GNU Linux-libre 4.19.264-gnu1
[releases.git] / arch / arm / mach-pxa / poodle.c
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>
19 #include <linux/export.h>
20 #include <linux/platform_device.h>
21 #include <linux/fb.h>
22 #include <linux/pm.h>
23 #include <linux/delay.h>
24 #include <linux/mtd/physmap.h>
25 #include <linux/gpio.h>
26 #include <linux/i2c.h>
27 #include <linux/platform_data/i2c-pxa.h>
28 #include <linux/regulator/machine.h>
29 #include <linux/spi/spi.h>
30 #include <linux/spi/ads7846.h>
31 #include <linux/spi/pxa2xx_spi.h>
32 #include <linux/mtd/sharpsl.h>
33 #include <linux/memblock.h>
34
35 #include <mach/hardware.h>
36 #include <asm/mach-types.h>
37 #include <asm/irq.h>
38 #include <asm/setup.h>
39
40 #include <asm/mach/arch.h>
41 #include <asm/mach/map.h>
42 #include <asm/mach/irq.h>
43
44 #include "pxa25x.h"
45 #include <linux/platform_data/mmc-pxamci.h>
46 #include "udc.h"
47 #include <linux/platform_data/irda-pxaficp.h>
48 #include <mach/poodle.h>
49 #include <linux/platform_data/video-pxafb.h>
50
51 #include <asm/hardware/scoop.h>
52 #include <asm/hardware/locomo.h>
53 #include <asm/mach/sharpsl_param.h>
54
55 #include "generic.h"
56 #include "devices.h"
57
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,
69         GPIO25_SSP1_TXD,
70         GPIO26_SSP1_RXD,
71         GPIO24_GPIO,    /* POODLE_GPIO_TP_CS - SFRM as chip select */
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         GPIOxx_LCD_TFT_16BPP,
94
95         /* PC Card */
96         GPIO48_nPOE,
97         GPIO49_nPWE,
98         GPIO50_nPIOR,
99         GPIO51_nPIOW,
100         GPIO52_nPCE_1,
101         GPIO53_nPCE_2,
102         GPIO54_nPSKTSEL,
103         GPIO55_nPREG,
104         GPIO56_nPWAIT,
105         GPIO57_nIOIS16,
106
107         /* MMC */
108         GPIO6_MMC_CLK,
109         GPIO8_MMC_CS0,
110
111         /* GPIO */
112         GPIO9_GPIO,     /* POODLE_GPIO_nSD_DETECT */
113         GPIO7_GPIO,     /* POODLE_GPIO_nSD_WP */
114         GPIO3_GPIO,     /* POODLE_GPIO_SD_PWR */
115         GPIO33_GPIO,    /* POODLE_GPIO_SD_PWR1 */
116
117         GPIO20_GPIO,    /* POODLE_GPIO_USB_PULLUP */
118         GPIO22_GPIO,    /* POODLE_GPIO_IR_ON */
119 };
120
121 static struct resource poodle_scoop_resources[] = {
122         [0] = {
123                 .start          = 0x10800000,
124                 .end            = 0x10800fff,
125                 .flags          = IORESOURCE_MEM,
126         },
127 };
128
129 static struct scoop_config poodle_scoop_setup = {
130         .io_dir         = POODLE_SCOOP_IO_DIR,
131         .io_out         = POODLE_SCOOP_IO_OUT,
132         .gpio_base      = POODLE_SCOOP_GPIO_BASE,
133 };
134
135 struct platform_device poodle_scoop_device = {
136         .name           = "sharp-scoop",
137         .id             = -1,
138         .dev            = {
139                 .platform_data  = &poodle_scoop_setup,
140         },
141         .num_resources  = ARRAY_SIZE(poodle_scoop_resources),
142         .resource       = poodle_scoop_resources,
143 };
144
145 static struct scoop_pcmcia_dev poodle_pcmcia_scoop[] = {
146 {
147         .dev        = &poodle_scoop_device.dev,
148         .irq        = POODLE_IRQ_GPIO_CF_IRQ,
149         .cd_irq     = POODLE_IRQ_GPIO_CF_CD,
150         .cd_irq_str = "PCMCIA0 CD",
151 },
152 };
153
154 static struct scoop_pcmcia_config poodle_pcmcia_config = {
155         .devs         = &poodle_pcmcia_scoop[0],
156         .num_devs     = 1,
157 };
158
159 EXPORT_SYMBOL(poodle_scoop_device);
160
161
162 static struct platform_device poodle_audio_device = {
163         .name   = "poodle-audio",
164         .id     = -1,
165 };
166
167 /* LoCoMo device */
168 static struct resource locomo_resources[] = {
169         [0] = {
170                 .start          = 0x10000000,
171                 .end            = 0x10001fff,
172                 .flags          = IORESOURCE_MEM,
173         },
174         [1] = {
175                 .start          = PXA_GPIO_TO_IRQ(10),
176                 .end            = PXA_GPIO_TO_IRQ(10),
177                 .flags          = IORESOURCE_IRQ,
178         },
179 };
180
181 static struct locomo_platform_data locomo_info = {
182         .irq_base       = IRQ_BOARD_START,
183 };
184
185 struct platform_device poodle_locomo_device = {
186         .name           = "locomo",
187         .id             = 0,
188         .num_resources  = ARRAY_SIZE(locomo_resources),
