1/*
2 * linux/arch/arm/mach-omap2/board-omap3evm.c
3 *
4 * Copyright (C) 2008 Guangzhou EMA-Tech
5 *
6 * Modified from mach-omap2/board-omap3evm.c
7 *
8 * Initial code: Syed Mohammed Khasim
9 *
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.
13 */
14
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>
21#include <linux/io.h>
22#include <linux/leds.h>
23#include <linux/gpio.h>
24#include <linux/input.h>
25#include <linux/gpio_keys.h>
26
27#include <linux/regulator/fixed.h>
28#include <linux/regulator/machine.h>
29#include <linux/i2c/twl.h>
30#include <linux/mmc/host.h>
31
32#include <mach/hardware.h>
33#include <asm/mach-types.h>
34#include <asm/mach/arch.h>
35#include <asm/mach/map.h>
36#include <asm/mach/flash.h>
37
38#include <plat/board.h>
39#include "common.h"
40#include <plat/gpmc.h>
41#include <plat/nand.h>
42#include <plat/usb.h>
43#include <video/omapdss.h>
44#include <video/omap-panel-generic-dpi.h>
45#include <video/omap-panel-dvi.h>
46
47#include <plat/mcspi.h>
48#include <linux/input/matrix_keypad.h>
49#include <linux/spi/spi.h>
50#include <linux/interrupt.h>
51#include <linux/smsc911x.h>
52#include <linux/i2c/at24.h>
53
54#include "sdram-micron-mt46h32m32lf-6.h"
55#include "mux.h"
56#include "hsmmc.h"
57#include "common-board-devices.h"
58
59#if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
60#include <plat/gpmc-smsc911x.h>
61
62#define OMAP3STALKER_ETHR_START	0x2c000000
63#define OMAP3STALKER_ETHR_SIZE	1024
64#define OMAP3STALKER_ETHR_GPIO_IRQ	19
65#define OMAP3STALKER_SMC911X_CS	5
66
67static struct omap_smsc911x_platform_data smsc911x_cfg = {
68	.cs             = OMAP3STALKER_SMC911X_CS,
69	.gpio_irq       = OMAP3STALKER_ETHR_GPIO_IRQ,
70	.gpio_reset     = -EINVAL,
71	.flags		= (SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS),
72};
73
74static inline void __init omap3stalker_init_eth(void)
75{
76	omap_mux_init_gpio(19, OMAP_PIN_INPUT_PULLUP);
77	gpmc_smsc911x_init(&smsc911x_cfg);
78}
79
80#else
81static inline void __init omap3stalker_init_eth(void)
82{
83	return;
84}
85#endif
86
87/*
88 * OMAP3 DSS control signals
89 */
90
91#define DSS_ENABLE_GPIO	199
92#define LCD_PANEL_BKLIGHT_GPIO	210
93#define ENABLE_VPLL2_DEV_GRP	0xE0
94
95static int lcd_enabled;
96static int dvi_enabled;
97
98static void __init omap3_stalker_display_init(void)
99{
100	return;
101}
102
103static int omap3_stalker_enable_tv(struct omap_dss_device *dssdev)
104{
105	return 0;
106}
107
108static void omap3_stalker_disable_tv(struct omap_dss_device *dssdev)
109{
110}
111
112static struct omap_dss_device omap3_stalker_tv_device = {
113	.name			= "tv",
114	.driver_name		= "venc",
115	.type			= OMAP_DISPLAY_TYPE_VENC,
116#if defined(CONFIG_OMAP2_VENC_OUT_TYPE_SVIDEO)
117	.phy.venc.type		= OMAP_DSS_VENC_TYPE_SVIDEO,
118#elif defined(CONFIG_OMAP2_VENC_OUT_TYPE_COMPOSITE)
119	.u.venc.type		= OMAP_DSS_VENC_TYPE_COMPOSITE,
120#endif
121	.platform_enable	= omap3_stalker_enable_tv,
122	.platform_disable	= omap3_stalker_disable_tv,
123};
124
125static int omap3_stalker_enable_dvi(struct omap_dss_device *dssdev)
126{
127	if (lcd_enabled) {
128		printk(KERN_ERR "cannot enable DVI, LCD is enabled\n");
129		return -EINVAL;
130	}
131	gpio_set_value(DSS_ENABLE_GPIO, 1);
132	dvi_enabled = 1;
133	return 0;
134}
135
136static void omap3_stalker_disable_dvi(struct omap_dss_device *dssdev)
137{
138	gpio_set_value(DSS_ENABLE_GPIO, 0);
139	dvi_enabled = 0;
140}
141
142static struct panel_dvi_platform_data dvi_panel = {
143	.platform_enable	= omap3_stalker_enable_dvi,
144	.platform_disable	= omap3_stalker_disable_dvi,
145};
146
147static struct omap_dss_device omap3_stalker_dvi_device = {
148	.name			= "dvi",
