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53c5ec31 SMK |
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> |
53c5ec31 SMK |
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> |
53c5ec31 SMK |
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 | ||
ce491cf8 TL |
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> | |
53c5ec31 SMK |
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 | |
db408023 | 49 | #define OMAP3EVM_ETHR_ID_REV 0x50 |
53c5ec31 SMK |
50 | #define OMAP3EVM_ETHR_GPIO_IRQ 176 |
51 | #define OMAP3EVM_SMC911X_CS 5 | |
52 | ||
db408023 AKG |
53 | static u8 omap3_evm_version; |
54 | ||
55 | u8 get_omap3_evm_rev(void) | |
56 | { | |
57 | return omap3_evm_version; | |
58 | } | |
59 | EXPORT_SYMBOL(get_omap3_evm_rev); | |
60 | ||
61 | static void __init omap3_evm_get_revision(void) | |
62 | { | |
63 | void __iomem *ioaddr; | |
64 | unsigned int smsc_id; | |
65 | ||
66 | /* Ethernet PHY ID is stored at ID_REV register */ | |
67 | ioaddr = ioremap_nocache(OMAP3EVM_ETHR_START, SZ_1K); | |
68 | if (!ioaddr) | |
69 | return; | |
70 | smsc_id = readl(ioaddr + OMAP3EVM_ETHR_ID_REV) & 0xFFFF0000; | |
71 | iounmap(ioaddr); | |
72 | ||
73 | switch (smsc_id) { | |
74 | /*SMSC9115 chipset*/ | |
75 | case 0x01150000: | |
76 | omap3_evm_version = OMAP3EVM_BOARD_GEN_1; | |
77 | break; | |
78 | /*SMSC 9220 chipset*/ | |
79 | case 0x92200000: | |
80 | default: | |
81 | omap3_evm_version = OMAP3EVM_BOARD_GEN_2; | |
82 | } | |
83 | } | |
84 | ||
53c5ec31 SMK |
85 | static struct resource omap3evm_smc911x_resources[] = { |
86 | [0] = { | |
87 | .start = OMAP3EVM_ETHR_START, | |
88 | .end = (OMAP3EVM_ETHR_START + OMAP3EVM_ETHR_SIZE - 1), | |
89 | .flags = IORESOURCE_MEM, | |
90 | }, | |
91 | [1] = { | |
92 | .start = OMAP_GPIO_IRQ(OMAP3EVM_ETHR_GPIO_IRQ), | |
93 | .end = OMAP_GPIO_IRQ(OMAP3EVM_ETHR_GPIO_IRQ), | |
94 | .flags = IORESOURCE_IRQ, | |
95 | }, | |
96 | }; | |
97 | ||
98 | static struct platform_device omap3evm_smc911x_device = { | |
99 | .name = "smc911x", | |
100 | .id = -1, | |
101 | .num_resources = ARRAY_SIZE(omap3evm_smc911x_resources), | |
102 | .resource = &omap3evm_smc911x_resources[0], | |
103 | }; | |
104 | ||
105 | static inline void __init omap3evm_init_smc911x(void) | |
106 | { | |
107 | int eth_cs; | |
108 | struct clk *l3ck; | |
109 | unsigned int rate; | |
110 | ||
111 | eth_cs = OMAP3EVM_SMC911X_CS; | |
112 | ||
113 | l3ck = clk_get(NULL, "l3_ck"); | |
114 | if (IS_ERR(l3ck)) | |
115 | rate = 100000000; | |
116 | else | |
117 | rate = clk_get_rate(l3ck); | |
118 | ||
119 | if (gpio_request(OMAP3EVM_ETHR_GPIO_IRQ, "SMC911x irq") < 0) { | |
120 | printk(KERN_ERR "Failed to request GPIO%d for smc911x IRQ\n", | |
121 | OMAP3EVM_ETHR_GPIO_IRQ); | |
122 | return; | |
123 | } | |
124 | ||
125 | gpio_direction_input(OMAP3EVM_ETHR_GPIO_IRQ); | |
126 | } | |
127 | ||
53c5ec31 SMK |
128 | static struct twl4030_hsmmc_info mmc[] = { |
129 | { | |
130 | .mmc = 1, | |
131 | .wires = 4, | |
