Merge branch 'x86/pebs' into x86-v28-for-linus-phase1
[linux-2.6] / arch / arm / mach-omap1 / board-palmtt.c
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
26 #include <mach/hardware.h>
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
32 #include <mach/led.h>
33 #include <mach/mcbsp.h>
34 #include <mach/gpio.h>
35 #include <mach/mux.h>
36 #include <mach/usb.h>
37 #include <mach/dma.h>
38 #include <mach/tc.h>
39 #include <mach/board.h>
40 #include <mach/irda.h>
41 #include <mach/keypad.h>
42 #include <mach/common.h>
43 #include <mach/omap-alsa.h>
44
45 #include <linux/spi/spi.h>
46 #include <linux/spi/ads7846.h>
47
48 static int palmtt_keymap[] = {
49         KEY(0, 0, KEY_ESC),
50         KEY(0, 1, KEY_SPACE),
51         KEY(0, 2, KEY_LEFTCTRL),
52         KEY(0, 3, KEY_TAB),
53         KEY(0, 4, KEY_ENTER),
54         KEY(1, 0, KEY_LEFT),
55         KEY(1, 1, KEY_DOWN),
56         KEY(1, 2, KEY_UP),
57         KEY(1, 3, KEY_RIGHT),
58         KEY(2, 0, KEY_SLEEP),
59         KEY(2, 4, KEY_Y),
60         0
61 };
62
63 static struct mtd_partition palmtt_partitions[] = {
64         {
65                 .name           = "write8k",
66                 .offset         = 0,
67                 .size           = SZ_8K,
68                 .mask_flags     = 0,
69         },
70         {
71                 .name           = "PalmOS-BootLoader(ro)",
72                 .offset         = SZ_8K,
73                 .size           = 7 * SZ_8K,
74                 .mask_flags     = MTD_WRITEABLE,
75         },
76         {
77                 .name           = "u-boot",
78                 .offset         = MTDPART_OFS_APPEND,
79                 .size           = 8 * SZ_8K,
80                 .mask_flags     = 0,
81         },
82         {
83                 .name           = "PalmOS-FS(ro)",
84                 .offset         = MTDPART_OFS_APPEND,
85                 .size           = 7 * SZ_1M + 4 * SZ_64K - 16 * SZ_8K,
86                 .mask_flags     = MTD_WRITEABLE,
87         },
88         {
89                 .name           = "u-boot(rez)",
90                 .offset         = MTDPART_OFS_APPEND,
91                 .size           = SZ_128K,
92                 .mask_flags     = 0
93         },
94         {
95                 .name           = "empty",
96                 .offset         = MTDPART_OFS_APPEND,
97                 .size           = MTDPART_SIZ_FULL,
98                 .mask_flags     = 0
99         }
100 };
101
102 static struct flash_platform_data palmtt_flash_data = {
103         .map_name       = "cfi_probe",
104         .width          = 2,
105         .parts          = palmtt_partitions,
106         .nr_parts       = ARRAY_SIZE(palmtt_partitions),
107 };
108
109 static struct resource palmtt_flash_resource = {
110         .start          = OMAP_CS0_PHYS,
111         .end            = OMAP_CS0_PHYS + SZ_8M - 1,
112         .flags          = IORESOURCE_MEM,
113 };
114
115 static struct platform_device palmtt_flash_device = {
116         .name           = "omapflash",
117         .id             = 0,
118         .dev            = {
119                 .platform_data  = &palmtt_flash_data,
120         },
121         .num_resources  = 1,
122         .resource       = &palmtt_flash_resource,
123 };
124
125 #define DEFAULT_BITPERSAMPLE 16
126
127 static struct omap_mcbsp_reg_cfg mcbsp_regs = {
128         .spcr2          = FREE | FRST | GRST | XRST | XINTM(3),
129         .spcr1          = RINTM(3) | RRST,
130         .rcr2           = RPHASE | RFRLEN2(OMAP_MCBSP_WORD_8) |
131                                 RWDLEN2(OMAP_MCBSP_WORD_16) | RDATDLY(0),
132         .rcr1           = RFRLEN1(OMAP_MCBSP_WORD_8) |
133                                 RWDLEN1(OMAP_MCBSP_WORD_16),
134         .xcr2           = XPHASE | XFRLEN2(OMAP_MCBSP_WORD_8) |
135                                 XWDLEN2(OMAP_MCBSP_WORD_16) | XDATDLY(0) | XFIG,