149	.type			= OMAP_DISPLAY_TYPE_DPI,
150	.driver_name		= "dvi",
151	.data			= &dvi_panel,
152	.phy.dpi.data_lines	= 24,
153};
154
155static struct omap_dss_device *omap3_stalker_dss_devices[] = {
156	&omap3_stalker_tv_device,
157	&omap3_stalker_dvi_device,
158};
159
160static struct omap_dss_board_info omap3_stalker_dss_data = {
161	.num_devices	= ARRAY_SIZE(omap3_stalker_dss_devices),
162	.devices	= omap3_stalker_dss_devices,
163	.default_device	= &omap3_stalker_dvi_device,
164};
165
166static struct regulator_consumer_supply omap3stalker_vmmc1_supply[] = {
167	REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
168};
169
170static struct regulator_consumer_supply omap3stalker_vsim_supply[] = {
171	REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.0"),
172};
173
174/* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
175static struct regulator_init_data omap3stalker_vmmc1 = {
176	.constraints		= {
177		.min_uV			= 1850000,
178		.max_uV			= 3150000,
179		.valid_modes_mask	= REGULATOR_MODE_NORMAL
180		| REGULATOR_MODE_STANDBY,
181		.valid_ops_mask		= REGULATOR_CHANGE_VOLTAGE
182		| REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
183	},
184	.num_consumer_supplies	= ARRAY_SIZE(omap3stalker_vmmc1_supply),
185	.consumer_supplies	= omap3stalker_vmmc1_supply,
186};
187
188/* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
189static struct regulator_init_data omap3stalker_vsim = {
190	.constraints		= {
191		.min_uV			= 1800000,
192		.max_uV			= 3000000,
193		.valid_modes_mask	= REGULATOR_MODE_NORMAL
194		| REGULATOR_MODE_STANDBY,
195		.valid_ops_mask		= REGULATOR_CHANGE_VOLTAGE
196		| REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
197	},
198	.num_consumer_supplies	= ARRAY_SIZE(omap3stalker_vsim_supply),
199	.consumer_supplies	= omap3stalker_vsim_supply,
200};
201
202static struct omap2_hsmmc_info mmc[] = {
203	{
204		.mmc		= 1,
205		.caps		= MMC_CAP_4_BIT_DATA,
206		.gpio_cd	= -EINVAL,
207		.gpio_wp	= 23,
208		.deferred	= true,
209	 },
210	{}			/* Terminator */
211};
212
213static struct gpio_keys_button gpio_buttons[] = {
214	{
215	 .code		= BTN_EXTRA,
216	 .gpio		= 18,
217	 .desc		= "user",
218	 .wakeup	= 1,
219	 },
220};
221
222static struct gpio_keys_platform_data gpio_key_info = {
223	.buttons	= gpio_buttons,
224	.nbuttons	= ARRAY_SIZE(gpio_buttons),
225};
226
227static struct platform_device keys_gpio = {
228	.name		= "gpio-keys",
229	.id		= -1,
230	.dev		= {
231		.platform_data	= &gpio_key_info,
232	},
233};
234
235static struct gpio_led gpio_leds[] = {
236	{
237	 .name			= "stalker:D8:usr0",
238	 .default_trigger	= "default-on",
239	 .gpio			= 126,
240	 },
241	{
242	 .name			= "stalker:D9:usr1",
243	 .default_trigger	= "default-on",
244	 .gpio			= 127,
245	 },
246	{
247	 .name			= "stalker:D3:mmc0",
248	 .gpio			= -EINVAL,	/* gets replaced */
249	 .active_low		= true,
250	 .default_trigger	= "mmc0",
251	 },
252	{
253	 .name			= "stalker:D4:heartbeat",
254	 .gpio			= -EINVAL,	/* gets replaced */
255	 .active_low		= true,
256	 .default_trigger	= "heartbeat",
257	 },
258};
259
260static struct gpio_led_platform_data gpio_led_info = {
261	.leds		= gpio_leds,
262	.num_leds	= ARRAY_SIZE(gpio_leds),
263};
264
265static struct platform_device leds_gpio = {
266	.name	= "leds-gpio",
267	.id	= -1,
268	.dev	= {
269		.platform_data	= &gpio_led_info,
270	},
271};
272
273static int
274omap3stalker_twl_gpio_setup(struct device *dev,
275			    unsigned gpio, unsigned ngpio)
276{
277	/* gpio + 0 is "mmc0_cd" (input/IRQ) */
278	mmc[0].gpio_cd = gpio + 0;
279	omap_hsmmc_late_init(mmc);
280
281	/*
282	 * Most GPIOs are for USB OTG.  Some are mostly sent to
283	 * the P2 connector; notably LEDA for the LCD backlight.
