2 * linux/arch/arm/mach-pxa/cm-x300.c
4 * Support for the CompuLab CM-X300 modules
6 * Copyright (C) 2008,2009 CompuLab Ltd.
8 * Mike Rapoport <mike@compulab.co.il>
9 * Igor Grinberg <grinberg@compulab.co.il>
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License version 2 as
13 * published by the Free Software Foundation.
16 #include <linux/module.h>
17 #include <linux/kernel.h>
18 #include <linux/interrupt.h>
19 #include <linux/init.h>
20 #include <linux/delay.h>
21 #include <linux/platform_device.h>
23 #include <linux/gpio.h>
24 #include <linux/dm9000.h>
25 #include <linux/leds.h>
26 #include <linux/rtc-v3020.h>
27 #include <linux/pwm_backlight.h>
29 #include <linux/i2c.h>
30 #include <linux/i2c/pca953x.h>
32 #include <linux/mfd/da903x.h>
33 #include <linux/regulator/machine.h>
34 #include <linux/power_supply.h>
35 #include <linux/apm-emulation.h>
37 #include <linux/spi/spi.h>
38 #include <linux/spi/spi_gpio.h>
39 #include <linux/spi/tdo24m.h>
41 #include <asm/mach-types.h>
42 #include <asm/mach/arch.h>
43 #include <asm/setup.h>
45 #include <mach/pxa300.h>
46 #include <mach/pxa27x-udc.h>
47 #include <mach/pxafb.h>
49 #include <mach/ohci.h>
51 #include <plat/pxa3xx_nand.h>
52 #include <mach/audio.h>
54 #include <asm/mach/map.h>
59 #define CM_X300_ETH_PHYS 0x08000010
61 #define GPIO82_MMC_IRQ (82)
62 #define GPIO85_MMC_WP (85)
64 #define CM_X300_MMC_IRQ IRQ_GPIO(GPIO82_MMC_IRQ)
66 #define GPIO95_RTC_CS (95)
67 #define GPIO96_RTC_WR (96)
68 #define GPIO97_RTC_RD (97)
69 #define GPIO98_RTC_IO (98)
71 static mfp_cfg_t cm_x3xx_mfp_cfg[] __initdata = {
96 GPIO112_UART2_RXD | MFP_LPM_EDGE_FALL,
98 GPIO114_UART2_CTS | MFP_LPM_EDGE_BOTH,
102 GPIO110_UART3_RXD | MFP_LPM_EDGE_FALL,
105 GPIO23_AC97_nACRESET,
108 GPIO25_AC97_SDATA_IN_0,
109 GPIO27_AC97_SDATA_OUT,
113 GPIO115_KP_MKIN_0 | MFP_LPM_EDGE_BOTH,
114 GPIO116_KP_MKIN_1 | MFP_LPM_EDGE_BOTH,
115 GPIO117_KP_MKIN_2 | MFP_LPM_EDGE_BOTH,
116 GPIO118_KP_MKIN_3 | MFP_LPM_EDGE_BOTH,
117 GPIO119_KP_MKIN_4 | MFP_LPM_EDGE_BOTH,
118 GPIO120_KP_MKIN_5 | MFP_LPM_EDGE_BOTH,
119 GPIO2_2_KP_MKIN_6 | MFP_LPM_EDGE_BOTH,
120 GPIO3_2_KP_MKIN_7 | MFP_LPM_EDGE_BOTH,
130 GPIO4_MMC1_DAT1 | MFP_LPM_EDGE_BOTH,
134 GPIO8_MMC1_CMD, /* CMD0 for slot 0 */
138 GPIO10_MMC2_DAT1 | MFP_LPM_EDGE_BOTH,
145 GPIO30_UART1_RXD | MFP_LPM_EDGE_FALL,
150 GPIO34_UART1_DSR | MFP_LPM_EDGE_FALL,
155 GPIO82_GPIO | MFP_PULL_HIGH, /* MMC CD */
156 GPIO85_GPIO, /* MMC WP */
157 GPIO99_GPIO, /* Ethernet IRQ */
160 GPIO95_GPIO, /* RTC CS */
161 GPIO96_GPIO, /* RTC WR */
162 GPIO97_GPIO, /* RTC RD */
163 GPIO98_GPIO, /* RTC IO */
173 static mfp_cfg_t cm_x3xx_rev_lt130_mfp_cfg[] __initdata = {
175 GPIO79_GPIO, /* LED */
176 GPIO77_GPIO, /* WiFi reset */
177 GPIO78_GPIO, /* BT reset */
180 static mfp_cfg_t cm_x3xx_rev_ge130_mfp_cfg[] __initdata = {
182 GPIO76_GPIO, /* LED */
183 GPIO71_GPIO, /* WiFi reset */
184 GPIO70_GPIO, /* BT reset */
187 static mfp_cfg_t cm_x310_mfp_cfg[] __initdata = {
192 GPIO30_ULPI_DATA_OUT_0,
193 GPIO31_ULPI_DATA_OUT_1,
194 GPIO32_ULPI_DATA_OUT_2,
195 GPIO33_ULPI_DATA_OUT_3,
196 GPIO34_ULPI_DATA_OUT_4,
197 GPIO35_ULPI_DATA_OUT_5,
198 GPIO36_ULPI_DATA_OUT_6,
199 GPIO37_ULPI_DATA_OUT_7,
201 /* external PHY reset pin */
214 #if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
215 static struct resource dm9000_resources[] = {
217 .start = CM_X300_ETH_PHYS,
218 .end = CM_X300_ETH_PHYS + 0x3,
219 .flags = IORESOURCE_MEM,
222 .start = CM_X300_ETH_PHYS + 0x4,
223 .end = CM_X300_ETH_PHYS + 0x4 + 500,
224 .flags = IORESOURCE_MEM,
227 .start = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO99)),
