Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * linux/arch/arm/mach-pxa/poodle.c | |
3 | * | |
4 | * Support for the SHARP Poodle Board. | |
5 | * | |
6 | * Based on: | |
7 | * linux/arch/arm/mach-pxa/lubbock.c Author: Nicolas Pitre | |
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 | * Change Log | |
14 | * 12-Dec-2002 Sharp Corporation for Poodle | |
15 | * John Lenz <lenz@cs.wisc.edu> updates to 2.6 | |
16 | */ | |
17 | #include <linux/kernel.h> | |
18 | #include <linux/init.h> | |
d052d1be | 19 | #include <linux/platform_device.h> |
1da177e4 | 20 | #include <linux/fb.h> |
74617fb6 | 21 | #include <linux/pm.h> |
88660351 | 22 | #include <linux/delay.h> |
ce529147 | 23 | #include <linux/gpio.h> |
9ee40d9a EM |
24 | #include <linux/spi/spi.h> |
25 | #include <linux/spi/ads7846.h> | |
1da177e4 | 26 | |
a09e64fb | 27 | #include <mach/hardware.h> |
1da177e4 LT |
28 | #include <asm/mach-types.h> |
29 | #include <asm/irq.h> | |
30 | #include <asm/setup.h> | |
74617fb6 | 31 | #include <asm/system.h> |
1da177e4 LT |
32 | |
33 | #include <asm/mach/arch.h> | |
34 | #include <asm/mach/map.h> | |
35 | #include <asm/mach/irq.h> | |
36 | ||
a09e64fb RK |
37 | #include <mach/pxa-regs.h> |
38 | #include <mach/pxa2xx-regs.h> | |
26b4c8dd | 39 | #include <mach/mfp-pxa25x.h> |
a09e64fb RK |
40 | #include <mach/mmc.h> |
41 | #include <mach/udc.h> | |
f8787fdc | 42 | #include <mach/i2c.h> |
a09e64fb RK |
43 | #include <mach/irda.h> |
44 | #include <mach/poodle.h> | |
45 | #include <mach/pxafb.h> | |
46 | #include <mach/sharpsl.h> | |
47 | #include <mach/ssp.h> | |
9ee40d9a | 48 | #include <mach/pxa2xx_spi.h> |
1da177e4 LT |
49 | |
50 | #include <asm/hardware/scoop.h> | |
51 | #include <asm/hardware/locomo.h> | |
52 | #include <asm/mach/sharpsl_param.h> | |
53 | ||
54 | #include "generic.h" | |
46c41e62 | 55 | #include "devices.h" |
faed5684 | 56 | #include "sharpsl.h" |
1da177e4 | 57 | |
26b4c8dd EM |
58 | static unsigned long poodle_pin_config[] __initdata = { |
59 | /* I/O */ | |
60 | GPIO79_nCS_3, | |
61 | GPIO80_nCS_4, | |
62 | GPIO18_RDY, | |
63 | ||
64 | /* Clock */ | |
65 | GPIO12_32KHz, | |
66 | ||
67 | /* SSP1 */ | |
68 | GPIO23_SSP1_SCLK, | |
26b4c8dd EM |
69 | GPIO25_SSP1_TXD, |
70 | GPIO26_SSP1_RXD, | |
9ee40d9a | 71 | GPIO24_GPIO, /* POODLE_GPIO_TP_CS - SFRM as chip select */ |
26b4c8dd EM |
72 | |
73 | /* I2S */ | |
74 | GPIO28_I2S_BITCLK_OUT, | |
75 | GPIO29_I2S_SDATA_IN, | |
76 | GPIO30_I2S_SDATA_OUT, | |
77 | GPIO31_I2S_SYNC, | |
78 | GPIO32_I2S_SYSCLK, | |
79 | ||
80 | /* Infra-Red */ | |
81 | GPIO47_FICP_TXD, | |
82 | GPIO46_FICP_RXD, | |
83 | ||
84 | /* FFUART */ | |
