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-rw-r--r--arch/arm/mach-omap2/board-rx51-peripherals.c419
1 files changed, 419 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c
new file mode 100644
index 000000000000..a7381729645c
--- /dev/null
+++ b/arch/arm/mach-omap2/board-rx51-peripherals.c
@@ -0,0 +1,419 @@
1/*
2 * linux/arch/arm/mach-omap2/board-rx51-flash.c
3 *
4 * Copyright (C) 2008-2009 Nokia
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 */
10
11#include <linux/kernel.h>
12#include <linux/init.h>
13#include <linux/platform_device.h>
14#include <linux/input.h>
15#include <linux/spi/spi.h>
16#include <linux/i2c.h>
17#include <linux/i2c/twl4030.h>
18#include <linux/clk.h>
19#include <linux/delay.h>
20#include <linux/regulator/machine.h>
21#include <linux/gpio.h>
22
23#include <mach/mcspi.h>
24#include <mach/mux.h>
25#include <mach/board.h>
26#include <mach/common.h>
27#include <mach/dma.h>
28#include <mach/gpmc.h>
29#include <mach/keypad.h>
30
31#include "mmc-twl4030.h"
32
33
34#define SMC91X_CS 1
35#define SMC91X_GPIO_IRQ 54
36#define SMC91X_GPIO_RESET 164
37#define SMC91X_GPIO_PWRDWN 86
38
39static struct resource rx51_smc91x_resources[] = {
40 [0] = {
41 .flags = IORESOURCE_MEM,
42 },
43 [1] = {
44 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
45 },
46};
47
48static struct platform_device rx51_smc91x_device = {
49 .name = "smc91x",
50 .id = -1,
51 .num_resources = ARRAY_SIZE(rx51_smc91x_resources),
52 .resource = rx51_smc91x_resources,
53};
54
55static int rx51_keymap[] = {
56 KEY(0, 0, KEY_Q),
57 KEY(0, 1, KEY_W),
58 KEY(0, 2, KEY_E),
59 KEY(0, 3, KEY_R),
60 KEY(0, 4, KEY_T),
61 KEY(0, 5, KEY_Y),
62 KEY(0, 6, KEY_U),
63 KEY(0, 7, KEY_I),
64 KEY(1, 0, KEY_O),
65 KEY(1, 1, KEY_D),
66 KEY(1, 2, KEY_DOT),
67 KEY(1, 3, KEY_V),
68 KEY(1, 4, KEY_DOWN),
69 KEY(2, 0, KEY_P),
70 KEY(2, 1, KEY_F),
71 KEY(2, 2, KEY_UP),
72 KEY(2, 3, KEY_B),
73 KEY(2, 4, KEY_RIGHT),
74 KEY(3, 0, KEY_COMMA),
75 KEY(3, 1, KEY_G),
76 KEY(3, 2, KEY_ENTER),
77 KEY(3, 3, KEY_N),
78 KEY(4, 0, KEY_BACKSPACE),
79 KEY(4, 1, KEY_H),
80 KEY(4, 3, KEY_M),
81 KEY(4, 4, KEY_LEFTCTRL),
82 KEY(5, 1, KEY_J),
83 KEY(5, 2, KEY_Z),
84 KEY(5, 3, KEY_SPACE),
85 KEY(5, 4, KEY_LEFTSHIFT),
86 KEY(6, 0, KEY_A),
87 KEY(6, 1, KEY_K),
88 KEY(6, 2, KEY_X),
89 KEY(6, 3, KEY_SPACE),
90 KEY(6, 4, KEY_FN),
91 KEY(7, 0, KEY_S),
92 KEY(7, 1, KEY_L),
93 KEY(7, 2, KEY_C),
94 KEY(7, 3, KEY_LEFT),
95 KEY(0xff, 0, KEY_F6),
96 KEY(0xff, 1, KEY_F7),
97 KEY(0xff, 2, KEY_F8),
98 KEY(0xff, 4, KEY_F9),
99 KEY(0xff, 5, KEY_F10),
100};
101
102static struct twl4030_keypad_data rx51_kp_data = {
103 .rows = 8,
104 .cols = 8,
105 .keymap = rx51_keymap,
106 .keymapsize = ARRAY_SIZE(rx51_keymap),
107 .rep = 1,
108};
109
110static struct platform_device *rx51_peripherals_devices[] = {
111 &rx51_smc91x_device,
112};
113
114/*
115 * Timings are taken from smsc-lan91c96-ms.pdf
