 | omap_init_irq(); | |
265 | } | |
266 | ||
267 | static struct omap_usb_config palmtt_usb_config __initdata = { | |
268 | .register_dev = 1, | |
269 | .hmc_mode = 0, | |
270 | .pins[0] = 2, | |
271 | }; | |
272 | ||
273 | static struct omap_lcd_config palmtt_lcd_config __initdata = { | |
274 | .ctrl_name = "internal", | |
275 | }; | |
276 | ||
e27a93a9 | 277 | static struct omap_board_config_kernel palmtt_config[] __initdata = { |
a524626b | 278 | { OMAP_TAG_LCD, &palmtt_lcd_config }, |
dc563b4f MV |
279 | }; |
280 | ||
281 | static void __init omap_mpu_wdt_mode(int mode) { | |
282 | if (mode) | |
283 | omap_writew(0x8000, OMAP_WDT_TIMER_MODE); | |
284 | else { | |
285 | omap_writew(0x00f5, OMAP_WDT_TIMER_MODE); | |
286 | omap_writew(0x00a0, OMAP_WDT_TIMER_MODE); | |
287 | } | |
288 | } | |
289 | ||
290 | static void __init omap_palmtt_init(void) | |
291 | { | |
292 | omap_mpu_wdt_mode(0); | |
293 | ||
294 | omap_board_config = palmtt_config; | |
295 | omap_board_config_size = ARRAY_SIZE(palmtt_config); | |
296 | ||
297 | platform_add_devices(palmtt_devices, ARRAY_SIZE(palmtt_devices)); | |
298 | ||
299 | spi_register_board_info(palmtt_boardinfo,ARRAY_SIZE(palmtt_boardinfo)); | |
300 | omap_serial_init(); | |
b0b5aa3f | 301 | omap_usb_init(&palmtt_usb_config); |
1ed16a86 | 302 | omap_register_i2c_bus(1, 100, NULL, 0); |
dc563b4f MV |
303 | } |
304 | ||
305 | static void __init omap_palmtt_map_io(void) | |
306 | { | |
307 | omap1_map_common_io(); | |
308 | } | |
309 | ||
310 | MACHINE_START(OMAP_PALMTT, "OMAP1510 based Palm Tungsten|T") | |
311 | .phys_io = 0xfff00000, | |
312 | .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc, | |
313 | .boot_params = 0x10000100, | |
314 | .map_io = omap_palmtt_map_io, | |
315 | .init_irq = omap_palmtt_init_irq, | |
316 | .init_machine = omap_palmtt_init, | |
317 | .timer = &omap_timer, | |
318 | MACHINE_END |