136         .xcr1           = XFRLEN1(OMAP_MCBSP_WORD_8) |
137                                 XWDLEN1(OMAP_MCBSP_WORD_16),
138         .srgr1          = FWID(DEFAULT_BITPERSAMPLE - 1),
139         .srgr2          = GSYNC | CLKSP | FSGM |
140                                 FPER(DEFAULT_BITPERSAMPLE * 2 - 1),
141         .pcr0           = CLKXP | CLKRP,        /* mcbsp: slave */
142 };
143
144 static struct omap_alsa_codec_config alsa_config = {
145         .name                   = "PalmTT AIC23",
146         .mcbsp_regs_alsa        = &mcbsp_regs,
147         .codec_configure_dev    = NULL, /* aic23_configure, */
148         .codec_set_samplerate   = NULL, /* aic23_set_samplerate, */
149         .codec_clock_setup      = NULL, /* aic23_clock_setup, */
150         .codec_clock_on         = NULL, /* aic23_clock_on, */
151         .codec_clock_off        = NULL, /* aic23_clock_off, */
152         .get_default_samplerate = NULL, /* aic23_get_default_samplerate, */
153 };
154
155 static struct platform_device palmtt_mcbsp1_device = {
156         .name   = "omap_alsa_mcbsp",
157         .id     = 1,
158         .dev    = {
159                 .platform_data  = &alsa_config,
160         },
161 };
162
163 static struct resource palmtt_kp_resources[] = {
164         [0] = {
165                 .start  = INT_KEYBOARD,
166                 .end    = INT_KEYBOARD,
167                 .flags  = IORESOURCE_IRQ,
168         },
169 };
170
171 static struct omap_kp_platform_data palmtt_kp_data = {
172         .rows   = 6,
173         .cols   = 3,
174         .keymap = palmtt_keymap,
175 };
176
177 static struct platform_device palmtt_kp_device = {
178         .name           = "omap-keypad",
179         .id             = -1,
180         .dev            = {
181                 .platform_data = &palmtt_kp_data,
182         },
183         .num_resources  = ARRAY_SIZE(palmtt_kp_resources),
184         .resource       = palmtt_kp_resources,
185 };
186
187 static struct platform_device palmtt_lcd_device = {
188         .name           = "lcd_palmtt",
189         .id             = -1,
190 };
191 static struct omap_irda_config palmtt_irda_config = {
192         .transceiver_cap        = IR_SIRMODE,
193         .rx_channel             = OMAP_DMA_UART3_RX,
194         .tx_channel             = OMAP_DMA_UART3_TX,
195         .dest_start             = UART3_THR,
196         .src_start              = UART3_RHR,
197         .tx_trigger             = 0,
198         .rx_trigger             = 0,
199 };
200
201 static struct resource palmtt_irda_resources[] = {
202         [0]     = {
203                 .start  = INT_UART3,
204                 .end    = INT_UART3,
205                 .flags  = IORESOURCE_IRQ,
206         },
207 };
208
209 static struct platform_device palmtt_irda_device = {
210         .name           = "omapirda",
211         .id             = -1,
212         .dev            = {
213                 .platform_data  = &palmtt_irda_config,
214         },
215         .num_resources  = ARRAY_SIZE(palmtt_irda_resources),
216         .resource       = palmtt_irda_resources,
217 };
218
219 static struct platform_device palmtt_spi_device = {
220         .name           = "spi_palmtt",
221         .id             = -1,
222 };
223
224 static struct omap_backlight_config palmtt_backlight_config = {
225         .default_intensity      = 0xa0,
226 };
227
228 static struct platform_device palmtt_backlight_device = {
229         .name           = "omap-bl",
230         .id             = -1,
231         .dev            = {
232                 .platform_data= &palmtt_backlight_config,
233         },
234 };
235
236 static struct omap_led_config palmtt_led_config[] = {
237         {
238                 .cdev   = {
239                         .name   = "palmtt:led0",
240                 },
241                 .gpio   = PALMTT_LED_GPIO,
242         },
243 };
244