228 .end = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO99)),
229 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
233 static struct dm9000_plat_data cm_x300_dm9000_platdata = {
234 .flags = DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM,
237 static struct platform_device dm9000_device = {
240 .num_resources = ARRAY_SIZE(dm9000_resources),
241 .resource = dm9000_resources,
243 .platform_data = &cm_x300_dm9000_platdata,
248 static void __init cm_x300_init_dm9000(void)
250 platform_device_register(&dm9000_device);
253 static inline void cm_x300_init_dm9000(void) {}
257 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
258 static struct pxafb_mode_info cm_x300_lcd_modes[] = {
287 static struct pxafb_mach_info cm_x300_lcd = {
288 .modes = cm_x300_lcd_modes,
289 .num_modes = ARRAY_SIZE(cm_x300_lcd_modes),
290 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
293 static void __init cm_x300_init_lcd(void)
295 set_pxa_fb_info(&cm_x300_lcd);
298 static inline void cm_x300_init_lcd(void) {}
301 #if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
302 static struct platform_pwm_backlight_data cm_x300_backlight_data = {
304 .max_brightness = 100,
305 .dft_brightness = 100,
306 .pwm_period_ns = 10000,
309 static struct platform_device cm_x300_backlight_device = {
310 .name = "pwm-backlight",
312 .parent = &pxa27x_device_pwm0.dev,
313 .platform_data = &cm_x300_backlight_data,
317 static void cm_x300_init_bl(void)
319 platform_device_register(&cm_x300_backlight_device);
322 static inline void cm_x300_init_bl(void) {}
325 #if defined(CONFIG_SPI_GPIO) || defined(CONFIG_SPI_GPIO_MODULE)
326 #define GPIO_LCD_BASE (144)
327 #define GPIO_LCD_DIN (GPIO_LCD_BASE + 8) /* aux_gpio3_0 */
328 #define GPIO_LCD_DOUT (GPIO_LCD_BASE + 9) /* aux_gpio3_1 */
329 #define GPIO_LCD_SCL (GPIO_LCD_BASE + 10) /* aux_gpio3_2 */
330 #define GPIO_LCD_CS (GPIO_LCD_BASE + 11) /* aux_gpio3_3 */
331 #define LCD_SPI_BUS_NUM (1)
333 static struct spi_gpio_platform_data cm_x300_spi_gpio_pdata = {
335 .mosi = GPIO_LCD_DIN,
336 .miso = GPIO_LCD_DOUT,
340 static struct platform_device cm_x300_spi_gpio = {
342 .id = LCD_SPI_BUS_NUM,
344 .platform_data = &cm_x300_spi_gpio_pdata,
348 static struct tdo24m_platform_data cm_x300_tdo24m_pdata = {
352 static struct spi_board_info cm_x300_spi_devices[] __initdata = {
354 .modalias = "tdo24m",
355 .max_speed_hz = 1000000,
356 .bus_num = LCD_SPI_BUS_NUM,
358 .controller_data = (void *) GPIO_LCD_CS,
359 .platform_data = &cm_x300_tdo24m_pdata,
363 static void __init cm_x300_init_spi(void)
365 spi_register_board_info(cm_x300_spi_devices,
366 ARRAY_SIZE(cm_x300_spi_devices));
367 platform_device_register(&cm_x300_spi_gpio);
370 static inline void cm_x300_init_spi(void) {}
373 #if defined(CONFIG_SND_PXA2XX_LIB_AC97)
374 static void __init cm_x300_init_ac97(void)
376 pxa_set_ac97_info(NULL);
379 static inline void cm_x300_init_ac97(void) {}
382 #if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE)
383 static struct mtd_partition cm_x300_nand_partitions[] = {
388 .mask_flags = MTD_WRITEABLE, /* force read-only */
392 .offset = MTDPART_OFS_APPEND,
394 .mask_flags = MTD_WRITEABLE, /* force read-only */
397 .name = "Environment",
398 .offset = MTDPART_OFS_APPEND,
403 .offset = MTDPART_OFS_APPEND,
404 .size = SZ_256K + SZ_1M,
405 .mask_flags = MTD_WRITEABLE, /* force read-only */
409 .offset = MTDPART_OFS_APPEND,
414 .offset = MTDPART_OFS_APPEND,
415 .size = MTDPART_SIZ_FULL,
419 static struct pxa3xx_nand_platform_data cm_x300_nand_info = {
