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[ARM] pxa: move I2S register and bit definitions into pxa2xx-i2s.c
[deliverable/linux.git] / arch / arm / mach-pxa / cm-x300.c
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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
31#include <mach/mfp-pxa300.h>
32
33#include <mach/hardware.h>
34#include <mach/gpio.h>
35#include <mach/pxafb.h>
36#include <mach/mmc.h>
37#include <mach/ohci.h>
38#include <mach/i2c.h>
39#include <mach/pxa3xx_nand.h>
40
41#include <asm/mach/map.h>
42
43#include "generic.h"
44
45#define CM_X300_ETH_PHYS 0x08000010
46
47#define GPIO82_MMC2_IRQ (82)
48#define GPIO85_MMC2_WP (85)
49
50#define CM_X300_MMC2_IRQ IRQ_GPIO(GPIO82_MMC2_IRQ)
51
52static mfp_cfg_t cm_x300_mfp_cfg[] __initdata = {
53 /* LCD */
54 GPIO54_LCD_LDD_0,
55 GPIO55_LCD_LDD_1,
56 GPIO56_LCD_LDD_2,
57 GPIO57_LCD_LDD_3,
58 GPIO58_LCD_LDD_4,
59 GPIO59_LCD_LDD_5,
60 GPIO60_LCD_LDD_6,
61 GPIO61_LCD_LDD_7,
62 GPIO62_LCD_LDD_8,
63 GPIO63_LCD_LDD_9,
64 GPIO64_LCD_LDD_10,
65 GPIO65_LCD_LDD_11,
66 GPIO66_LCD_LDD_12,
67 GPIO67_LCD_LDD_13,
68 GPIO68_LCD_LDD_14,
69 GPIO69_LCD_LDD_15,
70 GPIO72_LCD_FCLK,
71 GPIO73_LCD_LCLK,
72 GPIO74_LCD_PCLK,
73 GPIO75_LCD_BIAS,
74
75 /* BTUART */
76 GPIO111_UART2_RTS,
77 GPIO112_UART2_RXD | MFP_LPM_EDGE_FALL,
78 GPIO113_UART2_TXD,
79 GPIO114_UART2_CTS | MFP_LPM_EDGE_BOTH,
80
81 /* STUART */
82 GPIO109_UART3_TXD,
83 GPIO110_UART3_RXD | MFP_LPM_EDGE_FALL,
84
85 /* AC97 */
86 GPIO23_AC97_nACRESET,
87 GPIO24_AC97_SYSCLK,
88 GPIO29_AC97_BITCLK,
89 GPIO25_AC97_SDATA_IN_0,
90 GPIO27_AC97_SDATA_OUT,
91 GPIO28_AC97_SYNC,
92
93 /* Keypad */
94 GPIO115_KP_MKIN_0 | MFP_LPM_EDGE_BOTH,
95 GPIO116_KP_MKIN_1 | MFP_LPM_EDGE_BOTH,
96 GPIO117_KP_MKIN_2 | MFP_LPM_EDGE_BOTH,
97 GPIO118_KP_MKIN_3 | MFP_LPM_EDGE_BOTH,
98 GPIO119_KP_MKIN_4 | MFP_LPM_EDGE_BOTH,
99 GPIO120_KP_MKIN_5 | MFP_LPM_EDGE_BOTH,
100 GPIO2_2_KP_MKIN_6 | MFP_LPM_EDGE_BOTH,
101 GPIO3_2_KP_MKIN_7 | MFP_LPM_EDGE_BOTH,
102 GPIO121_KP_MKOUT_0,
103 GPIO122_KP_MKOUT_1,
104 GPIO123_KP_MKOUT_2,
105 GPIO124_KP_MKOUT_3,
106 GPIO125_KP_MKOUT_4,
107 GPIO4_2_KP_MKOUT_5,
108
109 /* MMC1 */
110 GPIO3_MMC1_DAT0,
111 GPIO4_MMC1_DAT1 | MFP_LPM_EDGE_BOTH,
112 GPIO5_MMC1_DAT2,
113 GPIO6_MMC1_DAT3,
114 GPIO7_MMC1_CLK,
115 GPIO8_MMC1_CMD, /* CMD0 for slot 0 */
116
117 /* MMC2 */
118 GPIO9_MMC2_DAT0,
119 GPIO10_MMC2_DAT1 | MFP_LPM_EDGE_BOTH,
120 GPIO11_MMC2_DAT2,
121 GPIO12_MMC2_DAT3,
122 GPIO13_MMC2_CLK,
123 GPIO14_MMC2_CMD,
124
125 /* FFUART */
126 GPIO30_UART1_RXD | MFP_LPM_EDGE_FALL,
127 GPIO31_UART1_TXD,
128 GPIO32_UART1_CTS,
129 GPIO37_UART1_RTS,
130 GPIO33_UART1_DCD,
131 GPIO34_UART1_DSR | MFP_LPM_EDGE_FALL,
132 GPIO35_UART1_RI,
133 GPIO36_UART1_DTR,
134
135 /* GPIOs */
136 GPIO79_GPIO, /* LED */
137 GPIO82_GPIO | MFP_PULL_HIGH, /* MMC CD */
138 GPIO85_GPIO, /* MMC WP */
