2 * linux/arch/arm/mach-omap2/board-omap3evm.c
4 * Copyright (C) 2008 Guangzhou EMA-Tech
6 * Modified from mach-omap2/board-omap3evm.c
8 * Initial code: Syed Mohammed Khasim
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.
15 #include <linux/kernel.h>
16 #include <linux/init.h>
17 #include <linux/platform_device.h>
18 #include <linux/delay.h>
19 #include <linux/err.h>
20 #include <linux/clk.h>
22 #include <linux/leds.h>
23 #include <linux/gpio.h>
24 #include <linux/input.h>
25 #include <linux/gpio_keys.h>
27 #include <linux/regulator/machine.h>
28 #include <linux/i2c/twl.h>
29 #include <linux/mmc/host.h>
31 #include <mach/hardware.h>
32 #include <asm/mach-types.h>
33 #include <asm/mach/arch.h>
34 #include <asm/mach/map.h>
35 #include <asm/mach/flash.h>
37 #include <plat/board.h>
38 #include <plat/common.h>
39 #include <plat/gpmc.h>
40 #include <plat/nand.h>
42 #include <plat/display.h>
44 #include <plat/mcspi.h>
45 #include <linux/input/matrix_keypad.h>
46 #include <linux/spi/spi.h>
47 #include <linux/spi/ads7846.h>
48 #include <linux/interrupt.h>
49 #include <linux/smsc911x.h>
50 #include <linux/i2c/at24.h>
52 #include "sdram-micron-mt46h32m32lf-6.h"
57 #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
58 #define OMAP3STALKER_ETHR_START 0x2c000000
59 #define OMAP3STALKER_ETHR_SIZE 1024
60 #define OMAP3STALKER_ETHR_GPIO_IRQ 19
61 #define OMAP3STALKER_SMC911X_CS 5
63 static struct resource omap3stalker_smsc911x_resources
[] = {
65 .start
= OMAP3STALKER_ETHR_START
,
67 (OMAP3STALKER_ETHR_START
+ OMAP3STALKER_ETHR_SIZE
- 1),
68 .flags
= IORESOURCE_MEM
,
71 .start
= OMAP_GPIO_IRQ(OMAP3STALKER_ETHR_GPIO_IRQ
),
72 .end
= OMAP_GPIO_IRQ(OMAP3STALKER_ETHR_GPIO_IRQ
),
73 .flags
= (IORESOURCE_IRQ
| IRQF_TRIGGER_LOW
),
77 static struct smsc911x_platform_config smsc911x_config
= {
78 .phy_interface
= PHY_INTERFACE_MODE_MII
,
79 .irq_polarity
= SMSC911X_IRQ_POLARITY_ACTIVE_LOW
,
80 .irq_type
= SMSC911X_IRQ_TYPE_OPEN_DRAIN
,
81 .flags
= (SMSC911X_USE_32BIT
| SMSC911X_SAVE_MAC_ADDRESS
),
84 static struct platform_device omap3stalker_smsc911x_device
= {
87 .num_resources
= ARRAY_SIZE(omap3stalker_smsc911x_resources
),
88 .resource
= &omap3stalker_smsc911x_resources
[0],
90 .platform_data
= &smsc911x_config
,
94 static inline void __init
omap3stalker_init_eth(void)
100 eth_cs
= OMAP3STALKER_SMC911X_CS
;
102 l3ck
= clk_get(NULL
, "l3_ck");
106 rate
= clk_get_rate(l3ck
);
108 omap_mux_init_gpio(19, OMAP_PIN_INPUT_PULLUP
);
109 if (gpio_request(OMAP3STALKER_ETHR_GPIO_IRQ
, "SMC911x irq") < 0) {
111 "Failed to request GPIO%d for smc911x IRQ\n",
112 OMAP3STALKER_ETHR_GPIO_IRQ
);
116 gpio_direction_input(OMAP3STALKER_ETHR_GPIO_IRQ
);
118 platform_device_register(&omap3stalker_smsc911x_device
);
122 static inline void __init
omap3stalker_init_eth(void)
129 * OMAP3 DSS control signals
132 #define DSS_ENABLE_GPIO 199
133 #define LCD_PANEL_BKLIGHT_GPIO 210
134 #define ENABLE_VPLL2_DEV_GRP 0xE0
136 static int lcd_enabled
;
137 static int dvi_enabled
