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>
30 #include <mach/hardware.h>
31 #include <asm/mach-types.h>
32 #include <asm/mach/arch.h>
33 #include <asm/mach/map.h>
34 #include <asm/mach/flash.h>
36 #include <plat/board.h>
37 #include <plat/common.h>
38 #include <plat/gpmc.h>
39 #include <plat/nand.h>
41 #include <plat/timer-gp.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"
56 #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
57 #define OMAP3STALKER_ETHR_START 0x2c000000
58 #define OMAP3STALKER_ETHR_SIZE 1024
59 #define OMAP3STALKER_ETHR_GPIO_IRQ 19
60 #define OMAP3STALKER_SMC911X_CS 5
62 static struct resource omap3stalker_smsc911x_resources
[] = {
64 .start
= OMAP3STALKER_ETHR_START
,
66 (OMAP3STALKER_ETHR_START
+ OMAP3STALKER_ETHR_SIZE
- 1),
67 .flags
= IORESOURCE_MEM
,
70 .start
= OMAP_GPIO_IRQ(OMAP3STALKER_ETHR_GPIO_IRQ
),
71 .end
= OMAP_GPIO_IRQ(OMAP3STALKER_ETHR_GPIO_IRQ
),
72 .flags
= (IORESOURCE_IRQ
| IRQF_TRIGGER_LOW
),
76 static struct smsc911x_platform_config smsc911x_config
= {
77 .phy_interface
= PHY_INTERFACE_MODE_MII
,
78 .irq_polarity
= SMSC911X_IRQ_POLARITY_ACTIVE_LOW
,
79 .irq_type
= SMSC911X_IRQ_TYPE_OPEN_DRAIN
,
80 .flags
= (SMSC911X_USE_32BIT
| SMSC911X_SAVE_MAC_ADDRESS
),
83 static struct platform_device omap3stalker_smsc911x_device
= {
86 .num_resources
= ARRAY_SIZE(omap3stalker_smsc911x_resources
),
87 .resource
= &omap3stalker_smsc911x_resources
[0],
89 .platform_data
= &smsc911x_config
,
93 static inline void __init
omap3stalker_init_eth(void)
99 eth_cs
= OMAP3STALKER_SMC911X_CS
;
101 l3ck
= clk_get(NULL
, "l3_ck");
105 rate
= clk_get_rate(l3ck
);
107 omap_mux_init_gpio(19, OMAP_PIN_INPUT_PULLUP
);
108 if (gpio_request(OMAP3STALKER_ETHR_GPIO_IRQ
, "SMC911x irq") < 0) {
110 "Failed to request GPIO%d for smc911x IRQ\n",
111 OMAP3STALKER_ETHR_GPIO_IRQ
);
115 gpio_direction_input(OMAP3STALKER_ETHR_GPIO_IRQ
);
117 platform_device_register(&omap3stalker_smsc911x_device
);
121 static inline void __init
omap3stalker_init_eth(void)
128 * OMAP3 DSS control signals
131 #define DSS_ENABLE_GPIO 199
132 #define LCD_PANEL_BKLIGHT_GPIO 210
133 #define ENABLE_VPLL2_DEV_GRP 0xE0
135 static int lcd_enabled
;
136 static int dvi_enabled
;
138 static void __init
omap3_stalker_display_init(void)
143 static int omap3_stalker_enable_lcd(struct omap_dss_device
*dssdev
)
146 printk(KERN_ERR
"cannot enable LCD, DVI is enabled\n");
149 gpio_set_value(DSS_ENABLE_GPIO
, 1);
150 gpio_set_value(LCD_PANEL_BKLIGHT_GPIO
, 1);
155 static void omap3_stalker_disable_lcd(struct omap_dss_device
*dssdev
)
157 gpio_set_value(DSS_ENABLE_GPIO
, 0);
158 gpio_set_value(LCD_PANEL_BKLIGHT_GPIO
, 0);
162 static struct omap_dss_device omap3_stalker_lcd_device
= {
164 .driver_name
= "generic_panel",
165 .phy
.dpi
.data_lines
= 24,
166 .type
= OMAP_DISPLAY_TYPE_DPI
,
167 .platform_enable
= omap3_stalker_enable_lcd
,
