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>
34 #include <linux/spi/spi.h>
35 #include <linux/spi/spi_gpio.h>
36 #include <linux/spi/tdo24m.h>
38 #include <asm/mach-types.h>
39 #include <asm/mach/arch.h>
40 #include <asm/setup.h>
42 #include <mach/pxa300.h>
43 #include <mach/pxa27x-udc.h>
44 #include <mach/pxafb.h>
46 #include <mach/ohci.h>
48 #include <plat/pxa3xx_nand.h>
49 #include <mach/audio.h>
51 #include <asm/mach/map.h>
56 #define CM_X300_ETH_PHYS 0x08000010
58 #define GPIO82_MMC_IRQ (82)
59 #define GPIO85_MMC_WP (85)
61 #define CM_X300_MMC_IRQ IRQ_GPIO(GPIO82_MMC_IRQ)
63 #define GPIO95_RTC_CS (95)
64 #define GPIO96_RTC_WR (96)
65 #define GPIO97_RTC_RD (97)
66 #define GPIO98_RTC_IO (98)
68 static mfp_cfg_t cm_x3xx_mfp_cfg[] __initdata = {
93 GPIO112_UART2_RXD | MFP_LPM_EDGE_FALL,
95 GPIO114_UART2_CTS | MFP_LPM_EDGE_BOTH,
99 GPIO110_UART3_RXD | MFP_LPM_EDGE_FALL,
102 GPIO23_AC97_nACRESET,
105 GPIO25_AC97_SDATA_IN_0,
106 GPIO27_AC97_SDATA_OUT,
110 GPIO115_KP_MKIN_0 | MFP_LPM_EDGE_BOTH,
111 GPIO116_KP_MKIN_1 | MFP_LPM_EDGE_BOTH,
112 GPIO117_KP_MKIN_2 | MFP_LPM_EDGE_BOTH,
113 GPIO118_KP_MKIN_3 | MFP_LPM_EDGE_BOTH,
114 GPIO119_KP_MKIN_4 | MFP_LPM_EDGE_BOTH,
115 GPIO120_KP_MKIN_5 | MFP_LPM_EDGE_BOTH,
116 GPIO2_2_KP_MKIN_6 | MFP_LPM_EDGE_BOTH,
117 GPIO3_2_KP_MKIN_7 | MFP_LPM_EDGE_BOTH,
127 GPIO4_MMC1_DAT1 | MFP_LPM_EDGE_BOTH,
131 GPIO8_MMC1_CMD, /* CMD0 for slot 0 */
135 GPIO10_MMC2_DAT1 | MFP_LPM_EDGE_BOTH,
142 GPIO30_UART1_RXD | MFP_LPM_EDGE_FALL,
147 GPIO34_UART1_DSR | MFP_LPM_EDGE_FALL,
152 GPIO82_GPIO | MFP_PULL_HIGH, /* MMC CD */
153 GPIO85_GPIO, /* MMC WP */
154 GPIO99_GPIO, /* Ethernet IRQ */
157 GPIO95_GPIO, /* RTC CS */
158 GPIO96_GPIO, /* RTC WR */
159 GPIO97_GPIO, /* RTC RD */
160 GPIO98_GPIO, /* RTC IO */
170 static mfp_cfg_t cm_x3xx_rev_lt130_mfp_cfg[] __initdata = {
172 GPIO79_GPIO, /* LED */
173 GPIO77_GPIO, /* WiFi reset */
174 GPIO78_GPIO, /* BT reset */
177 static mfp_cfg_t cm_x3xx_rev_ge130_mfp_cfg[] __initdata = {
179 GPIO76_GPIO, /* LED */
180 GPIO71_GPIO, /* WiFi reset */
181 GPIO70_GPIO, /* BT reset */
184 static mfp_cfg_t cm_x310_mfp_cfg[] __initdata = {
189 GPIO30_ULPI_DATA_OUT_0,
190 GPIO31_ULPI_DATA_OUT_1,
191 GPIO32_ULPI_DATA_OUT_2,
192 GPIO33_ULPI_DATA_OUT_3,
193 GPIO34_ULPI_DATA_OUT_4,
194 GPIO35_ULPI_DATA_OUT_5,
195 GPIO36_ULPI_DATA_OUT_6,
196 GPIO37_ULPI_DATA_OUT_7,
198 /* external PHY reset pin */
211 #if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
212 static struct resource dm9000_resources[] = {
214 .start = CM_X300_ETH_PHYS,
215 .end = CM_X300_ETH_PHYS + 0x3,
216 .flags = IORESOURCE_MEM,
219 .start = CM_X300_ETH_PHYS + 0x4,
220 .end = CM_X300_ETH_PHYS + 0x4 + 500,
221 .flags = IORESOURCE_MEM,
224 .start = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO99)),
225 .end = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO99)),
226 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
230 static struct dm9000_plat_data cm_x300_dm9000_platdata = {
231 .flags = DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM,