;
139 static void __init
omap3_stalker_display_init(void)
144 static int omap3_stalker_enable_lcd(struct omap_dss_device
*dssdev
)
147 printk(KERN_ERR
"cannot enable LCD, DVI is enabled\n");
150 gpio_set_value(DSS_ENABLE_GPIO
, 1);
151 gpio_set_value(LCD_PANEL_BKLIGHT_GPIO
, 1);
156 static void omap3_stalker_disable_lcd(struct omap_dss_device
*dssdev
)
158 gpio_set_value(DSS_ENABLE_GPIO
, 0);
159 gpio_set_value(LCD_PANEL_BKLIGHT_GPIO
, 0);
163 static struct omap_dss_device omap3_stalker_lcd_device
= {
165 .driver_name
= "generic_panel",
166 .phy
.dpi
.data_lines
= 24,
167 .type
= OMAP_DISPLAY_TYPE_DPI
,
168 .platform_enable
= omap3_stalker_enable_lcd
,
169 .platform_disable
= omap3_stalker_disable_lcd
,
172 static int omap3_stalker_enable_tv(struct omap_dss_device
*dssdev
)
177 static void omap3_stalker_disable_tv(struct omap_dss_device
*dssdev
)
181 static struct omap_dss_device omap3_stalker_tv_device
= {
183 .driver_name
= "venc",
184 .type
= OMAP_DISPLAY_TYPE_VENC
,
185 #if defined(CONFIG_OMAP2_VENC_OUT_TYPE_SVIDEO)
186 .phy
.venc
.type
= OMAP_DSS_VENC_TYPE_SVIDEO
,
187 #elif defined(CONFIG_OMAP2_VENC_OUT_TYPE_COMPOSITE)
188 .u
.venc
.type
= OMAP_DSS_VENC_TYPE_COMPOSITE
,
190 .platform_enable
= omap3_stalker_enable_tv
,
191 .platform_disable
= omap3_stalker_disable_tv
,
194 static int omap3_stalker_enable_dvi(struct omap_dss_device
*dssdev
)
197 printk(KERN_ERR
"cannot enable DVI, LCD is enabled\n");
200 gpio_set_value(DSS_ENABLE_GPIO
, 1);
205 static void omap3_stalker_disable_dvi(struct omap_dss_device
*dssdev
)
207 gpio_set_value(DSS_ENABLE_GPIO
, 0);
211 static struct omap_dss_device omap3_stalker_dvi_device
= {
213 .driver_name
= "generic_panel",
214 .type
= OMAP_DISPLAY_TYPE_DPI
,
215 .phy
.dpi
.data_lines
= 24,
216 .platform_enable
= omap3_stalker_enable_dvi
,
217 .platform_disable
= omap3_stalker_disable_dvi
,
220 static struct omap_dss_device
*omap3_stalker_dss_devices
[] = {
221 &omap3_stalker_lcd_device
,
222 &omap3_stalker_tv_device
,
223 &omap3_stalker_dvi_device
,
226 static struct omap_dss_board_info omap3_stalker_dss_data
= {
227 .num_devices
= ARRAY_SIZE(omap3_stalker_dss_devices
),
228 .devices
= omap3_stalker_dss_devices
,
229 .default_device
= &omap3_stalker_dvi_device
,
232 static struct platform_device omap3_stalker_dss_device
= {
236 .platform_data
= &omap3_stalker_dss_data
,
240 static struct regulator_consumer_supply omap3stalker_vmmc1_supply
= {
244 static struct regulator_consumer_supply omap3stalker_vsim_supply
= {
245 .supply
= "vmmc_aux",
248 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
249 static struct regulator_init_data omap3stalker_vmmc1
= {
253 .valid_modes_mask
= REGULATOR_MODE_NORMAL
254 | REGULATOR_MODE_STANDBY
,
255 .valid_ops_mask
= REGULATOR_CHANGE_VOLTAGE
256 | REGULATOR_CHANGE_MODE
| REGULATOR_CHANGE_STATUS
,
258 .num_consumer_supplies
= 1,
259 .consumer_supplies
= &omap3stalker_vmmc1_supply
,
262 /* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