139 GPIO99_GPIO, /* Ethernet IRQ */
140};
141
142#if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
143static struct resource dm9000_resources[] = {
144 [0] = {
145 .start = CM_X300_ETH_PHYS,
146 .end = CM_X300_ETH_PHYS + 0x3,
147 .flags = IORESOURCE_MEM,
148 },
149 [1] = {
150 .start = CM_X300_ETH_PHYS + 0x4,
151 .end = CM_X300_ETH_PHYS + 0x4 + 500,
152 .flags = IORESOURCE_MEM,
153 },
154 [2] = {
155 .start = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO99)),
156 .end = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO99)),
157 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
158 }
159};
160
161static struct dm9000_plat_data cm_x300_dm9000_platdata = {
162 .flags = DM9000_PLATF_16BITONLY,
163};
164
165static struct platform_device dm9000_device = {
166 .name = "dm9000",
167 .id = 0,
168 .num_resources = ARRAY_SIZE(dm9000_resources),
169 .resource = dm9000_resources,
170 .dev = {
171 .platform_data = &cm_x300_dm9000_platdata,
172 }
173
174};
175
176static void __init cm_x300_init_dm9000(void)
177{
178 platform_device_register(&dm9000_device);
179}
180#else
181static inline void cm_x300_init_dm9000(void) {}
182#endif
183
184#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
185static struct pxafb_mode_info cm_x300_lcd_modes[] = {
186 [0] = {
187 .pixclock = 38000,
188 .bpp = 16,
189 .xres = 480,
190 .yres = 640,
191 .hsync_len = 8,
192 .vsync_len = 2,
193 .left_margin = 8,
194 .upper_margin = 0,
195 .right_margin = 24,
196 .lower_margin = 4,
197 .cmap_greyscale = 0,
198 },
199 [1] = {
200 .pixclock = 153800,
201 .bpp = 16,
202 .xres = 240,
203 .yres = 320,
204 .hsync_len = 8,
205 .vsync_len = 2,
206 .left_margin = 8,
207 .upper_margin = 2,
208 .right_margin = 88,
209 .lower_margin = 2,
210 .cmap_greyscale = 0,
211 },
212};
213
214static struct pxafb_mach_info cm_x300_lcd = {
215 .modes = cm_x300_lcd_modes,
216 .num_modes = 2,
217 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
218};
219
220static void __init cm_x300_init_lcd(void)
221{
222 set_pxa_fb_info(&cm_x300_lcd);
223}
224#else
225static inline void cm_x300_init_lcd(void) {}
226#endif
227
228#if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE)
229static struct mtd_partition cm_x300_nand_partitions[] = {
230 [0] = {
231 .name = "OBM",
232 .offset = 0,
233 .size = SZ_256K,
234 .mask_flags = MTD_WRITEABLE, /* force read-only */
235 },
236 [1] = {
237 .name = "U-Boot",
238 .offset = MTDPART_OFS_APPEND,
239 .size = SZ_256K,
240 .mask_flags = MTD_WRITEABLE, /* force read-only */
241 },
242 [2] = {
243 .name = "Environment",
244 .offset = MTDPART_OFS_APPEND,
245 .size = SZ_256K,
246 },
247 [3] = {
248 .name = "reserved",
249 .offset = MTDPART_OFS_APPEND,
250 .size = SZ_256K + SZ_1M,
251 .mask_flags = MTD_WRITEABLE, /* force read-only */
252 },
253 [4] = {
254 .name = "kernel",
