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 #include <linux/input/matrix_keypad.h>
32 #include <linux/spi/spi.h>
33 #include <linux/interrupt.h>
34 #include <linux/smsc911x.h>
35 #include <linux/platform_data/at24.h>
36 #include <linux/usb/phy.h>
37
38 #include <asm/mach-types.h>
39 #include <asm/mach/arch.h>
40 #include <asm/mach/map.h>
41 #include <asm/mach/flash.h>
42
43 #include "common.h"
44 #include "gpmc.h"
45 #include <linux/platform_data/mtd-nand-omap2.h>
46 #include <video/omapdss.h>
47 #include <video/omap-panel-data.h>
48
49 #include <linux/platform_data/spi-omap2-mcspi.h>
50
51 #include "sdram-micron-mt46h32m32lf-6.h"
52 #include "mux.h"
53 #include "hsmmc.h"
54 #include "common-board-devices.h"
55
56 #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
57 #include "gpmc-smsc911x.h"
58
59 #define OMAP3STALKER_ETHR_START 0x2c000000
60 #define OMAP3STALKER_ETHR_SIZE 1024
61 #define OMAP3STALKER_ETHR_GPIO_IRQ 19
62 #define OMAP3STALKER_SMC911X_CS 5
63
64 static struct omap_smsc911x_platform_data smsc911x_cfg = {
65 .cs = OMAP3STALKER_SMC911X_CS,
66 .gpio_irq = OMAP3STALKER_ETHR_GPIO_IRQ,
67 .gpio_reset = -EINVAL,
68 .flags = (SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS),
69 };
70
omap3stalker_init_eth(void)71 static inline void __init omap3stalker_init_eth(void)
72 {
73 omap_mux_init_gpio(19, OMAP_PIN_INPUT_PULLUP);
74 gpmc_smsc911x_init(&smsc911x_cfg);
75 }
76
77 #else
omap3stalker_init_eth(void)78 static inline void __init omap3stalker_init_eth(void)
79 {
80 return;
81 }
82 #endif
83
84 /*
85 * OMAP3 DSS control signals
86 */
87
88 #define DSS_ENABLE_GPIO 199
89 #define LCD_PANEL_BKLIGHT_GPIO 210
90 #define ENABLE_VPLL2_DEV_GRP 0xE0
91
omap3_stalker_display_init(void)92 static void __init omap3_stalker_display_init(void)
93 {
94 return;
95 }
96 static struct connector_dvi_platform_data omap3stalker_dvi_connector_pdata = {
97 .name = "dvi",
98 .source = "tfp410.0",
99 .i2c_bus_num = -1,
100 };
101
102 static struct platform_device omap3stalker_dvi_connector_device = {
103 .name = "connector-dvi",
104 .id = 0,
105 .dev.platform_data = &omap3stalker_dvi_connector_pdata,
106 };
107
108 static struct encoder_tfp410_platform_data omap3stalker_tfp410_pdata = {
109 .name = "tfp410.0",
110 .source = "dpi.0",
111 .data_lines = 24,
112 .power_down_gpio = DSS_ENABLE_GPIO,
113 };
114
115 static struct platform_device omap3stalker_tfp410_device = {
116 .name = "tfp410",
117 .id = 0,
118 .dev.platform_data = &omap3stalker_tfp410_pdata,
119 };
120
121 static struct connector_atv_platform_data omap3stalker_tv_pdata = {
122 .name = "tv",
123 .source = "venc.0",
124 .connector_type = OMAP_DSS_VENC_TYPE_COMPOSITE,
125 .invert_polarity = false,
126 };
127
128 static struct platform_device omap3stalker_tv_connector_device = {
129 .name = "connector-analog-tv",
130 .id = 0,
131 .dev.platform_data = &omap3stalker_tv_pdata,
132 };
133
134 static struct omap_dss_board_info omap3_stalker_dss_data = {
135 .default_display_name = "dvi",
136 };
137
138 static struct regulator_consumer_supply omap3stalker_vmmc1_supply[] = {
139 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
140 };
141
142 static struct regulator_consumer_supply omap3stalker_vsim_supply[] = {
143 REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.0"),
144 };
145
146 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
147 static struct regulator_init_data omap3stalker_vmmc1 = {
148 .constraints = {
149 .min_uV = 1850000,
150 .max_uV = 3150000,
151 .valid_modes_mask = REGULATOR_MODE_NORMAL
152 | REGULATOR_MODE_STANDBY,
153 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
154 | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
155 },
156 .num_consumer_supplies = ARRAY_SIZE(omap3stalker_vmmc1_supply),
157 .consumer_supplies = omap3stalker_vmmc1_supply,
158 };
159
160 /* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