85 | GPIO40_FFUART_DTR, | |
86 | GPIO41_FFUART_RTS, | |
87 | GPIO39_FFUART_TXD, | |
88 | GPIO37_FFUART_DSR, | |
89 | GPIO34_FFUART_RXD, | |
90 | GPIO35_FFUART_CTS, | |
91 | ||
92 | /* LCD */ | |
93 | GPIO58_LCD_LDD_0, | |
94 | GPIO59_LCD_LDD_1, | |
95 | GPIO60_LCD_LDD_2, | |
96 | GPIO61_LCD_LDD_3, | |
97 | GPIO62_LCD_LDD_4, | |
98 | GPIO63_LCD_LDD_5, | |
99 | GPIO64_LCD_LDD_6, | |
100 | GPIO65_LCD_LDD_7, | |
101 | GPIO66_LCD_LDD_8, | |
102 | GPIO67_LCD_LDD_9, | |
103 | GPIO68_LCD_LDD_10, | |
104 | GPIO69_LCD_LDD_11, | |
105 | GPIO70_LCD_LDD_12, | |
106 | GPIO71_LCD_LDD_13, | |
107 | GPIO72_LCD_LDD_14, | |
108 | GPIO73_LCD_LDD_15, | |
109 | GPIO74_LCD_FCLK, | |
110 | GPIO75_LCD_LCLK, | |
111 | GPIO76_LCD_PCLK, | |
112 | GPIO77_LCD_ACBIAS, | |
113 | ||
114 | /* PC Card */ | |
115 | GPIO48_nPOE, | |
116 | GPIO49_nPWE, | |
117 | GPIO50_nPIOR, | |
118 | GPIO51_nPIOW, | |
119 | GPIO52_nPCE_1, | |
120 | GPIO53_nPCE_2, | |
121 | GPIO54_nPSKTSEL, | |
122 | GPIO55_nPREG, | |
123 | GPIO56_nPWAIT, | |
124 | GPIO57_nIOIS16, | |
125 | ||
126 | /* MMC */ | |
127 | GPIO6_MMC_CLK, | |
128 | GPIO8_MMC_CS0, | |
129 | ||
130 | /* GPIO */ | |
131 | GPIO9_GPIO, /* POODLE_GPIO_nSD_DETECT */ | |
132 | GPIO7_GPIO, /* POODLE_GPIO_nSD_WP */ | |
133 | GPIO3_GPIO, /* POODLE_GPIO_SD_PWR */ | |
134 | GPIO33_GPIO, /* POODLE_GPIO_SD_PWR1 */ | |
135 | ||
136 | GPIO20_GPIO, /* POODLE_GPIO_USB_PULLUP */ | |
137 | GPIO22_GPIO, /* POODLE_GPIO_IR_ON */ | |
138 | }; | |
139 | ||
1da177e4 LT |
140 | static struct resource poodle_scoop_resources[] = { |
141 | [0] = { | |
142 | .start = 0x10800000, | |
143 | .end = 0x10800fff, | |
144 | .flags = IORESOURCE_MEM, | |
145 | }, | |
146 | }; | |
147 | ||
148 | static struct scoop_config poodle_scoop_setup = { | |
149 | .io_dir = POODLE_SCOOP_IO_DIR, | |
150 | .io_out = POODLE_SCOOP_IO_OUT, | |
2d91f941 | 151 | .gpio_base = POODLE_SCOOP_GPIO_BASE, |
1da177e4 LT |
152 | }; |
153 | ||
154 | struct platform_device poodle_scoop_device = { | |
155 | .name = "sharp-scoop", | |
156 | .id = -1, | |
157 | .dev = { | |
158 | .platform_data = &poodle_scoop_setup, | |
159 | }, | |
160 | .num_resources = ARRAY_SIZE(poodle_scoop_resources), | |
161 | .resource = poodle_scoop_resources, | |
162 | }; | |
163 | ||
0ce7625f RP |
164 | static struct scoop_pcmcia_dev poodle_pcmcia_scoop[] = { |
165 | { | |
166 | .dev = &poodle_scoop_device.dev, | |
167 | .irq = POODLE_IRQ_GPIO_CF_IRQ, | |
168 | .cd_irq = POODLE_IRQ_GPIO_CF_CD, | |
169 | .cd_irq_str = "PCMCIA0 CD", | |
170 | }, | |
171 | }; | |
172 | ||
a63ae442 RP |
173 | static struct scoop_pcmcia_config poodle_pcmcia_config = { |