234 static struct platform_device dm9000_device = {
237 .num_resources = ARRAY_SIZE(dm9000_resources),
238 .resource = dm9000_resources,
240 .platform_data = &cm_x300_dm9000_platdata,
245 static void __init cm_x300_init_dm9000(void)
247 platform_device_register(&dm9000_device);
250 static inline void cm_x300_init_dm9000(void) {}
254 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
255 static struct pxafb_mode_info cm_x300_lcd_modes[] = {
284 static struct pxafb_mach_info cm_x300_lcd = {
285 .modes = cm_x300_lcd_modes,
286 .num_modes = ARRAY_SIZE(cm_x300_lcd_modes),
287 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
290 static void __init cm_x300_init_lcd(void)
292 set_pxa_fb_info(&cm_x300_lcd);
295 static inline void cm_x300_init_lcd(void) {}
298 #if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
299 static struct platform_pwm_backlight_data cm_x300_backlight_data = {
301 .max_brightness = 100,
302 .dft_brightness = 100,
303 .pwm_period_ns = 10000,
306 static struct platform_device cm_x300_backlight_device = {
307 .name = "pwm-backlight",
309 .parent = &pxa27x_device_pwm0.dev,
310 .platform_data = &cm_x300_backlight_data,
314 static void cm_x300_init_bl(void)
316 platform_device_register(&cm_x300_backlight_device);
319 static inline void cm_x300_init_bl(void) {}
322 #if defined(CONFIG_SPI_GPIO) || defined(CONFIG_SPI_GPIO_MODULE)
323 #define GPIO_LCD_BASE (144)
324 #define GPIO_LCD_DIN (GPIO_LCD_BASE + 8) /* aux_gpio3_0 */
325 #define GPIO_LCD_DOUT (GPIO_LCD_BASE + 9) /* aux_gpio3_1 */
326 #define GPIO_LCD_SCL (GPIO_LCD_BASE + 10) /* aux_gpio3_2 */
327 #define GPIO_LCD_CS (GPIO_LCD_BASE + 11) /* aux_gpio3_3 */
328 #define LCD_SPI_BUS_NUM (1)
330 static struct spi_gpio_platform_data cm_x300_spi_gpio_pdata = {
332 .mosi = GPIO_LCD_DIN,
333 .miso = GPIO_LCD_DOUT,
337 static struct platform_device cm_x300_spi_gpio = {
339 .id = LCD_SPI_BUS_NUM,
341 .platform_data = &cm_x300_spi_gpio_pdata,
345 static struct tdo24m_platform_data cm_x300_tdo24m_pdata = {
349 static struct spi_board_info cm_x300_spi_devices[] __initdata = {
351 .modalias = "tdo24m",
352 .max_speed_hz = 1000000,
353 .bus_num = LCD_SPI_BUS_NUM,
355 .controller_data = (void *) GPIO_LCD_CS,
356 .platform_data = &cm_x300_tdo24m_pdata,
360 static void __init cm_x300_init_spi(void)
362 spi_register_board_info(cm_x300_spi_devices,
363 ARRAY_SIZE(cm_x300_spi_devices));
364 platform_device_register(&cm_x300_spi_gpio);
367 static inline void cm_x300_init_spi(void) {}
370 #if defined(CONFIG_SND_PXA2XX_LIB_AC97)
371 static void __init cm_x300_init_ac97(void)
373 pxa_set_ac97_info(NULL);
376 static inline void cm_x300_init_ac97(void) {}
379 #if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE)
380 static struct mtd_partition cm_x300_nand_partitions[] = {
385 .mask_flags = MTD_WRITEABLE, /* force read-only */
389 .offset = MTDPART_OFS_APPEND,
391 .mask_flags = MTD_WRITEABLE, /* force read-only */
394 .name = "Environment",
395 .offset = MTDPART_OFS_APPEND,
400 .offset = MTDPART_OFS_APPEND,
401 .size = SZ_256K + SZ_1M,
