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[ARM] pxa: add platform device ID table to pxa i2c driver
[linux-2.6-block.git] / arch / arm / mach-pxa / cm-x300.c
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cf75d8d2
MR		 1/*
2 * linux/arch/arm/mach-pxa/cm-x300.c
3 *
4 * Support for the CompuLab CM-X300 modules
5 *
6 * Copyright (C) 2008 CompuLab Ltd.
7 *
8 * Mike Rapoport <mike@compulab.co.il>
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
13 */
14
15#include <linux/module.h>
16#include <linux/kernel.h>
17#include <linux/interrupt.h>
18#include <linux/init.h>
19#include <linux/platform_device.h>
20
21#include <linux/gpio.h>
22#include <linux/dm9000.h>
23#include <linux/leds.h>
24
25#include <linux/i2c.h>
26#include <linux/i2c/pca953x.h>
27
28#include <asm/mach-types.h>
29#include <asm/mach/arch.h>
30
51c62982 31#include <mach/pxa300.h>
cf75d8d2
MR		 32#include <mach/pxafb.h>
33#include <mach/mmc.h>
34#include <mach/ohci.h>
35#include <mach/i2c.h>
36#include <mach/pxa3xx_nand.h>
37
38#include <asm/mach/map.h>
39
40#include "generic.h"
41
42#define CM_X300_ETH_PHYS 0x08000010
43
44#define GPIO82_MMC2_IRQ (82)
45#define GPIO85_MMC2_WP (85)
46
47#define CM_X300_MMC2_IRQ IRQ_GPIO(GPIO82_MMC2_IRQ)
48
49static mfp_cfg_t cm_x300_mfp_cfg[] __initdata = {
50 /* LCD */
51 GPIO54_LCD_LDD_0,
52 GPIO55_LCD_LDD_1,
53 GPIO56_LCD_LDD_2,
54 GPIO57_LCD_LDD_3,
55 GPIO58_LCD_LDD_4,
56 GPIO59_LCD_LDD_5,
57 GPIO60_LCD_LDD_6,
58 GPIO61_LCD_LDD_7,
59 GPIO62_LCD_LDD_8,
60 GPIO63_LCD_LDD_9,
61 GPIO64_LCD_LDD_10,
62 GPIO65_LCD_LDD_11,
63 GPIO66_LCD_LDD_12,
64 GPIO67_LCD_LDD_13,
65 GPIO68_LCD_LDD_14,
66 GPIO69_LCD_LDD_15,
67 GPIO72_LCD_FCLK,
68 GPIO73_LCD_LCLK,
69 GPIO74_LCD_PCLK,
70 GPIO75_LCD_BIAS,
71
72 /* BTUART */
73 GPIO111_UART2_RTS,
74 GPIO112_UART2_RXD | MFP_LPM_EDGE_FALL,
75 GPIO113_UART2_TXD,
76 GPIO114_UART2_CTS | MFP_LPM_EDGE_BOTH,
77
78 /* STUART */
79 GPIO109_UART3_TXD,
80 GPIO110_UART3_RXD | MFP_LPM_EDGE_FALL,
81
82 /* AC97 */
83 GPIO23_AC97_nACRESET,
84 GPIO24_AC97_SYSCLK,
85 GPIO29_AC97_BITCLK,
86 GPIO25_AC97_SDATA_IN_0,
87 GPIO27_AC97_SDATA_OUT,
88 GPIO28_AC97_SYNC,
89
90 /* Keypad */
91 GPIO115_KP_MKIN_0 | MFP_LPM_EDGE_BOTH,
92 GPIO116_KP_MKIN_1 | MFP_LPM_EDGE_BOTH,
93 GPIO117_KP_MKIN_2 | MFP_LPM_EDGE_BOTH,
94 GPIO118_KP_MKIN_3 | MFP_LPM_EDGE_BOTH,
95 GPIO119_KP_MKIN_4 | MFP_LPM_EDGE_BOTH,
96 GPIO120_KP_MKIN_5 | MFP_LPM_EDGE_BOTH,
97 GPIO2_2_KP_MKIN_6 | MFP_LPM_EDGE_BOTH,
98 GPIO3_2_KP_MKIN_7 | MFP_LPM_EDGE_BOTH,
99 GPIO121_KP_MKOUT_0,
100 GPIO122_KP_MKOUT_1,
101 GPIO123_KP_MKOUT_2,
102 GPIO124_KP_MKOUT_3,
103 GPIO125_KP_MKOUT_4,
104 GPIO4_2_KP_MKOUT_5,
105
106 /* MMC1 */
107 GPIO3_MMC1_DAT0,
108 GPIO4_MMC1_DAT1 | MFP_LPM_EDGE_BOTH,
109 GPIO5_MMC1_DAT2,
110 GPIO6_MMC1_DAT3,
111 GPIO7_MMC1_CLK,
112 GPIO8_MMC1_CMD, /* CMD0 for slot 0 */
113
114 /* MMC2 */
115 GPIO9_MMC2_DAT0,
116 GPIO10_MMC2_DAT1 | MFP_LPM_EDGE_BOTH,
117 GPIO11_MMC2_DAT2,
118 GPIO12_MMC2_DAT3,
119 GPIO13_MMC2_CLK,
120 GPIO14_MMC2_CMD,