174 | .devs = &poodle_pcmcia_scoop[0], | |
175 | .num_devs = 1, | |
a63ae442 RP |
176 | }; |
177 | ||
178 | EXPORT_SYMBOL(poodle_scoop_device); | |
179 | ||
1da177e4 LT |
180 | |
181 | /* LoCoMo device */ | |
182 | static struct resource locomo_resources[] = { | |
183 | [0] = { | |
184 | .start = 0x10000000, | |
185 | .end = 0x10001fff, | |
186 | .flags = IORESOURCE_MEM, | |
187 | }, | |
188 | [1] = { | |
189 | .start = IRQ_GPIO(10), | |
190 | .end = IRQ_GPIO(10), | |
191 | .flags = IORESOURCE_IRQ, | |
192 | }, | |
193 | }; | |
194 | ||
faed5684 | 195 | struct platform_device poodle_locomo_device = { |
1da177e4 LT |
196 | .name = "locomo", |
197 | .id = 0, | |
198 | .num_resources = ARRAY_SIZE(locomo_resources), | |
199 | .resource = locomo_resources, | |
200 | }; | |
201 | ||
faed5684 RP |
202 | EXPORT_SYMBOL(poodle_locomo_device); |
203 | ||
9ee40d9a EM |
204 | #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE) |
205 | static struct pxa2xx_spi_master poodle_spi_info = { | |
206 | .num_chipselect = 1, | |
faed5684 RP |
207 | }; |
208 | ||
9ee40d9a EM |
209 | static struct ads7846_platform_data poodle_ads7846_info = { |
210 | .model = 7846, | |
211 | .vref_delay_usecs = 100, | |
212 | .x_plate_ohms = 419, | |
213 | .y_plate_ohms = 486, | |
214 | .gpio_pendown = POODLE_GPIO_TP_INT, | |
faed5684 RP |
215 | }; |
216 | ||
9ee40d9a | 217 | static void ads7846_cs(u32 command) |
faed5684 | 218 | { |
9ee40d9a | 219 | gpio_set_value(POODLE_GPIO_TP_CS, !(command == PXA2XX_CS_ASSERT)); |
faed5684 RP |
220 | } |
221 | ||
9ee40d9a EM |
222 | static struct pxa2xx_spi_chip poodle_ads7846_chip = { |
223 | .cs_control = ads7846_cs, | |
faed5684 RP |
224 | }; |
225 | ||
9ee40d9a EM |
226 | static struct spi_board_info poodle_spi_devices[] = { |
227 | { | |
228 | .modalias = "ads7846", | |
229 | .max_speed_hz = 10000, | |
230 | .bus_num = 1, | |
231 | .platform_data = &poodle_ads7846_info, | |
232 | .controller_data= &poodle_ads7846_chip, | |
233 | .irq = gpio_to_irq(POODLE_GPIO_TP_INT), | |
faed5684 | 234 | }, |
faed5684 RP |
235 | }; |
236 | ||
9ee40d9a EM |
237 | static void __init poodle_init_spi(void) |
238 | { | |
239 | int err; | |
240 | ||
241 | err = gpio_request(POODLE_GPIO_TP_CS, "ADS7846_CS"); | |
242 | if (err) | |
243 | return; | |
244 | ||
245 | gpio_direction_output(POODLE_GPIO_TP_CS, 1); | |
246 | ||
247 | pxa2xx_set_spi_info(1, &poodle_spi_info); | |
248 | spi_register_board_info(ARRAY_AND_SIZE(poodle_spi_devices)); | |
249 | } | |
250 | #else | |
251 | static inline void poodle_init_spi(void) {} | |
252 | #endif | |
13b9d47e RP |
253 | |
254 | /* | |
255 | * MMC/SD Device | |
256 | * | |
