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board-armadillo800eva.c
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1 /*
2  * armadillo 800 eva board support
3  *
4  * Copyright (C) 2012 Renesas Solutions Corp.
5  * Copyright (C) 2012 Kuninori Morimoto <[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/clk.h>
23 #include <linux/delay.h>
24 #include <linux/err.h>
25 #include <linux/kernel.h>
26 #include <linux/input.h>
27 #include <linux/irq.h>
28 #include <linux/platform_device.h>
29 #include <linux/gpio.h>
30 #include <linux/gpio_keys.h>
31 #include <linux/regulator/fixed.h>
32 #include <linux/regulator/machine.h>
33 #include <linux/sh_eth.h>
34 #include <linux/videodev2.h>
35 #include <linux/usb/renesas_usbhs.h>
36 #include <linux/mfd/tmio.h>
37 #include <linux/mmc/host.h>
38 #include <linux/mmc/sh_mmcif.h>
39 #include <linux/mmc/sh_mobile_sdhi.h>
40 #include <linux/i2c-gpio.h>
41 #include <mach/common.h>
42 #include <mach/irqs.h>
43 #include <mach/r8a7740.h>
44 #include <media/mt9t112.h>
45 #include <media/sh_mobile_ceu.h>
46 #include <media/soc_camera.h>
47 #include <asm/page.h>
48 #include <asm/mach-types.h>
49 #include <asm/mach/arch.h>
50 #include <asm/mach/map.h>
51 #include <asm/mach/time.h>
52 #include <asm/hardware/cache-l2x0.h>
53 #include <video/sh_mobile_lcdc.h>
54 #include <video/sh_mobile_hdmi.h>
55 #include <sound/sh_fsi.h>
56 #include <sound/simple_card.h>
57 
58 #include "sh-gpio.h"
59 
60 /*
61  * CON1 Camera Module
62  * CON2 Extension Bus
63  * CON3 HDMI Output
64  * CON4 Composite Video Output
65  * CON5 H-UDI JTAG
66  * CON6 ARM JTAG
67  * CON7 SD1
68  * CON8 SD2
69  * CON9 RTC BackUp
70  * CON10 Monaural Mic Input
71  * CON11 Stereo Headphone Output
72  * CON12 Audio Line Output(L)
73  * CON13 Audio Line Output(R)
74  * CON14 AWL13 Module
75  * CON15 Extension
76  * CON16 LCD1
77  * CON17 LCD2
78  * CON19 Power Input
79  * CON20 USB1
80  * CON21 USB2
81  * CON22 Serial
82  * CON23 LAN
83  * CON24 USB3
84  * LED1 Camera LED(Yellow)
85  * LED2 Power LED (Green)
86  * ED3-LED6 User LED(Yellow)
87  * LED7 LAN link LED(Green)
88  * LED8 LAN activity LED(Yellow)
89  */
90 
91 /*
92  * DipSwitch
93  *
94  * SW1
95  *
96  * -12345678-+---------------+----------------------------
97  * 1 | boot | hermit
98  * 0 | boot | OS auto boot
99  * -12345678-+---------------+----------------------------
100  * 00 | boot device | eMMC
101  * 10 | boot device | SDHI0 (CON7)
102  * 01 | boot device | -
103  * 11 | boot device | Extension Buss (CS0)
104  * -12345678-+---------------+----------------------------
105  * 0 | Extension Bus | D8-D15 disable, eMMC enable
106  * 1 | Extension Bus | D8-D15 enable, eMMC disable
107  * -12345678-+---------------+----------------------------
108  * 0 | SDHI1 | COM8 disable, COM14 enable
109  * 1 | SDHI1 | COM8 enable, COM14 disable
110  * -12345678-+---------------+----------------------------
111  * 0 | USB0 | COM20 enable, COM24 disable
112  * 1 | USB0 | COM20 disable, COM24 enable
113  * -12345678-+---------------+----------------------------
114  * 00 | JTAG | SH-X2
115  * 10 | JTAG | ARM
116  * 01 | JTAG | -
117  * 11 | JTAG | Boundary Scan
118  *-----------+---------------+----------------------------
119  */
120 
121 /*
122  * FSI-WM8978
123  *
124  * this command is required when playback.
125  *
126  * # amixer set "Headphone" 50
127  */
128 
129 /*
130  * USB function
131  *
132  * When you use USB Function,
133  * set SW1.6 ON, and connect cable to CN24.
134  *
135  * USBF needs workaround on R8A7740 chip.
136  * These are a little bit complex.
137  * see
138  * usbhsf_power_ctrl()
139  */
140 #define IRQ7 evt2irq(0x02e0)
141 #define USBCR1 IOMEM(0xe605810a)
142 #define USBH 0xC6700000
143 #define USBH_USBCTR 0x10834
144 
145 struct usbhsf_private {
146  struct clk *phy;
147  struct clk *usb24;
148  struct clk *pci;
149  struct clk *func;
150  struct clk *host;
151  void __iomem *usbh_base;
152  struct renesas_usbhs_platform_info info;
153 };
154 
155 #define usbhsf_get_priv(pdev) \
156  container_of(renesas_usbhs_get_info(pdev), \
157  struct usbhsf_private, info)
158 
159 static int usbhsf_get_id(struct platform_device *pdev)
160 {
161  return USBHS_GADGET;
162 }
163 
164 static void usbhsf_power_ctrl(struct platform_device *pdev,
165  void __iomem *base, int enable)
166 {
167  struct usbhsf_private *priv = usbhsf_get_priv(pdev);
168 
169  /*
170  * Work around for USB Function.
