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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-tfp410.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 void __init omap3_stalker_display_init(void)
96{
97 return;
98}
99
100static int omap3_stalker_enable_tv(struct omap_dss_device *dssdev)
101{
102 return 0;
103}
104
105static void omap3_stalker_disable_tv(struct omap_dss_device *dssdev)
106{
107}
108
109static struct omap_dss_device omap3_stalker_tv_device = {
110 .name = "tv",
111 .driver_name = "venc",
112 .type = OMAP_DISPLAY_TYPE_VENC,
113#if defined(CONFIG_OMAP2_VENC_OUT_TYPE_SVIDEO)
114 .phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO,
115#elif defined(CONFIG_OMAP2_VENC_OUT_TYPE_COMPOSITE)
116 .u.venc.type = OMAP_DSS_VENC_TYPE_COMPOSITE,
117#endif
118 .platform_enable = omap3_stalker_enable_tv,
119 .platform_disable = omap3_stalker_disable_tv,
120};
121
122static struct tfp410_platform_data dvi_panel = {
123 .power_down_gpio = DSS_ENABLE_GPIO,
124};
125
126static struct omap_dss_device omap3_stalker_dvi_device = {
127 .name = "dvi",
128 .type = OMAP_DISPLAY_TYPE_DPI,
129 .driver_name = "tfp410",
130 .data = &dvi_panel,
131 .phy.dpi.data_lines = 24,
132};
133
134static struct omap_dss_device *omap3_stalker_dss_devices[] = {
135 &omap3_stalker_tv_device,
136 &omap3_stalker_dvi_device,
137};
138
139static struct omap_dss_board_info omap3_stalker_dss_data = {
140 .num_devices = ARRAY_SIZE(omap3_stalker_dss_devices),
141 .devices = omap3_stalker_dss_devices,
142 .default_device = &omap3_stalker_dvi_device,
143};
144
145static struct regulator_consumer_supply omap3stalker_vmmc1_supply[] = {
146 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
147};
148
149static struct regulator_consumer_supply omap3stalker_vsim_supply[] = {
150 REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.0"),
151};
152
153/* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
154static struct regulator_init_data omap3stalker_vmmc1 = {
155 .constraints = {
156 .min_uV = 1850000,
157 .max_uV = 3150000,
158 .valid_modes_mask = REGULATOR_MODE_NORMAL
159 | REGULATOR_MODE_STANDBY,
160 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
161 | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
162 },
163 .num_consumer_supplies = ARRAY_SIZE(omap3stalker_vmmc1_supply),
164 .consumer_supplies = omap3stalker_vmmc1_supply,
165};
166
167/* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
168static struct regulator_init_data omap3stalker_vsim = {
169 .constraints = {
170 .min_uV = 1800000,
171 .max_uV = 3000000,
172 .valid_modes_mask = REGULATOR_MODE_NORMAL
173 | REGULATOR_MODE_STANDBY,
174 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
175 | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
176 },
177 .num_consumer_supplies = ARRAY_SIZE(omap3stalker_vsim_supply),
178 .consumer_supplies = omap3stalker_vsim_supply,
179};
180
181static struct omap2_hsmmc_info mmc[] = {
182 {
183 .mmc = 1,
184 .caps = MMC_CAP_4_BIT_DATA,
185 .gpio_cd = -EINVAL,
186 .gpio_wp = 23,
187 .deferred = true,
188 },
189 {} /* Terminator */
190};
191
192static struct gpio_keys_button gpio_buttons[] = {
193 {
194 .code = BTN_EXTRA,
195 .gpio = 18,
196 .desc = "user",
197 .wakeup = 1,
198 },
199};
200
201static struct gpio_keys_platform_data gpio_key_info = {
202 .buttons = gpio_buttons,
203 .nbuttons = ARRAY_SIZE(gpio_buttons),
204};
205
