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board-ag5evm.c
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1 /*
2  * arch/arm/mach-shmobile/board-ag5evm.c
3  *
4  * Copyright (C) 2010 Takashi Yoshii <[email protected]>
5  * Copyright (C) 2009 Yoshihiro Shimoda <[email protected]>
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation; version 2 of the License.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
19  *
20  */
21 
22 #include <linux/kernel.h>
23 #include <linux/init.h>
24 #include <linux/interrupt.h>
25 #include <linux/irq.h>
26 #include <linux/platform_device.h>
27 #include <linux/delay.h>
28 #include <linux/io.h>
29 #include <linux/dma-mapping.h>
30 #include <linux/regulator/fixed.h>
32 #include <linux/serial_sci.h>
33 #include <linux/smsc911x.h>
34 #include <linux/gpio.h>
35 #include <linux/videodev2.h>
36 #include <linux/input.h>
37 #include <linux/input/sh_keysc.h>
38 #include <linux/mmc/host.h>
39 #include <linux/mmc/sh_mmcif.h>
41 #include <linux/mfd/tmio.h>
42 #include <linux/sh_clk.h>
43 #include <video/sh_mobile_lcdc.h>
44 #include <video/sh_mipi_dsi.h>
45 #include <sound/sh_fsi.h>
46 #include <mach/hardware.h>
47 #include <mach/irqs.h>
48 #include <mach/sh73a0.h>
49 #include <mach/common.h>
50 #include <asm/mach-types.h>
51 #include <asm/mach/arch.h>
52 #include <asm/hardware/gic.h>
54 #include <asm/traps.h>
55 
56 /* Dummy supplies, where voltage doesn't matter */
57 static struct regulator_consumer_supply dummy_supplies[] = {
58  REGULATOR_SUPPLY("vddvario", "smsc911x"),
59  REGULATOR_SUPPLY("vdd33a", "smsc911x"),
60 };
61 
62 static struct resource smsc9220_resources[] = {
63  [0] = {
64  .start = 0x14000000,
65  .end = 0x14000000 + SZ_64K - 1,
66  .flags = IORESOURCE_MEM,
67  },
68  [1] = {
69  .start = SH73A0_PINT0_IRQ(2), /* PINTA2 */
70  .flags = IORESOURCE_IRQ,
71  },
72 };
73 
74 static struct smsc911x_platform_config smsc9220_platdata = {
76  .phy_interface = PHY_INTERFACE_MODE_MII,
77  .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
78  .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
79 };
80 
81 static struct platform_device eth_device = {
82  .name = "smsc911x",
83  .id = 0,
84  .dev = {
85  .platform_data = &smsc9220_platdata,
86  },
87  .resource = smsc9220_resources,
88  .num_resources = ARRAY_SIZE(smsc9220_resources),
89 };
90 
91 static struct sh_keysc_info keysc_platdata = {
92  .mode = SH_KEYSC_MODE_6,
93  .scan_timing = 3,
94  .delay = 100,
95  .keycodes = {
101  KEY_COFFEE,
104  KEY_COMPUTER,
105  },
106 };
107 
108 static struct resource keysc_resources[] = {
109  [0] = {
110  .name = "KEYSC",
111  .start = 0xe61b0000,
112  .end = 0xe61b0098 - 1,
113  .flags = IORESOURCE_MEM,
114  },
115  [1] = {
116  .start = gic_spi(71),
117  .flags = IORESOURCE_IRQ,
118  },
119 };
120 
121 static struct platform_device keysc_device = {
122  .name = "sh_keysc",
123  .id = 0,