116 */
117static int smc91x_init_gpmc(int cs)
118{
119 struct gpmc_timings t;
120 const int t2_r = 45; /* t2 in Figure 12.10 */
121 const int t2_w = 30; /* t2 in Figure 12.11 */
122 const int t3 = 15; /* t3 in Figure 12.10 */
123 const int t5_r = 0; /* t5 in Figure 12.10 */
124 const int t6_r = 45; /* t6 in Figure 12.10 */
125 const int t6_w = 0; /* t6 in Figure 12.11 */
126 const int t7_w = 15; /* t7 in Figure 12.11 */
127 const int t15 = 12; /* t15 in Figure 12.2 */
128 const int t20 = 185; /* t20 in Figure 12.2 */
129
130 memset(&t, 0, sizeof(t));
131
132 t.cs_on = t15;
133 t.cs_rd_off = t3 + t2_r + t5_r; /* Figure 12.10 */
134 t.cs_wr_off = t3 + t2_w + t6_w; /* Figure 12.11 */
135 t.adv_on = t3; /* Figure 12.10 */
136 t.adv_rd_off = t3 + t2_r; /* Figure 12.10 */
137 t.adv_wr_off = t3 + t2_w; /* Figure 12.11 */
138 t.oe_off = t3 + t2_r + t5_r; /* Figure 12.10 */
139 t.oe_on = t.oe_off - t6_r; /* Figure 12.10 */
140 t.we_off = t3 + t2_w + t6_w; /* Figure 12.11 */
141 t.we_on = t.we_off - t7_w; /* Figure 12.11 */
142 t.rd_cycle = t20; /* Figure 12.2 */
143 t.wr_cycle = t20; /* Figure 12.4 */
144 t.access = t3 + t2_r + t5_r; /* Figure 12.10 */
145 t.wr_access = t3 + t2_w + t6_w; /* Figure 12.11 */
146
147 gpmc_cs_write_reg(cs, GPMC_CS_CONFIG1, GPMC_CONFIG1_DEVICESIZE_16);
148
149 return gpmc_cs_set_timings(cs, &t);
150}
151
152static void __init rx51_init_smc91x(void)
153{
154 unsigned long cs_mem_base;
155 int ret;
156
157 omap_cfg_reg(U8_34XX_GPIO54_DOWN);
158 omap_cfg_reg(G25_34XX_GPIO86_OUT);
159 omap_cfg_reg(H19_34XX_GPIO164_OUT);
160
161 if (gpmc_cs_request(SMC91X_CS, SZ_16M, &cs_mem_base) < 0) {
162 printk(KERN_ERR "Failed to request GPMC mem for smc91x\n");
163 return;
164 }
165
166 rx51_smc91x_resources[0].start = cs_mem_base + 0x300;
167 rx51_smc91x_resources[0].end = cs_mem_base + 0x30f;
168
169 smc91x_init_gpmc(SMC91X_CS);
170
171 if (gpio_request(SMC91X_GPIO_IRQ, "SMC91X irq") < 0)
172 goto free1;
173
174 gpio_direction_input(SMC91X_GPIO_IRQ);
175 rx51_smc91x_resources[1].start = gpio_to_irq(SMC91X_GPIO_IRQ);
176
177 ret = gpio_request(SMC91X_GPIO_PWRDWN, "SMC91X powerdown");
178 if (ret)
179 goto free2;
180 gpio_direction_output(SMC91X_GPIO_PWRDWN, 0);
181
182 ret = gpio_request(SMC91X_GPIO_RESET, "SMC91X reset");
183 if (ret)
184 goto free3;
185 gpio_direction_output(SMC91X_GPIO_RESET, 0);
186 gpio_set_value(SMC91X_GPIO_RESET, 1);
187 msleep(100);
188 gpio_set_value(SMC91X_GPIO_RESET, 0);
189
190 return;
191
192free3:
193 gpio_free(SMC91X_GPIO_PWRDWN);
194free2:
195 gpio_free(SMC91X_GPIO_IRQ);
196free1:
197 gpmc_cs_free(SMC91X_CS);
198
199 printk(KERN_ERR "Could not initialize smc91x\n");
200}
201
202static struct twl4030_madc_platform_data rx51_madc_data = {
203 .irq_line = 1,
204};
205
206static struct twl4030_hsmmc_info mmc[] = {
207 {
208 .name = "external",