284	 */
285
286	/* TWL4030_GPIO_MAX + 0 == ledA, LCD Backlight control */
287	gpio_request_one(gpio + TWL4030_GPIO_MAX, GPIOF_OUT_INIT_LOW,
288			 "EN_LCD_BKL");
289
290	/* gpio + 7 == DVI Enable */
291	gpio_request_one(gpio + 7, GPIOF_OUT_INIT_LOW, "EN_DVI");
292
293	/* TWL4030_GPIO_MAX + 1 == ledB (out, mmc0) */
294	gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
295	/* GPIO + 13 == ledsync (out, heartbeat) */
296	gpio_leds[3].gpio = gpio + 13;
297
298	platform_device_register(&leds_gpio);
299	return 0;
300}
301
302static struct twl4030_gpio_platform_data omap3stalker_gpio_data = {
303	.gpio_base	= OMAP_MAX_GPIO_LINES,
304	.irq_base	= TWL4030_GPIO_IRQ_BASE,
305	.irq_end	= TWL4030_GPIO_IRQ_END,
306	.use_leds	= true,
307	.setup		= omap3stalker_twl_gpio_setup,
308};
309
310static uint32_t board_keymap[] = {
311	KEY(0, 0, KEY_LEFT),
312	KEY(0, 1, KEY_DOWN),
313	KEY(0, 2, KEY_ENTER),
314	KEY(0, 3, KEY_M),
315
316	KEY(1, 0, KEY_RIGHT),
317	KEY(1, 1, KEY_UP),
318	KEY(1, 2, KEY_I),
319	KEY(1, 3, KEY_N),
320
321	KEY(2, 0, KEY_A),
322	KEY(2, 1, KEY_E),
323	KEY(2, 2, KEY_J),
324	KEY(2, 3, KEY_O),
325
326	KEY(3, 0, KEY_B),
327	KEY(3, 1, KEY_F),
328	KEY(3, 2, KEY_K),
329	KEY(3, 3, KEY_P)
330};
331
332static struct matrix_keymap_data board_map_data = {
333	.keymap		= board_keymap,
334	.keymap_size	= ARRAY_SIZE(board_keymap),
335};
336
337static struct twl4030_keypad_data omap3stalker_kp_data = {
338	.keymap_data	= &board_map_data,
339	.rows		= 4,
340	.cols		= 4,
341	.rep		= 1,
342};
343
344static struct twl4030_platform_data omap3stalker_twldata = {
345	/* platform_data for children goes here */
346	.keypad		= &omap3stalker_kp_data,
347	.gpio		= &omap3stalker_gpio_data,
348	.vmmc1		= &omap3stalker_vmmc1,
349	.vsim		= &omap3stalker_vsim,
350};
351
352static struct at24_platform_data fram_info = {
353	.byte_len	= (64 * 1024) / 8,
354	.page_size	= 8192,
355	.flags		= AT24_FLAG_ADDR16 | AT24_FLAG_IRUGO,
356};
357
358static struct i2c_board_info __initdata omap3stalker_i2c_boardinfo3[] = {
359	{
360	 I2C_BOARD_INFO("24c64", 0x50),
361	 .flags		= I2C_CLIENT_WAKE,
362	 .platform_data	= &fram_info,
363	 },
364};
365
366static int __init omap3_stalker_i2c_init(void)
367{
368	omap3_pmic_get_config(&omap3stalker_twldata,
369			TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_MADC |
370			TWL_COMMON_PDATA_AUDIO,
371			TWL_COMMON_REGULATOR_VDAC | TWL_COMMON_REGULATOR_VPLL2);
372
373	omap3stalker_twldata.vdac->constraints.apply_uV = true;
374	omap3stalker_twldata.vpll2->constraints.apply_uV = true;
375	omap3stalker_twldata.vpll2->constraints.name = "VDVI";
376
377	omap3_pmic_init("twl4030", &omap3stalker_twldata);
378	omap_register_i2c_bus(2, 400, NULL, 0);
379	omap_register_i2c_bus(3, 400, omap3stalker_i2c_boardinfo3,