206static struct platform_device keys_gpio = {
207 .name = "gpio-keys",
208 .id = -1,
209 .dev = {
210 .platform_data = &gpio_key_info,
211 },
212};
213
214static struct gpio_led gpio_leds[] = {
215 {
216 .name = "stalker:D8:usr0",
217 .default_trigger = "default-on",
218 .gpio = 126,
219 },
220 {
221 .name = "stalker:D9:usr1",
222 .default_trigger = "default-on",
223 .gpio = 127,
224 },
225 {
226 .name = "stalker:D3:mmc0",
227 .gpio = -EINVAL, /* gets replaced */
228 .active_low = true,
229 .default_trigger = "mmc0",
230 },
231 {
232 .name = "stalker:D4:heartbeat",
233 .gpio = -EINVAL, /* gets replaced */
234 .active_low = true,
235 .default_trigger = "heartbeat",
236 },
237};
238
239static struct gpio_led_platform_data gpio_led_info = {
240 .leds = gpio_leds,
241 .num_leds = ARRAY_SIZE(gpio_leds),
242};
243
244static struct platform_device leds_gpio = {
245 .name = "leds-gpio",
246 .id = -1,
247 .dev = {
248 .platform_data = &gpio_led_info,
249 },
250};
251
252static int
253omap3stalker_twl_gpio_setup(struct device *dev,
254 unsigned gpio, unsigned ngpio)
255{
256 /* gpio + 0 is "mmc0_cd" (input/IRQ) */
257 mmc[0].gpio_cd = gpio + 0;
258 omap_hsmmc_late_init(mmc);
259
260 /*
261 * Most GPIOs are for USB OTG. Some are mostly sent to
262 * the P2 connector; notably LEDA for the LCD backlight.
263 */
264
265 /* TWL4030_GPIO_MAX + 0 == ledA, LCD Backlight control */
266 gpio_request_one(gpio + TWL4030_GPIO_MAX, GPIOF_OUT_INIT_LOW,
267 "EN_LCD_BKL");
268
269 /* gpio + 7 == DVI Enable */
270 gpio_request_one(gpio + 7, GPIOF_OUT_INIT_LOW, "EN_DVI");
271
272 /* TWL4030_GPIO_MAX + 1 == ledB (out, mmc0) */
273 gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
274 /* GPIO + 13 == ledsync (out, heartbeat) */
275 gpio_leds[3].gpio = gpio + 13;
276
277 platform_device_register(&leds_gpio);
278 return 0;
279}
280
281static struct twl4030_gpio_platform_data omap3stalker_gpio_data = {
282 .gpio_base = OMAP_MAX_GPIO_LINES,
283 .irq_base = TWL4030_GPIO_IRQ_BASE,
284 .irq_end = TWL4030_GPIO_IRQ_END,
285 .use_leds = true,
286 .setup = omap3stalker_twl_gpio_setup,
287};
288
289static uint32_t board_keymap[] = {
290 KEY(0, 0, KEY_LEFT),
291 KEY(0, 1, KEY_DOWN),
292 KEY(0, 2, KEY_ENTER),
293 KEY(0, 3, KEY_M),
294
295 KEY(1, 0, KEY_RIGHT),
296 KEY(1, 1, KEY_UP),
297 KEY(1, 2, KEY_I),
298 KEY(1, 3, KEY_N),
299
300 KEY(2, 0, KEY_A),
301 KEY(2, 1, KEY_E),
302 KEY(2, 2, KEY_J),
303 KEY(2, 3, KEY_O),
304
305 KEY(3, 0, KEY_B),
306 KEY(3, 1, KEY_F),
307 KEY(3, 2, KEY_K),
308 KEY(3, 3, KEY_P)
309};
310
311static struct matrix_keymap_data board_map_data = {
312 .keymap = board_keymap,
313 .keymap_size = ARRAY_SIZE(board_keymap),
314};
315
316static struct twl4030_keypad_data omap3stalker_kp_data = {
317 .keymap_data = &board_map_data,
318 .rows = 4,
319 .cols = 4,
320 .rep = 1,
321};
322
323static struct twl4030_platform_data omap3stalker_twldata = {
324 /* platform_data for children goes here */
325 .keypad = &omap3stalker_kp_data,
326 .gpio = &omap3stalker_gpio_data,
327 .vmmc1 = &omap3stalker_vmmc1,
328 .vsim = &omap3stalker_vsim,
329};
330
331static struct at24_platform_data fram_info = {
332 .byte_len = (64 * 1024) / 8,
333 .page_size = 8192,
334 .flags = AT24_FLAG_ADDR16 | AT24_FLAG_IRUGO,
335};
336
337static struct i2c_board_info __initdata omap3stalker_i2c_boardinfo3[] = {
338 {
339 I2C_BOARD_INFO("24c64", 0x50),
340 .flags = I2C_CLIENT_WAKE,
341 .platform_data = &fram_info,
342 },
