Merge tag 'renesas-pinctrl-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
[GitHub/exynos8895/android_kernel_samsung_universal8895.git] / arch / arm / mach-shmobile / board-armadillo800eva.c
1 /*
2 * armadillo 800 eva board support
3 *
4 * Copyright (C) 2012 Renesas Solutions Corp.
5 * Copyright (C) 2012 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
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/platform_data/st1232_pdata.h>
28 #include <linux/irq.h>
29 #include <linux/platform_device.h>
30 #include <linux/gpio.h>
31 #include <linux/gpio_keys.h>
32 #include <linux/pinctrl/machine.h>
33 #include <linux/regulator/fixed.h>
34 #include <linux/regulator/machine.h>
35 #include <linux/sh_eth.h>
36 #include <linux/videodev2.h>
37 #include <linux/usb/renesas_usbhs.h>
38 #include <linux/mfd/tmio.h>
39 #include <linux/mmc/host.h>
40 #include <linux/mmc/sh_mmcif.h>
41 #include <linux/mmc/sh_mobile_sdhi.h>
42 #include <linux/i2c-gpio.h>
43 #include <mach/common.h>
44 #include <mach/irqs.h>
45 #include <mach/r8a7740.h>
46 #include <media/mt9t112.h>
47 #include <media/sh_mobile_ceu.h>
48 #include <media/soc_camera.h>
49 #include <asm/page.h>
50 #include <asm/mach-types.h>
51 #include <asm/mach/arch.h>
52 #include <asm/mach/map.h>
53 #include <asm/mach/time.h>
54 #include <asm/hardware/cache-l2x0.h>
55 #include <video/sh_mobile_lcdc.h>
56 #include <video/sh_mobile_hdmi.h>
57 #include <sound/sh_fsi.h>
58 #include <sound/simple_card.h>
59
60 #include "sh-gpio.h"
61
62 /*
63 * CON1 Camera Module
64 * CON2 Extension Bus
65 * CON3 HDMI Output
66 * CON4 Composite Video Output
67 * CON5 H-UDI JTAG
68 * CON6 ARM JTAG
69 * CON7 SD1
70 * CON8 SD2
71 * CON9 RTC BackUp
72 * CON10 Monaural Mic Input
73 * CON11 Stereo Headphone Output
74 * CON12 Audio Line Output(L)
75 * CON13 Audio Line Output(R)
76 * CON14 AWL13 Module
77 * CON15 Extension
78 * CON16 LCD1
79 * CON17 LCD2
80 * CON19 Power Input
81 * CON20 USB1
82 * CON21 USB2
83 * CON22 Serial
84 * CON23 LAN
85 * CON24 USB3
86 * LED1 Camera LED(Yellow)
87 * LED2 Power LED (Green)
88 * ED3-LED6 User LED(Yellow)
89 * LED7 LAN link LED(Green)
90 * LED8 LAN activity LED(Yellow)
91 */
92
93 /*
94 * DipSwitch
95 *
96 * SW1
97 *
98 * -12345678-+---------------+----------------------------
99 * 1 | boot | hermit
100 * 0 | boot | OS auto boot
101 * -12345678-+---------------+----------------------------
102 * 00 | boot device | eMMC
103 * 10 | boot device | SDHI0 (CON7)
104 * 01 | boot device | -
105 * 11 | boot device | Extension Buss (CS0)
106 * -12345678-+---------------+----------------------------
107 * 0 | Extension Bus | D8-D15 disable, eMMC enable
108 * 1 | Extension Bus | D8-D15 enable, eMMC disable
109 * -12345678-+---------------+----------------------------
110 * 0 | SDHI1 | COM8 disable, COM14 enable
111 * 1 | SDHI1 | COM8 enable, COM14 disable
112 * -12345678-+---------------+----------------------------
113 * 0 | USB0 | COM20 enable, COM24 disable
114 * 1 | USB0 | COM20 disable, COM24 enable
115 * -12345678-+---------------+----------------------------
116 * 00 | JTAG | SH-X2
117 * 10 | JTAG | ARM
118 * 01 | JTAG | -
119 * 11 | JTAG | Boundary Scan
120 *-----------+---------------+----------------------------
121 */
122
123 /*
124 * FSI-WM8978
125 *
126 * this command is required when playback.
127 *
128 * # amixer set "Headphone" 50
129 *
130 * this command is required when capture.