380			      ARRAY_SIZE(omap3stalker_i2c_boardinfo3));
381	return 0;
382}
383
384#define OMAP3_STALKER_TS_GPIO	175
385
386static struct omap_board_config_kernel omap3_stalker_config[] __initdata = {
387};
388
389static struct platform_device *omap3_stalker_devices[] __initdata = {
390	&keys_gpio,
391};
392
393static struct usbhs_omap_board_data usbhs_bdata __initconst = {
394	.port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,
395	.port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
396	.port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
397
398	.phy_reset = true,
399	.reset_gpio_port[0] = -EINVAL,
400	.reset_gpio_port[1] = 21,
401	.reset_gpio_port[2] = -EINVAL,
402};
403
404#ifdef CONFIG_OMAP_MUX
405static struct omap_board_mux board_mux[] __initdata = {
406	OMAP3_MUX(SYS_NIRQ, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP |
407		  OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE),
408	OMAP3_MUX(MCSPI1_CS1, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP |
409		  OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE),
410	{.reg_offset = OMAP_MUX_TERMINATOR},
411};
412#endif
413
414static struct regulator_consumer_supply dummy_supplies[] = {
415	REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
416	REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
417};
418
419static void __init omap3_stalker_init(void)
420{
421	regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
422	omap3_mux_init(board_mux, OMAP_PACKAGE_CUS);
423	omap_board_config = omap3_stalker_config;
424	omap_board_config_size = ARRAY_SIZE(omap3_stalker_config);
425
426	omap_mux_init_gpio(23, OMAP_PIN_INPUT);
427	omap_hsmmc_init(mmc);
428
429	omap3_stalker_i2c_init();
430
431	platform_add_devices(omap3_stalker_devices,
432			     ARRAY_SIZE(omap3_stalker_devices));
433
434	omap_display_init(&omap3_stalker_dss_data);
435
436	omap_serial_init();
437	omap_sdrc_init(mt46h32m32lf6_sdrc_params, NULL);
438	usb_musb_init(NULL);
439	usbhs_init(&usbhs_bdata);
440	omap_ads7846_init(1, OMAP3_STALKER_TS_GPIO, 310, NULL);
441
442	omap_mux_init_gpio(21, OMAP_PIN_OUTPUT);
443	omap_mux_init_gpio(18, OMAP_PIN_INPUT_PULLUP);
444
445	omap3stalker_init_eth();
446	omap3_stalker_display_init();
447/* Ensure SDRC pins are mux'd for self-refresh */
448	omap_mux_init_signal("sdr_cke0", OMAP_PIN_OUTPUT);
449	omap_mux_init_signal("sdr_cke1", OMAP_PIN_OUTPUT);
450}
451
452MACHINE_START(SBC3530, "OMAP3 STALKER")
453	/* Maintainer: Jason Lam -lzg@ema-tech.com */
454	.atag_offset		= 0x100,
455	.map_io			= omap3_map_io,
456	.init_early		= omap35xx_init_early,
457	.init_irq		= omap3_init_irq,
458	.handle_irq		= omap3_intc_handle_irq,
459	.init_machine		= omap3_stalker_init,
460	.timer			= &omap3_secure_timer,
461	.restart		= omap_prcm_restart,
462MACHINE_END
463