171  * It needs USB host clock, and settings
172  */
173  if (enable) {
174  /*
175  * enable all the related usb clocks
176  * for usb workaround
177  */
178  clk_enable(priv->usb24);
179  clk_enable(priv->pci);
180  clk_enable(priv->host);
181  clk_enable(priv->func);
182  clk_enable(priv->phy);
183 
184  /*
185  * set USBCR1
186  *
187  * Port1 is driven by USB function,
188  * Port2 is driven by USB HOST
189  * One HOST (Port1 or Port2 is HOST)
190  * USB PLL input clock = 24MHz
191  */
192  __raw_writew(0xd750, USBCR1);
193  mdelay(1);
194 
195  /*
196  * start USB Host
197  */
198  __raw_writel(0x0000000c, priv->usbh_base + USBH_USBCTR);
199  __raw_writel(0x00000008, priv->usbh_base + USBH_USBCTR);
200  mdelay(10);
201 
202  /*
203  * USB PHY Power ON
204  */
205  __raw_writew(0xd770, USBCR1);
206  __raw_writew(0x4000, base + 0x102); /* USBF :: SUSPMODE */
207 
208  } else {
209  __raw_writel(0x0000010f, priv->usbh_base + USBH_USBCTR);
210  __raw_writew(0xd7c0, USBCR1); /* GPIO */
211 
212  clk_disable(priv->phy);
213  clk_disable(priv->func); /* usb work around */
214  clk_disable(priv->host); /* usb work around */
215  clk_disable(priv->pci); /* usb work around */
216  clk_disable(priv->usb24); /* usb work around */
217  }
218 }
219 
220 static int usbhsf_get_vbus(struct platform_device *pdev)
221 {
222  return gpio_get_value(GPIO_PORT209);
223 }
224 
225 static irqreturn_t usbhsf_interrupt(int irq, void *data)
226 {
227  struct platform_device *pdev = data;
228 
229  renesas_usbhs_call_notify_hotplug(pdev);
230 
231  return IRQ_HANDLED;
232 }
233 
234 static void usbhsf_hardware_exit(struct platform_device *pdev)
235 {
236  struct usbhsf_private *priv = usbhsf_get_priv(pdev);
237 
238  if (!IS_ERR(priv->phy))
239  clk_put(priv->phy);
240  if (!IS_ERR(priv->usb24))
241  clk_put(priv->usb24);
242  if (!IS_ERR(priv->pci))
243  clk_put(priv->pci);
244  if (!IS_ERR(priv->host))
245  clk_put(priv->host);
246  if (!IS_ERR(priv->func))
247  clk_put(priv->func);
248  if (priv->usbh_base)
249  iounmap(priv->usbh_base);
250 
251  priv->phy = NULL;
252  priv->usb24 = NULL;
253  priv->pci = NULL;
254  priv->host = NULL;
255  priv->func = NULL;
256  priv->usbh_base = NULL;
257 
258  free_irq(IRQ7, pdev);
259 }
260 
261 static int usbhsf_hardware_init(struct platform_device *pdev)
262 {
263  struct usbhsf_private *priv = usbhsf_get_priv(pdev);
264  int ret;
265 
266  priv->phy = clk_get(&pdev->dev, "phy");
267  priv->usb24 = clk_get(&pdev->dev, "usb24");
268  priv->pci = clk_get(&pdev->dev, "pci");
269  priv->func = clk_get(&pdev->dev, "func");
270  priv->host = clk_get(&pdev->dev, "host");
271  priv->usbh_base = ioremap_nocache(USBH, 0x20000);
272 
273  if (IS_ERR(priv->phy) ||
274  IS_ERR(priv->usb24) ||
275  IS_ERR(priv->pci) ||
276  IS_ERR(priv->host) ||
277  IS_ERR(priv->func) ||
278  !priv->usbh_base) {
279  dev_err(&pdev->dev, "USB clock setting failed\n");
280  usbhsf_hardware_exit(pdev);
281  return -EIO;
282  }
283 
284  ret = request_irq(IRQ7, usbhsf_interrupt, IRQF_TRIGGER_NONE,
285  dev_name(&pdev->dev), pdev);
286  if (ret) {
287  dev_err(&pdev->dev, "request_irq err\n");
288  return ret;
289  }
290  irq_set_irq_type(IRQ7, IRQ_TYPE_EDGE_BOTH);
291 
292  /* usb24 use 1/1 of parent clock (= usb24s = 24MHz) */
293  clk_set_rate(priv->usb24,
294  clk_get_rate(clk_get_parent(priv->usb24)));
295 
296  return 0;
297 }
298 
299 static struct usbhsf_private usbhsf_private = {
300  .info = {
301  .platform_callback = {
302  .get_id = usbhsf_get_id,
303  .get_vbus = usbhsf_get_vbus,
304  .hardware_init = usbhsf_hardware_init,
305  .hardware_exit = usbhsf_hardware_exit,
306  .power_ctrl = usbhsf_power_ctrl,
307  },
308  .driver_param = {
309  .buswait_bwait = 5,
310  .detection_delay = 5,
311  .d0_rx_id = SHDMA_SLAVE_USBHS_RX,
312  .d1_tx_id = SHDMA_SLAVE_USBHS_TX,
313  },
314  }
315 };
316 
317 static struct resource usbhsf_resources[] = {
318  {
319  .name = "USBHS",
320  .start = 0xe6890000,
321  .end = 0xe6890104 - 1,
322  .flags = IORESOURCE_MEM,
323  },
324  {
325  .start = evt2irq(0x0A20),
326  .flags = IORESOURCE_IRQ,
327  },
328 };
329 
330 static struct platform_device usbhsf_device = {
331  .name = "renesas_usbhs",
332  .dev = {
333  .platform_data = &usbhsf_private.info,
334  },
335  .id = -1,
336  .num_resources = ARRAY_SIZE(usbhsf_resources),
337  .resource = usbhsf_resources,
338 };
339 
340 /* Ether */
341 static struct sh_eth_plat_data sh_eth_platdata = {
342  .phy = 0x00, /* LAN8710A */
343  .edmac_endian = EDMAC_LITTLE_ENDIAN,
344  .register_type = SH_ETH_REG_GIGABIT,
345  .phy_interface = PHY_INTERFACE_MODE_MII,
346 };
347 
348 static struct resource sh_eth_resources[] = {
349  {
350  .start = 0xe9a00000,
351  .end = 0xe9a00800 - 1,
352  .flags = IORESOURCE_MEM,
353  }, {
354  .start = 0xe9a01800,
355  .end = 0xe9a02000 - 1,
356  .flags = IORESOURCE_MEM,
357  }, {
358  .start = evt2irq(0x0500),
359  .flags = IORESOURCE_IRQ,
360  },
361 };
362 
363 static struct platform_device sh_eth_device = {
364  .name = "sh-eth",
365  .id = -1,