209 .mmc = 1,
210 .wires = 4,
211 .cover_only = true,
212 .gpio_cd = 160,
213 .gpio_wp = -EINVAL,
214 },
215 {
216 .name = "internal",
217 .mmc = 2,
218 .wires = 8,
219 .gpio_cd = -EINVAL,
220 .gpio_wp = -EINVAL,
221 },
222 {} /* Terminator */
223};
224
225static struct regulator_consumer_supply rx51_vmmc1_supply = {
226 .supply = "vmmc",
227};
228
229static struct regulator_consumer_supply rx51_vmmc2_supply = {
230 .supply = "vmmc",
231};
232
233static struct regulator_consumer_supply rx51_vsim_supply = {
234 .supply = "vmmc_aux",
235};
236
237static struct regulator_init_data rx51_vaux1 = {
238 .constraints = {
239 .name = "V28",
240 .min_uV = 2800000,
241 .max_uV = 2800000,
242 .valid_modes_mask = REGULATOR_MODE_NORMAL
243 | REGULATOR_MODE_STANDBY,
244 .valid_ops_mask = REGULATOR_CHANGE_MODE
245 | REGULATOR_CHANGE_STATUS,
246 },
247};
248
249static struct regulator_init_data rx51_vaux2 = {
250 .constraints = {
251 .name = "VCSI",
252 .min_uV = 1800000,
253 .max_uV = 1800000,
254 .valid_modes_mask = REGULATOR_MODE_NORMAL
255 | REGULATOR_MODE_STANDBY,
256 .valid_ops_mask = REGULATOR_CHANGE_MODE
257 | REGULATOR_CHANGE_STATUS,
258 },
259};
260
261/* VAUX3 - adds more power to VIO_18 rail */
262static struct regulator_init_data rx51_vaux3 = {
263 .constraints = {
264 .name = "VCAM_DIG_18",
265 .min_uV = 1800000,
266 .max_uV = 1800000,
267 .apply_uV = true,
268 .valid_modes_mask = REGULATOR_MODE_NORMAL
269 | REGULATOR_MODE_STANDBY,
270 .valid_ops_mask = REGULATOR_CHANGE_MODE
271 | REGULATOR_CHANGE_STATUS,
272 },
273};
274
275static struct regulator_init_data rx51_vaux4 = {
276 .constraints = {
277 .name = "VCAM_ANA_28",
278 .min_uV = 2800000,
279 .max_uV = 2800000,
280 .apply_uV = true,
281 .valid_modes_mask = REGULATOR_MODE_NORMAL
282 | REGULATOR_MODE_STANDBY,
283 .valid_ops_mask = REGULATOR_CHANGE_MODE
284 | REGULATOR_CHANGE_STATUS,
285 },
286};
287
288static struct regulator_init_data rx51_vmmc1 = {
289 .constraints = {
290 .min_uV = 1850000,
291 .max_uV = 3150000,
292 .valid_modes_mask = REGULATOR_MODE_NORMAL
293 | REGULATOR_MODE_STANDBY,
294 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
295 | REGULATOR_CHANGE_MODE
296 | REGULATOR_CHANGE_STATUS,
297 },
298 .num_consumer_supplies = 1,
299 .consumer_supplies = &rx51_vmmc1_supply,
300};
301
302static struct regulator_init_data rx51_vmmc2 = {
303 .constraints = {
304 .name = "VMMC2_30",
305 .min_uV = 1850000,
306 .max_uV = 3150000,
307 .apply_uV = true,
308 .valid_modes_mask = REGULATOR_MODE_NORMAL
309 | REGULATOR_MODE_STANDBY,
310 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
311 | REGULATOR_CHANGE_MODE
312 | REGULATOR_CHANGE_STATUS,
313 },
314 .num_consumer_supplies = 1,
315 .consumer_supplies = &rx51_vmmc2_supply,
316};
317
318static struct regulator_init_data rx51_vsim = {
319 .constraints = {
320 .name = "VMMC2_IO_18",
321 .min_uV = 1800000,