343};
344
345static int __init omap3_stalker_i2c_init(void)
346{
347 omap3_pmic_get_config(&omap3stalker_twldata,
348 TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_MADC |
349 TWL_COMMON_PDATA_AUDIO,
350 TWL_COMMON_REGULATOR_VDAC | TWL_COMMON_REGULATOR_VPLL2);
351
352 omap3stalker_twldata.vdac->constraints.apply_uV = true;
353 omap3stalker_twldata.vpll2->constraints.apply_uV = true;
354 omap3stalker_twldata.vpll2->constraints.name = "VDVI";
355
356 omap3_pmic_init("twl4030", &omap3stalker_twldata);
357 omap_register_i2c_bus(2, 400, NULL, 0);
358 omap_register_i2c_bus(3, 400, omap3stalker_i2c_boardinfo3,
359 ARRAY_SIZE(omap3stalker_i2c_boardinfo3));
360 return 0;
361}
362
363#define OMAP3_STALKER_TS_GPIO 175
364
365static struct omap_board_config_kernel omap3_stalker_config[] __initdata = {
366};
367
368static struct platform_device *omap3_stalker_devices[] __initdata = {
369 &keys_gpio,
370};
371
372static struct usbhs_omap_board_data usbhs_bdata __initconst = {
373 .port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,
374 .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
375 .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
376
377 .phy_reset = true,
378 .reset_gpio_port[0] = -EINVAL,
379 .reset_gpio_port[1] = 21,
380 .reset_gpio_port[2] = -EINVAL,
381};
382
383#ifdef CONFIG_OMAP_MUX
384static struct omap_board_mux board_mux[] __initdata = {
385 OMAP3_MUX(SYS_NIRQ, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP |
386 OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE),
387 OMAP3_MUX(MCSPI1_CS1, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP |
388 OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE),
389 {.reg_offset = OMAP_MUX_TERMINATOR},
390};
391#endif
392
393static struct regulator_consumer_supply dummy_supplies[] = {
394 REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
395 REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
396};
397
398static void __init omap3_stalker_init(void)
399{
400 regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
401 omap3_mux_init(board_mux, OMAP_PACKAGE_CUS);
402 omap_board_config = omap3_stalker_config;
403 omap_board_config_size = ARRAY_SIZE(omap3_stalker_config);
404
405 omap_mux_init_gpio(23, OMAP_PIN_INPUT);
406 omap_hsmmc_init(mmc);
407
408 omap3_stalker_i2c_init();
409
410 platform_add_devices(omap3_stalker_devices,
411 ARRAY_SIZE(omap3_stalker_devices));
412
413 omap_display_init(&omap3_stalker_dss_data);
414
415 omap_serial_init();
416 omap_sdrc_init(mt46h32m32lf6_sdrc_params, NULL);
417 usb_musb_init(NULL);
418 usbhs_init(&usbhs_bdata);
419 omap_ads7846_init(1, OMAP3_STALKER_TS_GPIO, 310, NULL);
420
421 omap_mux_init_gpio(21, OMAP_PIN_OUTPUT);
422 omap_mux_init_gpio(18, OMAP_PIN_INPUT_PULLUP);
423
424 omap3stalker_init_eth();
425 omap3_stalker_display_init();
426/* Ensure SDRC pins are mux'd for self-refresh */
427 omap_mux_init_signal("sdr_cke0", OMAP_PIN_OUTPUT);
428 omap_mux_init_signal("sdr_cke1", OMAP_PIN_OUTPUT);
429}
430
431MACHINE_START(SBC3530, "OMAP3 STALKER")
432 /* Maintainer: Jason Lam -lzg@ema-tech.com */
433 .atag_offset = 0x100,
434 .map_io = omap3_map_io,
435 .init_early = omap35xx_init_early,
436 .init_irq = omap3_init_irq,
437 .handle_irq = omap3_intc_handle_irq,
438 .init_machine = omap3_stalker_init,
439 .init_late = omap35xx_init_late,
440 .timer = &omap3_secure_timer,
441 .restart = omap_prcm_restart,
442MACHINE_END