366  .dev = {
367  .platform_data = &sh_eth_platdata,
368  },
369  .resource = sh_eth_resources,
370  .num_resources = ARRAY_SIZE(sh_eth_resources),
371 };
372 
373 /* LCDC */
374 static struct fb_videomode lcdc0_mode = {
375  .name = "AMPIER/AM-800480",
376  .xres = 800,
377  .yres = 480,
378  .left_margin = 88,
379  .right_margin = 40,
380  .hsync_len = 128,
381  .upper_margin = 20,
382  .lower_margin = 5,
383  .vsync_len = 5,
384  .sync = 0,
385 };
386 
387 static struct sh_mobile_lcdc_info lcdc0_info = {
388  .clock_source = LCDC_CLK_BUS,
389  .ch[0] = {
390  .chan = LCDC_CHAN_MAINLCD,
391  .fourcc = V4L2_PIX_FMT_RGB565,
392  .interface_type = RGB24,
393  .clock_divider = 5,
394  .flags = 0,
395  .lcd_modes = &lcdc0_mode,
396  .num_modes = 1,
397  .panel_cfg = {
398  .width = 111,
399  .height = 68,
400  },
401  },
402 };
403 
404 static struct resource lcdc0_resources[] = {
405  [0] = {
406  .name = "LCD0",
407  .start = 0xfe940000,
408  .end = 0xfe943fff,
409  .flags = IORESOURCE_MEM,
410  },
411  [1] = {
412  .start = intcs_evt2irq(0x580),
413  .flags = IORESOURCE_IRQ,
414  },
415 };
416 
417 static struct platform_device lcdc0_device = {
418  .name = "sh_mobile_lcdc_fb",
419  .num_resources = ARRAY_SIZE(lcdc0_resources),
420  .resource = lcdc0_resources,
421  .id = 0,
422  .dev = {
423  .platform_data = &lcdc0_info,
424  .coherent_dma_mask = ~0,
425  },
426 };
427 
428 /*
429  * LCDC1/HDMI
430  */
431 static struct sh_mobile_hdmi_info hdmi_info = {
432  .flags = HDMI_OUTPUT_PUSH_PULL |
433  HDMI_OUTPUT_POLARITY_HI |
434  HDMI_32BIT_REG |
435  HDMI_HAS_HTOP1 |
436  HDMI_SND_SRC_SPDIF,
437 };
438 
439 static struct resource hdmi_resources[] = {
440  [0] = {
441  .name = "HDMI",
442  .start = 0xe6be0000,
443  .end = 0xe6be03ff,
444  .flags = IORESOURCE_MEM,
445  },
446  [1] = {
447  .start = evt2irq(0x1700),
448  .flags = IORESOURCE_IRQ,
449  },
450  [2] = {
451  .name = "HDMI emma3pf",
452  .start = 0xe6be4000,
453  .end = 0xe6be43ff,
454  .flags = IORESOURCE_MEM,
455  },
456 };
457 
458 static struct platform_device hdmi_device = {
459  .name = "sh-mobile-hdmi",
460  .num_resources = ARRAY_SIZE(hdmi_resources),
461  .resource = hdmi_resources,
462  .id = -1,
463  .dev = {
464  .platform_data = &hdmi_info,
465  },
466 };
467 
468 static const struct fb_videomode lcdc1_mode = {
469  .name = "HDMI 720p",
470  .xres = 1280,
471  .yres = 720,
472  .pixclock = 13468,
473  .left_margin = 220,
474  .right_margin = 110,
475  .hsync_len = 40,
476  .upper_margin = 20,
477  .lower_margin = 5,
478  .vsync_len = 5,
479  .refresh = 60,
480  .sync = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT,
481 };
482 
483 static struct sh_mobile_lcdc_info hdmi_lcdc_info = {
484  .clock_source = LCDC_CLK_PERIPHERAL, /* HDMI clock */
485  .ch[0] = {
486  .chan = LCDC_CHAN_MAINLCD,
487  .fourcc = V4L2_PIX_FMT_RGB565,
488  .interface_type = RGB24,
489  .clock_divider = 1,
490  .flags = LCDC_FLAGS_DWPOL,
491  .lcd_modes = &lcdc1_mode,
492  .num_modes = 1,
493  .tx_dev = &hdmi_device,
494  .panel_cfg = {
495  .width = 1280,
496  .height = 720,
497  },
498  },
499 };
500 
501 static struct resource hdmi_lcdc_resources[] = {
502  [0] = {
503  .name = "LCDC1",
504  .start = 0xfe944000,
505  .end = 0xfe948000 - 1,
506  .flags = IORESOURCE_MEM,
507  },
508  [1] = {
509  .start = intcs_evt2irq(0x1780),
510  .flags = IORESOURCE_IRQ,
511  },
512 };
513 
514 static struct platform_device hdmi_lcdc_device = {
515  .name = "sh_mobile_lcdc_fb",
516  .num_resources = ARRAY_SIZE(hdmi_lcdc_resources),
517  .resource = hdmi_lcdc_resources,
518  .id = 1,
519  .dev = {
520  .platform_data = &hdmi_lcdc_info,
521  .coherent_dma_mask = ~0,
522  },
523 };
524 
525 /* GPIO KEY */
526 #define GPIO_KEY(c, g, d, ...) \
527  { .code = c, .gpio = g, .desc = d, .active_low = 1, __VA_ARGS__ }
528 
529 static struct gpio_keys_button gpio_buttons[] = {
530  GPIO_KEY(KEY_POWER, GPIO_PORT99, "SW3", .wakeup = 1),
531  GPIO_KEY(KEY_BACK, GPIO_PORT100, "SW4"),
532  GPIO_KEY(KEY_MENU, GPIO_PORT97, "SW5"),
533  GPIO_KEY(KEY_HOME, GPIO_PORT98, "SW6"),
534 };
535 
536 static struct gpio_keys_platform_data gpio_key_info = {
537  .buttons = gpio_buttons,
538  .nbuttons = ARRAY_SIZE(gpio_buttons),
539 };
540 
541 static struct platform_device gpio_keys_device = {
542  .name = "gpio-keys",
543  .id = -1,
544  .dev = {
545  .platform_data = &gpio_key_info,
546  },
547 };
548 
549 /* Fixed 3.3V regulator to be used by SDHI0, SDHI1, MMCIF */
550 static struct regulator_consumer_supply fixed3v3_power_consumers[] =
551 {
552  REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
553  REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
554  REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.1"),
555  REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.1"),
556  REGULATOR_SUPPLY("vmmc", "sh_mmcif"),
557  REGULATOR_SUPPLY("vqmmc", "sh_mmcif"),
558 };
559 
560 /* SDHI0 */
561 /*
562  * FIXME
563  *
564  * It use polling mode here, since
565  * CD (= Card Detect) pin is not connected to SDHI0_CD.