131 *
132 * # amixer set "Input PGA" 15
133 * # amixer set "Left Input Mixer MicP" on
134 * # amixer set "Left Input Mixer MicN" on
135 * # amixer set "Right Input Mixer MicN" on
136 * # amixer set "Right Input Mixer MicP" on
137 */
138
139 /*
140 * USB function
141 *
142 * When you use USB Function,
143 * set SW1.6 ON, and connect cable to CN24.
144 *
145 * USBF needs workaround on R8A7740 chip.
146 * These are a little bit complex.
147 * see
148 * usbhsf_power_ctrl()
149 */
150 #define IRQ7 evt2irq(0x02e0)
151 #define USBCR1 IOMEM(0xe605810a)
152 #define USBH 0xC6700000
153 #define USBH_USBCTR 0x10834
154
155 struct usbhsf_private {
156 struct clk *phy;
157 struct clk *usb24;
158 struct clk *pci;
159 struct clk *func;
160 struct clk *host;
161 void __iomem *usbh_base;
162 struct renesas_usbhs_platform_info info;
163 };
164
165 #define usbhsf_get_priv(pdev) \
166 container_of(renesas_usbhs_get_info(pdev), \
167 struct usbhsf_private, info)
168
169 static int usbhsf_get_id(struct platform_device *pdev)
170 {
171 return USBHS_GADGET;
172 }
173
174 static int usbhsf_power_ctrl(struct platform_device *pdev,
175 void __iomem *base, int enable)
176 {
177 struct usbhsf_private *priv = usbhsf_get_priv(pdev);
178
179 /*
180 * Work around for USB Function.
181 * It needs USB host clock, and settings
182 */
183 if (enable) {
184 /*
185 * enable all the related usb clocks
186 * for usb workaround
187 */
188 clk_enable(priv->usb24);
189 clk_enable(priv->pci);
190 clk_enable(priv->host);
191 clk_enable(priv->func);
192 clk_enable(priv->phy);
193
194 /*
195 * set USBCR1
196 *
197 * Port1 is driven by USB function,
198 * Port2 is driven by USB HOST
199 * One HOST (Port1 or Port2 is HOST)
200 * USB PLL input clock = 24MHz
201 */
202 __raw_writew(0xd750, USBCR1);
203 mdelay(1);
204
205 /*
206 * start USB Host
207 */
208 __raw_writel(0x0000000c, priv->usbh_base + USBH_USBCTR);
209 __raw_writel(0x00000008, priv->usbh_base + USBH_USBCTR);
210 mdelay(10);
211
212 /*
213 * USB PHY Power ON
214 */
215 __raw_writew(0xd770, USBCR1);
216 __raw_writew(0x4000, base + 0x102); /* USBF :: SUSPMODE */
217
218 } else {
219 __raw_writel(0x0000010f, priv->usbh_base + USBH_USBCTR);
220 __raw_writew(0xd7c0, USBCR1); /* GPIO */
221
222 clk_disable(priv->phy);
223 clk_disable(priv->func); /* usb work around */
224 clk_disable(priv->host); /* usb work around */
225 clk_disable(priv->pci); /* usb work around */
226 clk_disable(priv->usb24); /* usb work around */
227 }
228
229 return 0;
230 }
231
232 static int usbhsf_get_vbus(struct platform_device *pdev)
233 {
234 return gpio_get_value(209);
235 }
236
237 static irqreturn_t usbhsf_interrupt(int irq, void *data)
238 {
239 struct platform_device *pdev = data;
240
241 renesas_usbhs_call_notify_hotplug(pdev);
242
243 return IRQ_HANDLED;
244 }
245
246 static int usbhsf_hardware_exit(struct platform_device *pdev)
247 {
248 struct usbhsf_private *priv = usbhsf_get_priv(pdev);
249
250 if (!IS_ERR(priv->phy))
251 clk_put(priv->phy);
252 if (!IS_ERR(priv->usb24))
253 clk_put(priv->usb24);
254 if (!IS_ERR(priv->pci))
255 clk_put(priv->pci);
256 if (!IS_ERR(priv->host))
257 clk_put(priv->host);
