TI816X: Update common OMAP machine specific sources
[deliverable/linux.git] / arch / arm / mach-omap2 / board-omap4panda.c
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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>
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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>
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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
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46#define GPIO_HUB_POWER 1
47#define GPIO_HUB_NRESET 62
48
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49static 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
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62static struct gpio_led_platform_data gpio_led_info = {
63 .leds = gpio_leds,
64 .num_leds = ARRAY_SIZE(gpio_leds),
65};
66
67static struct platform_device leds_gpio = {
68 .name = "leds-gpio",
69 .id = -1,
70 .dev = {
71 .platform_data = &gpio_led_info,
72 },
73};
74
75static struct platform_device *panda_devices[] __initdata = {
76 &leds_gpio,
77};
b075f58b 78
3dc3bad6 79static void __init omap4_panda_init_early(void)
b075f58b 80{
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81 omap2_init_common_infrastructure();
82 omap2_init_common_devices(NULL, NULL);
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83}
84
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85static 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
95static void __init omap4_ehci_init(void)
96{
97 int ret;
1740d483 98 struct clk *phy_ref_clk;
4415beb6 99
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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);
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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
136error2:
137 gpio_free(GPIO_HUB_POWER);
138error1:
139 pr_err("Unable to initialize EHCI power/reset\n");
140 return;
141
142}
143
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144static struct omap_musb_board_data musb_board_data = {
145 .interface_type = MUSB_INTERFACE_UTMI,
09e72002 146 .mode = MUSB_OTG,
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147 .power = 100,
148};
149
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150static 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
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157static 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,
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163 },
164 {} /* Terminator */
165};
166
167static struct regulator_consumer_supply omap4_panda_vmmc_supply[] = {
168 {
169 .supply = "vmmc",
170 .dev_name = "mmci-omap-hs.0",
171 },
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172};
173
174static 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
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181 if (!pdata) {
182 dev_err(dev, "%s: NULL platform data\n", __func__);
183 return -EINVAL;
184 }
b075f58b 185 /* Setting MMC1 Card detect Irq */
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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 }
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194 return ret;
195}
196
197static __init void omap4_twl6030_hsmmc_set_late_init(struct device *dev)
198{
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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;
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207
208 pdata->init = omap4_twl6030_hsmmc_late_init;
209}
210
211static 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
222static 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
235static 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
248static 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 */
262static 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,
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274 .consumer_supplies = omap4_panda_vmmc_supply,
275};
276
277static 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
290static 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
303static 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
315static 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
327static 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
339static 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
351static 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,
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367};
368
369static 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};
377static 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
392static struct omap_board_mux board_mux[] __initdata = {
393 { .reg_offset = OMAP_MUX_TERMINATOR },
394};
395#else
396#define board_mux NULL
397#endif
398
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399static 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));
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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
415static void __init omap4_panda_map_io(void)
416{
417 omap2_set_globals_443x();
418 omap44xx_map_common_io();
419}
420
421MACHINE_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,
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426 .init_early = omap4_panda_init_early,
427 .init_irq = gic_init_irq,
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428 .init_machine = omap4_panda_init,
429 .timer = &omap_timer,
430MACHINE_END
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