124  .num_resources = ARRAY_SIZE(keysc_resources),
125  .resource = keysc_resources,
126  .dev = {
127  .platform_data = &keysc_platdata,
128  },
129 };
130 
131 /* FSI A */
132 static struct resource fsi_resources[] = {
133  [0] = {
134  .name = "FSI",
135  .start = 0xEC230000,
136  .end = 0xEC230400 - 1,
137  .flags = IORESOURCE_MEM,
138  },
139  [1] = {
140  .start = gic_spi(146),
141  .flags = IORESOURCE_IRQ,
142  },
143 };
144 
145 static struct platform_device fsi_device = {
146  .name = "sh_fsi2",
147  .id = -1,
148  .num_resources = ARRAY_SIZE(fsi_resources),
149  .resource = fsi_resources,
150 };
151 
152 /* Fixed 1.8V regulator to be used by MMCIF */
153 static struct regulator_consumer_supply fixed1v8_power_consumers[] =
154 {
155  REGULATOR_SUPPLY("vmmc", "sh_mmcif.0"),
156  REGULATOR_SUPPLY("vqmmc", "sh_mmcif.0"),
157 };
158 
159 static struct resource sh_mmcif_resources[] = {
160  [0] = {
161  .name = "MMCIF",
162  .start = 0xe6bd0000,
163  .end = 0xe6bd00ff,
164  .flags = IORESOURCE_MEM,
165  },
166  [1] = {
167  .start = gic_spi(141),
168  .flags = IORESOURCE_IRQ,
169  },
170  [2] = {
171  .start = gic_spi(140),
172  .flags = IORESOURCE_IRQ,
173  },
174 };
175 
176 static struct sh_mmcif_plat_data sh_mmcif_platdata = {
177  .sup_pclk = 0,
178  .ocr = MMC_VDD_165_195,
180  .slave_id_tx = SHDMA_SLAVE_MMCIF_TX,
181  .slave_id_rx = SHDMA_SLAVE_MMCIF_RX,
182 };
183 
184 static struct platform_device mmc_device = {
185  .name = "sh_mmcif",
186  .id = 0,
187  .dev = {
188  .dma_mask = NULL,
189  .coherent_dma_mask = 0xffffffff,
190  .platform_data = &sh_mmcif_platdata,
191  },
192  .num_resources = ARRAY_SIZE(sh_mmcif_resources),
193  .resource = sh_mmcif_resources,
194 };
195 
196 /* IrDA */
197 static struct resource irda_resources[] = {
198  [0] = {
199  .start = 0xE6D00000,
200  .end = 0xE6D01FD4 - 1,
201  .flags = IORESOURCE_MEM,
202  },
203  [1] = {
204  .start = gic_spi(95),
205  .flags = IORESOURCE_IRQ,
206  },
207 };
208 
209 static struct platform_device irda_device = {
210  .name = "sh_irda",
211  .id = 0,
212  .resource = irda_resources,
213  .num_resources = ARRAY_SIZE(irda_resources),
214 };
215 
216 static unsigned char lcd_backlight_seq[3][2] = {
217  { 0x04, 0x07 },
218  { 0x23, 0x80 },
219  { 0x03, 0x01 },
220 };
221 
222 static void lcd_backlight_on(void)
223 {
224  struct i2c_adapter *a;
225  struct i2c_msg msg;
226  int k;
227 
228  a = i2c_get_adapter(1);
229  for (k = 0; a && k < 3; k++) {
230  msg.addr = 0x6d;
231  msg.buf = &lcd_backlight_seq[k][0];
232  msg.len = 2;
233  msg.flags = 0;
234  if (i2c_transfer(a, &msg, 1) != 1)
235  break;
236  }
237 }
238 
239 static void lcd_backlight_reset(void)
240 {
242  mdelay(24);
244 }
245 
246 /* LCDC0 */
247 static const struct fb_videomode lcdc0_modes[] = {
248  {
249  .name = "R63302(QHD)",
250  .xres = 544,
251  .yres = 961,
252  .left_margin = 72,
253  .right_margin = 600,
254  .hsync_len = 16,