566  * We can use IRQ31 as card detect irq,
567  * but it needs chattering removal operation
568  */
569 #define IRQ31 evt2irq(0x33E0)
570 static struct sh_mobile_sdhi_info sdhi0_info = {
571  .dma_slave_tx = SHDMA_SLAVE_SDHI0_TX,
572  .dma_slave_rx = SHDMA_SLAVE_SDHI0_RX,
573  .tmio_caps = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ |\
574  MMC_CAP_NEEDS_POLL,
575  .tmio_ocr_mask = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34,
576  .tmio_flags = TMIO_MMC_HAS_IDLE_WAIT,
577 };
578 
579 static struct resource sdhi0_resources[] = {
580  {
581  .name = "SDHI0",
582  .start = 0xe6850000,
583  .end = 0xe6850100 - 1,
584  .flags = IORESOURCE_MEM,
585  },
586  /*
587  * no SH_MOBILE_SDHI_IRQ_CARD_DETECT here
588  */
589  {
590  .name = SH_MOBILE_SDHI_IRQ_SDCARD,
591  .start = evt2irq(0x0E20),
592  .flags = IORESOURCE_IRQ,
593  },
594  {
595  .name = SH_MOBILE_SDHI_IRQ_SDIO,
596  .start = evt2irq(0x0E40),
597  .flags = IORESOURCE_IRQ,
598  },
599 };
600 
601 static struct platform_device sdhi0_device = {
602  .name = "sh_mobile_sdhi",
603  .id = 0,
604  .dev = {
605  .platform_data = &sdhi0_info,
606  },
607  .num_resources = ARRAY_SIZE(sdhi0_resources),
608  .resource = sdhi0_resources,
609 };
610 
611 /* SDHI1 */
612 static struct sh_mobile_sdhi_info sdhi1_info = {
613  .dma_slave_tx = SHDMA_SLAVE_SDHI1_TX,
614  .dma_slave_rx = SHDMA_SLAVE_SDHI1_RX,
615  .tmio_caps = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ,
616  .tmio_ocr_mask = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34,
617  .tmio_flags = TMIO_MMC_HAS_IDLE_WAIT,
618 };
619 
620 static struct resource sdhi1_resources[] = {
621  [0] = {
622  .name = "SDHI1",
623  .start = 0xe6860000,
624  .end = 0xe6860100 - 1,
625  .flags = IORESOURCE_MEM,
626  },
627  [1] = {
628  .start = evt2irq(0x0E80),
629  .flags = IORESOURCE_IRQ,
630  },
631  [2] = {
632  .start = evt2irq(0x0EA0),
633  .flags = IORESOURCE_IRQ,
634  },
635  [3] = {
636  .start = evt2irq(0x0EC0),
637  .flags = IORESOURCE_IRQ,
638  },
639 };
640 
641 static struct platform_device sdhi1_device = {
642  .name = "sh_mobile_sdhi",
643  .id = 1,
644  .dev = {
645  .platform_data = &sdhi1_info,
646  },
647  .num_resources = ARRAY_SIZE(sdhi1_resources),
648  .resource = sdhi1_resources,
649 };
650 
651 /* MMCIF */
652 static struct sh_mmcif_plat_data sh_mmcif_plat = {
653  .sup_pclk = 0,
654  .ocr = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34,
655  .caps = MMC_CAP_4_BIT_DATA |
656  MMC_CAP_8_BIT_DATA |
657  MMC_CAP_NONREMOVABLE,
658 };
659 
660 static struct resource sh_mmcif_resources[] = {
661  [0] = {
662  .name = "MMCIF",
663  .start = 0xe6bd0000,
664  .end = 0xe6bd0100 - 1,
665  .flags = IORESOURCE_MEM,
666  },
667  [1] = {
668  /* MMC ERR */
669  .start = evt2irq(0x1AC0),
670  .flags = IORESOURCE_IRQ,
671  },
672  [2] = {
673  /* MMC NOR */
674  .start = evt2irq(0x1AE0),
675  .flags = IORESOURCE_IRQ,
676  },
677 };
678 
679 static struct platform_device sh_mmcif_device = {
680  .name = "sh_mmcif",
681  .id = -1,
682  .dev = {
683  .platform_data = &sh_mmcif_plat,
684  },
685  .num_resources = ARRAY_SIZE(sh_mmcif_resources),
686  .resource = sh_mmcif_resources,
687 };
688 
689 /* Camera */
690 static int mt9t111_power(struct device *dev, int mode)
691 {
692  struct clk *mclk = clk_get(NULL, "video1");
693 
694  if (IS_ERR(mclk)) {
695  dev_err(dev, "can't get video1 clock\n");
696  return -EINVAL;
697  }
698 
699  if (mode) {
700  /* video1 (= CON1 camera) expect 24MHz */
701  clk_set_rate(mclk, clk_round_rate(mclk, 24000000));
702  clk_enable(mclk);
703  gpio_direction_output(GPIO_PORT158, 1);
704  } else {
705  gpio_direction_output(GPIO_PORT158, 0);
706  clk_disable(mclk);
707  }
708 
709  clk_put(mclk);
