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b075f58b DA |
1 | /* |
2 | * Board support file for OMAP4430 based PandaBoard. | |
3 | * | |
4 | * Copyright (C) 2010 Texas Instruments | |
5 | * | |
6 | * Author: David Anders <x0132446@ti.com> | |
7 | * | |
8 | * Based on mach-omap2/board-4430sdp.c | |
9 | * | |
10 | * Author: Santosh Shilimkar <santosh.shilimkar@ti.com> | |
11 | * | |
12 | * Based on mach-omap2/board-3430sdp.c | |
13 | * | |
14 | * This program is free software; you can redistribute it and/or modify | |
15 | * it under the terms of the GNU General Public License version 2 as | |
16 | * published by the Free Software Foundation. | |
17 | */ | |
18 | ||
19 | #include <linux/kernel.h> | |
20 | #include <linux/init.h> | |
21 | #include <linux/platform_device.h> | |
1740d483 | 22 | #include <linux/clk.h> |
b075f58b | 23 | #include <linux/io.h> |
3da434ac | 24 | #include <linux/leds.h> |
b075f58b DA |
25 | #include <linux/gpio.h> |
26 | #include <linux/usb/otg.h> | |
27 | #include <linux/i2c/twl.h> | |
28 | #include <linux/regulator/machine.h> | |
29 | ||
30 | #include <mach/hardware.h> | |
31 | #include <mach/omap4-common.h> | |
32 | #include <asm/mach-types.h> | |
33 | #include <asm/mach/arch.h> | |
34 | #include <asm/mach/map.h> | |
35 | ||
36 | #include <plat/board.h> | |
37 | #include <plat/common.h> | |
b075f58b DA |
38 | #include <plat/usb.h> |
39 | #include <plat/mmc.h> | |
04aeae77 | 40 | #include "timer-gp.h" |
b075f58b | 41 | |
b075f58b | 42 | #include "hsmmc.h" |
4814ced5 | 43 | #include "control.h" |
fc63de82 | 44 | #include "mux.h" |
b075f58b | 45 | |
4415beb6 DA |
46 | #define GPIO_HUB_POWER 1 |
47 | #define GPIO_HUB_NRESET 62 | |
48 | ||
3da434ac RSA |
49 | static struct gpio_led gpio_leds[] = { |
50 | { | |
51 | .name = "pandaboard::status1", | |
52 | .default_trigger = "heartbeat", | |
53 | .gpio = 7, | |
54 | }, | |
55 | { | |
56 | .name = "pandaboard::status2", | |
57 | .default_trigger = "mmc0", | |
58 | .gpio = 8, | |
59 | }, | |
60 | }; | |
b075f58b | 61 | |
3da434ac RSA |
62 | static struct gpio_led_platform_data gpio_led_info = { |
63 | .leds = gpio_leds, | |
64 | .num_leds = ARRAY_SIZE(gpio_leds), | |
65 | }; | |
66 | ||
67 | static struct platform_device leds_gpio = { | |
68 | .name = "leds-gpio", | |
69 | .id = -1, | |
70 | .dev = { | |
71 | .platform_data = &gpio_led_info, | |
72 | }, | |
73 | }; | |
74 | ||
75 | static struct platform_device *panda_devices[] __initdata = { | |
76 | &leds_gpio, | |
77 | }; | |
b075f58b | 78 | |
3dc3bad6 | 79 | static void __init omap4_panda_init_early(void) |
b075f58b | 80 | { |
4805734b PW |
81 | omap2_init_common_infrastructure(); |
82 | omap2_init_common_devices(NULL, NULL); | |
b075f58b DA |
83 | } |
84 | ||
4415beb6 DA |
85 | static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = { |
86 | .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY, | |
87 | .port_mode[1] = EHCI_HCD_OMAP_MODE_UNKNOWN, | |