121
122 /* FFUART */
123 GPIO30_UART1_RXD | MFP_LPM_EDGE_FALL,
124 GPIO31_UART1_TXD,
125 GPIO32_UART1_CTS,
126 GPIO37_UART1_RTS,
127 GPIO33_UART1_DCD,
128 GPIO34_UART1_DSR | MFP_LPM_EDGE_FALL,
129 GPIO35_UART1_RI,
130 GPIO36_UART1_DTR,
131
132 /* GPIOs */
133 GPIO79_GPIO, /* LED */
134 GPIO82_GPIO | MFP_PULL_HIGH, /* MMC CD */
135 GPIO85_GPIO, /* MMC WP */
136 GPIO99_GPIO, /* Ethernet IRQ */
6f584cfa
EM		 137
138 /* Standard I2C */
139 GPIO21_I2C_SCL,
140 GPIO22_I2C_SDA,
cf75d8d2
MR		 141};
142
143#if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
144static struct resource dm9000_resources[] = {
145 [0] = {
146 .start = CM_X300_ETH_PHYS,
147 .end = CM_X300_ETH_PHYS + 0x3,
148 .flags = IORESOURCE_MEM,
149 },
150 [1] = {
151 .start = CM_X300_ETH_PHYS + 0x4,
152 .end = CM_X300_ETH_PHYS + 0x4 + 500,
153 .flags = IORESOURCE_MEM,
154 },
155 [2] = {
156 .start = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO99)),
157 .end = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO99)),
158 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
159 }
160};
161
162static struct dm9000_plat_data cm_x300_dm9000_platdata = {
bff22c9b 163 .flags = DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM,
cf75d8d2
MR		 164};
165
166static struct platform_device dm9000_device = {
167 .name = "dm9000",
168 .id = 0,
169 .num_resources = ARRAY_SIZE(dm9000_resources),
170 .resource = dm9000_resources,
171 .dev = {
172 .platform_data = &cm_x300_dm9000_platdata,
173 }
174
175};
176
177static void __init cm_x300_init_dm9000(void)
178{
179 platform_device_register(&dm9000_device);
180}
181#else
182static inline void cm_x300_init_dm9000(void) {}
183#endif
184
185#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
186static struct pxafb_mode_info cm_x300_lcd_modes[] = {
187 [0] = {
188 .pixclock = 38000,
189 .bpp = 16,
190 .xres = 480,
191 .yres = 640,
192 .hsync_len = 8,
193 .vsync_len = 2,
194 .left_margin = 8,
195 .upper_margin = 0,
196 .right_margin = 24,
197 .lower_margin = 4,
198 .cmap_greyscale = 0,
199 },
200 [1] = {
201 .pixclock = 153800,
202 .bpp = 16,
203 .xres = 240,
204 .yres = 320,
205 .hsync_len = 8,
206 .vsync_len = 2,
207 .left_margin = 8,
208 .upper_margin = 2,
209 .right_margin = 88,
210 .lower_margin = 2,
211 .cmap_greyscale = 0,
212 },
213};
214
215static struct pxafb_mach_info cm_x300_lcd = {
216 .modes = cm_x300_lcd_modes,
217 .num_modes = 2,
218 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
219};
220
221static void __init cm_x300_init_lcd(void)
222{
223 set_pxa_fb_info(&cm_x300_lcd);
224}
225#else
226static inline void cm_x300_init_lcd(void) {}
227#endif
228
229#if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE)
230static struct mtd_partition cm_x300_nand_partitions[] = {
231 [0] = {
232 .name = "OBM",
233 .offset = 0,
234 .size = SZ_256K,
235 .mask_flags = MTD_WRITEABLE, /* force read-only */
236 },
237 [1] = {
238 .name = "U-Boot",
239 .offset = MTDPART_OFS_APPEND,
