2 * Copyright (C) 2008 Sascha Hauer, Pengutronix
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
15 #include <linux/types.h>
16 #include <linux/init.h>
17 #include <linux/dma-mapping.h>
18 #include <linux/platform_device.h>
19 #include <linux/mtd/physmap.h>
20 #include <linux/mtd/plat-ram.h>
21 #include <linux/memory.h>
22 #include <linux/gpio.h>
23 #include <linux/smsc911x.h>
24 #include <linux/interrupt.h>
25 #include <linux/i2c.h>
26 #include <linux/platform_data/at24.h>
27 #include <linux/delay.h>
28 #include <linux/spi/spi.h>
29 #include <linux/irq.h>
30 #include <linux/can/platform/sja1000.h>
31 #include <linux/usb/otg.h>
32 #include <linux/usb/ulpi.h>
33 #include <linux/gfp.h>
34 #include <linux/regulator/machine.h>
35 #include <linux/regulator/fixed.h>
37 #include <asm/mach-types.h>
38 #include <asm/mach/arch.h>
39 #include <asm/mach/time.h>
40 #include <asm/mach/map.h>
43 #include "devices-imx31.h"
46 #include "iomux-mx3.h"
50 static enum pcm037_board_variant pcm037_instance
= PCM037_PCM970
;
52 static int __init
pcm037_variant_setup(char *str
)
54 if (!strcmp("eet", str
))
55 pcm037_instance
= PCM037_EET
;
56 else if (strcmp("pcm970", str
))
57 pr_warn("Unknown pcm037 baseboard variant %s\n", str
);
62 /* Supported values: "pcm970" (default) and "eet" */
63 __setup("pcm037_variant=", pcm037_variant_setup
);
65 enum pcm037_board_variant
pcm037_variant(void)
67 return pcm037_instance
;
70 /* UART1 with RTS/CTS handshake signals */
71 static unsigned int pcm037_uart1_handshake_pins
[] = {
78 /* UART1 without RTS/CTS handshake signals */
79 static unsigned int pcm037_uart1_pins
[] = {
84 static unsigned int pcm037_pins
[] = {
86 MX31_PIN_CSPI2_MOSI__SCL
,
87 MX31_PIN_CSPI2_MISO__SDA
,
88 MX31_PIN_CSPI2_SS2__I2C3_SDA
,
89 MX31_PIN_CSPI2_SCLK__I2C3_SCL
,
91 MX31_PIN_SD1_DATA3__SD1_DATA3
,
92 MX31_PIN_SD1_DATA2__SD1_DATA2
,
93 MX31_PIN_SD1_DATA1__SD1_DATA1
,
94 MX31_PIN_SD1_DATA0__SD1_DATA0
,
95 MX31_PIN_SD1_CLK__SD1_CLK
,
96 MX31_PIN_SD1_CMD__SD1_CMD
,
97 IOMUX_MODE(MX31_PIN_SCK6
, IOMUX_CONFIG_GPIO
), /* card detect */
98 IOMUX_MODE(MX31_PIN_SFS6
, IOMUX_CONFIG_GPIO
), /* write protect */
100 MX31_PIN_CSPI1_MOSI__MOSI
,
101 MX31_PIN_CSPI1_MISO__MISO
,
102 MX31_PIN_CSPI1_SCLK__SCLK
,
103 MX31_PIN_CSPI1_SPI_RDY__SPI_RDY
,
104 MX31_PIN_CSPI1_SS0__SS0
,
105 MX31_PIN_CSPI1_SS1__SS1
,
106 MX31_PIN_CSPI1_SS2__SS2
,
113 MX31_PIN_CSPI3_MOSI__RXD3
,
114 MX31_PIN_CSPI3_MISO__TXD3
,
115 MX31_PIN_CSPI3_SCLK__RTS3
,
116 MX31_PIN_CSPI3_SPI_RDY__CTS3
,
117 /* LAN9217 irq pin */