258 if (!IS_ERR(priv->func))
259 clk_put(priv->func);
260 if (priv->usbh_base)
261 iounmap(priv->usbh_base);
262
263 priv->phy = NULL;
264 priv->usb24 = NULL;
265 priv->pci = NULL;
266 priv->host = NULL;
267 priv->func = NULL;
268 priv->usbh_base = NULL;
269
270 free_irq(IRQ7, pdev);
271
272 return 0;
273 }
274
275 static int usbhsf_hardware_init(struct platform_device *pdev)
276 {
277 struct usbhsf_private *priv = usbhsf_get_priv(pdev);
278 int ret;
279
280 priv->phy = clk_get(&pdev->dev, "phy");
281 priv->usb24 = clk_get(&pdev->dev, "usb24");
282 priv->pci = clk_get(&pdev->dev, "pci");
283 priv->func = clk_get(&pdev->dev, "func");
284 priv->host = clk_get(&pdev->dev, "host");
285 priv->usbh_base = ioremap_nocache(USBH, 0x20000);
286
287 if (IS_ERR(priv->phy) ||
288 IS_ERR(priv->usb24) ||
289 IS_ERR(priv->pci) ||
290 IS_ERR(priv->host) ||
291 IS_ERR(priv->func) ||
292 !priv->usbh_base) {
293 dev_err(&pdev->dev, "USB clock setting failed\n");
294 usbhsf_hardware_exit(pdev);
295 return -EIO;
296 }
297
298 ret = request_irq(IRQ7, usbhsf_interrupt, IRQF_TRIGGER_NONE,
299 dev_name(&pdev->dev), pdev);
300 if (ret) {
301 dev_err(&pdev->dev, "request_irq err\n");
302 return ret;
303 }
304 irq_set_irq_type(IRQ7, IRQ_TYPE_EDGE_BOTH);
305
306 /* usb24 use 1/1 of parent clock (= usb24s = 24MHz) */
307 clk_set_rate(priv->usb24,
308 clk_get_rate(clk_get_parent(priv->usb24)));
309
310 return 0;
311 }
312
313 static struct usbhsf_private usbhsf_private = {
314 .info = {
315 .platform_callback = {
316 .get_id = usbhsf_get_id,
317 .get_vbus = usbhsf_get_vbus,
318 .hardware_init = usbhsf_hardware_init,
319 .hardware_exit = usbhsf_hardware_exit,
320 .power_ctrl = usbhsf_power_ctrl,
321 },
322 .driver_param = {
323 .buswait_bwait = 5,
324 .detection_delay = 5,
325 .d0_rx_id = SHDMA_SLAVE_USBHS_RX,
326 .d1_tx_id = SHDMA_SLAVE_USBHS_TX,
327 },
328 }
329 };
330
331 static struct resource usbhsf_resources[] = {
332 {
333 .name = "USBHS",
334 .start = 0xe6890000,
335 .end = 0xe6890104 - 1,
336 .flags = IORESOURCE_MEM,
337 },
338 {
339 .start = evt2irq(0x0A20),
340 .flags = IORESOURCE_IRQ,
341 },
342 };
343
344 static struct platform_device usbhsf_device = {
345 .name = "renesas_usbhs",
346 .dev = {
347 .platform_data = &usbhsf_private.info,
348 },
349 .id = -1,
350 .num_resources = ARRAY_SIZE(usbhsf_resources),
351 .resource = usbhsf_resources,
352 };
353
354 /* Ether */
355 static struct sh_eth_plat_data sh_eth_platdata = {
356 .phy = 0x00, /* LAN8710A */
357 .edmac_endian = EDMAC_LITTLE_ENDIAN,
358 .register_type = SH_ETH_REG_GIGABIT,
359 .phy_interface = PHY_INTERFACE_MODE_MII,
360 };
361
362 static struct resource sh_eth_resources[] = {
363 {
364 .start = 0xe9a00000,
365 .end = 0xe9a00800 - 1,
366 .flags = IORESOURCE_MEM,
367 }, {
368 .start = 0xe9a01800,
369 .end = 0xe9a02000 - 1,
370 .flags = IORESOURCE_MEM,
371 }, {
372 .start = evt2irq(0x0500),
373 .flags = IORESOURCE_IRQ,
374 },
375 };
376
377 static struct platform_device sh_eth_device = {
378 .name = "sh-eth",
379 .id = -1,
380 .dev = {
381 .platform_data = &sh_eth_platdata,
382 },
383 .resource = sh_eth_resources,
384 .num_resources = ARRAY_SIZE(sh_eth_resources),
385 };