422 .parts = cm_x300_nand_partitions,
423 .nr_parts = ARRAY_SIZE(cm_x300_nand_partitions),
426 static void __init cm_x300_init_nand(void)
428 pxa3xx_set_nand_info(&cm_x300_nand_info);
431 static inline void cm_x300_init_nand(void) {}
434 #if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE)
435 static struct pxamci_platform_data cm_x300_mci_platform_data = {
436 .detect_delay_ms = 200,
437 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
438 .gpio_card_detect = GPIO82_MMC_IRQ,
439 .gpio_card_ro = GPIO85_MMC_WP,
443 /* The second MMC slot of CM-X300 is hardwired to Libertas card and has
444 no detection/ro pins */
445 static int cm_x300_mci2_init(struct device *dev,
446 irq_handler_t cm_x300_detect_int,
452 static void cm_x300_mci2_exit(struct device *dev, void *data)
456 static struct pxamci_platform_data cm_x300_mci2_platform_data = {
457 .detect_delay_ms = 200,
458 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
459 .init = cm_x300_mci2_init,
460 .exit = cm_x300_mci2_exit,
461 .gpio_card_detect = -1,
466 static void __init cm_x300_init_mmc(void)
468 pxa_set_mci_info(&cm_x300_mci_platform_data);
469 pxa3xx_set_mci2_info(&cm_x300_mci2_platform_data);
472 static inline void cm_x300_init_mmc(void) {}
475 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
476 static int cm_x300_ohci_init(struct device *dev)
480 | UP2OCR_HXOE | UP2OCR_DMPDE | UP2OCR_DPPDE;
485 static struct pxaohci_platform_data cm_x300_ohci_platform_data = {
486 .port_mode = PMM_PERPORT_MODE,
487 .flags = ENABLE_PORT_ALL | POWER_CONTROL_LOW,
488 .init = cm_x300_ohci_init,
491 static void __init cm_x300_init_ohci(void)
493 pxa_set_ohci_info(&cm_x300_ohci_platform_data);
496 static inline void cm_x300_init_ohci(void) {}
499 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
500 static struct gpio_led cm_x300_leds[] = {
502 .name = "cm-x300:green",
503 .default_trigger = "heartbeat",
508 static struct gpio_led_platform_data cm_x300_gpio_led_pdata = {
509 .num_leds = ARRAY_SIZE(cm_x300_leds),
510 .leds = cm_x300_leds,
513 static struct platform_device cm_x300_led_device = {
517 .platform_data = &cm_x300_gpio_led_pdata,
521 static void __init cm_x300_init_leds(void)
523 if (system_rev < 130)
524 cm_x300_leds[0].gpio = 79;
526 cm_x300_leds[0].gpio = 76;
528 platform_device_register(&cm_x300_led_device);
531 static inline void cm_x300_init_leds(void) {}
534 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
536 static struct pca953x_platform_data cm_x300_gpio_ext_pdata_0 = {
540 static struct pca953x_platform_data cm_x300_gpio_ext_pdata_1 = {
544 static struct i2c_board_info cm_x300_gpio_ext_info[] = {
546 I2C_BOARD_INFO("pca9555", 0x24),
547 .platform_data = &cm_x300_gpio_ext_pdata_0,
550 I2C_BOARD_INFO("pca9555", 0x25),
551 .platform_data = &cm_x300_gpio_ext_pdata_1,
555 static void __init cm_x300_init_i2c(void)
557 pxa_set_i2c_info(NULL);
558 i2c_register_board_info(0, cm_x300_gpio_ext_info,
559 ARRAY_SIZE(cm_x300_gpio_ext_info));
562 static inline void cm_x300_init_i2c(void) {}
565 #if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
566 struct v3020_platform_data cm_x300_v3020_pdata = {
568 .gpio_cs = GPIO95_RTC_CS,
569 .gpio_wr = GPIO96_RTC_WR,
570 .gpio_rd = GPIO97_RTC_RD,
571 .gpio_io = GPIO98_RTC_IO,
574 static struct platform_device cm_x300_rtc_device = {
578 .platform_data = &cm_x300_v3020_pdata,
582 static void __init cm_x300_init_rtc(void)
584 platform_device_register(&cm_x300_rtc_device);
587 static inline void cm_x300_init_rtc(void) {}
591 struct power_supply_info cm_x300_psy_info = {
