omap: update plat/usb.h to allow ehci driver to build
[deliverable/linux.git] / arch / arm / mach-omap2 / board-omap3evm.c
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1/*
2 * linux/arch/arm/mach-omap2/board-omap3evm.c
3 *
4 * Copyright (C) 2008 Texas Instruments
5 *
6 * Modified from mach-omap2/board-3430sdp.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/gpio.h>
22#include <linux/input.h>
6135434a 23#include <linux/input/matrix_keypad.h>
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24#include <linux/leds.h>
25
26#include <linux/spi/spi.h>
27#include <linux/spi/ads7846.h>
28#include <linux/i2c/twl4030.h>
e8e2ff46 29#include <linux/usb/otg.h>
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30
31#include <mach/hardware.h>
32#include <asm/mach-types.h>
33#include <asm/mach/arch.h>
34#include <asm/mach/map.h>
35
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36#include <plat/board.h>
37#include <plat/mux.h>
38#include <plat/usb.h>
39#include <plat/common.h>
40#include <plat/mcspi.h>
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41
42#include "sdram-micron-mt46h32m32lf-6.h"
43#include "mmc-twl4030.h"
44
45#define OMAP3_EVM_TS_GPIO 175
46
47#define OMAP3EVM_ETHR_START 0x2c000000
48#define OMAP3EVM_ETHR_SIZE 1024
49#define OMAP3EVM_ETHR_GPIO_IRQ 176
50#define OMAP3EVM_SMC911X_CS 5
51
52static struct resource omap3evm_smc911x_resources[] = {
53 [0] = {
54 .start = OMAP3EVM_ETHR_START,
55 .end = (OMAP3EVM_ETHR_START + OMAP3EVM_ETHR_SIZE - 1),
56 .flags = IORESOURCE_MEM,
57 },
58 [1] = {
59 .start = OMAP_GPIO_IRQ(OMAP3EVM_ETHR_GPIO_IRQ),
60 .end = OMAP_GPIO_IRQ(OMAP3EVM_ETHR_GPIO_IRQ),
61 .flags = IORESOURCE_IRQ,
62 },
63};
64
65static struct platform_device omap3evm_smc911x_device = {
66 .name = "smc911x",
67 .id = -1,
68 .num_resources = ARRAY_SIZE(omap3evm_smc911x_resources),
69 .resource = &omap3evm_smc911x_resources[0],
70};
71
72static inline void __init omap3evm_init_smc911x(void)
73{
74 int eth_cs;
75 struct clk *l3ck;
76 unsigned int rate;
77
78 eth_cs = OMAP3EVM_SMC911X_CS;
79
80 l3ck = clk_get(NULL, "l3_ck");
81 if (IS_ERR(l3ck))
82 rate = 100000000;
83 else
84 rate = clk_get_rate(l3ck);
85
86 if (gpio_request(OMAP3EVM_ETHR_GPIO_IRQ, "SMC911x irq") < 0) {
87 printk(KERN_ERR "Failed to request GPIO%d for smc911x IRQ\n",
88 OMAP3EVM_ETHR_GPIO_IRQ);
89 return;
90 }
91
92 gpio_direction_input(OMAP3EVM_ETHR_GPIO_IRQ);
93}
94
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95static struct twl4030_hsmmc_info mmc[] = {
96 {
97 .mmc = 1,
98 .wires = 4,
99 .gpio_cd = -EINVAL,
100 .gpio_wp = 63,
101 },
102 {} /* Terminator */
103};
104
105static struct gpio_led gpio_leds[] = {
106 {
107 .name = "omap3evm::ledb",
108 /* normally not visible (board underside) */
109 .default_trigger = "default-on",
110 .gpio = -EINVAL, /* gets replaced */
111 .active_low = true,
112 },
113};
114
115static struct gpio_led_platform_data gpio_led_info = {
116 .leds = gpio_leds,
117 .num_leds = ARRAY_SIZE(gpio_leds),
118};
119
120static struct platform_device leds_gpio = {
121 .name = "leds-gpio",
122 .id = -1,
123 .dev = {
124 .platform_data = &gpio_led_info,
125 },
126};
127
128
129static int omap3evm_twl_gpio_setup(struct device *dev,
130 unsigned gpio, unsigned ngpio)
131{
132 /* gpio + 0 is "mmc0_cd" (input/IRQ) */
133 omap_cfg_reg(L8_34XX_GPIO63);
134 mmc[0].gpio_cd = gpio + 0;
135 twl4030_mmc_init(mmc);
136
137 /*
138 * Most GPIOs are for USB OTG. Some are mostly sent to
139 * the P2 connector; notably LEDA for the LCD backlight.