240 .size = SZ_256K,
241 .mask_flags = MTD_WRITEABLE, /* force read-only */
242 },
243 [2] = {
244 .name = "Environment",
245 .offset = MTDPART_OFS_APPEND,
246 .size = SZ_256K,
247 },
248 [3] = {
249 .name = "reserved",
250 .offset = MTDPART_OFS_APPEND,
251 .size = SZ_256K + SZ_1M,
252 .mask_flags = MTD_WRITEABLE, /* force read-only */
253 },
254 [4] = {
255 .name = "kernel",
256 .offset = MTDPART_OFS_APPEND,
257 .size = SZ_4M,
258 },
259 [5] = {
260 .name = "fs",
261 .offset = MTDPART_OFS_APPEND,
262 .size = MTDPART_SIZ_FULL,
263 },
264};
265
266static struct pxa3xx_nand_platform_data cm_x300_nand_info = {
267 .enable_arbiter = 1,
268 .parts = cm_x300_nand_partitions,
269 .nr_parts = ARRAY_SIZE(cm_x300_nand_partitions),
270};
271
272static void __init cm_x300_init_nand(void)
273{
274 pxa3xx_set_nand_info(&cm_x300_nand_info);
275}
276#else
277static inline void cm_x300_init_nand(void) {}
278#endif
279
280#if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE)
281/* The first MMC slot of CM-X300 is hardwired to Libertas card and has
282 no detection/ro pins */
283static int cm_x300_mci_init(struct device *dev,
284 irq_handler_t cm_x300_detect_int,
285 void *data)
286{
287 return 0;
288}
289
290static void cm_x300_mci_exit(struct device *dev, void *data)
291{
292}
293
294static struct pxamci_platform_data cm_x300_mci_platform_data = {
295 .detect_delay = 20,
296 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
297 .init = cm_x300_mci_init,
298 .exit = cm_x300_mci_exit,
299};
300
301static int cm_x300_mci2_ro(struct device *dev)
302{
303 return gpio_get_value(GPIO85_MMC2_WP);
304}
305
306static int cm_x300_mci2_init(struct device *dev,
307 irq_handler_t cm_x300_detect_int,
308 void *data)
309{
310 int err;
311
312 /*
313 * setup GPIO for CM-X300 MMC controller
314 */
315 err = gpio_request(GPIO82_MMC2_IRQ, "mmc card detect");
316 if (err)
317 goto err_request_cd;
318 gpio_direction_input(GPIO82_MMC2_IRQ);
319
320 err = gpio_request(GPIO85_MMC2_WP, "mmc write protect");
321 if (err)
322 goto err_request_wp;
323 gpio_direction_input(GPIO85_MMC2_WP);
324
325 err = request_irq(CM_X300_MMC2_IRQ, cm_x300_detect_int,
326 IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
327 "MMC card detect", data);
328 if (err) {
329 printk(KERN_ERR "%s: MMC/SD/SDIO: "
330 "can't request card detect IRQ\n", __func__);
331 goto err_request_irq;
332 }
333
334 return 0;
335
336err_request_irq:
337 gpio_free(GPIO85_MMC2_WP);
338err_request_wp:
339 gpio_free(GPIO82_MMC2_IRQ);
340err_request_cd:
341 return err;
342}
343
344static void cm_x300_mci2_exit(struct device *dev, void *data)
345{
346 free_irq(CM_X300_MMC2_IRQ, data);
347 gpio_free(GPIO82_MMC2_IRQ);
348 gpio_free(GPIO85_MMC2_WP);
349}
350
351static struct pxamci_platform_data cm_x300_mci2_platform_data = {
352 .detect_delay = 20,
353 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
354 .init = cm_x300_mci2_init,
355 .exit = cm_x300_mci2_exit,
356 .get_ro = cm_x300_mci2_ro,