322 .max_uV = 1800000,
323 .apply_uV = true,
324 .valid_modes_mask = REGULATOR_MODE_NORMAL
325 | REGULATOR_MODE_STANDBY,
326 .valid_ops_mask = REGULATOR_CHANGE_MODE
327 | REGULATOR_CHANGE_STATUS,
328 },
329 .num_consumer_supplies = 1,
330 .consumer_supplies = &rx51_vsim_supply,
331};
332
333static struct regulator_init_data rx51_vdac = {
334 .constraints = {
335 .min_uV = 1800000,
336 .max_uV = 1800000,
337 .valid_modes_mask = REGULATOR_MODE_NORMAL
338 | REGULATOR_MODE_STANDBY,
339 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
340 | REGULATOR_CHANGE_MODE
341 | REGULATOR_CHANGE_STATUS,
342 },
343};
344
345static int rx51_twlgpio_setup(struct device *dev, unsigned gpio, unsigned n)
346{
347 /* FIXME this gpio setup is just a placeholder for now */
348 gpio_request(gpio + 6, "backlight_pwm");
349 gpio_direction_output(gpio + 6, 0);
350 gpio_request(gpio + 7, "speaker_en");
351 gpio_direction_output(gpio + 7, 1);
352
353 /* set up MMC adapters, linking their regulators to them */
354 twl4030_mmc_init(mmc);
355 rx51_vmmc1_supply.dev = mmc[0].dev;
356 rx51_vmmc2_supply.dev = mmc[1].dev;
357 rx51_vsim_supply.dev = mmc[1].dev;
358
359 return 0;
360}
361
362static struct twl4030_gpio_platform_data rx51_gpio_data = {
363 .gpio_base = OMAP_MAX_GPIO_LINES,
364 .irq_base = TWL4030_GPIO_IRQ_BASE,
365 .irq_end = TWL4030_GPIO_IRQ_END,
366 .pulldowns = BIT(0) | BIT(1) | BIT(2) | BIT(3)
367 | BIT(4) | BIT(5)
368 | BIT(8) | BIT(9) | BIT(10) | BIT(11)
369 | BIT(12) | BIT(13) | BIT(14) | BIT(15)
370 | BIT(16) | BIT(17) ,
371 .setup = rx51_twlgpio_setup,
372};
373
374static struct twl4030_platform_data rx51_twldata = {
375 .irq_base = TWL4030_IRQ_BASE,
376 .irq_end = TWL4030_IRQ_END,
377
378 /* platform_data for children goes here */
379 .gpio = &rx51_gpio_data,
380 .keypad = &rx51_kp_data,
381 .madc = &rx51_madc_data,
382
383 .vaux1 = &rx51_vaux1,
384 .vaux2 = &rx51_vaux2,
385 .vaux3 = &rx51_vaux3,
386 .vaux4 = &rx51_vaux4,
387 .vmmc1 = &rx51_vmmc1,
388 .vmmc2 = &rx51_vmmc2,
389 .vsim = &rx51_vsim,
390 .vdac = &rx51_vdac,
391};
392
393static struct i2c_board_info __initdata rx51_peripherals_i2c_board_info_1[] = {
394 {
395 I2C_BOARD_INFO("twl5030", 0x48),
396 .flags = I2C_CLIENT_WAKE,
397 .irq = INT_34XX_SYS_NIRQ,
398 .platform_data = &rx51_twldata,
399 },
400};
401
402static int __init rx51_i2c_init(void)
403{
404 omap_register_i2c_bus(1, 2600, rx51_peripherals_i2c_board_info_1,
405 ARRAY_SIZE(rx51_peripherals_i2c_board_info_1));
406 omap_register_i2c_bus(2, 100, NULL, 0);
407 omap_register_i2c_bus(3, 400, NULL, 0);
408 return 0;
409}
410
411
412void __init rx51_peripherals_init(void)
413{
414 platform_add_devices(rx51_peripherals_devices,
415 ARRAY_SIZE(rx51_peripherals_devices));
416 rx51_i2c_init();
417 rx51_init_smc91x();
418}
419
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-11 03:24:17 -0500