255  .upper_margin = 8,
256  .lower_margin = 8,
257  .vsync_len = 2,
259  },
260 };
261 
262 static struct sh_mobile_lcdc_info lcdc0_info = {
263  .clock_source = LCDC_CLK_PERIPHERAL,
264  .ch[0] = {
265  .chan = LCDC_CHAN_MAINLCD,
266  .interface_type = RGB24,
267  .clock_divider = 1,
268  .flags = LCDC_FLAGS_DWPOL,
269  .fourcc = V4L2_PIX_FMT_RGB565,
270  .lcd_modes = lcdc0_modes,
271  .num_modes = ARRAY_SIZE(lcdc0_modes),
272  .panel_cfg = {
273  .width = 44,
274  .height = 79,
275  .display_on = lcd_backlight_on,
276  .display_off = lcd_backlight_reset,
277  },
278  }
279 };
280 
281 static struct resource lcdc0_resources[] = {
282  [0] = {
283  .name = "LCDC0",
284  .start = 0xfe940000, /* P4-only space */
285  .end = 0xfe943fff,
286  .flags = IORESOURCE_MEM,
287  },
288  [1] = {
289  .start = intcs_evt2irq(0x580),
290  .flags = IORESOURCE_IRQ,
291  },
292 };
293 
294 static struct platform_device lcdc0_device = {
295  .name = "sh_mobile_lcdc_fb",
296  .num_resources = ARRAY_SIZE(lcdc0_resources),
297  .resource = lcdc0_resources,
298  .id = 0,
299  .dev = {
300  .platform_data = &lcdc0_info,
301  .coherent_dma_mask = ~0,
302  },
303 };
304 
305 /* MIPI-DSI */
306 static struct resource mipidsi0_resources[] = {
307  [0] = {
308  .name = "DSI0",
309  .start = 0xfeab0000,
310  .end = 0xfeab3fff,
311  .flags = IORESOURCE_MEM,
312  },
313  [1] = {
314  .name = "DSI0",
315  .start = 0xfeab4000,
316  .end = 0xfeab7fff,
317  .flags = IORESOURCE_MEM,
318  },
319 };
320 
321 static int sh_mipi_set_dot_clock(struct platform_device *pdev,
322  void __iomem *base,
323  int enable)
324 {
325  struct clk *pck, *phy;
326  int ret;
327 
328  pck = clk_get(&pdev->dev, "dsip_clk");
329  if (IS_ERR(pck)) {
330  ret = PTR_ERR(pck);
331  goto sh_mipi_set_dot_clock_pck_err;
332  }
333 
334  phy = clk_get(&pdev->dev, "dsiphy_clk");
335  if (IS_ERR(phy)) {
336  ret = PTR_ERR(phy);
337  goto sh_mipi_set_dot_clock_phy_err;
338  }
339 
340  if (enable) {
341  clk_set_rate(pck, clk_round_rate(pck, 24000000));
342  clk_set_rate(phy, clk_round_rate(pck, 510000000));
343  clk_enable(pck);
344  clk_enable(phy);
345  } else {
346  clk_disable(pck);
347  clk_disable(phy);
348  }
349 
350  ret = 0;
351 
352  clk_put(phy);
353 sh_mipi_set_dot_clock_phy_err:
354  clk_put(pck);
355 sh_mipi_set_dot_clock_pck_err:
356  return ret;
357 }
358 
359 static struct sh_mipi_dsi_info mipidsi0_info = {
360  .data_format = MIPI_RGB888,
361  .lcd_chan = &lcdc0_info.ch[0],
362  .lane = 2,
363  .vsynw_offset = 20,
364  .clksrc = 1,
365  .flags = SH_MIPI_DSI_HSABM |
368  .set_dot_clock = sh_mipi_set_dot_clock,
369 };
370 
371 static struct platform_device mipidsi0_device = {
372  .name = "sh-mipi-dsi",
373  .num_resources = ARRAY_SIZE(mipidsi0_resources),
374  .resource = mipidsi0_resources,
375  .id = 0,
376  .dev = {
377  .platform_data = &mipidsi0_info,
378  },
379 };
380 
381 /* Fixed 2.8V regulators to be used by SDHI0 */