168 .platform_disable
= omap3_stalker_disable_lcd
,
171 static int omap3_stalker_enable_tv(struct omap_dss_device
*dssdev
)
176 static void omap3_stalker_disable_tv(struct omap_dss_device
*dssdev
)
180 static struct omap_dss_device omap3_stalker_tv_device
= {
182 .driver_name
= "venc",
183 .type
= OMAP_DISPLAY_TYPE_VENC
,
184 #if defined(CONFIG_OMAP2_VENC_OUT_TYPE_SVIDEO)
185 .phy
.venc
.type
= OMAP_DSS_VENC_TYPE_SVIDEO
,
186 #elif defined(CONFIG_OMAP2_VENC_OUT_TYPE_COMPOSITE)
187 .u
.venc
.type
= OMAP_DSS_VENC_TYPE_COMPOSITE
,
189 .platform_enable
= omap3_stalker_enable_tv
,
190 .platform_disable
= omap3_stalker_disable_tv
,
193 static int omap3_stalker_enable_dvi(struct omap_dss_device
*dssdev
)
196 printk(KERN_ERR
"cannot enable DVI, LCD is enabled\n");
199 gpio_set_value(DSS_ENABLE_GPIO
, 1);
204 static void omap3_stalker_disable_dvi(struct omap_dss_device
*dssdev
)
206 gpio_set_value(DSS_ENABLE_GPIO
, 0);
210 static struct omap_dss_device omap3_stalker_dvi_device
= {
212 .driver_name
= "generic_panel",
213 .type
= OMAP_DISPLAY_TYPE_DPI
,
214 .phy
.dpi
.data_lines
= 24,
215 .platform_enable
= omap3_stalker_enable_dvi
,
216 .platform_disable
= omap3_stalker_disable_dvi
,
219 static struct omap_dss_device
*omap3_stalker_dss_devices
[] = {
220 &omap3_stalker_lcd_device
,
221 &omap3_stalker_tv_device
,
222 &omap3_stalker_dvi_device
,
225 static struct omap_dss_board_info omap3_stalker_dss_data
= {
226 .num_devices
= ARRAY_SIZE(omap3_stalker_dss_devices
),
227 .devices
= omap3_stalker_dss_devices
,
228 .default_device
= &omap3_stalker_dvi_device
,
231 static struct platform_device omap3_stalker_dss_device
= {
235 .platform_data
= &omap3_stalker_dss_data
,
239 static struct regulator_consumer_supply omap3stalker_vmmc1_supply
= {
243 static struct regulator_consumer_supply omap3stalker_vsim_supply
= {
244 .supply
= "vmmc_aux",
247 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
248 static struct regulator_init_data omap3stalker_vmmc1
= {
252 .valid_modes_mask
= REGULATOR_MODE_NORMAL
253 | REGULATOR_MODE_STANDBY
,
254 .valid_ops_mask
= REGULATOR_CHANGE_VOLTAGE
255 | REGULATOR_CHANGE_MODE
| REGULATOR_CHANGE_STATUS
,
257 .num_consumer_supplies
= 1,
258 .consumer_supplies
= &omap3stalker_vmmc1_supply
,
261 /* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
262 static struct regulator_init_data omap3stalker_vsim
= {
266 .valid_modes_mask
= REGULATOR_MODE_NORMAL
267 | REGULATOR_MODE_STANDBY
,
268 .valid_ops_mask
= REGULATOR_CHANGE_VOLTAGE
269 | REGULATOR_CHANGE_MODE
| REGULATOR_CHANGE_STATUS
,
271 .num_consumer_supplies
= 1,
272 .consumer_supplies
= &omap3stalker_vsim_supply
,
275 static struct omap2_hsmmc_info mmc
[] = {
285 static struct gpio_keys_button gpio_buttons
[] = {
294 static struct gpio_keys_platform_data gpio_key_info
= {
295 .buttons
= gpio_buttons
,
296 .nbuttons
= ARRAY_SIZE(gpio_buttons
),