88 | .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN, | |
89 | .phy_reset = false, | |
90 | .reset_gpio_port[0] = -EINVAL, | |
91 | .reset_gpio_port[1] = -EINVAL, | |
92 | .reset_gpio_port[2] = -EINVAL | |
93 | }; | |
94 | ||
95 | static void __init omap4_ehci_init(void) | |
96 | { | |
97 | int ret; | |
1740d483 | 98 | struct clk *phy_ref_clk; |
4415beb6 | 99 | |
1740d483 AG |
100 | /* FREF_CLK3 provides the 19.2 MHz reference clock to the PHY */ |
101 | phy_ref_clk = clk_get(NULL, "auxclk3_ck"); | |
102 | if (IS_ERR(phy_ref_clk)) { | |
103 | pr_err("Cannot request auxclk3\n"); | |
104 | goto error1; | |
105 | } | |
106 | clk_set_rate(phy_ref_clk, 19200000); | |
107 | clk_enable(phy_ref_clk); | |
4415beb6 DA |
108 | |
109 | /* disable the power to the usb hub prior to init */ | |
110 | ret = gpio_request(GPIO_HUB_POWER, "hub_power"); | |
111 | if (ret) { | |
112 | pr_err("Cannot request GPIO %d\n", GPIO_HUB_POWER); | |
113 | goto error1; | |
114 | } | |
115 | gpio_export(GPIO_HUB_POWER, 0); | |
116 | gpio_direction_output(GPIO_HUB_POWER, 0); | |
117 | gpio_set_value(GPIO_HUB_POWER, 0); | |
118 | ||
119 | /* reset phy+hub */ | |
120 | ret = gpio_request(GPIO_HUB_NRESET, "hub_nreset"); | |
121 | if (ret) { | |
122 | pr_err("Cannot request GPIO %d\n", GPIO_HUB_NRESET); | |
123 | goto error2; | |
124 | } | |
125 | gpio_export(GPIO_HUB_NRESET, 0); | |
126 | gpio_direction_output(GPIO_HUB_NRESET, 0); | |
127 | gpio_set_value(GPIO_HUB_NRESET, 0); | |
128 | gpio_set_value(GPIO_HUB_NRESET, 1); | |
129 | ||
130 | usb_ehci_init(&ehci_pdata); | |
131 | ||
132 | /* enable power to hub */ | |
133 | gpio_set_value(GPIO_HUB_POWER, 1); | |
134 | return; | |
135 | ||
136 | error2: | |
137 | gpio_free(GPIO_HUB_POWER); | |
138 | error1: | |
139 | pr_err("Unable to initialize EHCI power/reset\n"); | |
140 | return; | |
141 | ||
142 | } | |
143 | ||
b075f58b DA |
144 | static struct omap_musb_board_data musb_board_data = { |
145 | .interface_type = MUSB_INTERFACE_UTMI, | |
09e72002 | 146 | .mode = MUSB_OTG, |
b075f58b DA |
147 | .power = 100, |
148 | }; | |
149 | ||
e70357e3 HH |
150 | static struct twl4030_usb_data omap4_usbphy_data = { |
151 | .phy_init = omap4430_phy_init, | |
152 | .phy_exit = omap4430_phy_exit, | |
153 | .phy_power = omap4430_phy_power, | |
154 | .phy_set_clock = omap4430_phy_set_clk, | |
155 | }; | |
156 | ||
b075f58b DA |
157 | static struct omap2_hsmmc_info mmc[] = { |
158 | { | |
159 | .mmc = 1, | |
3a63833e | 160 | .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA, |
b075f58b | 161 | .gpio_wp = -EINVAL, |
5b59cc2f | 162 | .gpio_cd = -EINVAL, |
b075f58b DA |
163 | }, |
164 | {} /* Terminator */ | |
165 | }; | |
166 | ||
167 | static struct regulator_consumer_supply omap4_panda_vmmc_supply[] = { | |
168 | { | |
169 | .supply = "vmmc", | |
170 | .dev_name = "mmci-omap-hs.0", | |
171 | }, | |
b075f58b DA |
172 | }; |
173 | ||