132 | .gpio_cd = -EINVAL, | |
133 | .gpio_wp = 63, | |
134 | }, | |
135 | {} /* Terminator */ | |
136 | }; | |
137 | ||
138 | static struct gpio_led gpio_leds[] = { | |
139 | { | |
140 | .name = "omap3evm::ledb", | |
141 | /* normally not visible (board underside) */ | |
142 | .default_trigger = "default-on", | |
143 | .gpio = -EINVAL, /* gets replaced */ | |
144 | .active_low = true, | |
145 | }, | |
146 | }; | |
147 | ||
148 | static struct gpio_led_platform_data gpio_led_info = { | |
149 | .leds = gpio_leds, | |
150 | .num_leds = ARRAY_SIZE(gpio_leds), | |
151 | }; | |
152 | ||
153 | static struct platform_device leds_gpio = { | |
154 | .name = "leds-gpio", | |
155 | .id = -1, | |
156 | .dev = { | |
157 | .platform_data = &gpio_led_info, | |
158 | }, | |
159 | }; | |
160 | ||
161 | ||
162 | static int omap3evm_twl_gpio_setup(struct device *dev, | |
163 | unsigned gpio, unsigned ngpio) | |
164 | { | |
165 | /* gpio + 0 is "mmc0_cd" (input/IRQ) */ | |
166 | omap_cfg_reg(L8_34XX_GPIO63); | |
167 | mmc[0].gpio_cd = gpio + 0; | |
168 | twl4030_mmc_init(mmc); | |
169 | ||
170 | /* | |
171 | * Most GPIOs are for USB OTG. Some are mostly sent to | |
172 | * the P2 connector; notably LEDA for the LCD backlight. | |
173 | */ | |
174 | ||
175 | /* TWL4030_GPIO_MAX + 1 == ledB (out, active low LED) */ | |
176 | gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1; | |
177 | ||
178 | platform_device_register(&leds_gpio); | |
179 | ||
180 | return 0; | |
181 | } | |
182 | ||
183 | static struct twl4030_gpio_platform_data omap3evm_gpio_data = { | |
184 | .gpio_base = OMAP_MAX_GPIO_LINES, | |
185 | .irq_base = TWL4030_GPIO_IRQ_BASE, | |
186 | .irq_end = TWL4030_GPIO_IRQ_END, | |
187 | .use_leds = true, | |
188 | .setup = omap3evm_twl_gpio_setup, | |
189 | }; | |
190 | ||
191 | static struct twl4030_usb_data omap3evm_usb_data = { | |
192 | .usb_mode = T2_USB_MODE_ULPI, | |
193 | }; | |
194 | ||
4f543332 | 195 | static int board_keymap[] = { |
53c5ec31 SMK |
196 | KEY(0, 0, KEY_LEFT), |
197 | KEY(0, 1, KEY_RIGHT), | |
198 | KEY(0, 2, KEY_A), | |
199 | KEY(0, 3, KEY_B), | |
200 | KEY(1, 0, KEY_DOWN), | |
201 | KEY(1, 1, KEY_UP), | |
202 | KEY(1, 2, KEY_E), | |
203 | KEY(1, 3, KEY_F), | |
204 | KEY(2, 0, KEY_ENTER), | |
205 | KEY(2, 1, KEY_I), | |
206 | KEY(2, 2, KEY_J), | |
207 | KEY(2, 3, KEY_K), | |
208 | KEY(3, 0, KEY_M), | |
209 | KEY(3, 1, KEY_N), | |
210 | KEY(3, 2, KEY_O), | |
211 | KEY(3, 3, KEY_P) | |
212 | }; | |
213 | ||
4f543332 TL |
214 | static struct matrix_keymap_data board_map_data = { |
215 | .keymap = board_keymap, | |
216 | .keymap_size = ARRAY_SIZE(board_keymap), | |
217 | }; | |
218 | ||
53c5ec31 | 219 | static struct twl4030_keypad_data omap3evm_kp_data = { |
4f543332 | 220 | .keymap_data = &board_map_data, |
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221 | .rows = 4, |
222 | .cols = 4, | |
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223 | .rep = 1, |
224 | }; | |
225 | ||