140 */
141
142 /* TWL4030_GPIO_MAX + 1 == ledB (out, active low LED) */
143 gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
144
145 platform_device_register(&leds_gpio);
146
147 return 0;
148}
149
150static struct twl4030_gpio_platform_data omap3evm_gpio_data = {
151 .gpio_base = OMAP_MAX_GPIO_LINES,
152 .irq_base = TWL4030_GPIO_IRQ_BASE,
153 .irq_end = TWL4030_GPIO_IRQ_END,
154 .use_leds = true,
155 .setup = omap3evm_twl_gpio_setup,
156};
157
158static struct twl4030_usb_data omap3evm_usb_data = {
159 .usb_mode = T2_USB_MODE_ULPI,
160};
161
4f543332 162static int board_keymap[] = {
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163 KEY(0, 0, KEY_LEFT),
164 KEY(0, 1, KEY_RIGHT),
165 KEY(0, 2, KEY_A),
166 KEY(0, 3, KEY_B),
167 KEY(1, 0, KEY_DOWN),
168 KEY(1, 1, KEY_UP),
169 KEY(1, 2, KEY_E),
170 KEY(1, 3, KEY_F),
171 KEY(2, 0, KEY_ENTER),
172 KEY(2, 1, KEY_I),
173 KEY(2, 2, KEY_J),
174 KEY(2, 3, KEY_K),
175 KEY(3, 0, KEY_M),
176 KEY(3, 1, KEY_N),
177 KEY(3, 2, KEY_O),
178 KEY(3, 3, KEY_P)
179};
180
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181static struct matrix_keymap_data board_map_data = {
182 .keymap = board_keymap,
183 .keymap_size = ARRAY_SIZE(board_keymap),
184};
185
53c5ec31 186static struct twl4030_keypad_data omap3evm_kp_data = {
4f543332 187 .keymap_data = &board_map_data,
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188 .rows = 4,
189 .cols = 4,
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190 .rep = 1,
191};
192
193static struct twl4030_madc_platform_data omap3evm_madc_data = {
194 .irq_line = 1,
195};
196
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197static struct twl4030_codec_audio_data omap3evm_audio_data = {
198 .audio_mclk = 26000000,
199};
200
201static struct twl4030_codec_data omap3evm_codec_data = {
6df74efb 202 .audio_mclk = 26000000,
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203 .audio = &omap3evm_audio_data,
204};
205
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206static struct twl4030_platform_data omap3evm_twldata = {
207 .irq_base = TWL4030_IRQ_BASE,
208 .irq_end = TWL4030_IRQ_END,
209
210 /* platform_data for children goes here */
211 .keypad = &omap3evm_kp_data,
212 .madc = &omap3evm_madc_data,
213 .usb = &omap3evm_usb_data,
214 .gpio = &omap3evm_gpio_data,
e86fa0b4 215 .codec = &omap3evm_codec_data,
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216};
217
218static struct i2c_board_info __initdata omap3evm_i2c_boardinfo[] = {
219 {
220 I2C_BOARD_INFO("twl4030", 0x48),
221 .flags = I2C_CLIENT_WAKE,
222 .irq = INT_34XX_SYS_NIRQ,
223 .platform_data = &omap3evm_twldata,
224 },
225};
226
227static int __init omap3_evm_i2c_init(void)
228{
229 omap_register_i2c_bus(1, 2600, omap3evm_i2c_boardinfo,
230 ARRAY_SIZE(omap3evm_i2c_boardinfo));
231 omap_register_i2c_bus(2, 400, NULL, 0);
232 omap_register_i2c_bus(3, 400, NULL, 0);
233 return 0;
234}
235
236static struct platform_device omap3_evm_lcd_device = {
237 .name = "omap3evm_lcd",
238 .id = -1,
239};
240
241static struct omap_lcd_config omap3_evm_lcd_config __initdata = {
242 .ctrl_name = "internal",
243};
244
245static void ads7846_dev_init(void)
246{
247 if (gpio_request(OMAP3_EVM_TS_GPIO, "ADS7846 pendown") < 0)