174 | static int omap4_twl6030_hsmmc_late_init(struct device *dev) | |
175 | { | |
176 | int ret = 0; | |
177 | struct platform_device *pdev = container_of(dev, | |
178 | struct platform_device, dev); | |
179 | struct omap_mmc_platform_data *pdata = dev->platform_data; | |
180 | ||
bf56f0a6 MN |
181 | if (!pdata) { |
182 | dev_err(dev, "%s: NULL platform data\n", __func__); | |
183 | return -EINVAL; | |
184 | } | |
b075f58b | 185 | /* Setting MMC1 Card detect Irq */ |
bf56f0a6 MN |
186 | if (pdev->id == 0) { |
187 | ret = twl6030_mmc_card_detect_config(); | |
188 | if (ret) | |
189 | dev_err(dev, "%s: Error card detect config(%d)\n", | |
190 | __func__, ret); | |
191 | else | |
192 | pdata->slots[0].card_detect = twl6030_mmc_card_detect; | |
193 | } | |
b075f58b DA |
194 | return ret; |
195 | } | |
196 | ||
197 | static __init void omap4_twl6030_hsmmc_set_late_init(struct device *dev) | |
198 | { | |
b9b52620 DA |
199 | struct omap_mmc_platform_data *pdata; |
200 | ||
201 | /* dev can be null if CONFIG_MMC_OMAP_HS is not set */ | |
202 | if (!dev) { | |
203 | pr_err("Failed omap4_twl6030_hsmmc_set_late_init\n"); | |
204 | return; | |
205 | } | |
206 | pdata = dev->platform_data; | |
b075f58b DA |
207 | |
208 | pdata->init = omap4_twl6030_hsmmc_late_init; | |
209 | } | |
210 | ||
211 | static int __init omap4_twl6030_hsmmc_init(struct omap2_hsmmc_info *controllers) | |
212 | { | |
213 | struct omap2_hsmmc_info *c; | |
214 | ||
215 | omap2_hsmmc_init(controllers); | |
216 | for (c = controllers; c->mmc; c++) | |
217 | omap4_twl6030_hsmmc_set_late_init(c->dev); | |
218 | ||
219 | return 0; | |
220 | } | |
221 | ||
222 | static struct regulator_init_data omap4_panda_vaux1 = { | |
223 | .constraints = { | |
224 | .min_uV = 1000000, | |
225 | .max_uV = 3000000, | |
226 | .apply_uV = true, | |
227 | .valid_modes_mask = REGULATOR_MODE_NORMAL | |
228 | | REGULATOR_MODE_STANDBY, | |
229 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | |
230 | | REGULATOR_CHANGE_MODE | |
231 | | REGULATOR_CHANGE_STATUS, | |
232 | }, | |
233 | }; | |
234 | ||
235 | static struct regulator_init_data omap4_panda_vaux2 = { | |
236 | .constraints = { | |
237 | .min_uV = 1200000, | |
238 | .max_uV = 2800000, | |
239 | .apply_uV = true, | |
240 | .valid_modes_mask = REGULATOR_MODE_NORMAL | |
241 | | REGULATOR_MODE_STANDBY, | |
242 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | |
243 | | REGULATOR_CHANGE_MODE | |
244 | | REGULATOR_CHANGE_STATUS, | |
245 | }, | |
246 | }; | |
247 | ||
248 | static struct regulator_init_data omap4_panda_vaux3 = { | |
249 | .constraints = { | |
250 | .min_uV = 1000000, | |
251 | .max_uV = 3000000, | |
252 | .apply_uV = true, | |
253 | .valid_modes_mask = REGULATOR_MODE_NORMAL | |
254 | | REGULATOR_MODE_STANDBY, | |
255 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | |
256 | | REGULATOR_CHANGE_MODE | |
257 | | REGULATOR_CHANGE_STATUS, | |
258 | }, | |
259 | }; | |
260 | ||
261 | /* VMMC1 for MMC1 card */ | |