263 static struct regulator_init_data omap3stalker_vsim
= {
267 .valid_modes_mask
= REGULATOR_MODE_NORMAL
268 | REGULATOR_MODE_STANDBY
,
269 .valid_ops_mask
= REGULATOR_CHANGE_VOLTAGE
270 | REGULATOR_CHANGE_MODE
| REGULATOR_CHANGE_STATUS
,
272 .num_consumer_supplies
= 1,
273 .consumer_supplies
= &omap3stalker_vsim_supply
,
276 static struct omap2_hsmmc_info mmc
[] = {
279 .caps
= MMC_CAP_4_BIT_DATA
,
286 static struct gpio_keys_button gpio_buttons
[] = {
295 static struct gpio_keys_platform_data gpio_key_info
= {
296 .buttons
= gpio_buttons
,
297 .nbuttons
= ARRAY_SIZE(gpio_buttons
),
300 static struct platform_device keys_gpio
= {
304 .platform_data
= &gpio_key_info
,
308 static struct gpio_led gpio_leds
[] = {
310 .name
= "stalker:D8:usr0",
311 .default_trigger
= "default-on",
315 .name
= "stalker:D9:usr1",
316 .default_trigger
= "default-on",
320 .name
= "stalker:D3:mmc0",
321 .gpio
= -EINVAL
, /* gets replaced */
323 .default_trigger
= "mmc0",
326 .name
= "stalker:D4:heartbeat",
327 .gpio
= -EINVAL
, /* gets replaced */
329 .default_trigger
= "heartbeat",
333 static struct gpio_led_platform_data gpio_led_info
= {
335 .num_leds
= ARRAY_SIZE(gpio_leds
),
338 static struct platform_device leds_gpio
= {
342 .platform_data
= &gpio_led_info
,
347 omap3stalker_twl_gpio_setup(struct device
*dev
,
348 unsigned gpio
, unsigned ngpio
)
350 /* gpio + 0 is "mmc0_cd" (input/IRQ) */
351 omap_mux_init_gpio(23, OMAP_PIN_INPUT
);
352 mmc
[0].gpio_cd
= gpio
+ 0;
353 omap2_hsmmc_init(mmc
);
355 /* link regulators to MMC adapters */
356 omap3stalker_vmmc1_supply
.dev
= mmc
[0].dev
;
357 omap3stalker_vsim_supply
.dev
= mmc
[0].dev
;
360 * Most GPIOs are for USB OTG. Some are mostly sent to
361 * the P2 connector; notably LEDA for the LCD backlight.
364 /* TWL4030_GPIO_MAX + 0 == ledA, LCD Backlight control */
365 gpio_request(gpio
+ TWL4030_GPIO_MAX
, "EN_LCD_BKL");
366 gpio_direction_output(gpio
+ TWL4030_GPIO_MAX
, 0);
368 /* gpio + 7 == DVI Enable */
369 gpio_request(gpio
+ 7, "EN_DVI");
370 gpio_direction_output(gpio
+ 7, 0);
372 /* TWL4030_GPIO_MAX + 1 == ledB (out, mmc0) */
373 gpio_leds
[2].gpio
= gpio
+ TWL4030_GPIO_MAX
+ 1;
374 /* GPIO + 13 == ledsync (out, heartbeat) */
375 gpio_leds
[3].gpio
= gpio
+ 13;
377 platform_device_register(&leds_gpio
);
381 static struct twl4030_gpio_platform_data omap3stalker_gpio_data
= {
382 .gpio_base
= OMAP_MAX_GPIO_LINES
,
383 .irq_base
= TWL4030_GPIO_IRQ_BASE
,
384 .irq_end
= TWL4030_GPIO_IRQ_END
,
386 .setup
= omap3stalker_twl_gpio_setup
,
389 static struct twl4030_usb_data omap3stalker_usb_data
= {
390 .usb_mode
= T2_USB_MODE_ULPI
,
393 static uint32_t board_keymap
[] = {
396 KEY(0, 2, KEY_ENTER
),
399 KEY(1, 0, KEY_RIGHT
),
415 static struct matrix_keymap_data board_map_data
= {
416 .keymap
= board_keymap
,
417 .keymap_size
= ARRAY_SIZE(board_keymap
),
420 static struct twl4030_keypad_data omap3stalker_kp_data
= {
421 .keymap_data
= &board_map_data
,
427 static struct twl4030_madc_platform_data omap3stalker_madc_data