118 IOMUX_MODE(MX31_PIN_GPIO3_1
, IOMUX_CONFIG_GPIO
),
120 MX31_PIN_BATT_LINE__OWIRE
,
140 MX31_PIN_VSYNC3__VSYNC3
,
141 MX31_PIN_HSYNC__HSYNC
,
142 MX31_PIN_FPSHIFT__FPSHIFT
,
143 MX31_PIN_DRDY0__DRDY0
,
144 MX31_PIN_D3_REV__D3_REV
,
145 MX31_PIN_CONTRAST__CONTRAST
,
146 MX31_PIN_D3_SPL__D3_SPL
,
147 MX31_PIN_D3_CLS__D3_CLS
,
148 MX31_PIN_LCS0__GPIO3_23
,
150 IOMUX_MODE(MX31_PIN_ATA_DMACK
, IOMUX_CONFIG_GPIO
),
152 MX31_PIN_USBOTG_DATA0__USBOTG_DATA0
,
153 MX31_PIN_USBOTG_DATA1__USBOTG_DATA1
,
154 MX31_PIN_USBOTG_DATA2__USBOTG_DATA2
,
155 MX31_PIN_USBOTG_DATA3__USBOTG_DATA3
,
156 MX31_PIN_USBOTG_DATA4__USBOTG_DATA4
,
157 MX31_PIN_USBOTG_DATA5__USBOTG_DATA5
,
158 MX31_PIN_USBOTG_DATA6__USBOTG_DATA6
,
159 MX31_PIN_USBOTG_DATA7__USBOTG_DATA7
,
160 MX31_PIN_USBOTG_CLK__USBOTG_CLK
,
161 MX31_PIN_USBOTG_DIR__USBOTG_DIR
,
162 MX31_PIN_USBOTG_NXT__USBOTG_NXT
,
163 MX31_PIN_USBOTG_STP__USBOTG_STP
,
165 IOMUX_MODE(MX31_PIN_USBH2_CLK
, IOMUX_CONFIG_FUNC
),
166 IOMUX_MODE(MX31_PIN_USBH2_DIR
, IOMUX_CONFIG_FUNC
),
167 IOMUX_MODE(MX31_PIN_USBH2_NXT
, IOMUX_CONFIG_FUNC
),
168 IOMUX_MODE(MX31_PIN_USBH2_STP
, IOMUX_CONFIG_FUNC
),
169 IOMUX_MODE(MX31_PIN_USBH2_DATA0
, IOMUX_CONFIG_FUNC
),
170 IOMUX_MODE(MX31_PIN_USBH2_DATA1
, IOMUX_CONFIG_FUNC
),
171 IOMUX_MODE(MX31_PIN_STXD3
, IOMUX_CONFIG_FUNC
),
172 IOMUX_MODE(MX31_PIN_SRXD3
, IOMUX_CONFIG_FUNC
),
173 IOMUX_MODE(MX31_PIN_SCK3
, IOMUX_CONFIG_FUNC
),
174 IOMUX_MODE(MX31_PIN_SFS3
, IOMUX_CONFIG_FUNC
),
175 IOMUX_MODE(MX31_PIN_STXD6
, IOMUX_CONFIG_FUNC
),
176 IOMUX_MODE(MX31_PIN_SRXD6
, IOMUX_CONFIG_FUNC
),
179 static struct physmap_flash_data pcm037_flash_data
= {
183 static struct resource pcm037_flash_resource
= {
186 .flags
= IORESOURCE_MEM
,
189 static struct platform_device pcm037_flash
= {
190 .name
= "physmap-flash",
193 .platform_data
= &pcm037_flash_data
,
195 .resource
= &pcm037_flash_resource
,
199 static const struct imxuart_platform_data uart_pdata __initconst
= {
200 .flags
= IMXUART_HAVE_RTSCTS
,
203 static struct resource smsc911x_resources
[] = {
205 .start
= MX31_CS1_BASE_ADDR
+ 0x300,
206 .end
= MX31_CS1_BASE_ADDR
+ 0x300 + SZ_64K
- 1,
207 .flags
= IORESOURCE_MEM
,
209 /* irq number is run-time assigned */
210 .flags
= IORESOURCE_IRQ
| IORESOURCE_IRQ_LOWLEVEL
,
214 static struct smsc911x_platform_config smsc911x_info
= {
215 .flags
= SMSC911X_USE_32BIT
| SMSC911X_FORCE_INTERNAL_PHY
|
216 SMSC911X_SAVE_MAC_ADDRESS
,
217 .irq_polarity
= SMSC911X_IRQ_POLARITY_ACTIVE_LOW
,
218 .irq_type
= SMSC911X_IRQ_TYPE_OPEN_DRAIN