248 printk(KERN_ERR "can't get ads7846 pen down GPIO\n");
249
250 gpio_direction_input(OMAP3_EVM_TS_GPIO);
251
252 omap_set_gpio_debounce(OMAP3_EVM_TS_GPIO, 1);
253 omap_set_gpio_debounce_time(OMAP3_EVM_TS_GPIO, 0xa);
254}
255
256static int ads7846_get_pendown_state(void)
257{
258 return !gpio_get_value(OMAP3_EVM_TS_GPIO);
259}
260
261struct ads7846_platform_data ads7846_config = {
262 .x_max = 0x0fff,
263 .y_max = 0x0fff,
264 .x_plate_ohms = 180,
265 .pressure_max = 255,
266 .debounce_max = 10,
267 .debounce_tol = 3,
268 .debounce_rep = 1,
269 .get_pendown_state = ads7846_get_pendown_state,
270 .keep_vref_on = 1,
271 .settle_delay_usecs = 150,
272};
273
274static struct omap2_mcspi_device_config ads7846_mcspi_config = {
275 .turbo_mode = 0,
276 .single_channel = 1, /* 0: slave, 1: master */
277};
278
279struct spi_board_info omap3evm_spi_board_info[] = {
280 [0] = {
281 .modalias = "ads7846",
282 .bus_num = 1,
283 .chip_select = 0,
284 .max_speed_hz = 1500000,
285 .controller_data = &ads7846_mcspi_config,
286 .irq = OMAP_GPIO_IRQ(OMAP3_EVM_TS_GPIO),
287 .platform_data = &ads7846_config,
288 },
289};
290
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291static struct omap_board_config_kernel omap3_evm_config[] __initdata = {
292 { OMAP_TAG_LCD, &omap3_evm_lcd_config },
293};
294
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295static void __init omap3_evm_init_irq(void)
296{
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297 omap_board_config = omap3_evm_config;
298 omap_board_config_size = ARRAY_SIZE(omap3_evm_config);
58cda884 299 omap2_init_common_hw(mt46h32m32lf6_sdrc_params, NULL);
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300 omap_init_irq();
301 omap_gpio_init();
302 omap3evm_init_smc911x();
303}
304
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305static struct platform_device *omap3_evm_devices[] __initdata = {
306 &omap3_evm_lcd_device,
307 &omap3evm_smc911x_device,
308};
309
310static void __init omap3_evm_init(void)
311{
312 omap3_evm_i2c_init();
313
314 platform_add_devices(omap3_evm_devices, ARRAY_SIZE(omap3_evm_devices));
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315
316 spi_register_board_info(omap3evm_spi_board_info,
317 ARRAY_SIZE(omap3evm_spi_board_info));
318
319 omap_serial_init();
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320#ifdef CONFIG_NOP_USB_XCEIV
321 /* OMAP3EVM uses ISP1504 phy and so register nop transceiver */
322 usb_nop_xceiv_register();
323#endif
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324 usb_musb_init();
325 ads7846_dev_init();
326}
327
328static void __init omap3_evm_map_io(void)
329{
330 omap2_set_globals_343x();
331 omap2_map_common_io();
332}
333
334MACHINE_START(OMAP3EVM, "OMAP3 EVM")
335 /* Maintainer: Syed Mohammed Khasim - Texas Instruments */
336 .phys_io = 0x48000000,
b4224b23 337 .io_pg_offst = ((0xfa000000) >> 18) & 0xfffc,
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338 .boot_params = 0x80000100,
339 .map_io = omap3_evm_map_io,
340 .init_irq = omap3_evm_init_irq,
341 .init_machine = omap3_evm_init,
342 .timer = &omap_timer,
343MACHINE_END
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