= {
431 static struct twl4030_codec_audio_data omap3stalker_audio_data
= {
432 .audio_mclk
= 26000000,
435 static struct twl4030_codec_data omap3stalker_codec_data
= {
436 .audio_mclk
= 26000000,
437 .audio
= &omap3stalker_audio_data
,
440 static struct regulator_consumer_supply omap3_stalker_vdda_dac_supply
= {
441 .supply
= "vdda_dac",
442 .dev
= &omap3_stalker_dss_device
.dev
,
445 /* VDAC for DSS driving S-Video */
446 static struct regulator_init_data omap3_stalker_vdac
= {
451 .valid_modes_mask
= REGULATOR_MODE_NORMAL
452 | REGULATOR_MODE_STANDBY
,
453 .valid_ops_mask
= REGULATOR_CHANGE_MODE
454 | REGULATOR_CHANGE_STATUS
,
456 .num_consumer_supplies
= 1,
457 .consumer_supplies
= &omap3_stalker_vdda_dac_supply
,
460 /* VPLL2 for digital video outputs */
461 static struct regulator_consumer_supply omap3_stalker_vpll2_supply
= {
462 .supply
= "vdds_dsi",
463 .dev
= &omap3_stalker_lcd_device
.dev
,
466 static struct regulator_init_data omap3_stalker_vpll2
= {
472 .valid_modes_mask
= REGULATOR_MODE_NORMAL
473 | REGULATOR_MODE_STANDBY
,
474 .valid_ops_mask
= REGULATOR_CHANGE_MODE
475 | REGULATOR_CHANGE_STATUS
,
477 .num_consumer_supplies
= 1,
478 .consumer_supplies
= &omap3_stalker_vpll2_supply
,
481 static struct twl4030_platform_data omap3stalker_twldata
= {
482 .irq_base
= TWL4030_IRQ_BASE
,
483 .irq_end
= TWL4030_IRQ_END
,
485 /* platform_data for children goes here */
486 .keypad
= &omap3stalker_kp_data
,
487 .madc
= &omap3stalker_madc_data
,
488 .usb
= &omap3stalker_usb_data
,
489 .gpio
= &omap3stalker_gpio_data
,
490 .codec
= &omap3stalker_codec_data
,
491 .vdac
= &omap3_stalker_vdac
,
492 .vpll2
= &omap3_stalker_vpll2
,
495 static struct i2c_board_info __initdata omap3stalker_i2c_boardinfo
[] = {
497 I2C_BOARD_INFO("twl4030", 0x48),
498 .flags
= I2C_CLIENT_WAKE
,
499 .irq
= INT_34XX_SYS_NIRQ
,
500 .platform_data
= &omap3stalker_twldata
,
504 static struct at24_platform_data fram_info
= {
505 .byte_len
= (64 * 1024) / 8,
507 .flags
= AT24_FLAG_ADDR16
| AT24_FLAG_IRUGO
,
510 static struct i2c_board_info __initdata omap3stalker_i2c_boardinfo3
[] = {
512 I2C_BOARD_INFO("24c64", 0x50),
513 .flags
= I2C_CLIENT_WAKE
,
514 .platform_data
= &fram_info
,
518 static int __init
omap3_stalker_i2c_init(void)
521 * REVISIT: These entries can be set in omap3evm_twl_data
522 * after a merge with MFD tree
524 omap3stalker_twldata
.vmmc1
= &omap3stalker_vmmc1
;
525 omap3stalker_twldata
.vsim
= &omap3stalker_vsim
;
527 omap_register_i2c_bus(1, 2600, omap3stalker_i2c_boardinfo
,
528 ARRAY_SIZE(omap3stalker_i2c_boardinfo
));
529 omap_register_i2c_bus(2, 400, NULL
, 0);
530 omap_register_i2c_bus(3, 400, omap3stalker_i2c_boardinfo3
,
531 ARRAY_SIZE(omap3stalker_i2c_boardinfo3
));
535 #define OMAP3_STALKER_TS_GPIO 175
536 static void ads7846_dev_init(void)
538 if (gpio_request(OMAP3_STALKER_TS_GPIO
, "ADS7846 pendown") < 0)
539 printk(KERN_ERR
"can't get ads7846 pen down GPIO\n");
541 gpio_direction_input(OMAP3_STALKER_TS_GPIO
);