299 static struct platform_device keys_gpio
= {
303 .platform_data
= &gpio_key_info
,
307 static struct gpio_led gpio_leds
[] = {
309 .name
= "stalker:D8:usr0",
310 .default_trigger
= "default-on",
314 .name
= "stalker:D9:usr1",
315 .default_trigger
= "default-on",
319 .name
= "stalker:D3:mmc0",
320 .gpio
= -EINVAL
, /* gets replaced */
322 .default_trigger
= "mmc0",
325 .name
= "stalker:D4:heartbeat",
326 .gpio
= -EINVAL
, /* gets replaced */
328 .default_trigger
= "heartbeat",
332 static struct gpio_led_platform_data gpio_led_info
= {
334 .num_leds
= ARRAY_SIZE(gpio_leds
),
337 static struct platform_device leds_gpio
= {
341 .platform_data
= &gpio_led_info
,
346 omap3stalker_twl_gpio_setup(struct device
*dev
,
347 unsigned gpio
, unsigned ngpio
)
349 /* gpio + 0 is "mmc0_cd" (input/IRQ) */
350 omap_mux_init_gpio(23, OMAP_PIN_INPUT
);
351 mmc
[0].gpio_cd
= gpio
+ 0;
352 omap2_hsmmc_init(mmc
);
354 /* link regulators to MMC adapters */
355 omap3stalker_vmmc1_supply
.dev
= mmc
[0].dev
;
356 omap3stalker_vsim_supply
.dev
= mmc
[0].dev
;
359 * Most GPIOs are for USB OTG. Some are mostly sent to
360 * the P2 connector; notably LEDA for the LCD backlight.
363 /* TWL4030_GPIO_MAX + 0 == ledA, LCD Backlight control */
364 gpio_request(gpio
+ TWL4030_GPIO_MAX
, "EN_LCD_BKL");
365 gpio_direction_output(gpio
+ TWL4030_GPIO_MAX
, 0);
367 /* gpio + 7 == DVI Enable */
368 gpio_request(gpio
+ 7, "EN_DVI");
369 gpio_direction_output(gpio
+ 7, 0);
371 /* TWL4030_GPIO_MAX + 1 == ledB (out, mmc0) */
372 gpio_leds
[2].gpio
= gpio
+ TWL4030_GPIO_MAX
+ 1;
373 /* GPIO + 13 == ledsync (out, heartbeat) */
374 gpio_leds
[3].gpio
= gpio
+ 13;
376 platform_device_register(&leds_gpio
);
380 static struct twl4030_gpio_platform_data omap3stalker_gpio_data
= {
381 .gpio_base
= OMAP_MAX_GPIO_LINES
,
382 .irq_base
= TWL4030_GPIO_IRQ_BASE
,
383 .irq_end
= TWL4030_GPIO_IRQ_END
,
385 .setup
= omap3stalker_twl_gpio_setup
,
388 static struct twl4030_usb_data omap3stalker_usb_data
= {
389 .usb_mode
= T2_USB_MODE_ULPI
,
392 static int board_keymap
[] = {
395 KEY(0, 2, KEY_ENTER
),
398 KEY(1, 0, KEY_RIGHT
),
414 static struct matrix_keymap_data board_map_data
= {
415 .keymap
= board_keymap
,
416 .keymap_size
= ARRAY_SIZE(board_keymap
),
419 static struct twl4030_keypad_data omap3stalker_kp_data
= {
420 .keymap_data
= &board_map_data
,
426 static struct twl4030_madc_platform_data omap3stalker_madc_data
= {
430 static struct twl4030_codec_audio_data omap3stalker_audio_data
= {
431 .audio_mclk
= 26000000,
434 static struct twl4030_codec_data omap3stalker_codec_data
= {
435 .audio_mclk
= 26000000,
436 .audio
= &omap3stalker_audio_data
,
439 static struct regulator_consumer_supply omap3_stalker_vdda_dac_supply
= {
440 .supply
= "vdda_dac",
441 .dev
= &omap3_stalker_dss_device
.dev
,
444 /* VDAC for DSS driving S-Video */
445 static struct regulator_init_data omap3_stalker_vdac