710 
711  return 0;
712 }
713 
714 static struct i2c_board_info i2c_camera_mt9t111 = {
715  I2C_BOARD_INFO("mt9t112", 0x3d),
716 };
717 
718 static struct mt9t112_camera_info mt9t111_info = {
719  .divider = { 16, 0, 0, 7, 0, 10, 14, 7, 7 },
720 };
721 
722 static struct soc_camera_link mt9t111_link = {
723  .i2c_adapter_id = 0,
724  .bus_id = 0,
725  .board_info = &i2c_camera_mt9t111,
726  .power = mt9t111_power,
727  .priv = &mt9t111_info,
728 };
729 
730 static struct platform_device camera_device = {
731  .name = "soc-camera-pdrv",
732  .id = 0,
733  .dev = {
734  .platform_data = &mt9t111_link,
735  },
736 };
737 
738 /* CEU0 */
739 static struct sh_mobile_ceu_info sh_mobile_ceu0_info = {
740  .flags = SH_CEU_FLAG_LOWER_8BIT,
741 };
742 
743 static struct resource ceu0_resources[] = {
744  [0] = {
745  .name = "CEU",
746  .start = 0xfe910000,
747  .end = 0xfe91009f,
748  .flags = IORESOURCE_MEM,
749  },
750  [1] = {
751  .start = intcs_evt2irq(0x0500),
752  .flags = IORESOURCE_IRQ,
753  },
754  [2] = {
755  /* place holder for contiguous memory */
756  },
757 };
758 
759 static struct platform_device ceu0_device = {
760  .name = "sh_mobile_ceu",
761  .id = 0,
762  .num_resources = ARRAY_SIZE(ceu0_resources),
763  .resource = ceu0_resources,
764  .dev = {
765  .platform_data = &sh_mobile_ceu0_info,
766  .coherent_dma_mask = 0xffffffff,
767  },
768 };
769 
770 /* FSI */
771 static int fsi_hdmi_set_rate(struct device *dev, int rate, int enable)
772 {
773  struct clk *fsib;
774  int ret;
775 
776  /* it support 48KHz only */
777  if (48000 != rate)
778  return -EINVAL;
779 
780  fsib = clk_get(dev, "ickb");
781  if (IS_ERR(fsib))
782  return -EINVAL;
783 
784  if (enable) {
785  ret = SH_FSI_ACKMD_256 | SH_FSI_BPFMD_64;
786  clk_enable(fsib);
787  } else {
788  ret = 0;
789  clk_disable(fsib);
790  }
791 
792  clk_put(fsib);
793 
794  return ret;
795 }
796 
797 static struct sh_fsi_platform_info fsi_info = {
798  /* FSI-WM8978 */
799  .port_a = {
800  .tx_id = SHDMA_SLAVE_FSIA_TX,
801  },
802  /* FSI-HDMI */
803  .port_b = {
804  .flags = SH_FSI_FMT_SPDIF |
805  SH_FSI_ENABLE_STREAM_MODE,
806  .set_rate = fsi_hdmi_set_rate,
807  .tx_id = SHDMA_SLAVE_FSIB_TX,
808  }
809 };
810 
811 static struct resource fsi_resources[] = {
812  [0] = {
813  .name = "FSI",
814  .start = 0xfe1f0000,
815  .end = 0xfe1f8400 - 1,
816  .flags = IORESOURCE_MEM,
817  },
818  [1] = {
819  .start = evt2irq(0x1840),
820  .flags = IORESOURCE_IRQ,
821  },
822 };
823 
824 static struct platform_device fsi_device = {
825  .name = "sh_fsi2",
826  .id = -1,
827  .num_resources = ARRAY_SIZE(fsi_resources),
828  .resource = fsi_resources,
829  .dev = {
830  .platform_data = &fsi_info,
831  },
832 };
833 
834 /* FSI-WM8978 */
835 static struct asoc_simple_dai_init_info fsi_wm8978_init_info = {
836  .fmt = SND_SOC_DAIFMT_I2S,
837  .codec_daifmt = SND_SOC_DAIFMT_CBM_CFM | SND_SOC_DAIFMT_NB_NF,
838  .cpu_daifmt = SND_SOC_DAIFMT_CBS_CFS,
839  .sysclk = 12288000,
840 };
841 
842 static struct asoc_simple_card_info fsi_wm8978_info = {
843  .name = "wm8978",
844  .card = "FSI2A-WM8978",
845  .cpu_dai = "fsia-dai",
846  .codec = "wm8978.0-001a",
847  .platform = "sh_fsi2",
848  .codec_dai = "wm8978-hifi",
849  .init = &fsi_wm8978_init_info,
850 };
851 
852 static struct platform_device fsi_wm8978_device = {
853  .name = "asoc-simple-card",
854  .id = 0,
855  .dev = {
856  .platform_data = &fsi_wm8978_info,
857  },
858 };
859 
860 /* FSI-HDMI */
861 static struct asoc_simple_dai_init_info fsi2_hdmi_init_info = {
862  .cpu_daifmt = SND_SOC_DAIFMT_CBM_CFM,
863 };
864 
865 static struct asoc_simple_card_info fsi2_hdmi_info = {
866  .name = "HDMI",
867  .card = "FSI2B-HDMI",
868  .cpu_dai = "fsib-dai",