189         .resource       = locomo_resources,
190         .dev            = {
191                 .platform_data  = &locomo_info,
192         },
193 };
194
195 EXPORT_SYMBOL(poodle_locomo_device);
196
197 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
198 static struct pxa2xx_spi_master poodle_spi_info = {
199         .num_chipselect = 1,
200 };
201
202 static struct ads7846_platform_data poodle_ads7846_info = {
203         .model                  = 7846,
204         .vref_delay_usecs       = 100,
205         .x_plate_ohms           = 419,
206         .y_plate_ohms           = 486,
207         .gpio_pendown           = POODLE_GPIO_TP_INT,
208 };
209
210 static struct pxa2xx_spi_chip poodle_ads7846_chip = {
211         .gpio_cs                = POODLE_GPIO_TP_CS,
212 };
213
214 static struct spi_board_info poodle_spi_devices[] = {
215         {
216                 .modalias       = "ads7846",
217                 .max_speed_hz   = 10000,
218                 .bus_num        = 1,
219                 .platform_data  = &poodle_ads7846_info,
220                 .controller_data= &poodle_ads7846_chip,
221                 .irq            = PXA_GPIO_TO_IRQ(POODLE_GPIO_TP_INT),
222         },
223 };
224
225 static void __init poodle_init_spi(void)
226 {
227         pxa2xx_set_spi_info(1, &poodle_spi_info);
228         spi_register_board_info(ARRAY_AND_SIZE(poodle_spi_devices));
229 }
230 #else
231 static inline void poodle_init_spi(void) {}
232 #endif
233
234 /*
235  * MMC/SD Device
236  *
237  * The card detect interrupt isn't debounced so we delay it by 250ms
238  * to give the card a chance to fully insert/eject.
239  */
240 static int poodle_mci_init(struct device *dev, irq_handler_t poodle_detect_int, void *data)
241 {
242         int err;
243
244         err = gpio_request(POODLE_GPIO_SD_PWR, "SD_PWR");
245         if (err)
246                 goto err_free_2;
247
248         err = gpio_request(POODLE_GPIO_SD_PWR1, "SD_PWR1");
249         if (err)
250                 goto err_free_3;
251
252         gpio_direction_output(POODLE_GPIO_SD_PWR, 0);
253         gpio_direction_output(POODLE_GPIO_SD_PWR1, 0);
254
255         return 0;
256
257 err_free_3:
258         gpio_free(POODLE_GPIO_SD_PWR);
259 err_free_2:
260         return err;
261 }
262
263 static int poodle_mci_setpower(struct device *dev, unsigned int vdd)
264 {
265         struct pxamci_platform_data* p_d = dev->platform_data;
266
267         if ((1 << vdd) & p_d->ocr_mask) {
268                 gpio_set_value(POODLE_GPIO_SD_PWR, 1);
269                 mdelay(2);
270                 gpio_set_value(POODLE_GPIO_SD_PWR1, 1);
271         } else {
272                 gpio_set_value(POODLE_GPIO_SD_PWR1, 0);
273                 gpio_set_value(POODLE_GPIO_SD_PWR, 0);
274         }
275
276         return 0;
277 }
278
279 static void poodle_mci_exit(struct device *dev, void *data)
280 {
281         gpio_free(POODLE_GPIO_SD_PWR1);
282         gpio_free(POODLE_GPIO_SD_PWR);
283 }
284
285 static struct pxamci_platform_data poodle_mci_platform_data = {
286         .detect_delay_ms        = 250,
287         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
288         .init                   = poodle_mci_init,
289         .setpower               = poodle_mci_setpower,
290         .exit                   = poodle_mci_exit,
291         .gpio_card_detect       = POODLE_GPIO_nSD_DETECT,
292         .gpio_card_ro           = POODLE_GPIO_nSD_WP,
293         .gpio_power             = -1,
294 };
295
296
297 /*
298  * Irda
299  */
300 static struct pxaficp_platform_data poodle_ficp_platform_data = {
301         .gpio_pwdown            = POODLE_GPIO_IR_ON,
302         .transceiver_cap        = IR_SIRMODE | IR_OFF,
303 };
304
305
306 /*
307  * USB Device Controller
308  */
309 static struct pxa2xx_udc_mach_info udc_info __initdata = {
310         /* no connect GPIO; poodle can't tell connection status */
311         .gpio_pullup    = POODLE_GPIO_USB_PULLUP,
312 };
313
314
315 /* PXAFB device */
316 static struct pxafb_mode_info poodle_fb_mode = {
317         .pixclock       = 144700,
318         .xres           = 320,
319         .yres           = 240,
320         .bpp            = 16,
321         .hsync_len      = 7,
322         .left_margin    = 11,
323         .right_margin   = 30,
324         .vsync_len      = 2,
325         .upper_margin   = 2,
326         .lower_margin   = 0,