593 .technology = POWER_SUPPLY_TECHNOLOGY_LIPO,
594 .voltage_max_design = 4200000,
595 .voltage_min_design = 3000000,
599 static void cm_x300_battery_low(void)
601 #if defined(CONFIG_APM_EMULATION)
602 apm_queue_event(APM_LOW_BATTERY);
606 static void cm_x300_battery_critical(void)
608 #if defined(CONFIG_APM_EMULATION)
609 apm_queue_event(APM_CRITICAL_SUSPEND);
613 struct da9030_battery_info cm_x300_battery_info = {
614 .battery_info = &cm_x300_psy_info,
616 .charge_milliamp = 1000,
617 .charge_millivolt = 4200,
621 .vbat_charge_start = 4100,
622 .vbat_charge_stop = 4200,
623 .vbat_charge_restart = 4000,
632 .batmon_interval = 0,
634 .battery_low = cm_x300_battery_low,
635 .battery_critical = cm_x300_battery_critical,
638 static struct regulator_consumer_supply buck2_consumers[] = {
641 .supply = "vcc_core",
645 static struct regulator_init_data buck2_data = {
652 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
655 .num_consumer_supplies = ARRAY_SIZE(buck2_consumers),
656 .consumer_supplies = buck2_consumers,
660 struct da903x_subdev_info cm_x300_da9030_subdevs[] = {
662 .name = "da903x-battery",
664 .platform_data = &cm_x300_battery_info,
667 .name = "da903x-regulator",
668 .id = DA9030_ID_BUCK2,
669 .platform_data = &buck2_data,
673 static struct da903x_platform_data cm_x300_da9030_info = {
674 .num_subdevs = ARRAY_SIZE(cm_x300_da9030_subdevs),
675 .subdevs = cm_x300_da9030_subdevs,
678 static struct i2c_board_info cm_x300_pmic_info = {
679 I2C_BOARD_INFO("da9030", 0x49),
681 .platform_data = &cm_x300_da9030_info,
684 static struct i2c_pxa_platform_data cm_x300_pwr_i2c_info = {
688 static void __init cm_x300_init_da9030(void)
690 pxa3xx_set_i2c_power_info(&cm_x300_pwr_i2c_info);
691 i2c_register_board_info(1, &cm_x300_pmic_info, 1);
692 set_irq_wake(IRQ_WAKEUP0, 1);
695 static void __init cm_x300_init_wi2wi(void)
697 int bt_reset, wlan_en;
700 if (system_rev < 130) {
708 /* Libertas and CSR reset */
709 err = gpio_request(wlan_en, "wlan en");
711 pr_err("CM-X300: failed to request wlan en gpio: %d\n", err);
713 gpio_direction_output(wlan_en, 1);
717 err = gpio_request(bt_reset, "bt reset");
719 pr_err("CM-X300: failed to request bt reset gpio: %d\n", err);
721 gpio_direction_output(bt_reset, 1);
723 gpio_set_value(bt_reset, 0);
725 gpio_set_value(bt_reset, 1);
731 static void __init cm_x300_init_mfp(void)
733 /* board-processor specific GPIO initialization */
734 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_mfp_cfg));
736 if (system_rev < 130)
737 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_rev_lt130_mfp_cfg));
739 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_rev_ge130_mfp_cfg));
742 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x310_mfp_cfg));
745 static void __init cm_x300_init(void)
749 pxa_set_btuart_info(NULL);
750 pxa_set_stuart_info(NULL);
752 pxa_set_ffuart_info(NULL);
754 cm_x300_init_da9030();
755 cm_x300_init_dm9000();
765 cm_x300_init_wi2wi();
769 static void __init cm_x300_fixup(struct machine_desc *mdesc, struct tag *tags,
770 char **cmdline, struct meminfo *mi)
772 /* Make sure that mi->bank[0].start = PHYS_ADDR */
773 for (; tags->hdr.size; tags = tag_next(tags))
774 if (tags->hdr.tag == ATAG_MEM &&
775 tags->u.mem.start == 0x80000000) {
776 tags->u.mem.start = 0xa0000000;
781 MACHINE_START(CM_X300, "CM-X300 module")
782 .phys_io = 0x40000000,
783 .boot_params = 0xa0000100,
784 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
785 .map_io = pxa_map_io,
786 .init_irq = pxa3xx_init_irq,
788 .init_machine = cm_x300_init,
789 .fixup = cm_x300_fixup,