869  .codec = "sh-mobile-hdmi",
870  .platform = "sh_fsi2",
871  .codec_dai = "sh_mobile_hdmi-hifi",
872  .init = &fsi2_hdmi_init_info,
873 };
874 
875 static struct platform_device fsi_hdmi_device = {
876  .name = "asoc-simple-card",
877  .id = 1,
878  .dev = {
879  .platform_data = &fsi2_hdmi_info,
880  },
881 };
882 
883 /* RTC: RTC connects i2c-gpio. */
884 static struct i2c_gpio_platform_data i2c_gpio_data = {
885  .sda_pin = GPIO_PORT208,
886  .scl_pin = GPIO_PORT91,
887  .udelay = 5, /* 100 kHz */
888 };
889 
890 static struct platform_device i2c_gpio_device = {
891  .name = "i2c-gpio",
892  .id = 2,
893  .dev = {
894  .platform_data = &i2c_gpio_data,
895  },
896 };
897 
898 /* I2C */
899 static struct i2c_board_info i2c0_devices[] = {
900  {
901  I2C_BOARD_INFO("st1232-ts", 0x55),
902  .irq = evt2irq(0x0340),
903  },
904  {
905  I2C_BOARD_INFO("wm8978", 0x1a),
906  },
907 };
908 
909 static struct i2c_board_info i2c2_devices[] = {
910  {
911  I2C_BOARD_INFO("s35390a", 0x30),
912  .type = "s35390a",
913  },
914 };
915 
916 /*
917  * board devices
918  */
919 static struct platform_device *eva_devices[] __initdata = {
920  &lcdc0_device,
921  &gpio_keys_device,
922  &sh_eth_device,
923  &sdhi0_device,
924  &sh_mmcif_device,
925  &hdmi_device,
926  &hdmi_lcdc_device,
927  &camera_device,
928  &ceu0_device,
929  &fsi_device,
930  &fsi_wm8978_device,
931  &fsi_hdmi_device,
932  &i2c_gpio_device,
933 };
934 
935 static void __init eva_clock_init(void)
936 {
937  struct clk *system = clk_get(NULL, "system_clk");
938  struct clk *xtal1 = clk_get(NULL, "extal1");
939  struct clk *usb24s = clk_get(NULL, "usb24s");
940  struct clk *fsibck = clk_get(NULL, "fsibck");
941  struct clk *fsib = clk_get(&fsi_device.dev, "ickb");
942 
943  if (IS_ERR(system) ||
944  IS_ERR(xtal1) ||
945  IS_ERR(usb24s) ||
946  IS_ERR(fsibck) ||
947  IS_ERR(fsib)) {
948  pr_err("armadillo800eva board clock init failed\n");
949  goto clock_error;
950  }
951 
952  /* armadillo 800 eva extal1 is 24MHz */
953  clk_set_rate(xtal1, 24000000);
954 
955  /* usb24s use extal1 (= system) clock (= 24MHz) */
956  clk_set_parent(usb24s, system);
957 
958  /* FSIBCK is 12.288MHz, and it is parent of FSI-B */
959  clk_set_parent(fsib, fsibck);
960  clk_set_rate(fsibck, 12288000);
961  clk_set_rate(fsib, 12288000);
962 
963 clock_error:
964  if (!IS_ERR(system))
965  clk_put(system);
966  if (!IS_ERR(xtal1))
967  clk_put(xtal1);
968  if (!IS_ERR(usb24s))
969  clk_put(usb24s);
970  if (!IS_ERR(fsibck))
971  clk_put(fsibck);
972  if (!IS_ERR(fsib))
973  clk_put(fsib);
974 }
975 
976 /*
977  * board init
978  */
979 #define GPIO_PORT7CR IOMEM(0xe6050007)
980 #define GPIO_PORT8CR IOMEM(0xe6050008)
981 static void __init eva_init(void)
982 {
983  struct platform_device *usb = NULL;
984 
985  regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers,
986  ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
987 
988  r8a7740_pinmux_init();
989  r8a7740_meram_workaround();
990 
991  /* SCIFA1 */
992  gpio_request(GPIO_FN_SCIFA1_RXD, NULL);
993  gpio_request(GPIO_FN_SCIFA1_TXD, NULL);
994 
995  /* LCDC0 */
996  gpio_request(GPIO_FN_LCDC0_SELECT, NULL);
997  gpio_request(GPIO_FN_LCD0_D0, NULL);
998  gpio_request(GPIO_FN_LCD0_D1, NULL);
999  gpio_request(GPIO_FN_LCD0_D2, NULL);
1000  gpio_request(GPIO_FN_LCD0_D3, NULL);
1001  gpio_request(GPIO_FN_LCD0_D4, NULL);
1002  gpio_request(GPIO_FN_LCD0_D5, NULL);
1003  gpio_request(GPIO_FN_LCD0_D6, NULL);
1004  gpio_request(GPIO_FN_LCD0_D7, NULL);
1005  gpio_request(GPIO_FN_LCD0_D8, NULL);
1006  gpio_request(GPIO_FN_LCD0_D9, NULL);
1007  gpio_request(GPIO_FN_LCD0_D10, NULL);
1008  gpio_request(GPIO_FN_LCD0_D11, NULL);
1009  gpio_request(GPIO_FN_LCD0_D12, NULL);