327         .sync           = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
328 };
329
330 static struct pxafb_mach_info poodle_fb_info = {
331         .modes          = &poodle_fb_mode,
332         .num_modes      = 1,
333         .lcd_conn       = LCD_COLOR_TFT_16BPP,
334 };
335
336 static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
337
338 static struct nand_bbt_descr sharpsl_bbt = {
339         .options = 0,
340         .offs = 4,
341         .len = 2,
342         .pattern = scan_ff_pattern
343 };
344
345 static const char * const probes[] = {
346         "cmdlinepart",
347         "ofpart",
348         "sharpslpart",
349         NULL,
350 };
351
352 static struct sharpsl_nand_platform_data sharpsl_nand_platform_data = {
353         .badblock_pattern       = &sharpsl_bbt,
354         .part_parsers           = probes,
355 };
356
357 static struct resource sharpsl_nand_resources[] = {
358         {
359                 .start  = 0x0C000000,
360                 .end    = 0x0C000FFF,
361                 .flags  = IORESOURCE_MEM,
362         },
363 };
364
365 static struct platform_device sharpsl_nand_device = {
366         .name           = "sharpsl-nand",
367         .id             = -1,
368         .resource       = sharpsl_nand_resources,
369         .num_resources  = ARRAY_SIZE(sharpsl_nand_resources),
370         .dev.platform_data      = &sharpsl_nand_platform_data,
371 };
372
373 static struct mtd_partition sharpsl_rom_parts[] = {
374         {
375                 .name   ="Boot PROM Filesystem",
376                 .offset = 0x00120000,
377                 .size   = MTDPART_SIZ_FULL,
378         },
379 };
380
381 static struct physmap_flash_data sharpsl_rom_data = {
382         .width          = 2,
383         .nr_parts       = ARRAY_SIZE(sharpsl_rom_parts),
384         .parts          = sharpsl_rom_parts,
385 };
386
387 static struct resource sharpsl_rom_resources[] = {
388         {
389                 .start  = 0x00000000,
390                 .end    = 0x007fffff,
391                 .flags  = IORESOURCE_MEM,
392         },
393 };
394
395 static struct platform_device sharpsl_rom_device = {
396         .name   = "physmap-flash",
397         .id     = -1,
398         .resource = sharpsl_rom_resources,
399         .num_resources = ARRAY_SIZE(sharpsl_rom_resources),
400         .dev.platform_data = &sharpsl_rom_data,
401 };
402
403 static struct platform_device *devices[] __initdata = {
404         &poodle_locomo_device,
405         &poodle_scoop_device,
406         &poodle_audio_device,
407         &sharpsl_nand_device,
408         &sharpsl_rom_device,
409 };
410
411 static struct i2c_board_info __initdata poodle_i2c_devices[] = {
412         { I2C_BOARD_INFO("wm8731", 0x1b) },
413 };
414
415 static void poodle_poweroff(void)
416 {
417         pxa_restart(REBOOT_HARD, NULL);
418 }
419
420 static void __init poodle_init(void)
421 {
422         int ret = 0;
423
424         pm_power_off = poodle_poweroff;
425
426         PCFR |= PCFR_OPDE;
427
428         pxa2xx_mfp_config(ARRAY_AND_SIZE(poodle_pin_config));
429
430         pxa_set_ffuart_info(NULL);
431         pxa_set_btuart_info(NULL);
432         pxa_set_stuart_info(NULL);
433
434         platform_scoop_config = &poodle_pcmcia_config;
435
436         ret = platform_add_devices(devices, ARRAY_SIZE(devices));
437         if (ret)
438                 pr_warn("poodle: Unable to register LoCoMo device\n");
439
440         pxa_set_fb_info(&poodle_locomo_device.dev, &poodle_fb_info);
441         pxa_set_udc_info(&udc_info);
442         pxa_set_mci_info(&poodle_mci_platform_data);
443         pxa_set_ficp_info(&poodle_ficp_platform_data);
444         pxa_set_i2c_info(NULL);
445         i2c_register_board_info(0, ARRAY_AND_SIZE(poodle_i2c_devices));
446         poodle_init_spi();
447         regulator_has_full_constraints();
448 }
449
450 static void __init fixup_poodle(struct tag *tags, char **cmdline)
451 {
452         sharpsl_save_param();
453         memblock_add(0xa0000000, SZ_32M);
454 }
455
456 MACHINE_START(POODLE, "SHARP Poodle")
457         .fixup          = fixup_poodle,
458         .map_io         = pxa25x_map_io,
459         .nr_irqs        = POODLE_NR_IRQS,       /* 4 for LoCoMo */
460         .init_irq       = pxa25x_init_irq,
461         .handle_irq     = pxa25x_handle_irq,
462         .init_time      = pxa_timer_init,
463         .init_machine   = poodle_init,
464         .restart        = pxa_restart,
465 MACHINE_END