161 static struct regulator_init_data omap3stalker_vsim = {
162 .constraints = {
163 .min_uV = 1800000,
164 .max_uV = 3000000,
165 .valid_modes_mask = REGULATOR_MODE_NORMAL
166 | REGULATOR_MODE_STANDBY,
167 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
168 | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
169 },
170 .num_consumer_supplies = ARRAY_SIZE(omap3stalker_vsim_supply),
171 .consumer_supplies = omap3stalker_vsim_supply,
172 };
173
174 static struct omap2_hsmmc_info mmc[] = {
175 {
176 .mmc = 1,
177 .caps = MMC_CAP_4_BIT_DATA,
178 .gpio_cd = -EINVAL,
179 .gpio_wp = 23,
180 .deferred = true,
181 },
182 {} /* Terminator */
183 };
184
185 static struct gpio_keys_button gpio_buttons[] = {
186 {
187 .code = BTN_EXTRA,
188 .gpio = 18,
189 .desc = "user",
190 .wakeup = 1,
191 },
192 };
193
194 static struct gpio_keys_platform_data gpio_key_info = {
195 .buttons = gpio_buttons,
196 .nbuttons = ARRAY_SIZE(gpio_buttons),
197 };
198
199 static struct platform_device keys_gpio = {
200 .name = "gpio-keys",
201 .id = -1,
202 .dev = {
203 .platform_data = &gpio_key_info,
204 },
205 };
206
207 static struct gpio_led gpio_leds[] = {
208 {
209 .name = "stalker:D8:usr0",
210 .default_trigger = "default-on",
211 .gpio = 126,
212 },
213 {
214 .name = "stalker:D9:usr1",
215 .default_trigger = "default-on",
216 .gpio = 127,
217 },
218 {
219 .name = "stalker:D3:mmc0",
220 .gpio = -EINVAL, /* gets replaced */
221 .active_low = true,
222 .default_trigger = "mmc0",
223 },
224 {
225 .name = "stalker:D4:heartbeat",
226 .gpio = -EINVAL, /* gets replaced */
227 .active_low = true,
228 .default_trigger = "heartbeat",
229 },
230 };
231
232 static struct gpio_led_platform_data gpio_led_info = {
233 .leds = gpio_leds,
234 .num_leds = ARRAY_SIZE(gpio_leds),
235 };
236
237 static struct platform_device leds_gpio = {
238 .name = "leds-gpio",
239 .id = -1,
240 .dev = {
241 .platform_data = &gpio_led_info,
242 },
243 };
244
245 static int
omap3stalker_twl_gpio_setup(struct device * dev,unsigned gpio,unsigned ngpio)246 omap3stalker_twl_gpio_setup(struct device *dev,
247 unsigned gpio, unsigned ngpio)
248 {
249 /* gpio + 0 is "mmc0_cd" (input/IRQ) */
250 mmc[0].gpio_cd = gpio + 0;
251 omap_hsmmc_late_init(mmc);
252
253 /*
254 * Most GPIOs are for USB OTG. Some are mostly sent to
255 * the P2 connector; notably LEDA for the LCD backlight.
256 */
257
258 /* TWL4030_GPIO_MAX + 0 == ledA, LCD Backlight control */
259 gpio_request_one(gpio + TWL4030_GPIO_MAX, GPIOF_OUT_INIT_LOW,
260 "EN_LCD_BKL");
261
262 /* gpio + 7 == DVI Enable */
263 gpio_request_one(gpio + 7, GPIOF_OUT_INIT_LOW, "EN_DVI");
264
265 /* TWL4030_GPIO_MAX + 1 == ledB (out, mmc0) */
266 gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
267 /* GPIO + 13 == ledsync (out, heartbeat) */
268 gpio_leds[3].gpio = gpio + 13;
269
270 platform_device_register(&leds_gpio);
271 return 0;
272 }
273
274 static struct twl4030_gpio_platform_data omap3stalker_gpio_data = {
275 .use_leds = true,
276 .setup = omap3stalker_twl_gpio_setup,
277 };
278
279 static uint32_t board_keymap[] = {
280 KEY(0, 0, KEY_LEFT),
281 KEY(0, 1, KEY_DOWN),
282 KEY(0, 2, KEY_ENTER),
283 KEY(0, 3, KEY_M),
284
285 KEY(1, 0, KEY_RIGHT),
286 KEY(1, 1, KEY_UP),
287 KEY(1, 2, KEY_I),
288 KEY(1, 3, KEY_N),
289
290 KEY(2, 0, KEY_A),
291 KEY(2, 1, KEY_E),
292 KEY(2, 2, KEY_J),
293 KEY(2, 3, KEY_O),
294
295 KEY(3, 0, KEY_B),
296 KEY(3, 1, KEY_F),
297 KEY(3, 2, KEY_K),
298 KEY(3, 3, KEY_P)
299 };
300
301 static struct matrix_keymap_data board_map_data = {
302 .keymap = board_keymap,
303 .keymap_size = ARRAY_SIZE(board_keymap),
304 };
305
306 static struct twl4030_keypad_data omap3stalker_kp_data = {
307 .keymap_data = &board_map_data,
308 .rows = 4,
309 .cols = 4,
310 .rep = 1,
311 };
312
313 static struct twl4030_platform_data omap3stalker_twldata = {
314 /* platform_data for children goes here */