,
219 .phy_interface
= PHY_INTERFACE_MODE_MII
,
222 static struct platform_device pcm037_eth
= {
225 .num_resources
= ARRAY_SIZE(smsc911x_resources
),
226 .resource
= smsc911x_resources
,
228 .platform_data
= &smsc911x_info
,
232 static struct platdata_mtd_ram pcm038_sram_data
= {
236 static struct resource pcm038_sram_resource
= {
237 .start
= MX31_CS4_BASE_ADDR
,
238 .end
= MX31_CS4_BASE_ADDR
+ 512 * 1024 - 1,
239 .flags
= IORESOURCE_MEM
,
242 static struct platform_device pcm037_sram_device
= {
246 .platform_data
= &pcm038_sram_data
,
249 .resource
= &pcm038_sram_resource
,
252 static const struct mxc_nand_platform_data
253 pcm037_nand_board_info __initconst
= {
258 static const struct imxi2c_platform_data pcm037_i2c1_data __initconst
= {
262 static const struct imxi2c_platform_data pcm037_i2c2_data __initconst
= {
266 static struct at24_platform_data board_eeprom
= {
269 .flags
= AT24_FLAG_ADDR16
,
272 static struct i2c_board_info pcm037_i2c_devices
[] = {
274 I2C_BOARD_INFO("at24", 0x52), /* E0=0, E1=1, E2=0 */
275 .platform_data
= &board_eeprom
,
277 I2C_BOARD_INFO("pcf8563", 0x51),
281 /* Not connected by default */
282 #ifdef PCM970_SDHC_RW_SWITCH
283 static int pcm970_sdhc1_get_ro(struct device
*dev
)
285 return gpio_get_value(IOMUX_TO_GPIO(MX31_PIN_SFS6
));
289 #define SDHC1_GPIO_WP IOMUX_TO_GPIO(MX31_PIN_SFS6)
290 #define SDHC1_GPIO_DET IOMUX_TO_GPIO(MX31_PIN_SCK6)
292 static int pcm970_sdhc1_init(struct device
*dev
, irq_handler_t detect_irq
,
297 ret
= gpio_request(SDHC1_GPIO_DET
, "sdhc-detect");
301 gpio_direction_input(SDHC1_GPIO_DET
);
303 #ifdef PCM970_SDHC_RW_SWITCH
304 ret
= gpio_request(SDHC1_GPIO_WP
, "sdhc-wp");
307 gpio_direction_input(SDHC1_GPIO_WP
);
310 ret
= request_irq(gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_SCK6
)), detect_irq
,
311 IRQF_TRIGGER_FALLING
, "sdhc-detect", data
);
313 goto err_gpio_free_2
;
318 #ifdef PCM970_SDHC_RW_SWITCH
319 gpio_free(SDHC1_GPIO_WP
);
322 gpio_free(SDHC1_GPIO_DET
);
327 static void pcm970_sdhc1_exit(struct device
*dev
, void *data
)
329 free_irq(gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_SCK6
)), data
);
330 gpio_free(SDHC1_GPIO_DET
);
331 gpio_free(SDHC1_GPIO_WP
);
334 static const struct imxmmc_platform_data sdhc_pdata __initconst
= {
335 #ifdef PCM970_SDHC_RW_SWITCH
336 .get_ro
= pcm970_sdhc1_get_ro
,
338 .init
= pcm970_sdhc1_init
,
339 .exit
= pcm970_sdhc1_exit
,
342 static struct platform_device
*devices
[] __initdata
= {
347 static const struct fb_videomode fb_modedb