402 .mask_flags = MTD_WRITEABLE, /* force read-only */
406 .offset = MTDPART_OFS_APPEND,
411 .offset = MTDPART_OFS_APPEND,
412 .size = MTDPART_SIZ_FULL,
416 static struct pxa3xx_nand_platform_data cm_x300_nand_info = {
419 .parts = cm_x300_nand_partitions,
420 .nr_parts = ARRAY_SIZE(cm_x300_nand_partitions),
423 static void __init cm_x300_init_nand(void)
425 pxa3xx_set_nand_info(&cm_x300_nand_info);
428 static inline void cm_x300_init_nand(void) {}
431 #if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE)
432 static struct pxamci_platform_data cm_x300_mci_platform_data = {
434 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
435 .gpio_card_detect = GPIO82_MMC_IRQ,
436 .gpio_card_ro = GPIO85_MMC_WP,
440 /* The second MMC slot of CM-X300 is hardwired to Libertas card and has
441 no detection/ro pins */
442 static int cm_x300_mci2_init(struct device *dev,
443 irq_handler_t cm_x300_detect_int,
449 static void cm_x300_mci2_exit(struct device *dev, void *data)
453 static struct pxamci_platform_data cm_x300_mci2_platform_data = {
455 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
456 .init = cm_x300_mci2_init,
457 .exit = cm_x300_mci2_exit,
458 .gpio_card_detect = -1,
463 static void __init cm_x300_init_mmc(void)
465 pxa_set_mci_info(&cm_x300_mci_platform_data);
466 pxa3xx_set_mci2_info(&cm_x300_mci2_platform_data);
469 static inline void cm_x300_init_mmc(void) {}
472 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
473 static int cm_x300_ohci_init(struct device *dev)
477 | UP2OCR_HXOE | UP2OCR_DMPDE | UP2OCR_DPPDE;
482 static struct pxaohci_platform_data cm_x300_ohci_platform_data = {
483 .port_mode = PMM_PERPORT_MODE,
484 .flags = ENABLE_PORT_ALL | POWER_CONTROL_LOW,
485 .init = cm_x300_ohci_init,
488 static void __init cm_x300_init_ohci(void)
490 pxa_set_ohci_info(&cm_x300_ohci_platform_data);
493 static inline void cm_x300_init_ohci(void) {}
496 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
497 static struct gpio_led cm_x300_leds[] = {
499 .name = "cm-x300:green",
500 .default_trigger = "heartbeat",
505 static struct gpio_led_platform_data cm_x300_gpio_led_pdata = {
506 .num_leds = ARRAY_SIZE(cm_x300_leds),
507 .leds = cm_x300_leds,
510 static struct platform_device cm_x300_led_device = {
514 .platform_data = &cm_x300_gpio_led_pdata,
518 static void __init cm_x300_init_leds(void)
520 if (system_rev < 130)
521 cm_x300_leds[0].gpio = 79;
523 cm_x300_leds[0].gpio = 76;
525 platform_device_register(&cm_x300_led_device);
528 static inline void cm_x300_init_leds(void) {}
531 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
533 static struct pca953x_platform_data cm_x300_gpio_ext_pdata_0 = {
537 static struct pca953x_platform_data cm_x300_gpio_ext_pdata_1 = {
541 static struct i2c_board_info cm_x300_gpio_ext_info[] = {
543 I2C_BOARD_INFO("pca9555", 0x24),
544 .platform_data = &cm_x300_gpio_ext_pdata_0,
547 I2C_BOARD_INFO("pca9555", 0x25),
548 .platform_data = &cm_x300_gpio_ext_pdata_1,
552 static void __init cm_x300_init_i2c(void)