386
387 /* LCDC */
388 static struct fb_videomode lcdc0_mode = {
389 .name = "AMPIER/AM-800480",
390 .xres = 800,
391 .yres = 480,
392 .left_margin = 88,
393 .right_margin = 40,
394 .hsync_len = 128,
395 .upper_margin = 20,
396 .lower_margin = 5,
397 .vsync_len = 5,
398 .sync = 0,
399 };
400
401 static struct sh_mobile_lcdc_info lcdc0_info = {
402 .clock_source = LCDC_CLK_BUS,
403 .ch[0] = {
404 .chan = LCDC_CHAN_MAINLCD,
405 .fourcc = V4L2_PIX_FMT_RGB565,
406 .interface_type = RGB24,
407 .clock_divider = 5,
408 .flags = 0,
409 .lcd_modes = &lcdc0_mode,
410 .num_modes = 1,
411 .panel_cfg = {
412 .width = 111,
413 .height = 68,
414 },
415 },
416 };
417
418 static struct resource lcdc0_resources[] = {
419 [0] = {
420 .name = "LCD0",
421 .start = 0xfe940000,
422 .end = 0xfe943fff,
423 .flags = IORESOURCE_MEM,
424 },
425 [1] = {
426 .start = intcs_evt2irq(0x580),
427 .flags = IORESOURCE_IRQ,
428 },
429 };
430
431 static struct platform_device lcdc0_device = {
432 .name = "sh_mobile_lcdc_fb",
433 .num_resources = ARRAY_SIZE(lcdc0_resources),
434 .resource = lcdc0_resources,
435 .id = 0,
436 .dev = {
437 .platform_data = &lcdc0_info,
438 .coherent_dma_mask = ~0,
439 },
440 };
441
442 /*
443 * LCDC1/HDMI
444 */
445 static struct sh_mobile_hdmi_info hdmi_info = {
446 .flags = HDMI_OUTPUT_PUSH_PULL |
447 HDMI_OUTPUT_POLARITY_HI |
448 HDMI_32BIT_REG |
449 HDMI_HAS_HTOP1 |
450 HDMI_SND_SRC_SPDIF,
451 };
452
453 static struct resource hdmi_resources[] = {
454 [0] = {
455 .name = "HDMI",
456 .start = 0xe6be0000,
457 .end = 0xe6be03ff,
458 .flags = IORESOURCE_MEM,
459 },
460 [1] = {
461 .start = evt2irq(0x1700),
462 .flags = IORESOURCE_IRQ,
463 },
464 [2] = {
465 .name = "HDMI emma3pf",
466 .start = 0xe6be4000,
467 .end = 0xe6be43ff,
468 .flags = IORESOURCE_MEM,
469 },
470 };
471
472 static struct platform_device hdmi_device = {
473 .name = "sh-mobile-hdmi",
474 .num_resources = ARRAY_SIZE(hdmi_resources),
475 .resource = hdmi_resources,
476 .id = -1,
477 .dev = {
478 .platform_data = &hdmi_info,
479 },
480 };
481
482 static const struct fb_videomode lcdc1_mode = {
483 .name = "HDMI 720p",
484 .xres = 1280,
485 .yres = 720,
486 .pixclock = 13468,
487 .left_margin = 220,
488 .right_margin = 110,
489 .hsync_len = 40,
490 .upper_margin = 20,
491 .lower_margin = 5,
492 .vsync_len = 5,
493 .refresh = 60,
494 .sync = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT,
495 };
496
497 static struct sh_mobile_lcdc_info hdmi_lcdc_info = {
498 .clock_source = LCDC_CLK_PERIPHERAL, /* HDMI clock */
499 .ch[0] = {
500 .chan = LCDC_CHAN_MAINLCD,
501 .fourcc = V4L2_PIX_FMT_RGB565,
502 .interface_type = RGB24,
503 .clock_divider = 1,
504 .flags = LCDC_FLAGS_DWPOL,
505 .lcd_modes = &lcdc1_mode,
506 .num_modes = 1,
507 .tx_dev = &hdmi_device,
508 .panel_cfg = {
509 .width = 1280,
510 .height = 720,
511 },
512 },
513 };
514
515 static struct resource hdmi_lcdc_resources[] = {
516 [0] = {
517 .name = "LCDC1",
518 .start = 0xfe944000,
519 .end = 0xfe948000 - 1,
520 .flags = IORESOURCE_MEM,
521 },
522 [1] = {
523 .start = intcs_evt2irq(0x1780),
524 .flags = IORESOURCE_IRQ,
525 },
526 };
527
528 static struct platform_device hdmi_lcdc_device = {