315 .keypad = &omap3stalker_kp_data,
316 .gpio = &omap3stalker_gpio_data,
317 .vmmc1 = &omap3stalker_vmmc1,
318 .vsim = &omap3stalker_vsim,
319 };
320
321 static struct at24_platform_data fram_info = {
322 .byte_len = (64 * 1024) / 8,
323 .page_size = 8192,
324 .flags = AT24_FLAG_ADDR16 | AT24_FLAG_IRUGO,
325 };
326
327 static struct i2c_board_info __initdata omap3stalker_i2c_boardinfo3[] = {
328 {
329 I2C_BOARD_INFO("24c64", 0x50),
330 .flags = I2C_CLIENT_WAKE,
331 .platform_data = &fram_info,
332 },
333 };
334
omap3_stalker_i2c_init(void)335 static int __init omap3_stalker_i2c_init(void)
336 {
337 omap3_pmic_get_config(&omap3stalker_twldata,
338 TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_MADC |
339 TWL_COMMON_PDATA_AUDIO,
340 TWL_COMMON_REGULATOR_VDAC | TWL_COMMON_REGULATOR_VPLL2);
341
342 omap3stalker_twldata.vdac->constraints.apply_uV = true;
343 omap3stalker_twldata.vpll2->constraints.apply_uV = true;
344 omap3stalker_twldata.vpll2->constraints.name = "VDVI";
345
346 omap3_pmic_init("twl4030", &omap3stalker_twldata);
347 omap_register_i2c_bus(2, 400, NULL, 0);
348 omap_register_i2c_bus(3, 400, omap3stalker_i2c_boardinfo3,
349 ARRAY_SIZE(omap3stalker_i2c_boardinfo3));
350 return 0;
351 }
352
353 #define OMAP3_STALKER_TS_GPIO 175
354
355 static struct usbhs_phy_data phy_data[] __initdata = {
356 {
357 .port = 2,
358 .reset_gpio = 21,
359 .vcc_gpio = -EINVAL,
360 },
361 };
362
363 static struct platform_device *omap3_stalker_devices[] __initdata = {
364 &keys_gpio,
365 &omap3stalker_tfp410_device,
366 &omap3stalker_dvi_connector_device,
367 &omap3stalker_tv_connector_device,
368 };
369
370 static struct usbhs_omap_platform_data usbhs_bdata __initdata = {
371 .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
372 };
373
374 #ifdef CONFIG_OMAP_MUX
375 static struct omap_board_mux board_mux[] __initdata = {
376 OMAP3_MUX(SYS_NIRQ, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP |
377 OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE),
378 OMAP3_MUX(MCSPI1_CS1, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP |
379 OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE),
380 {.reg_offset = OMAP_MUX_TERMINATOR},
381 };
382 #endif
383
384 static struct regulator_consumer_supply dummy_supplies[] = {
385 REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
386 REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
387 };
388
omap3_stalker_init(void)389 static void __init omap3_stalker_init(void)
390 {
391 regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
392 omap3_mux_init(board_mux, OMAP_PACKAGE_CUS);
393
394 omap_mux_init_gpio(23, OMAP_PIN_INPUT);
395 omap_hsmmc_init(mmc);
396
397 omap3_stalker_i2c_init();
398
399 platform_add_devices(omap3_stalker_devices,
400 ARRAY_SIZE(omap3_stalker_devices));
401
402 omap_display_init(&omap3_stalker_dss_data);
403
404 omap_serial_init();
405 omap_sdrc_init(mt46h32m32lf6_sdrc_params, NULL);
406 usb_bind_phy("musb-hdrc.0.auto", 0, "twl4030_usb");
407 usb_musb_init(NULL);
408
409 usbhs_init_phys(phy_data, ARRAY_SIZE(phy_data));
410 usbhs_init(&usbhs_bdata);
411 omap_ads7846_init(1, OMAP3_STALKER_TS_GPIO, 310, NULL);
412
413 omap_mux_init_gpio(21, OMAP_PIN_OUTPUT);
414 omap_mux_init_gpio(18, OMAP_PIN_INPUT_PULLUP);
415
416 omap3stalker_init_eth();
417 omap3_stalker_display_init();
418 /* Ensure SDRC pins are mux'd for self-refresh */
419 omap_mux_init_signal("sdr_cke0", OMAP_PIN_OUTPUT);
420 omap_mux_init_signal("sdr_cke1", OMAP_PIN_OUTPUT);
421 }
422
423 MACHINE_START(SBC3530, "OMAP3 STALKER")
424 /* Maintainer: Jason Lam -lzg@ema-tech.com */
425 .atag_offset = 0x100,
426 .map_io = omap3_map_io,
427 .init_early = omap35xx_init_early,
428 .init_irq = omap3_init_irq,
429 .init_machine = omap3_stalker_init,
430 .init_late = omap35xx_init_late,
431 .init_time = omap3_secure_sync32k_timer_init,
432 .restart = omap3xxx_restart,
433 MACHINE_END
434