262 | static struct regulator_init_data omap4_panda_vmmc = { | |
263 | .constraints = { | |
264 | .min_uV = 1200000, | |
265 | .max_uV = 3000000, | |
266 | .apply_uV = true, | |
267 | .valid_modes_mask = REGULATOR_MODE_NORMAL | |
268 | | REGULATOR_MODE_STANDBY, | |
269 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | |
270 | | REGULATOR_CHANGE_MODE | |
271 | | REGULATOR_CHANGE_STATUS, | |
272 | }, | |
191183b9 | 273 | .num_consumer_supplies = 1, |
b075f58b DA |
274 | .consumer_supplies = omap4_panda_vmmc_supply, |
275 | }; | |
276 | ||
277 | static struct regulator_init_data omap4_panda_vpp = { | |
278 | .constraints = { | |
279 | .min_uV = 1800000, | |
280 | .max_uV = 2500000, | |
281 | .apply_uV = true, | |
282 | .valid_modes_mask = REGULATOR_MODE_NORMAL | |
283 | | REGULATOR_MODE_STANDBY, | |
284 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | |
285 | | REGULATOR_CHANGE_MODE | |
286 | | REGULATOR_CHANGE_STATUS, | |
287 | }, | |
288 | }; | |
289 | ||
290 | static struct regulator_init_data omap4_panda_vusim = { | |
291 | .constraints = { | |
292 | .min_uV = 1200000, | |
293 | .max_uV = 2900000, | |
294 | .apply_uV = true, | |
295 | .valid_modes_mask = REGULATOR_MODE_NORMAL | |
296 | | REGULATOR_MODE_STANDBY, | |
297 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | |
298 | | REGULATOR_CHANGE_MODE | |
299 | | REGULATOR_CHANGE_STATUS, | |
300 | }, | |
301 | }; | |
302 | ||
303 | static struct regulator_init_data omap4_panda_vana = { | |
304 | .constraints = { | |
305 | .min_uV = 2100000, | |
306 | .max_uV = 2100000, | |
307 | .apply_uV = true, | |
308 | .valid_modes_mask = REGULATOR_MODE_NORMAL | |
309 | | REGULATOR_MODE_STANDBY, | |
310 | .valid_ops_mask = REGULATOR_CHANGE_MODE | |
311 | | REGULATOR_CHANGE_STATUS, | |
312 | }, | |
313 | }; | |
314 | ||
315 | static struct regulator_init_data omap4_panda_vcxio = { | |
316 | .constraints = { | |
317 | .min_uV = 1800000, | |
318 | .max_uV = 1800000, | |
319 | .apply_uV = true, | |
320 | .valid_modes_mask = REGULATOR_MODE_NORMAL | |
321 | | REGULATOR_MODE_STANDBY, | |
322 | .valid_ops_mask = REGULATOR_CHANGE_MODE | |
323 | | REGULATOR_CHANGE_STATUS, | |
324 | }, | |
325 | }; | |
326 | ||
327 | static struct regulator_init_data omap4_panda_vdac = { | |
328 | .constraints = { | |
329 | .min_uV = 1800000, | |
330 | .max_uV = 1800000, | |
331 | .apply_uV = true, | |
332 | .valid_modes_mask = REGULATOR_MODE_NORMAL | |
333 | | REGULATOR_MODE_STANDBY, | |
334 | .valid_ops_mask = REGULATOR_CHANGE_MODE | |
335 | | REGULATOR_CHANGE_STATUS, | |
336 | }, | |
337 | }; | |
338 | ||
339 | static struct regulator_init_data omap4_panda_vusb = { | |
340 | .constraints = { | |
341 | .min_uV = 3300000, | |
342 | .max_uV = 3300000, | |
343 | .apply_uV = true, | |
344 | .valid_modes_mask = REGULATOR_MODE_NORMAL | |
345 | | REGULATOR_MODE_STANDBY, | |
346 | .valid_ops_mask = REGULATOR_CHANGE_MODE | |
347 | | REGULATOR_CHANGE_STATUS, | |