357};
358
359static void __init cm_x300_init_mmc(void)
360{
361 pxa_set_mci_info(&cm_x300_mci_platform_data);
362 pxa3xx_set_mci2_info(&cm_x300_mci2_platform_data);
363}
364#else
365static inline void cm_x300_init_mmc(void) {}
366#endif
367
368#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
cf75d8d2
MR		 369static struct pxaohci_platform_data cm_x300_ohci_platform_data = {
370 .port_mode = PMM_PERPORT_MODE,
097b5334 371 .flags = ENABLE_PORT1 | ENABLE_PORT2 | POWER_CONTROL_LOW,
cf75d8d2 372};
097b5334 373
cf75d8d2
MR		 374static void __init cm_x300_init_ohci(void)
375{
376 pxa_set_ohci_info(&cm_x300_ohci_platform_data);
377}
378#else
379static inline void cm_x300_init_ohci(void) {}
380#endif
381
382#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
383static struct gpio_led cm_x300_leds[] = {
384 [0] = {
385 .name = "cm-x300:green",
386 .default_trigger = "heartbeat",
387 .gpio = 79,
388 .active_low = 1,
389 },
390};
391
392static struct gpio_led_platform_data cm_x300_gpio_led_pdata = {
393 .num_leds = ARRAY_SIZE(cm_x300_leds),
394 .leds = cm_x300_leds,
395};
396
397static struct platform_device cm_x300_led_device = {
398 .name = "leds-gpio",
399 .id = -1,
400 .dev = {
401 .platform_data = &cm_x300_gpio_led_pdata,
402 },
403};
404
405static void __init cm_x300_init_leds(void)
406{
407 platform_device_register(&cm_x300_led_device);
408}
409#else
410static inline void cm_x300_init_leds(void) {}
411#endif
412
413#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
414/* PCA9555 */
415static struct pca953x_platform_data cm_x300_gpio_ext_pdata_0 = {
416 .gpio_base = 128,
417};
418
419static struct pca953x_platform_data cm_x300_gpio_ext_pdata_1 = {
420 .gpio_base = 144,
421};
422
423static struct i2c_board_info cm_x300_gpio_ext_info[] = {
424 [0] = {
425 I2C_BOARD_INFO("pca9555", 0x24),
426 .platform_data = &cm_x300_gpio_ext_pdata_0,
427 },
428 [1] = {
429 I2C_BOARD_INFO("pca9555", 0x25),
430 .platform_data = &cm_x300_gpio_ext_pdata_1,
431 },
432};
433
434static void __init cm_x300_init_i2c(void)
435{
436 pxa_set_i2c_info(NULL);
437 i2c_register_board_info(0, cm_x300_gpio_ext_info,
438 ARRAY_SIZE(cm_x300_gpio_ext_info));
439}
440#else
441static inline void cm_x300_init_i2c(void) {}
442#endif
443
444static void __init cm_x300_init(void)
445{
446 /* board-processor specific GPIO initialization */
447 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x300_mfp_cfg));
448
449 cm_x300_init_dm9000();
450 cm_x300_init_lcd();
451 cm_x300_init_ohci();
452 cm_x300_init_mmc();
453 cm_x300_init_nand();
454 cm_x300_init_leds();
455 cm_x300_init_i2c();
456}
457
458MACHINE_START(CM_X300, "CM-X300 module")
459 .phys_io = 0x40000000,
460 .boot_params = 0xa0000100,
461 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
462 .map_io = pxa_map_io,
463 .init_irq = pxa3xx_init_irq,
464 .timer = &pxa_timer,
465 .init_machine = cm_x300_init,
466MACHINE_END
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