382 static struct regulator_consumer_supply fixed2v8_power_consumers[] =
383 {
384  REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
385  REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
386 };
387 
388 /* SDHI0 */
389 static struct sh_mobile_sdhi_info sdhi0_info = {
390  .dma_slave_tx = SHDMA_SLAVE_SDHI0_TX,
391  .dma_slave_rx = SHDMA_SLAVE_SDHI0_RX,
393  .tmio_caps = MMC_CAP_SD_HIGHSPEED,
394  .tmio_ocr_mask = MMC_VDD_27_28 | MMC_VDD_28_29,
395  .cd_gpio = GPIO_PORT251,
396 };
397 
398 static struct resource sdhi0_resources[] = {
399  [0] = {
400  .name = "SDHI0",
401  .start = 0xee100000,
402  .end = 0xee1000ff,
403  .flags = IORESOURCE_MEM,
404  },
405  [1] = {
407  .start = gic_spi(83),
408  .flags = IORESOURCE_IRQ,
409  },
410  [2] = {
412  .start = gic_spi(84),
413  .flags = IORESOURCE_IRQ,
414  },
415  [3] = {
416  .name = SH_MOBILE_SDHI_IRQ_SDIO,
417  .start = gic_spi(85),
418  .flags = IORESOURCE_IRQ,
419  },
420 };
421 
422 static struct platform_device sdhi0_device = {
423  .name = "sh_mobile_sdhi",
424  .id = 0,
425  .num_resources = ARRAY_SIZE(sdhi0_resources),
426  .resource = sdhi0_resources,
427  .dev = {
428  .platform_data = &sdhi0_info,
429  },
430 };
431 
432 /* Fixed 3.3V regulator to be used by SDHI1 */
433 static struct regulator_consumer_supply cn4_power_consumers[] =
434 {
435  REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.1"),
436  REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.1"),
437 };
438 
439 static struct regulator_init_data cn4_power_init_data = {
440  .constraints = {
441  .valid_ops_mask = REGULATOR_CHANGE_STATUS,
442  },
443  .num_consumer_supplies = ARRAY_SIZE(cn4_power_consumers),
444  .consumer_supplies = cn4_power_consumers,
445 };
446 
447 static struct fixed_voltage_config cn4_power_info = {
448  .supply_name = "CN4 SD/MMC Vdd",
449  .microvolts = 3300000,
450  .gpio = GPIO_PORT114,
451  .enable_high = 1,
452  .init_data = &cn4_power_init_data,
453 };
454 
455 static struct platform_device cn4_power = {
456  .name = "reg-fixed-voltage",
457  .id = 2,
458  .dev = {
459  .platform_data = &cn4_power_info,
460  },
461 };
462 
463 static void ag5evm_sdhi1_set_pwr(struct platform_device *pdev, int state)
464 {
465  static int power_gpio = -EINVAL;
466 
467  if (power_gpio < 0) {
468  int ret = gpio_request(GPIO_PORT114, "sdhi1_power");
469  if (!ret) {
470  power_gpio = GPIO_PORT114;
471  gpio_direction_output(power_gpio, 0);
472  }
473  }
474 
475  /*
476  * If requesting the GPIO above failed, it means, that the regulator got
477  * probed and grabbed the GPIO, but we don't know, whether the sdhi
478  * driver already uses the regulator. If it doesn't, we have to toggle
479  * the GPIO ourselves, even though it is now owned by the fixed
480  * regulator driver. We have to live with the race in case the driver
481  * gets unloaded and the GPIO freed between these two steps.