1010  gpio_request(GPIO_FN_LCD0_D13, NULL);
1011  gpio_request(GPIO_FN_LCD0_D14, NULL);
1012  gpio_request(GPIO_FN_LCD0_D15, NULL);
1013  gpio_request(GPIO_FN_LCD0_D16, NULL);
1014  gpio_request(GPIO_FN_LCD0_D17, NULL);
1015  gpio_request(GPIO_FN_LCD0_D18_PORT40, NULL);
1016  gpio_request(GPIO_FN_LCD0_D19_PORT4, NULL);
1017  gpio_request(GPIO_FN_LCD0_D20_PORT3, NULL);
1018  gpio_request(GPIO_FN_LCD0_D21_PORT2, NULL);
1019  gpio_request(GPIO_FN_LCD0_D22_PORT0, NULL);
1020  gpio_request(GPIO_FN_LCD0_D23_PORT1, NULL);
1021  gpio_request(GPIO_FN_LCD0_DCK, NULL);
1022  gpio_request(GPIO_FN_LCD0_VSYN, NULL);
1023  gpio_request(GPIO_FN_LCD0_HSYN, NULL);
1024  gpio_request(GPIO_FN_LCD0_DISP, NULL);
1025  gpio_request(GPIO_FN_LCD0_LCLK_PORT165, NULL);
1026 
1027  gpio_request(GPIO_PORT61, NULL); /* LCDDON */
1028  gpio_direction_output(GPIO_PORT61, 1);
1029 
1030  gpio_request(GPIO_PORT202, NULL); /* LCD0_LED_CONT */
1031  gpio_direction_output(GPIO_PORT202, 0);
1032 
1033  /* Touchscreen */
1034  gpio_request(GPIO_FN_IRQ10, NULL); /* TP_INT */
1035  gpio_request(GPIO_PORT166, NULL); /* TP_RST_B */
1036  gpio_direction_output(GPIO_PORT166, 1);
1037 
1038  /* GETHER */
1039  gpio_request(GPIO_FN_ET_CRS, NULL);
1040  gpio_request(GPIO_FN_ET_MDC, NULL);
1041  gpio_request(GPIO_FN_ET_MDIO, NULL);
1042  gpio_request(GPIO_FN_ET_TX_ER, NULL);
1043  gpio_request(GPIO_FN_ET_RX_ER, NULL);
1044  gpio_request(GPIO_FN_ET_ERXD0, NULL);
1045  gpio_request(GPIO_FN_ET_ERXD1, NULL);
1046  gpio_request(GPIO_FN_ET_ERXD2, NULL);
1047  gpio_request(GPIO_FN_ET_ERXD3, NULL);
1048  gpio_request(GPIO_FN_ET_TX_CLK, NULL);
1049  gpio_request(GPIO_FN_ET_TX_EN, NULL);
1050  gpio_request(GPIO_FN_ET_ETXD0, NULL);
1051  gpio_request(GPIO_FN_ET_ETXD1, NULL);
1052  gpio_request(GPIO_FN_ET_ETXD2, NULL);
1053  gpio_request(GPIO_FN_ET_ETXD3, NULL);
1054  gpio_request(GPIO_FN_ET_PHY_INT, NULL);
1055  gpio_request(GPIO_FN_ET_COL, NULL);
1056  gpio_request(GPIO_FN_ET_RX_DV, NULL);
1057  gpio_request(GPIO_FN_ET_RX_CLK, NULL);
1058 
1059  gpio_request(GPIO_PORT18, NULL); /* PHY_RST */
1060  gpio_direction_output(GPIO_PORT18, 1);
1061 
1062  /* USB */
1063  gpio_request(GPIO_PORT159, NULL); /* USB_DEVICE_MODE */
1064  gpio_direction_input(GPIO_PORT159);
1065 
1066  if (gpio_get_value(GPIO_PORT159)) {
1067  /* USB Host */
1068  } else {
1069  /* USB Func */
1070  /*
1071  * A1 chip has 2 IRQ7 pin and it was controled by MSEL register.
1072  * OTOH, usbhs interrupt needs its value (HI/LOW) to decide
1073  * USB connection/disconnection (usbhsf_get_vbus()).
1074  * This means we needs to select GPIO_FN_IRQ7_PORT209 first,
1075  * and select GPIO_PORT209 here
1076  */
1077  gpio_request(GPIO_FN_IRQ7_PORT209, NULL);
1078  gpio_request(GPIO_PORT209, NULL);
1079  gpio_direction_input(GPIO_PORT209);
1080 
1081  platform_device_register(&usbhsf_device);
1082  usb = &usbhsf_device;
1083  }
1084 
1085  /* SDHI0 */
1086  gpio_request(GPIO_FN_SDHI0_CMD, NULL);
1087  gpio_request(GPIO_FN_SDHI0_CLK, NULL);
1088  gpio_request(GPIO_FN_SDHI0_D0, NULL);
1089  gpio_request(GPIO_FN_SDHI0_D1, NULL);
1090  gpio_request(GPIO_FN_SDHI0_D2, NULL);
1091  gpio_request(GPIO_FN_SDHI0_D3, NULL);
1092  gpio_request(GPIO_FN_SDHI0_WP, NULL);
1093 
1094  gpio_request(GPIO_PORT17, NULL); /* SDHI0_18/33_B */
1095  gpio_request(GPIO_PORT74, NULL); /* SDHI0_PON */
1096  gpio_request(GPIO_PORT75, NULL); /* SDSLOT1_PON */
1097  gpio_direction_output(GPIO_PORT17, 0);
1098  gpio_direction_output(GPIO_PORT74, 1);
1099  gpio_direction_output(GPIO_PORT75, 1);
1100 
1101  /* we can use GPIO_FN_IRQ31_PORT167 here for SDHI0 CD irq */
1102 
1103  /*
1104  * MMCIF
1105  *
1106  * Here doesn't care SW1.4 status,
1107  * since CON2 is not mounted.