257 | * The card detect interrupt isn't debounced so we delay it by 250ms | |
258 | * to give the card a chance to fully insert/eject. | |
259 | */ | |
260 | static struct pxamci_platform_data poodle_mci_platform_data; | |
261 | ||
40220c1a | 262 | static int poodle_mci_init(struct device *dev, irq_handler_t poodle_detect_int, void *data) |
13b9d47e RP |
263 | { |
264 | int err; | |
265 | ||
ce529147 EM |
266 | err = gpio_request(POODLE_GPIO_nSD_DETECT, "nSD_DETECT"); |
267 | if (err) | |
268 | goto err_out; | |
269 | ||
270 | err = gpio_request(POODLE_GPIO_nSD_WP, "nSD_WP"); | |
271 | if (err) | |
272 | goto err_free_1; | |
273 | ||
274 | err = gpio_request(POODLE_GPIO_SD_PWR, "SD_PWR"); | |
275 | if (err) | |
276 | goto err_free_2; | |
277 | ||
278 | err = gpio_request(POODLE_GPIO_SD_PWR1, "SD_PWR1"); | |
279 | if (err) | |
280 | goto err_free_3; | |
281 | ||
282 | gpio_direction_input(POODLE_GPIO_nSD_DETECT); | |
283 | gpio_direction_input(POODLE_GPIO_nSD_WP); | |
284 | ||
285 | gpio_direction_output(POODLE_GPIO_SD_PWR, 0); | |
286 | gpio_direction_output(POODLE_GPIO_SD_PWR1, 0); | |
13b9d47e RP |
287 | |
288 | poodle_mci_platform_data.detect_delay = msecs_to_jiffies(250); | |
289 | ||
9ded96f2 | 290 | err = request_irq(POODLE_IRQ_GPIO_nSD_DETECT, poodle_detect_int, |
52e405ea | 291 | IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, |
9ded96f2 | 292 | "MMC card detect", data); |
ce529147 EM |
293 | if (err) { |
294 | pr_err("%s: MMC/SD: can't request MMC card detect IRQ\n", | |
295 | __func__); | |
296 | goto err_free_4; | |
297 | } | |
298 | ||
299 | return 0; | |
13b9d47e | 300 | |
ce529147 EM |
301 | err_free_4: |
302 | gpio_free(POODLE_GPIO_SD_PWR1); | |
303 | err_free_3: | |
304 | gpio_free(POODLE_GPIO_SD_PWR); | |
305 | err_free_2: | |
306 | gpio_free(POODLE_GPIO_nSD_WP); | |
307 | err_free_1: | |
308 | gpio_free(POODLE_GPIO_nSD_DETECT); | |
309 | err_out: | |
2687bd38 | 310 | return err; |
13b9d47e RP |
311 | } |
312 | ||
313 | static void poodle_mci_setpower(struct device *dev, unsigned int vdd) | |
314 | { | |
315 | struct pxamci_platform_data* p_d = dev->platform_data; | |
316 | ||
ce529147 EM |
317 | if ((1 << vdd) & p_d->ocr_mask) { |
318 | gpio_set_value(POODLE_GPIO_SD_PWR, 1); | |
88660351 | 319 | mdelay(2); |
ce529147 | 320 | gpio_set_value(POODLE_GPIO_SD_PWR1, 1); |
88660351 | 321 | } else { |
ce529147 EM |
322 | gpio_set_value(POODLE_GPIO_SD_PWR1, 0); |
323 | gpio_set_value(POODLE_GPIO_SD_PWR, 0); | |
88660351 RP |
324 | } |
325 | } | |
326 | ||
327 | static int poodle_mci_get_ro(struct device *dev) | |
328 | { | |
ce529147 | 329 | return !!gpio_get_value(POODLE_GPIO_nSD_WP); |