245 static struct omap_led_platform_data palmtt_led_data = {
246         .nr_leds        = ARRAY_SIZE(palmtt_led_config),
247         .leds           = palmtt_led_config,
248 };
249
250 static struct platform_device palmtt_led_device = {
251         .name   = "omap-led",
252         .id     = -1,
253         .dev    = {
254                 .platform_data  = &palmtt_led_data,
255         },
256 };
257
258 static struct platform_device *palmtt_devices[] __initdata = {
259         &palmtt_flash_device,
260         &palmtt_mcbsp1_device,
261         &palmtt_kp_device,
262         &palmtt_lcd_device,
263         &palmtt_irda_device,
264         &palmtt_spi_device,
265         &palmtt_backlight_device,
266         &palmtt_led_device,
267 };
268
269 static int palmtt_get_pendown_state(void)
270 {
271         return !omap_get_gpio_datain(6);
272 }
273
274 static const struct ads7846_platform_data palmtt_ts_info = {
275         .model                  = 7846,
276         .vref_delay_usecs       = 100,  /* internal, no capacitor */
277         .x_plate_ohms           = 419,
278         .y_plate_ohms           = 486,
279         .get_pendown_state      = palmtt_get_pendown_state,
280 };
281
282 static struct spi_board_info __initdata palmtt_boardinfo[] = {
283         {
284                 /* MicroWire (bus 2) CS0 has an ads7846e */
285                 .modalias       = "ads7846",
286                 .platform_data  = &palmtt_ts_info,
287                 .irq            = OMAP_GPIO_IRQ(6),
288                 .max_speed_hz   = 120000        /* max sample rate at 3V */
289                                         * 26    /* command + data + overhead */,
290                 .bus_num        = 2,
291                 .chip_select    = 0,
292         }
293 };
294
295 static void __init omap_palmtt_init_irq(void)
296 {
297         omap1_init_common_hw();
298         omap_init_irq();
299 }
300
301 static struct omap_usb_config palmtt_usb_config __initdata = {
302         .register_dev   = 1,
303         .hmc_mode       = 0,
304         .pins[0]        = 2,
305 };
306
307 static struct omap_lcd_config palmtt_lcd_config __initdata = {
308         .ctrl_name      = "internal",
309 };
310
311 static struct omap_uart_config palmtt_uart_config __initdata = {
312         .enabled_uarts = (1 << 0) | (1 << 1) | (0 << 2),
313 };
314
315 static struct omap_board_config_kernel palmtt_config[] __initdata = {
316         { OMAP_TAG_USB,         &palmtt_usb_config      },
317         { OMAP_TAG_LCD,         &palmtt_lcd_config      },
318         { OMAP_TAG_UART,        &palmtt_uart_config     },
319 };
320
321 static void __init omap_mpu_wdt_mode(int mode) {
322         if (mode)
323                 omap_writew(0x8000, OMAP_WDT_TIMER_MODE);
324         else {
325                 omap_writew(0x00f5, OMAP_WDT_TIMER_MODE);
326                 omap_writew(0x00a0, OMAP_WDT_TIMER_MODE);
327         }
328 }
329
330 static void __init omap_palmtt_init(void)
331 {
332         omap_mpu_wdt_mode(0);
333
334         omap_board_config = palmtt_config;
335         omap_board_config_size = ARRAY_SIZE(palmtt_config);
336
337         platform_add_devices(palmtt_devices, ARRAY_SIZE(palmtt_devices));
338
339         spi_register_board_info(palmtt_boardinfo,ARRAY_SIZE(palmtt_boardinfo));
340         omap_serial_init();
341         omap_register_i2c_bus(1, 100, NULL, 0);
342 }
343
344 static void __init omap_palmtt_map_io(void)
345 {
346         omap1_map_common_io();
347 }
348
349 MACHINE_START(OMAP_PALMTT, "OMAP1510 based Palm Tungsten|T")
350         .phys_io        = 0xfff00000,
351         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
352         .boot_params    = 0x10000100,
353         .map_io         = omap_palmtt_map_io,
354         .init_irq       = omap_palmtt_init_irq,
355         .init_machine   = omap_palmtt_init,
356         .timer          = &omap_timer,
357 MACHINE_END