[] = {
349 /* 240x320 @ 60 Hz Sharp */
350 .name
= "Sharp-LQ035Q7DH06-QVGA",
361 .sync
= FB_SYNC_HOR_HIGH_ACT
| FB_SYNC_SHARP_MODE
|
362 FB_SYNC_CLK_INVERT
| FB_SYNC_CLK_IDLE_EN
,
363 .vmode
= FB_VMODE_NONINTERLACED
,
366 /* 240x320 @ 60 Hz */
378 .sync
= FB_SYNC_VERT_HIGH_ACT
| FB_SYNC_OE_ACT_HIGH
,
379 .vmode
= FB_VMODE_NONINTERLACED
,
382 /* 240x320 @ 60 Hz */
394 .sync
= FB_SYNC_OE_ACT_HIGH
| FB_SYNC_CLK_INVERT
,
395 .vmode
= FB_VMODE_NONINTERLACED
,
400 static struct mx3fb_platform_data mx3fb_pdata
= {
401 .name
= "Sharp-LQ035Q7DH06-QVGA",
403 .num_modes
= ARRAY_SIZE(fb_modedb
),
406 static struct resource pcm970_sja1000_resources
[] = {
408 .start
= MX31_CS5_BASE_ADDR
,
409 .end
= MX31_CS5_BASE_ADDR
+ 0x100 - 1,
410 .flags
= IORESOURCE_MEM
,
412 /* irq number is run-time assigned */
413 .flags
= IORESOURCE_IRQ
| IORESOURCE_IRQ_LOWEDGE
,
417 struct sja1000_platform_data pcm970_sja1000_platform_data
= {
418 .osc_freq
= 16000000,
419 .ocr
= OCR_TX1_PULLDOWN
| OCR_TX0_PUSHPULL
,
423 static struct platform_device pcm970_sja1000
= {
424 .name
= "sja1000_platform",
426 .platform_data
= &pcm970_sja1000_platform_data
,
428 .resource
= pcm970_sja1000_resources
,
429 .num_resources
= ARRAY_SIZE(pcm970_sja1000_resources
),
432 static int pcm037_otg_init(struct platform_device
*pdev
)
434 return mx31_initialize_usb_hw(pdev
->id
, MXC_EHCI_INTERFACE_DIFF_UNI
);
437 static struct mxc_usbh_platform_data otg_pdata __initdata
= {
438 .init
= pcm037_otg_init
,
439 .portsc
= MXC_EHCI_MODE_ULPI
,
442 static int pcm037_usbh2_init(struct platform_device
*pdev
)
444 return mx31_initialize_usb_hw(pdev
->id
, MXC_EHCI_INTERFACE_DIFF_UNI
);
447 static struct mxc_usbh_platform_data usbh2_pdata __initdata
= {
448 .init
= pcm037_usbh2_init
,
449 .portsc
= MXC_EHCI_MODE_ULPI
,
452 static const struct fsl_usb2_platform_data otg_device_pdata __initconst
= {
453 .operating_mode
= FSL_USB2_DR_DEVICE
,
454 .phy_mode
= FSL_USB2_PHY_ULPI
,
457 static bool otg_mode_host __initdata
;
459 static int __init
pcm037_otg_mode(char *options
)
461 if (!strcmp(options
, "host"))
462 otg_mode_host
= true;
463 else if (!strcmp(options
, "device"))
464 otg_mode_host
= false;
466 pr_info("otg_mode neither \"host\" nor \"device\". "
467 "Defaulting to device\n");
470 __setup("otg_mode=", pcm037_otg_mode
);
472 static struct regulator_consumer_supply dummy_supplies
[] = {
473 REGULATOR_SUPPLY("vdd33a", "smsc911x"),
474 REGULATOR_SUPPLY("vddvario", "smsc911x"),
478 * Board specific initialization.