554 pxa_set_i2c_info(NULL);
555 i2c_register_board_info(0, cm_x300_gpio_ext_info,
556 ARRAY_SIZE(cm_x300_gpio_ext_info));
559 static inline void cm_x300_init_i2c(void) {}
562 #if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
563 struct v3020_platform_data cm_x300_v3020_pdata = {
565 .gpio_cs = GPIO95_RTC_CS,
566 .gpio_wr = GPIO96_RTC_WR,
567 .gpio_rd = GPIO97_RTC_RD,
568 .gpio_io = GPIO98_RTC_IO,
571 static struct platform_device cm_x300_rtc_device = {
575 .platform_data = &cm_x300_v3020_pdata,
579 static void __init cm_x300_init_rtc(void)
581 platform_device_register(&cm_x300_rtc_device);
584 static inline void cm_x300_init_rtc(void) {}
588 struct da903x_subdev_info cm_x300_da9030_subdevs[] = {
590 .name = "da903x-backlight",
591 .id = DA9030_ID_WLED,
595 static struct da903x_platform_data cm_x300_da9030_info = {
596 .num_subdevs = ARRAY_SIZE(cm_x300_da9030_subdevs),
597 .subdevs = cm_x300_da9030_subdevs,
600 static struct i2c_board_info cm_x300_pmic_info = {
601 I2C_BOARD_INFO("da9030", 0x49),
603 .platform_data = &cm_x300_da9030_info,
606 static struct i2c_pxa_platform_data cm_x300_pwr_i2c_info = {
610 static void __init cm_x300_init_da9030(void)
612 pxa3xx_set_i2c_power_info(&cm_x300_pwr_i2c_info);
613 i2c_register_board_info(1, &cm_x300_pmic_info, 1);
616 static void __init cm_x300_init_wi2wi(void)
618 int bt_reset, wlan_en;
621 if (system_rev < 130) {
629 /* Libertas and CSR reset */
630 err = gpio_request(wlan_en, "wlan en");
632 pr_err("CM-X300: failed to request wlan en gpio: %d\n", err);
634 gpio_direction_output(wlan_en, 1);
638 err = gpio_request(bt_reset, "bt reset");
640 pr_err("CM-X300: failed to request bt reset gpio: %d\n", err);
642 gpio_direction_output(bt_reset, 1);
644 gpio_set_value(bt_reset, 0);
646 gpio_set_value(bt_reset, 1);
652 static void __init cm_x300_init_mfp(void)
654 /* board-processor specific GPIO initialization */
655 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_mfp_cfg));
657 if (system_rev < 130)
658 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_rev_lt130_mfp_cfg));
660 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_rev_ge130_mfp_cfg));
663 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x310_mfp_cfg));
666 static void __init cm_x300_init(void)
670 pxa_set_ffuart_info(NULL);
671 pxa_set_btuart_info(NULL);
672 pxa_set_stuart_info(NULL);
674 cm_x300_init_da9030();
675 cm_x300_init_dm9000();
685 cm_x300_init_wi2wi();
689 static void __init cm_x300_fixup(struct machine_desc *mdesc, struct tag *tags,
690 char **cmdline, struct meminfo *mi)
693 mi->bank[0].start = 0xa0000000;
694 mi->bank[0].node = 0;
695 mi->bank[0].size = (64*1024*1024);
696 mi->bank[1].start = 0xc0000000;
697 mi->bank[1].node = 0;
698 mi->bank[1].size = (64*1024*1024);
701 MACHINE_START(CM_X300, "CM-X300 module")
702 .phys_io = 0x40000000,
703 .boot_params = 0xa0000100,
704 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
705 .map_io = pxa_map_io,
706 .init_irq = pxa3xx_init_irq,
708 .init_machine = cm_x300_init,
709 .fixup = cm_x300_fixup,