88660351 | 330 | return GPLR(POODLE_GPIO_nSD_WP) & GPIO_bit(POODLE_GPIO_nSD_WP); |
13b9d47e RP |
331 | } |
332 | ||
88660351 | 333 | |
13b9d47e RP |
334 | static void poodle_mci_exit(struct device *dev, void *data) |
335 | { | |
336 | free_irq(POODLE_IRQ_GPIO_nSD_DETECT, data); | |
ce529147 EM |
337 | gpio_free(POODLE_GPIO_SD_PWR1); |
338 | gpio_free(POODLE_GPIO_SD_PWR); | |
339 | gpio_free(POODLE_GPIO_nSD_WP); | |
340 | gpio_free(POODLE_GPIO_nSD_DETECT); | |
13b9d47e RP |
341 | } |
342 | ||
343 | static struct pxamci_platform_data poodle_mci_platform_data = { | |
344 | .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, | |
345 | .init = poodle_mci_init, | |
88660351 | 346 | .get_ro = poodle_mci_get_ro, |
13b9d47e RP |
347 | .setpower = poodle_mci_setpower, |
348 | .exit = poodle_mci_exit, | |
349 | }; | |
350 | ||
351 | ||
8e4b8715 RP |
352 | /* |
353 | * Irda | |
354 | */ | |
355 | static void poodle_irda_transceiver_mode(struct device *dev, int mode) | |
356 | { | |
ce529147 | 357 | gpio_set_value(POODLE_GPIO_IR_ON, mode & IR_OFF); |
0fc3ff31 | 358 | pxa2xx_transceiver_mode(dev, mode); |
8e4b8715 RP |
359 | } |
360 | ||
ce529147 EM |
361 | static int poodle_irda_startup(struct device *dev) |
362 | { | |
363 | int err; | |
364 | ||
365 | err = gpio_request(POODLE_GPIO_IR_ON, "IR_ON"); | |
366 | if (err) | |
367 | return err; | |
368 | ||
369 | gpio_direction_output(POODLE_GPIO_IR_ON, 1); | |
370 | return 0; | |
371 | } | |
372 | ||
373 | static void poodle_irda_shutdown(struct device *dev) | |
374 | { | |
375 | gpio_free(POODLE_GPIO_IR_ON); | |
376 | } | |
377 | ||
8e4b8715 | 378 | static struct pxaficp_platform_data poodle_ficp_platform_data = { |
ce529147 EM |
379 | .transceiver_cap = IR_SIRMODE | IR_OFF, |
380 | .transceiver_mode = poodle_irda_transceiver_mode, | |
381 | .startup = poodle_irda_startup, | |
382 | .shutdown = poodle_irda_shutdown, | |
8e4b8715 RP |
383 | }; |
384 | ||
385 | ||
13b9d47e RP |
386 | /* |
387 | * USB Device Controller | |
388 | */ | |
13b9d47e RP |
389 | static struct pxa2xx_udc_mach_info udc_info __initdata = { |
390 | /* no connect GPIO; poodle can't tell connection status */ | |
1730aadf | 391 | .gpio_pullup = POODLE_GPIO_USB_PULLUP, |
13b9d47e RP |
392 | }; |
393 | ||
394 | ||
1da177e4 | 395 | /* PXAFB device */ |
d14b272b | 396 | static struct pxafb_mode_info poodle_fb_mode = { |
1da177e4 | 397 | .pixclock = 144700, |
1da177e4 LT |
398 | .xres = 320, |
399 | .yres = 240, | |
400 | .bpp = 16, | |
1da177e4 LT |
401 | .hsync_len = 7, |
402 | .left_margin = 11, | |
403 | .right_margin = 30, | |
1da177e4 LT |