= {
450 .valid_modes_mask
= REGULATOR_MODE_NORMAL
451 | REGULATOR_MODE_STANDBY
,
452 .valid_ops_mask
= REGULATOR_CHANGE_MODE
453 | REGULATOR_CHANGE_STATUS
,
455 .num_consumer_supplies
= 1,
456 .consumer_supplies
= &omap3_stalker_vdda_dac_supply
,
459 /* VPLL2 for digital video outputs */
460 static struct regulator_consumer_supply omap3_stalker_vpll2_supply
= {
461 .supply
= "vdds_dsi",
462 .dev
= &omap3_stalker_lcd_device
.dev
,
465 static struct regulator_init_data omap3_stalker_vpll2
= {
471 .valid_modes_mask
= REGULATOR_MODE_NORMAL
472 | REGULATOR_MODE_STANDBY
,
473 .valid_ops_mask
= REGULATOR_CHANGE_MODE
474 | REGULATOR_CHANGE_STATUS
,
476 .num_consumer_supplies
= 1,
477 .consumer_supplies
= &omap3_stalker_vpll2_supply
,
480 static struct twl4030_platform_data omap3stalker_twldata
= {
481 .irq_base
= TWL4030_IRQ_BASE
,
482 .irq_end
= TWL4030_IRQ_END
,
484 /* platform_data for children goes here */
485 .keypad
= &omap3stalker_kp_data
,
486 .madc
= &omap3stalker_madc_data
,
487 .usb
= &omap3stalker_usb_data
,
488 .gpio
= &omap3stalker_gpio_data
,
489 .codec
= &omap3stalker_codec_data
,
490 .vdac
= &omap3_stalker_vdac
,
491 .vpll2
= &omap3_stalker_vpll2
,
494 static struct i2c_board_info __initdata omap3stalker_i2c_boardinfo
[] = {
496 I2C_BOARD_INFO("twl4030", 0x48),
497 .flags
= I2C_CLIENT_WAKE
,
498 .irq
= INT_34XX_SYS_NIRQ
,
499 .platform_data
= &omap3stalker_twldata
,
503 static struct at24_platform_data fram_info
= {
504 .byte_len
= (64 * 1024) / 8,
506 .flags
= AT24_FLAG_ADDR16
| AT24_FLAG_IRUGO
,
509 static struct i2c_board_info __initdata omap3stalker_i2c_boardinfo3
[] = {
511 I2C_BOARD_INFO("24c64", 0x50),
512 .flags
= I2C_CLIENT_WAKE
,
513 .platform_data
= &fram_info
,
517 static int __init
omap3_stalker_i2c_init(void)
520 * REVISIT: These entries can be set in omap3evm_twl_data
521 * after a merge with MFD tree
523 omap3stalker_twldata
.vmmc1
= &omap3stalker_vmmc1
;
524 omap3stalker_twldata
.vsim
= &omap3stalker_vsim
;
526 omap_register_i2c_bus(1, 2600, omap3stalker_i2c_boardinfo
,
527 ARRAY_SIZE(omap3stalker_i2c_boardinfo
));
528 omap_register_i2c_bus(2, 400, NULL
, 0);
529 omap_register_i2c_bus(3, 400, omap3stalker_i2c_boardinfo3
,
530 ARRAY_SIZE(omap3stalker_i2c_boardinfo3
));
534 #define OMAP3_STALKER_TS_GPIO 175
535 static void ads7846_dev_init(void)
537 if (gpio_request(OMAP3_STALKER_TS_GPIO
, "ADS7846 pendown") < 0)
538 printk(KERN_ERR
"can't get ads7846 pen down GPIO\n");
540 gpio_direction_input(OMAP3_STALKER_TS_GPIO
);
542 omap_set_gpio_debounce(OMAP3_STALKER_TS_GPIO
, 1);
543 omap_set_gpio_debounce_time(OMAP3_STALKER_TS_GPIO
, 0xa);
546 static int ads7846_get_pendown_state(void)
548 return !gpio_get_value(OMAP3_STALKER_TS_GPIO
);
551 static struct ads7846_platform_data ads7846_config
= {
559 .get_pendown_state
= ads7846_get_pendown_state
,
561 .settle_delay_usecs
= 150,