255 .offset = MTDPART_OFS_APPEND,
256 .size = SZ_4M,
257 },
258 [5] = {
259 .name = "fs",
260 .offset = MTDPART_OFS_APPEND,
261 .size = MTDPART_SIZ_FULL,
262 },
263};
264
265static struct pxa3xx_nand_platform_data cm_x300_nand_info = {
266 .enable_arbiter = 1,
267 .parts = cm_x300_nand_partitions,
268 .nr_parts = ARRAY_SIZE(cm_x300_nand_partitions),
269};
270
271static void __init cm_x300_init_nand(void)
272{
273 pxa3xx_set_nand_info(&cm_x300_nand_info);
274}
275#else
276static inline void cm_x300_init_nand(void) {}
277#endif
278
279#if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE)
280/* The first MMC slot of CM-X300 is hardwired to Libertas card and has
281 no detection/ro pins */
282static int cm_x300_mci_init(struct device *dev,
283 irq_handler_t cm_x300_detect_int,
284 void *data)
285{
286 return 0;
287}
288
289static void cm_x300_mci_exit(struct device *dev, void *data)
290{
291}
292
293static struct pxamci_platform_data cm_x300_mci_platform_data = {
294 .detect_delay = 20,
295 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
296 .init = cm_x300_mci_init,
297 .exit = cm_x300_mci_exit,
298};
299
300static int cm_x300_mci2_ro(struct device *dev)
301{
302 return gpio_get_value(GPIO85_MMC2_WP);
303}
304
305static int cm_x300_mci2_init(struct device *dev,
306 irq_handler_t cm_x300_detect_int,
307 void *data)
308{
309 int err;
310
311 /*
312 * setup GPIO for CM-X300 MMC controller
313 */
314 err = gpio_request(GPIO82_MMC2_IRQ, "mmc card detect");
315 if (err)
316 goto err_request_cd;
317 gpio_direction_input(GPIO82_MMC2_IRQ);
318
319 err = gpio_request(GPIO85_MMC2_WP, "mmc write protect");
320 if (err)
321 goto err_request_wp;
322 gpio_direction_input(GPIO85_MMC2_WP);
323
324 err = request_irq(CM_X300_MMC2_IRQ, cm_x300_detect_int,
325 IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
326 "MMC card detect", data);
327 if (err) {
328 printk(KERN_ERR "%s: MMC/SD/SDIO: "
329 "can't request card detect IRQ\n", __func__);
330 goto err_request_irq;
331 }
332
333 return 0;
334
335err_request_irq:
336 gpio_free(GPIO85_MMC2_WP);
337err_request_wp:
338 gpio_free(GPIO82_MMC2_IRQ);
339err_request_cd:
340 return err;
341}
342
343static void cm_x300_mci2_exit(struct device *dev, void *data)
344{
345 free_irq(CM_X300_MMC2_IRQ, data);
346 gpio_free(GPIO82_MMC2_IRQ);
347 gpio_free(GPIO85_MMC2_WP);
348}
349
350static struct pxamci_platform_data cm_x300_mci2_platform_data = {
351 .detect_delay = 20,
352 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
353 .init = cm_x300_mci2_init,
354 .exit = cm_x300_mci2_exit,
355 .get_ro = cm_x300_mci2_ro,
356};
357
358static void __init cm_x300_init_mmc(void)
359{
360 pxa_set_mci_info(&cm_x300_mci_platform_data);
361 pxa3xx_set_mci2_info(&cm_x300_mci2_platform_data);
362}
363#else
364static inline void cm_x300_init_mmc(void) {}
365#endif
366