529 .name = "sh_mobile_lcdc_fb",
530 .num_resources = ARRAY_SIZE(hdmi_lcdc_resources),
531 .resource = hdmi_lcdc_resources,
532 .id = 1,
533 .dev = {
534 .platform_data = &hdmi_lcdc_info,
535 .coherent_dma_mask = ~0,
536 },
537 };
538
539 /* GPIO KEY */
540 #define GPIO_KEY(c, g, d, ...) \
541 { .code = c, .gpio = g, .desc = d, .active_low = 1, __VA_ARGS__ }
542
543 static struct gpio_keys_button gpio_buttons[] = {
544 GPIO_KEY(KEY_POWER, 99, "SW3", .wakeup = 1),
545 GPIO_KEY(KEY_BACK, 100, "SW4"),
546 GPIO_KEY(KEY_MENU, 97, "SW5"),
547 GPIO_KEY(KEY_HOME, 98, "SW6"),
548 };
549
550 static struct gpio_keys_platform_data gpio_key_info = {
551 .buttons = gpio_buttons,
552 .nbuttons = ARRAY_SIZE(gpio_buttons),
553 };
554
555 static struct platform_device gpio_keys_device = {
556 .name = "gpio-keys",
557 .id = -1,
558 .dev = {
559 .platform_data = &gpio_key_info,
560 },
561 };
562
563 /* Fixed 3.3V regulator to be used by SDHI0, SDHI1, MMCIF */
564 static struct regulator_consumer_supply fixed3v3_power_consumers[] =
565 {
566 REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
567 REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
568 REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.1"),
569 REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.1"),
570 REGULATOR_SUPPLY("vmmc", "sh_mmcif"),
571 REGULATOR_SUPPLY("vqmmc", "sh_mmcif"),
572 };
573
574 /* SDHI0 */
575 /*
576 * FIXME
577 *
578 * It use polling mode here, since
579 * CD (= Card Detect) pin is not connected to SDHI0_CD.
580 * We can use IRQ31 as card detect irq,
581 * but it needs chattering removal operation
582 */
583 #define IRQ31 evt2irq(0x33E0)
584 static struct sh_mobile_sdhi_info sdhi0_info = {
585 .dma_slave_tx = SHDMA_SLAVE_SDHI0_TX,
586 .dma_slave_rx = SHDMA_SLAVE_SDHI0_RX,
587 .tmio_caps = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ |\
588 MMC_CAP_NEEDS_POLL,
589 .tmio_ocr_mask = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34,
590 .tmio_flags = TMIO_MMC_HAS_IDLE_WAIT,
591 };
592
593 static struct resource sdhi0_resources[] = {
594 {
595 .name = "SDHI0",
596 .start = 0xe6850000,
597 .end = 0xe6850100 - 1,
598 .flags = IORESOURCE_MEM,
599 },
600 /*
601 * no SH_MOBILE_SDHI_IRQ_CARD_DETECT here
602 */
603 {
604 .name = SH_MOBILE_SDHI_IRQ_SDCARD,
605 .start = evt2irq(0x0E20),
606 .flags = IORESOURCE_IRQ,
607 },
608 {
609 .name = SH_MOBILE_SDHI_IRQ_SDIO,
610 .start = evt2irq(0x0E40),
611 .flags = IORESOURCE_IRQ,
612 },
613 };
614
615 static struct platform_device sdhi0_device = {
616 .name = "sh_mobile_sdhi",
617 .id = 0,
618 .dev = {
619 .platform_data = &sdhi0_info,
620 },
621 .num_resources = ARRAY_SIZE(sdhi0_resources),
622 .resource = sdhi0_resources,
623 };
624
625 /* SDHI1 */
626 static struct sh_mobile_sdhi_info sdhi1_info = {
627 .dma_slave_tx = SHDMA_SLAVE_SDHI1_TX,
628 .dma_slave_rx = SHDMA_SLAVE_SDHI1_RX,
629 .tmio_caps = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ,
630 .tmio_ocr_mask = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34,
631 .tmio_flags = TMIO_MMC_HAS_IDLE_WAIT,
632 };
633
634 static struct resource sdhi1_resources[] = {
635 [0] = {
636 .name = "SDHI1",