1108  */
1109  gpio_request(GPIO_FN_MMC1_CLK_PORT103, NULL);
1110  gpio_request(GPIO_FN_MMC1_CMD_PORT104, NULL);
1111  gpio_request(GPIO_FN_MMC1_D0_PORT149, NULL);
1112  gpio_request(GPIO_FN_MMC1_D1_PORT148, NULL);
1113  gpio_request(GPIO_FN_MMC1_D2_PORT147, NULL);
1114  gpio_request(GPIO_FN_MMC1_D3_PORT146, NULL);
1115  gpio_request(GPIO_FN_MMC1_D4_PORT145, NULL);
1116  gpio_request(GPIO_FN_MMC1_D5_PORT144, NULL);
1117  gpio_request(GPIO_FN_MMC1_D6_PORT143, NULL);
1118  gpio_request(GPIO_FN_MMC1_D7_PORT142, NULL);
1119 
1120  /* CEU0 */
1121  gpio_request(GPIO_FN_VIO0_D7, NULL);
1122  gpio_request(GPIO_FN_VIO0_D6, NULL);
1123  gpio_request(GPIO_FN_VIO0_D5, NULL);
1124  gpio_request(GPIO_FN_VIO0_D4, NULL);
1125  gpio_request(GPIO_FN_VIO0_D3, NULL);
1126  gpio_request(GPIO_FN_VIO0_D2, NULL);
1127  gpio_request(GPIO_FN_VIO0_D1, NULL);
1128  gpio_request(GPIO_FN_VIO0_D0, NULL);
1129  gpio_request(GPIO_FN_VIO0_CLK, NULL);
1130  gpio_request(GPIO_FN_VIO0_HD, NULL);
1131  gpio_request(GPIO_FN_VIO0_VD, NULL);
1132  gpio_request(GPIO_FN_VIO0_FIELD, NULL);
1133  gpio_request(GPIO_FN_VIO_CKO, NULL);
1134 
1135  /* CON1/CON15 Camera */
1136  gpio_request(GPIO_PORT173, NULL); /* STANDBY */
1137  gpio_request(GPIO_PORT172, NULL); /* RST */
1138  gpio_request(GPIO_PORT158, NULL); /* CAM_PON */
1139  gpio_direction_output(GPIO_PORT173, 0);
1140  gpio_direction_output(GPIO_PORT172, 1);
1141  gpio_direction_output(GPIO_PORT158, 0); /* see mt9t111_power() */
1142 
1143  /* FSI-WM8978 */
1144  gpio_request(GPIO_FN_FSIAIBT, NULL);
1145  gpio_request(GPIO_FN_FSIAILR, NULL);
1146  gpio_request(GPIO_FN_FSIAOMC, NULL);
1147  gpio_request(GPIO_FN_FSIAOSLD, NULL);
1148  gpio_request(GPIO_FN_FSIAISLD_PORT5, NULL);
1149 
1150  gpio_request(GPIO_PORT7, NULL);
1151  gpio_request(GPIO_PORT8, NULL);
1152  gpio_direction_none(GPIO_PORT7CR); /* FSIAOBT needs no direction */
1153  gpio_direction_none(GPIO_PORT8CR); /* FSIAOLR needs no direction */
1154 
1155  /* FSI-HDMI */
1156  gpio_request(GPIO_FN_FSIBCK, NULL);
1157 
1158  /* HDMI */
1159  gpio_request(GPIO_FN_HDMI_HPD, NULL);
1160  gpio_request(GPIO_FN_HDMI_CEC, NULL);
1161 
1162  /*
1163  * CAUTION
1164  *
1165  * DBGMD/LCDC0/FSIA MUX
1166  * DBGMD_SELECT_B should be set after setting PFC Function.
1167  */
1168  gpio_request(GPIO_PORT176, NULL);
1169  gpio_direction_output(GPIO_PORT176, 1);
1170 
1171  /*
1172  * We can switch CON8/CON14 by SW1.5,
1173  * but it needs after DBGMD_SELECT_B
1174  */
1175  gpio_request(GPIO_PORT6, NULL);
1176  gpio_direction_input(GPIO_PORT6);
1177  if (gpio_get_value(GPIO_PORT6)) {
1178  /* CON14 enable */
1179  } else {
1180  /* CON8 (SDHI1) enable */
1181  gpio_request(GPIO_FN_SDHI1_CLK, NULL);
1182  gpio_request(GPIO_FN_SDHI1_CMD, NULL);
1183  gpio_request(GPIO_FN_SDHI1_D0, NULL);
1184  gpio_request(GPIO_FN_SDHI1_D1, NULL);
1185  gpio_request(GPIO_FN_SDHI1_D2, NULL);
1186  gpio_request(GPIO_FN_SDHI1_D3, NULL);
1187  gpio_request(GPIO_FN_SDHI1_CD, NULL);
1188  gpio_request(GPIO_FN_SDHI1_WP, NULL);
1189 
1190  gpio_request(GPIO_PORT16, NULL); /* SDSLOT2_PON */
1191  gpio_direction_output(GPIO_PORT16, 1);
1192 
1193  platform_device_register(&sdhi1_device);
1194  }
1195 
1196 
1197 #ifdef CONFIG_CACHE_L2X0
1198  /* Early BRESP enable, Shared attribute override enable, 32K*8way */
1199  l2x0_init(IOMEM(0xf0002000), 0x40440000, 0x82000fff);
1200 #endif
1201 
1202  i2c_register_board_info(0, i2c0_devices, ARRAY_SIZE(i2c0_devices));
1203  i2c_register_board_info(2, i2c2_devices, ARRAY_SIZE(i2c2_devices));
1204 
1205  r8a7740_add_standard_devices();
1206 
1207  platform_add_devices(eva_devices,
1208  ARRAY_SIZE(eva_devices));
1209 
1210  eva_clock_init();
1211 
1212  rmobile_add_device_to_domain("A4LC", &lcdc0_device);
1213  rmobile_add_device_to_domain("A4LC", &hdmi_lcdc_device);
1214  if (usb)
1215  rmobile_add_device_to_domain("A3SP", usb);
1216 }
1217 
1218 static void __init eva_earlytimer_init(void)
1219 {
1220  r8a7740_clock_init(MD_CK0 | MD_CK2);
1221  shmobile_earlytimer_init();
1222 }
1223 
1224 static void __init eva_add_early_devices(void)
1225 {
1226  r8a7740_add_early_devices();
1227 
1228  /* override timer setup with board-specific code */
1229  shmobile_timer.init = eva_earlytimer_init;
1230 }
1231 
1232 static const char *eva_boards_compat_dt[] __initdata = {
1233  "renesas,armadillo800eva",
1234  NULL,
1235 };
1236 
1237 DT_MACHINE_START(ARMADILLO800EVA_DT, "armadillo800eva")
1238  .map_io = r8a7740_map_io,
1239  .init_early = eva_add_early_devices,
1240  .init_irq = r8a7740_init_irq,
1241  .handle_irq = shmobile_handle_irq_intc,
1242  .init_machine = eva_init,
1243  .init_late = shmobile_init_late,
1244  .timer = &shmobile_timer,
1245  .dt_compat = eva_boards_compat_dt,
1246 MACHINE_END
Generated on Thu Jan 10 2013 13:01:50 for Linux Kernel by   doxygen 1.8.2