482  */
484 }
485 
486 static struct sh_mobile_sdhi_info sh_sdhi1_info = {
488  .tmio_caps = MMC_CAP_NONREMOVABLE | MMC_CAP_SDIO_IRQ,
489  .tmio_ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
490  .set_pwr = ag5evm_sdhi1_set_pwr,
491 };
492 
493 static struct resource sdhi1_resources[] = {
494  [0] = {
495  .name = "SDHI1",
496  .start = 0xee120000,
497  .end = 0xee1200ff,
498  .flags = IORESOURCE_MEM,
499  },
500  [1] = {
502  .start = gic_spi(87),
503  .flags = IORESOURCE_IRQ,
504  },
505  [2] = {
507  .start = gic_spi(88),
508  .flags = IORESOURCE_IRQ,
509  },
510  [3] = {
511  .name = SH_MOBILE_SDHI_IRQ_SDIO,
512  .start = gic_spi(89),
513  .flags = IORESOURCE_IRQ,
514  },
515 };
516 
517 static struct platform_device sdhi1_device = {
518  .name = "sh_mobile_sdhi",
519  .id = 1,
520  .dev = {
521  .platform_data = &sh_sdhi1_info,
522  },
523  .num_resources = ARRAY_SIZE(sdhi1_resources),
524  .resource = sdhi1_resources,
525 };
526 
527 static struct platform_device *ag5evm_devices[] __initdata = {
528  &cn4_power,
529  &eth_device,
530  &keysc_device,
531  &fsi_device,
532  &mmc_device,
533  &irda_device,
534  &lcdc0_device,
535  &mipidsi0_device,
536  &sdhi0_device,
537  &sdhi1_device,
538 };
539 
540 static void __init ag5evm_init(void)
541 {
542  regulator_register_always_on(0, "fixed-1.8V", fixed1v8_power_consumers,
543  ARRAY_SIZE(fixed1v8_power_consumers), 1800000);
544  regulator_register_always_on(1, "fixed-2.8V", fixed2v8_power_consumers,
545  ARRAY_SIZE(fixed2v8_power_consumers), 3300000);
546  regulator_register_fixed(3, dummy_supplies, ARRAY_SIZE(dummy_supplies));
547 
549 
550  /* enable SCIFA2 */
555 
556  /* enable KEYSC */
575 
576  /* enable I2C channel 2 and 3 */
581 
582  /* enable MMCIF */
593  gpio_request(GPIO_PORT208, NULL); /* Reset */
595 
596  /* enable SMSC911X */
597  gpio_request(GPIO_PORT144, NULL); /* PINTA2 */
599  gpio_request(GPIO_PORT145, NULL); /* RESET */
601 
602  /* FSI A */
608 
609  /* IrDA */
613 
614  /* LCD panel */
615  gpio_request(GPIO_PORT217, NULL); /* RESET */
617  mdelay(1);
619  mdelay(100);
620 
621  /* LCD backlight controller */
622  gpio_request(GPIO_PORT235, NULL); /* RESET */
624  lcd_backlight_reset();
625 
626  /* enable SDHI0 on CN15 [SD I/F] */
634 
635  /* enable SDHI1 on CN4 [WLAN I/F] */
642 
643 #ifdef CONFIG_CACHE_L2X0
644  /* Shared attribute override enable, 64K*8way */
645  l2x0_init(IOMEM(0xf0100000), 0x00460000, 0xc2000fff);
646 #endif
648  platform_add_devices(ag5evm_devices, ARRAY_SIZE(ag5evm_devices));
649 }
650 
651 MACHINE_START(AG5EVM, "ag5evm")
652  .smp = smp_ops(sh73a0_smp_ops),
653  .map_io = sh73a0_map_io,
655  .nr_irqs = NR_IRQS_LEGACY,
656  .init_irq = sh73a0_init_irq,
657  .handle_irq = gic_handle_irq,
658  .init_machine = ag5evm_init,
659  .init_late = shmobile_init_late,
660  .timer = &shmobile_timer,