564 static struct omap2_mcspi_device_config ads7846_mcspi_config
= {
566 .single_channel
= 1, /* 0: slave, 1: master */
569 struct spi_board_info omap3stalker_spi_board_info
[] = {
571 .modalias
= "ads7846",
574 .max_speed_hz
= 1500000,
575 .controller_data
= &ads7846_mcspi_config
,
576 .irq
= OMAP_GPIO_IRQ(OMAP3_STALKER_TS_GPIO
),
577 .platform_data
= &ads7846_config
,
581 static struct omap_board_config_kernel omap3_stalker_config
[] __initdata
= {
584 static void __init
omap3_stalker_init_irq(void)
586 omap_board_config
= omap3_stalker_config
;
587 omap_board_config_size
= ARRAY_SIZE(omap3_stalker_config
);
588 omap2_init_common_hw(mt46h32m32lf6_sdrc_params
, NULL
);
590 #ifdef CONFIG_OMAP_32K_TIMER
591 omap2_gp_clockevent_set_gptimer(12);
596 static struct platform_device
*omap3_stalker_devices
[] __initdata
= {
597 &omap3_stalker_dss_device
,
601 static struct ehci_hcd_omap_platform_data ehci_pdata __initconst
= {
602 .port_mode
[0] = EHCI_HCD_OMAP_MODE_UNKNOWN
,
603 .port_mode
[1] = EHCI_HCD_OMAP_MODE_PHY
,
604 .port_mode
[2] = EHCI_HCD_OMAP_MODE_UNKNOWN
,
607 .reset_gpio_port
[0] = -EINVAL
,
608 .reset_gpio_port
[1] = 21,
609 .reset_gpio_port
[2] = -EINVAL
,
612 #ifdef CONFIG_OMAP_MUX
613 static struct omap_board_mux board_mux
[] __initdata
= {
614 OMAP3_MUX(SYS_NIRQ
, OMAP_MUX_MODE0
| OMAP_PIN_INPUT_PULLUP
|
615 OMAP_PIN_OFF_INPUT_PULLUP
| OMAP_PIN_OFF_WAKEUPENABLE
),
616 OMAP3_MUX(MCSPI1_CS1
, OMAP_MUX_MODE4
| OMAP_PIN_INPUT_PULLUP
|
617 OMAP_PIN_OFF_INPUT_PULLUP
| OMAP_PIN_OFF_WAKEUPENABLE
),
618 {.reg_offset
= OMAP_MUX_TERMINATOR
},
621 #define board_mux NULL
624 static struct omap_musb_board_data musb_board_data
= {
625 .interface_type
= MUSB_INTERFACE_ULPI
,
630 static void __init
omap3_stalker_init(void)
632 omap3_mux_init(board_mux
, OMAP_PACKAGE_CUS
);
634 omap3_stalker_i2c_init();
636 platform_add_devices(omap3_stalker_devices
,
637 ARRAY_SIZE(omap3_stalker_devices
));
639 spi_register_board_info(omap3stalker_spi_board_info
,
640 ARRAY_SIZE(omap3stalker_spi_board_info
));
643 usb_musb_init(&musb_board_data
);
644 usb_ehci_init(&ehci_pdata
);
647 omap_mux_init_gpio(21, OMAP_PIN_OUTPUT
);
648 omap_mux_init_gpio(18, OMAP_PIN_INPUT_PULLUP
);
650 omap3stalker_init_eth();
651 omap3_stalker_display_init();
652 /* Ensure SDRC pins are mux'd for self-refresh */
653 omap_mux_init_signal("sdr_cke0", OMAP_PIN_OUTPUT
);
654 omap_mux_init_signal("sdr_cke1", OMAP_PIN_OUTPUT
);
657 static void __init
omap3_stalker_map_io(void)
659 omap2_set_globals_343x();
660 omap34xx_map_common_io();
663 MACHINE_START(SBC3530
, "OMAP3 STALKER")
664 /* Maintainer: Jason Lam -lzg@ema-tech.com */
665 .phys_io
= 0x48000000,
666 .io_pg_offst
= ((0xfa000000) >> 18) & 0xfffc,
667 .boot_params
= 0x80000100,
668 .map_io
= omap3_stalker_map_io
,
669 .init_irq
= omap3_stalker_init_irq
,
670 .init_machine
= omap3_stalker_init
,
671 .timer
= &omap_timer
,