367#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
368static int cm_x300_ohci_init(struct device *dev)
369{
370 /* Set the Power Control Polarity Low */
371 UHCHR = (UHCHR | UHCHR_PCPL) &
372 ~(UHCHR_SSEP1 | UHCHR_SSEP2 | UHCHR_SSE);
373
374 return 0;
375}
376
377static struct pxaohci_platform_data cm_x300_ohci_platform_data = {
378 .port_mode = PMM_PERPORT_MODE,
379 .init = cm_x300_ohci_init,
380};
381static void __init cm_x300_init_ohci(void)
382{
383 pxa_set_ohci_info(&cm_x300_ohci_platform_data);
384}
385#else
386static inline void cm_x300_init_ohci(void) {}
387#endif
388
389#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
390static struct gpio_led cm_x300_leds[] = {
391 [0] = {
392 .name = "cm-x300:green",
393 .default_trigger = "heartbeat",
394 .gpio = 79,
395 .active_low = 1,
396 },
397};
398
399static struct gpio_led_platform_data cm_x300_gpio_led_pdata = {
400 .num_leds = ARRAY_SIZE(cm_x300_leds),
401 .leds = cm_x300_leds,
402};
403
404static struct platform_device cm_x300_led_device = {
405 .name = "leds-gpio",
406 .id = -1,
407 .dev = {
408 .platform_data = &cm_x300_gpio_led_pdata,
409 },
410};
411
412static void __init cm_x300_init_leds(void)
413{
414 platform_device_register(&cm_x300_led_device);
415}
416#else
417static inline void cm_x300_init_leds(void) {}
418#endif
419
420#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
421/* PCA9555 */
422static struct pca953x_platform_data cm_x300_gpio_ext_pdata_0 = {
423 .gpio_base = 128,
424};
425
426static struct pca953x_platform_data cm_x300_gpio_ext_pdata_1 = {
427 .gpio_base = 144,
428};
429
430static struct i2c_board_info cm_x300_gpio_ext_info[] = {
431 [0] = {
432 I2C_BOARD_INFO("pca9555", 0x24),
433 .platform_data = &cm_x300_gpio_ext_pdata_0,
434 },
435 [1] = {
436 I2C_BOARD_INFO("pca9555", 0x25),
437 .platform_data = &cm_x300_gpio_ext_pdata_1,
438 },
439};
440
441static void __init cm_x300_init_i2c(void)
442{
443 pxa_set_i2c_info(NULL);
444 i2c_register_board_info(0, cm_x300_gpio_ext_info,
445 ARRAY_SIZE(cm_x300_gpio_ext_info));
446}
447#else
448static inline void cm_x300_init_i2c(void) {}
449#endif
450
451static void __init cm_x300_init(void)
452{
453 /* board-processor specific GPIO initialization */
454 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x300_mfp_cfg));
455
456 cm_x300_init_dm9000();
457 cm_x300_init_lcd();
458 cm_x300_init_ohci();
459 cm_x300_init_mmc();
460 cm_x300_init_nand();
461 cm_x300_init_leds();
462 cm_x300_init_i2c();
463}
464
465MACHINE_START(CM_X300, "CM-X300 module")
466 .phys_io = 0x40000000,
467 .boot_params = 0xa0000100,
468 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
469 .map_io = pxa_map_io,
470 .init_irq = pxa3xx_init_irq,
471 .timer = &pxa_timer,
472 .init_machine = cm_x300_init,
473MACHINE_END
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