637 .start = 0xe6860000,
638 .end = 0xe6860100 - 1,
639 .flags = IORESOURCE_MEM,
640 },
641 [1] = {
642 .start = evt2irq(0x0E80),
643 .flags = IORESOURCE_IRQ,
644 },
645 [2] = {
646 .start = evt2irq(0x0EA0),
647 .flags = IORESOURCE_IRQ,
648 },
649 [3] = {
650 .start = evt2irq(0x0EC0),
651 .flags = IORESOURCE_IRQ,
652 },
653 };
654
655 static struct platform_device sdhi1_device = {
656 .name = "sh_mobile_sdhi",
657 .id = 1,
658 .dev = {
659 .platform_data = &sdhi1_info,
660 },
661 .num_resources = ARRAY_SIZE(sdhi1_resources),
662 .resource = sdhi1_resources,
663 };
664
665 static const struct pinctrl_map eva_sdhi1_pinctrl_map[] = {
666 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.1", "pfc-r8a7740",
667 "sdhi1_data4", "sdhi1"),
668 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.1", "pfc-r8a7740",
669 "sdhi1_ctrl", "sdhi1"),
670 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.1", "pfc-r8a7740",
671 "sdhi1_cd", "sdhi1"),
672 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.1", "pfc-r8a7740",
673 "sdhi1_wp", "sdhi1"),
674 };
675
676 /* MMCIF */
677 static struct sh_mmcif_plat_data sh_mmcif_plat = {
678 .sup_pclk = 0,
679 .ocr = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34,
680 .caps = MMC_CAP_4_BIT_DATA |
681 MMC_CAP_8_BIT_DATA |
682 MMC_CAP_NONREMOVABLE,
683 };
684
685 static struct resource sh_mmcif_resources[] = {
686 [0] = {
687 .name = "MMCIF",
688 .start = 0xe6bd0000,
689 .end = 0xe6bd0100 - 1,
690 .flags = IORESOURCE_MEM,
691 },
692 [1] = {
693 /* MMC ERR */
694 .start = evt2irq(0x1AC0),
695 .flags = IORESOURCE_IRQ,
696 },
697 [2] = {
698 /* MMC NOR */
699 .start = evt2irq(0x1AE0),
700 .flags = IORESOURCE_IRQ,
701 },
702 };
703
704 static struct platform_device sh_mmcif_device = {
705 .name = "sh_mmcif",
706 .id = -1,
707 .dev = {
708 .platform_data = &sh_mmcif_plat,
709 },
710 .num_resources = ARRAY_SIZE(sh_mmcif_resources),
711 .resource = sh_mmcif_resources,
712 };
713
714 /* Camera */
715 static int mt9t111_power(struct device *dev, int mode)
716 {
717 struct clk *mclk = clk_get(NULL, "video1");
718
719 if (IS_ERR(mclk)) {
720 dev_err(dev, "can't get video1 clock\n");
721 return -EINVAL;
722 }
723
724 if (mode) {
725 /* video1 (= CON1 camera) expect 24MHz */
726 clk_set_rate(mclk, clk_round_rate(mclk, 24000000));
727 clk_enable(mclk);
728 gpio_set_value(158, 1);
729 } else {
730 gpio_set_value(158, 0);
731 clk_disable(mclk);
732 }
733
734 clk_put(mclk);
735
736 return 0;
737 }
738
739 static struct i2c_board_info i2c_camera_mt9t111 = {
740 I2C_BOARD_INFO("mt9t112", 0x3d),
741 };
742
743 static struct mt9t112_camera_info mt9t111_info = {
744 .divider = { 16, 0, 0, 7, 0, 10, 14, 7, 7 },
745 };
746
747 static struct soc_camera_link mt9t111_link = {
748 .i2c_adapter_id = 0,
749 .bus_id = 0,
750 .board_info = &i2c_camera_mt9t111,
751 .power = mt9t111_power,
752 .priv = &mt9t111_info,
753 };
754
755 static struct platform_device camera_device = {
756 .name = "soc-camera-pdrv",
757 .id = 0,
758 .dev = {
759 .platform_data = &mt9t111_link,
760 },
761 };
762
763 /* CEU0 */
764 static struct sh_mobile_ceu_info sh_mobile_ceu0_info = {
765 .flags = SH_CEU_FLAG_LOWER_8BIT,