542 gpio_set_debounce(OMAP3_STALKER_TS_GPIO
, 310);
545 static int ads7846_get_pendown_state(void)
547 return !gpio_get_value(OMAP3_STALKER_TS_GPIO
);
550 static struct ads7846_platform_data ads7846_config
= {
558 .get_pendown_state
= ads7846_get_pendown_state
,
560 .settle_delay_usecs
= 150,
563 static struct omap2_mcspi_device_config ads7846_mcspi_config
= {
565 .single_channel
= 1, /* 0: slave, 1: master */
568 static struct spi_board_info omap3stalker_spi_board_info
[] = {
570 .modalias
= "ads7846",
573 .max_speed_hz
= 1500000,
574 .controller_data
= &ads7846_mcspi_config
,
575 .irq
= OMAP_GPIO_IRQ(OMAP3_STALKER_TS_GPIO
),
576 .platform_data
= &ads7846_config
,
580 static struct omap_board_config_kernel omap3_stalker_config
[] __initdata
= {
583 static void __init
omap3_stalker_init_irq(void)
585 omap_board_config
= omap3_stalker_config
;
586 omap_board_config_size
= ARRAY_SIZE(omap3_stalker_config
);
587 omap2_init_common_hw(mt46h32m32lf6_sdrc_params
, NULL
);
589 #ifdef CONFIG_OMAP_32K_TIMER
590 omap2_gp_clockevent_set_gptimer(12);
595 static struct platform_device
*omap3_stalker_devices
[] __initdata
= {
596 &omap3_stalker_dss_device
,
600 static struct ehci_hcd_omap_platform_data ehci_pdata __initconst
= {
601 .port_mode
[0] = EHCI_HCD_OMAP_MODE_UNKNOWN
,
602 .port_mode
[1] = EHCI_HCD_OMAP_MODE_PHY
,
603 .port_mode
[2] = EHCI_HCD_OMAP_MODE_UNKNOWN
,
606 .reset_gpio_port
[0] = -EINVAL
,
607 .reset_gpio_port
[1] = 21,
608 .reset_gpio_port
[2] = -EINVAL
,
611 #ifdef CONFIG_OMAP_MUX
612 static struct omap_board_mux board_mux
[] __initdata
= {
613 OMAP3_MUX(SYS_NIRQ
, OMAP_MUX_MODE0
| OMAP_PIN_INPUT_PULLUP
|
614 OMAP_PIN_OFF_INPUT_PULLUP
| OMAP_PIN_OFF_WAKEUPENABLE
),
615 OMAP3_MUX(MCSPI1_CS1
, OMAP_MUX_MODE4
| OMAP_PIN_INPUT_PULLUP
|
616 OMAP_PIN_OFF_INPUT_PULLUP
| OMAP_PIN_OFF_WAKEUPENABLE
),
617 {.reg_offset
= OMAP_MUX_TERMINATOR
},
620 #define board_mux NULL
623 static struct omap_musb_board_data musb_board_data
= {
624 .interface_type
= MUSB_INTERFACE_ULPI
,
629 static void __init
omap3_stalker_init(void)
631 omap3_mux_init(board_mux
, OMAP_PACKAGE_CUS
);
633 omap3_stalker_i2c_init();
635 platform_add_devices(omap3_stalker_devices
,
636 ARRAY_SIZE(omap3_stalker_devices
));
638 spi_register_board_info(omap3stalker_spi_board_info
,
639 ARRAY_SIZE(omap3stalker_spi_board_info
));
642 usb_musb_init(&musb_board_data
);
643 usb_ehci_init(&ehci_pdata
);
646 omap_mux_init_gpio(21, OMAP_PIN_OUTPUT
);
647 omap_mux_init_gpio(18, OMAP_PIN_INPUT_PULLUP
);
649 omap3stalker_init_eth();
650 omap3_stalker_display_init();
651 /* Ensure SDRC pins are mux'd for self-refresh */
652 omap_mux_init_signal("sdr_cke0", OMAP_PIN_OUTPUT
);
653 omap_mux_init_signal("sdr_cke1", OMAP_PIN_OUTPUT
);
656 MACHINE_START(SBC3530
, "OMAP3 STALKER")
657 /* Maintainer: Jason Lam -lzg@ema-tech.com */
658 .boot_params
= 0x80000100,
659 .map_io
= omap3_map_io
,
660 .init_irq
= omap3_stalker_init_irq
,
661 .init_machine
= omap3_stalker_init
,
662 .timer
= &omap_timer
,