480 static void __init
pcm037_init(void)
484 regulator_register_fixed(0, dummy_supplies
, ARRAY_SIZE(dummy_supplies
));
486 mxc_iomux_set_gpr(MUX_PGP_UH2
, 1);
488 mxc_iomux_setup_multiple_pins(pcm037_pins
, ARRAY_SIZE(pcm037_pins
),
491 #define H2_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS \
492 | PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)
494 mxc_iomux_set_pad(MX31_PIN_USBH2_CLK
, H2_PAD_CFG
);
495 mxc_iomux_set_pad(MX31_PIN_USBH2_DIR
, H2_PAD_CFG
);
496 mxc_iomux_set_pad(MX31_PIN_USBH2_NXT
, H2_PAD_CFG
);
497 mxc_iomux_set_pad(MX31_PIN_USBH2_STP
, H2_PAD_CFG
);
498 mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0
, H2_PAD_CFG
); /* USBH2_DATA0 */
499 mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1
, H2_PAD_CFG
); /* USBH2_DATA1 */
500 mxc_iomux_set_pad(MX31_PIN_SRXD6
, H2_PAD_CFG
); /* USBH2_DATA2 */
501 mxc_iomux_set_pad(MX31_PIN_STXD6
, H2_PAD_CFG
); /* USBH2_DATA3 */
502 mxc_iomux_set_pad(MX31_PIN_SFS3
, H2_PAD_CFG
); /* USBH2_DATA4 */
503 mxc_iomux_set_pad(MX31_PIN_SCK3
, H2_PAD_CFG
); /* USBH2_DATA5 */
504 mxc_iomux_set_pad(MX31_PIN_SRXD3
, H2_PAD_CFG
); /* USBH2_DATA6 */
505 mxc_iomux_set_pad(MX31_PIN_STXD3
, H2_PAD_CFG
); /* USBH2_DATA7 */
507 if (pcm037_variant() == PCM037_EET
)
508 mxc_iomux_setup_multiple_pins(pcm037_uart1_pins
,
509 ARRAY_SIZE(pcm037_uart1_pins
), "pcm037_uart1");
511 mxc_iomux_setup_multiple_pins(pcm037_uart1_handshake_pins
,
512 ARRAY_SIZE(pcm037_uart1_handshake_pins
),
515 platform_add_devices(devices
, ARRAY_SIZE(devices
));
517 imx31_add_imx2_wdt();
518 imx31_add_imx_uart0(&uart_pdata
);
519 /* XXX: should't this have .flags = 0 (i.e. no RTSCTS) on PCM037_EET? */
520 imx31_add_imx_uart1(&uart_pdata
);
521 imx31_add_imx_uart2(&uart_pdata
);
525 /* I2C adapters and devices */
526 i2c_register_board_info(1, pcm037_i2c_devices
,
527 ARRAY_SIZE(pcm037_i2c_devices
));
529 imx31_add_imx_i2c1(&pcm037_i2c1_data
);
530 imx31_add_imx_i2c2(&pcm037_i2c2_data
);
532 imx31_add_mxc_nand(&pcm037_nand_board_info
);
533 imx31_add_ipu_core();
534 imx31_add_mx3_sdc_fb(&mx3fb_pdata
);
537 otg_pdata
.otg
= imx_otg_ulpi_create(ULPI_OTG_DRVVBUS
|
538 ULPI_OTG_DRVVBUS_EXT
);
540 imx31_add_mxc_ehci_otg(&otg_pdata
);
543 usbh2_pdata
.otg
= imx_otg_ulpi_create(ULPI_OTG_DRVVBUS
|
544 ULPI_OTG_DRVVBUS_EXT
);
546 imx31_add_mxc_ehci_hs(2, &usbh2_pdata
);
549 imx31_add_fsl_usb2_udc(&otg_device_pdata
);
552 static void __init
pcm037_timer_init(void)
554 mx31_clocks_init(26000000);
557 static void __init
pcm037_init_late(void)
561 /* LAN9217 IRQ pin */
562 ret
= gpio_request(IOMUX_TO_GPIO(MX31_PIN_GPIO3_1
), "lan9217-irq");
564 gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_GPIO3_1
));
565 smsc911x_resources
[1].start
=
566 gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO3_1
));
567 smsc911x_resources
[1].end
=
568 gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO3_1
));
569 platform_device_register(&pcm037_eth
);
571 pr_warn("could not get LAN irq gpio\n");
574 imx31_add_mxc_mmc(0, &sdhc_pdata
);
576 pcm970_sja1000_resources
[1].start
=
577 gpio_to_irq(IOMUX_TO_GPIO(IOMUX_PIN(48, 105)));
578 pcm970_sja1000_resources
[1].end
=
579 gpio_to_irq(IOMUX_TO_GPIO(IOMUX_PIN(48, 105)));
580 platform_device_register(&pcm970_sja1000
);
582 pcm037_eet_init_devices();
585 MACHINE_START(PCM037
, "Phytec Phycore pcm037")
586 /* Maintainer: Pengutronix */
587 .atag_offset
= 0x100,
588 .map_io
= mx31_map_io
,
589 .init_early
= imx31_init_early
,
590 .init_irq
= mx31_init_irq
,
591 .init_time
= pcm037_timer_init
,
592 .init_machine
= pcm037_init
,
593 .init_late
= pcm037_init_late
,
594 .restart
= mxc_restart
,