766 };
767
768 static struct resource ceu0_resources[] = {
769 [0] = {
770 .name = "CEU",
771 .start = 0xfe910000,
772 .end = 0xfe91009f,
773 .flags = IORESOURCE_MEM,
774 },
775 [1] = {
776 .start = intcs_evt2irq(0x0500),
777 .flags = IORESOURCE_IRQ,
778 },
779 [2] = {
780 /* place holder for contiguous memory */
781 },
782 };
783
784 static struct platform_device ceu0_device = {
785 .name = "sh_mobile_ceu",
786 .id = 0,
787 .num_resources = ARRAY_SIZE(ceu0_resources),
788 .resource = ceu0_resources,
789 .dev = {
790 .platform_data = &sh_mobile_ceu0_info,
791 .coherent_dma_mask = 0xffffffff,
792 },
793 };
794
795 /* FSI */
796 static struct sh_fsi_platform_info fsi_info = {
797 /* FSI-WM8978 */
798 .port_a = {
799 .tx_id = SHDMA_SLAVE_FSIA_TX,
800 },
801 /* FSI-HDMI */
802 .port_b = {
803 .flags = SH_FSI_FMT_SPDIF |
804 SH_FSI_ENABLE_STREAM_MODE |
805 SH_FSI_CLK_CPG,
806 .tx_id = SHDMA_SLAVE_FSIB_TX,
807 }
808 };
809
810 static struct resource fsi_resources[] = {
811 [0] = {
812 .name = "FSI",
813 .start = 0xfe1f0000,
814 .end = 0xfe1f8400 - 1,
815 .flags = IORESOURCE_MEM,
816 },
817 [1] = {
818 .start = evt2irq(0x1840),
819 .flags = IORESOURCE_IRQ,
820 },
821 };
822
823 static struct platform_device fsi_device = {
824 .name = "sh_fsi2",
825 .id = -1,
826 .num_resources = ARRAY_SIZE(fsi_resources),
827 .resource = fsi_resources,
828 .dev = {
829 .platform_data = &fsi_info,
830 },
831 };
832
833 /* FSI-WM8978 */
834 static struct asoc_simple_card_info fsi_wm8978_info = {
835 .name = "wm8978",
836 .card = "FSI2A-WM8978",
837 .codec = "wm8978.0-001a",
838 .platform = "sh_fsi2",
839 .daifmt = SND_SOC_DAIFMT_I2S,
840 .cpu_dai = {
841 .name = "fsia-dai",
842 .fmt = SND_SOC_DAIFMT_CBS_CFS | SND_SOC_DAIFMT_IB_NF,
843 },
844 .codec_dai = {
845 .name = "wm8978-hifi",
846 .fmt = SND_SOC_DAIFMT_CBM_CFM | SND_SOC_DAIFMT_NB_NF,
847 .sysclk = 12288000,
848 },
849 };
850
851 static struct platform_device fsi_wm8978_device = {
852 .name = "asoc-simple-card",
853 .id = 0,
854 .dev = {
855 .platform_data = &fsi_wm8978_info,
856 },
857 };
858
859 /* FSI-HDMI */
860 static struct asoc_simple_card_info fsi2_hdmi_info = {
861 .name = "HDMI",
862 .card = "FSI2B-HDMI",
863 .codec = "sh-mobile-hdmi",
864 .platform = "sh_fsi2",
865 .cpu_dai = {
866 .name = "fsib-dai",
867 .fmt = SND_SOC_DAIFMT_CBM_CFM,
868 },
869 .codec_dai = {
870 .name = "sh_mobile_hdmi-hifi",
871 },
872 };
873
874 static struct platform_device fsi_hdmi_device = {
875 .name = "asoc-simple-card",
876 .id = 1,
877 .dev = {
878 .platform_data = &fsi2_hdmi_info,
879 },
880 };
881
882 /* RTC: RTC connects i2c-gpio. */
883 static struct i2c_gpio_platform_data i2c_gpio_data = {
884 .sda_pin = 208,
885 .scl_pin = 91,
886 .udelay = 5, /* 100 kHz */
887 };
888
889 static struct platform_device i2c_gpio_device = {
890 .name = "i2c-gpio",
891 .id = 2,
892 .dev = {
893 .platform_data = &i2c_gpio_data,
894 },
895 };
896
897 /* I2C */
898 static struct st1232_pdata st1232_i2c0_pdata = {
899 .reset_gpio = 166,
900 };
901
902 static struct i2c_board_info i2c0_devices[] = {
903 {
904 I2C_BOARD_INFO("st1232-ts", 0x55),
905 .irq = evt2irq(0x0340),
906 .platform_data = &st1232_i2c0_pdata,