348 | }, | |
349 | }; | |
350 | ||
351 | static struct twl4030_platform_data omap4_panda_twldata = { | |
352 | .irq_base = TWL6030_IRQ_BASE, | |
353 | .irq_end = TWL6030_IRQ_END, | |
354 | ||
355 | /* Regulators */ | |
356 | .vmmc = &omap4_panda_vmmc, | |
357 | .vpp = &omap4_panda_vpp, | |
358 | .vusim = &omap4_panda_vusim, | |
359 | .vana = &omap4_panda_vana, | |
360 | .vcxio = &omap4_panda_vcxio, | |
361 | .vdac = &omap4_panda_vdac, | |
362 | .vusb = &omap4_panda_vusb, | |
363 | .vaux1 = &omap4_panda_vaux1, | |
364 | .vaux2 = &omap4_panda_vaux2, | |
365 | .vaux3 = &omap4_panda_vaux3, | |
e70357e3 | 366 | .usb = &omap4_usbphy_data, |
b075f58b DA |
367 | }; |
368 | ||
369 | static struct i2c_board_info __initdata omap4_panda_i2c_boardinfo[] = { | |
370 | { | |
371 | I2C_BOARD_INFO("twl6030", 0x48), | |
372 | .flags = I2C_CLIENT_WAKE, | |
373 | .irq = OMAP44XX_IRQ_SYS_1N, | |
374 | .platform_data = &omap4_panda_twldata, | |
375 | }, | |
376 | }; | |
377 | static int __init omap4_panda_i2c_init(void) | |
378 | { | |
379 | /* | |
380 | * Phoenix Audio IC needs I2C1 to | |
381 | * start with 400 KHz or less | |
382 | */ | |
383 | omap_register_i2c_bus(1, 400, omap4_panda_i2c_boardinfo, | |
384 | ARRAY_SIZE(omap4_panda_i2c_boardinfo)); | |
385 | omap_register_i2c_bus(2, 400, NULL, 0); | |
386 | omap_register_i2c_bus(3, 400, NULL, 0); | |
387 | omap_register_i2c_bus(4, 400, NULL, 0); | |
388 | return 0; | |
389 | } | |
fc63de82 | 390 | |
391 | #ifdef CONFIG_OMAP_MUX | |
392 | static struct omap_board_mux board_mux[] __initdata = { | |
393 | { .reg_offset = OMAP_MUX_TERMINATOR }, | |
394 | }; | |
395 | #else | |
396 | #define board_mux NULL | |
397 | #endif | |
398 | ||
b075f58b DA |
399 | static void __init omap4_panda_init(void) |
400 | { | |
fc63de82 | 401 | int package = OMAP_PACKAGE_CBS; |
402 | ||
403 | if (omap_rev() == OMAP4430_REV_ES1_0) | |
404 | package = OMAP_PACKAGE_CBL; | |
405 | omap4_mux_init(board_mux, package); | |
406 | ||
b075f58b | 407 | omap4_panda_i2c_init(); |
3da434ac | 408 | platform_add_devices(panda_devices, ARRAY_SIZE(panda_devices)); |
b075f58b DA |
409 | omap_serial_init(); |
410 | omap4_twl6030_hsmmc_init(mmc); | |
4415beb6 | 411 | omap4_ehci_init(); |
1ea7f352 | 412 | usb_musb_init(&musb_board_data); |
b075f58b DA |
413 | } |
414 | ||
415 | static void __init omap4_panda_map_io(void) | |
416 | { | |
417 | omap2_set_globals_443x(); | |
418 | omap44xx_map_common_io(); | |
419 | } | |
420 | ||
421 | MACHINE_START(OMAP4_PANDA, "OMAP4 Panda board") | |
422 | /* Maintainer: David Anders - Texas Instruments Inc */ | |
b075f58b | 423 | .boot_params = 0x80000100, |
d920e520 | 424 | .reserve = omap_reserve, |
b075f58b | 425 | .map_io = omap4_panda_map_io, |
3dc3bad6 RKAL |
426 | .init_early = omap4_panda_init_early, |
427 | .init_irq = gic_init_irq, | |
b075f58b DA |
428 | .init_machine = omap4_panda_init, |
429 | .timer = &omap_timer, | |
430 | MACHINE_END |