226 | static struct twl4030_madc_platform_data omap3evm_madc_data = { | |
227 | .irq_line = 1, | |
228 | }; | |
229 | ||
e86fa0b4 PU |
230 | static struct twl4030_codec_audio_data omap3evm_audio_data = { |
231 | .audio_mclk = 26000000, | |
232 | }; | |
233 | ||
234 | static struct twl4030_codec_data omap3evm_codec_data = { | |
6df74efb | 235 | .audio_mclk = 26000000, |
e86fa0b4 PU |
236 | .audio = &omap3evm_audio_data, |
237 | }; | |
238 | ||
53c5ec31 SMK |
239 | static struct twl4030_platform_data omap3evm_twldata = { |
240 | .irq_base = TWL4030_IRQ_BASE, | |
241 | .irq_end = TWL4030_IRQ_END, | |
242 | ||
243 | /* platform_data for children goes here */ | |
244 | .keypad = &omap3evm_kp_data, | |
245 | .madc = &omap3evm_madc_data, | |
246 | .usb = &omap3evm_usb_data, | |
247 | .gpio = &omap3evm_gpio_data, | |
e86fa0b4 | 248 | .codec = &omap3evm_codec_data, |
53c5ec31 SMK |
249 | }; |
250 | ||
251 | static struct i2c_board_info __initdata omap3evm_i2c_boardinfo[] = { | |
252 | { | |
253 | I2C_BOARD_INFO("twl4030", 0x48), | |
254 | .flags = I2C_CLIENT_WAKE, | |
255 | .irq = INT_34XX_SYS_NIRQ, | |
256 | .platform_data = &omap3evm_twldata, | |
257 | }, | |
258 | }; | |
259 | ||
260 | static int __init omap3_evm_i2c_init(void) | |
261 | { | |
262 | omap_register_i2c_bus(1, 2600, omap3evm_i2c_boardinfo, | |
263 | ARRAY_SIZE(omap3evm_i2c_boardinfo)); | |
264 | omap_register_i2c_bus(2, 400, NULL, 0); | |
265 | omap_register_i2c_bus(3, 400, NULL, 0); | |
266 | return 0; | |
267 | } | |
268 | ||
269 | static struct platform_device omap3_evm_lcd_device = { | |
270 | .name = "omap3evm_lcd", | |
271 | .id = -1, | |
272 | }; | |
273 | ||
274 | static struct omap_lcd_config omap3_evm_lcd_config __initdata = { | |
275 | .ctrl_name = "internal", | |
276 | }; | |
277 | ||
278 | static void ads7846_dev_init(void) | |
279 | { | |
280 | if (gpio_request(OMAP3_EVM_TS_GPIO, "ADS7846 pendown") < 0) | |
281 | printk(KERN_ERR "can't get ads7846 pen down GPIO\n"); | |
282 | ||
283 | gpio_direction_input(OMAP3_EVM_TS_GPIO); | |
284 | ||
285 | omap_set_gpio_debounce(OMAP3_EVM_TS_GPIO, 1); | |
286 | omap_set_gpio_debounce_time(OMAP3_EVM_TS_GPIO, 0xa); | |
287 | } | |
288 | ||
289 | static int ads7846_get_pendown_state(void) | |
290 | { | |
291 | return !gpio_get_value(OMAP3_EVM_TS_GPIO); | |
292 | } | |
293 | ||
294 | struct ads7846_platform_data ads7846_config = { | |
295 | .x_max = 0x0fff, | |
296 | .y_max = 0x0fff, | |
297 | .x_plate_ohms = 180, | |
298 | .pressure_max = 255, | |
299 | .debounce_max = 10, | |
300 | .debounce_tol = 3, | |
301 | .debounce_rep = 1, | |
302 | .get_pendown_state = ads7846_get_pendown_state, | |
303 | .keep_vref_on = 1, | |
304 | .settle_delay_usecs = 150, | |
305 | }; | |
306 | ||
307 | static struct omap2_mcspi_device_config ads7846_mcspi_config = { | |
308 | .turbo_mode = 0, | |
309 | .single_channel = 1, /* 0: slave, 1: master */ | |
310 | }; | |
311 | ||
312 | struct spi_board_info omap3evm_spi_board_info[] = { | |