404 | .vsync_len = 2, |
405 | .upper_margin = 2, | |
406 | .lower_margin = 0, | |
407 | .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, | |
d14b272b | 408 | }; |
1da177e4 | 409 | |
d14b272b RP |
410 | static struct pxafb_mach_info poodle_fb_info = { |
411 | .modes = &poodle_fb_mode, | |
412 | .num_modes = 1, | |
cf5eb8c0 | 413 | .lcd_conn = LCD_COLOR_TFT_16BPP, |
1da177e4 LT |
414 | }; |
415 | ||
416 | static struct platform_device *devices[] __initdata = { | |
faed5684 | 417 | &poodle_locomo_device, |
1da177e4 LT |
418 | &poodle_scoop_device, |
419 | }; | |
420 | ||
74617fb6 RP |
421 | static void poodle_poweroff(void) |
422 | { | |
74617fb6 RP |
423 | arm_machine_restart('h'); |
424 | } | |
425 | ||
426 | static void poodle_restart(char mode) | |
427 | { | |
74617fb6 RP |
428 | arm_machine_restart('h'); |
429 | } | |
430 | ||
1da177e4 LT |
431 | static void __init poodle_init(void) |
432 | { | |
433 | int ret = 0; | |
434 | ||
74617fb6 RP |
435 | pm_power_off = poodle_poweroff; |
436 | arm_pm_restart = poodle_restart; | |
437 | ||
f29d2455 RP |
438 | PCFR |= PCFR_OPDE; |
439 | ||
26b4c8dd | 440 | pxa2xx_mfp_config(ARRAY_AND_SIZE(poodle_pin_config)); |
1da177e4 | 441 | |
2b0defd4 | 442 | platform_scoop_config = &poodle_pcmcia_config; |
2b0defd4 EM |
443 | |
444 | ret = platform_add_devices(devices, ARRAY_SIZE(devices)); | |
445 | if (ret) | |
446 | pr_warning("poodle: Unable to register LoCoMo device\n"); | |
447 | ||
faed5684 | 448 | set_pxa_fb_parent(&poodle_locomo_device.dev); |
1da177e4 | 449 | set_pxa_fb_info(&poodle_fb_info); |
13b9d47e RP |
450 | pxa_set_udc_info(&udc_info); |
451 | pxa_set_mci_info(&poodle_mci_platform_data); | |
8e4b8715 | 452 | pxa_set_ficp_info(&poodle_ficp_platform_data); |
f8787fdc | 453 | pxa_set_i2c_info(NULL); |
9ee40d9a | 454 | poodle_init_spi(); |
1da177e4 LT |
455 | } |
456 | ||
457 | static void __init fixup_poodle(struct machine_desc *desc, | |
458 | struct tag *tags, char **cmdline, struct meminfo *mi) | |
459 | { | |
460 | sharpsl_save_param(); | |
b2e6f755 RP |
461 | mi->nr_banks=1; |
462 | mi->bank[0].start = 0xa0000000; | |
463 | mi->bank[0].node = 0; | |
464 | mi->bank[0].size = (32*1024*1024); | |
1da177e4 LT |
465 | } |
466 | ||
1da177e4 | 467 | MACHINE_START(POODLE, "SHARP Poodle") |
e9dea0c6 | 468 | .phys_io = 0x40000000, |
68070bde | 469 | .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, |
e9dea0c6 | 470 | .fixup = fixup_poodle, |
f29d2455 | 471 | .map_io = pxa_map_io, |
cd49104d | 472 | .init_irq = pxa25x_init_irq, |
e9dea0c6 RK |
473 | .timer = &pxa_timer, |
474 | .init_machine = poodle_init, | |
1da177e4 | 475 | MACHINE_END |