313 | [0] = { | |
314 | .modalias = "ads7846", | |
315 | .bus_num = 1, | |
316 | .chip_select = 0, | |
317 | .max_speed_hz = 1500000, | |
318 | .controller_data = &ads7846_mcspi_config, | |
319 | .irq = OMAP_GPIO_IRQ(OMAP3_EVM_TS_GPIO), | |
320 | .platform_data = &ads7846_config, | |
321 | }, | |
322 | }; | |
323 | ||
b3c6df3a PW |
324 | static struct omap_board_config_kernel omap3_evm_config[] __initdata = { |
325 | { OMAP_TAG_LCD, &omap3_evm_lcd_config }, | |
326 | }; | |
327 | ||
53c5ec31 SMK |
328 | static void __init omap3_evm_init_irq(void) |
329 | { | |
b3c6df3a PW |
330 | omap_board_config = omap3_evm_config; |
331 | omap_board_config_size = ARRAY_SIZE(omap3_evm_config); | |
58cda884 | 332 | omap2_init_common_hw(mt46h32m32lf6_sdrc_params, NULL); |
53c5ec31 SMK |
333 | omap_init_irq(); |
334 | omap_gpio_init(); | |
335 | omap3evm_init_smc911x(); | |
336 | } | |
337 | ||
53c5ec31 SMK |
338 | static struct platform_device *omap3_evm_devices[] __initdata = { |
339 | &omap3_evm_lcd_device, | |
340 | &omap3evm_smc911x_device, | |
341 | }; | |
342 | ||
58a5491c FB |
343 | static struct ehci_hcd_omap_platform_data ehci_pdata __initconst = { |
344 | ||
345 | .port_mode[0] = EHCI_HCD_OMAP_MODE_UNKNOWN, | |
346 | .port_mode[1] = EHCI_HCD_OMAP_MODE_PHY, | |
347 | .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN, | |
348 | ||
349 | .phy_reset = true, | |
350 | .reset_gpio_port[0] = -EINVAL, | |
351 | .reset_gpio_port[1] = 135, | |
352 | .reset_gpio_port[2] = -EINVAL | |
353 | }; | |
354 | ||
53c5ec31 SMK |
355 | static void __init omap3_evm_init(void) |
356 | { | |
db408023 AKG |
357 | omap3_evm_get_revision(); |
358 | ||
53c5ec31 SMK |
359 | omap3_evm_i2c_init(); |
360 | ||
361 | platform_add_devices(omap3_evm_devices, ARRAY_SIZE(omap3_evm_devices)); | |
53c5ec31 SMK |
362 | |
363 | spi_register_board_info(omap3evm_spi_board_info, | |
364 | ARRAY_SIZE(omap3evm_spi_board_info)); | |
365 | ||
366 | omap_serial_init(); | |
e8e2ff46 GAK |
367 | #ifdef CONFIG_NOP_USB_XCEIV |
368 | /* OMAP3EVM uses ISP1504 phy and so register nop transceiver */ | |
369 | usb_nop_xceiv_register(); | |
370 | #endif | |
53c5ec31 | 371 | usb_musb_init(); |
58a5491c FB |
372 | /* Setup EHCI phy reset padconfig */ |
373 | omap_cfg_reg(AF4_34XX_GPIO135_OUT); | |
374 | usb_ehci_init(&ehci_pdata); | |
53c5ec31 SMK |
375 | ads7846_dev_init(); |
376 | } | |
377 | ||
378 | static void __init omap3_evm_map_io(void) | |
379 | { | |
380 | omap2_set_globals_343x(); | |
381 | omap2_map_common_io(); | |
382 | } | |
383 | ||
384 | MACHINE_START(OMAP3EVM, "OMAP3 EVM") | |
385 | /* Maintainer: Syed Mohammed Khasim - Texas Instruments */ | |
386 | .phys_io = 0x48000000, | |
b4224b23 | 387 | .io_pg_offst = ((0xfa000000) >> 18) & 0xfffc, |
53c5ec31 SMK |
388 | .boot_params = 0x80000100, |
389 | .map_io = omap3_evm_map_io, | |
390 | .init_irq = omap3_evm_init_irq, | |
391 | .init_machine = omap3_evm_init, | |
392 | .timer = &omap_timer, | |
393 | MACHINE_END |