907 },
908 {
909 I2C_BOARD_INFO("wm8978", 0x1a),
910 },
911 };
912
913 static struct i2c_board_info i2c2_devices[] = {
914 {
915 I2C_BOARD_INFO("s35390a", 0x30),
916 .type = "s35390a",
917 },
918 };
919
920 /*
921 * board devices
922 */
923 static struct platform_device *eva_devices[] __initdata = {
924 &lcdc0_device,
925 &gpio_keys_device,
926 &sh_eth_device,
927 &sdhi0_device,
928 &sh_mmcif_device,
929 &hdmi_device,
930 &hdmi_lcdc_device,
931 &camera_device,
932 &ceu0_device,
933 &fsi_device,
934 &fsi_wm8978_device,
935 &fsi_hdmi_device,
936 &i2c_gpio_device,
937 };
938
939 static const struct pinctrl_map eva_pinctrl_map[] = {
940 /* LCD0 */
941 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_lcdc_fb.0", "pfc-r8a7740",
942 "lcd0_data24_0", "lcd0"),
943 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_lcdc_fb.0", "pfc-r8a7740",
944 "lcd0_lclk_1", "lcd0"),
945 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_lcdc_fb.0", "pfc-r8a7740",
946 "lcd0_sync", "lcd0"),
947 /* MMCIF */
948 PIN_MAP_MUX_GROUP_DEFAULT("sh_mmcif.0", "pfc-r8a7740",
949 "mmc0_data8_1", "mmc0"),
950 PIN_MAP_MUX_GROUP_DEFAULT("sh_mmcif.0", "pfc-r8a7740",
951 "mmc0_ctrl_1", "mmc0"),
952 /* SDHI0 */
953 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7740",
954 "sdhi0_data4", "sdhi0"),
955 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7740",
956 "sdhi0_ctrl", "sdhi0"),
957 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7740",
958 "sdhi0_wp", "sdhi0"),
959 };
960
961 static void __init eva_clock_init(void)
962 {
963 struct clk *system = clk_get(NULL, "system_clk");
964 struct clk *xtal1 = clk_get(NULL, "extal1");
965 struct clk *usb24s = clk_get(NULL, "usb24s");
966 struct clk *fsibck = clk_get(NULL, "fsibck");
967
968 if (IS_ERR(system) ||
969 IS_ERR(xtal1) ||
970 IS_ERR(usb24s) ||
971 IS_ERR(fsibck)) {
972 pr_err("armadillo800eva board clock init failed\n");
973 goto clock_error;
974 }
975
976 /* armadillo 800 eva extal1 is 24MHz */
977 clk_set_rate(xtal1, 24000000);
978
979 /* usb24s use extal1 (= system) clock (= 24MHz) */
980 clk_set_parent(usb24s, system);
981
982 /* FSIBCK is 12.288MHz, and it is parent of FSI-B */
983 clk_set_rate(fsibck, 12288000);
984
985 clock_error:
986 if (!IS_ERR(system))
987 clk_put(system);
988 if (!IS_ERR(xtal1))
989 clk_put(xtal1);
990 if (!IS_ERR(usb24s))
991 clk_put(usb24s);
992 if (!IS_ERR(fsibck))
993 clk_put(fsibck);
994 }
995
996 /*
997 * board init
998 */
999 #define GPIO_PORT7CR IOMEM(0xe6050007)
1000 #define GPIO_PORT8CR IOMEM(0xe6050008)
1001 static void __init eva_init(void)
1002 {
1003 struct platform_device *usb = NULL;
1004
1005 regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers,
1006 ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
1007
1008 pinctrl_register_mappings(eva_pinctrl_map, ARRAY_SIZE(eva_pinctrl_map));
1009
1010 r8a7740_pinmux_init();
1011 r8a7740_meram_workaround();
1012
1013 /* SCIFA1 */
1014 gpio_request(GPIO_FN_SCIFA1_RXD, NULL);
1015 gpio_request(GPIO_FN_SCIFA1_TXD, NULL);
1016
1017 /* LCDC0 */
1018 gpio_request(GPIO_FN_LCDC0_SELECT, NULL);
1019
1020 gpio_request_one(61, GPIOF_OUT_INIT_HIGH, NULL); /* LCDDON */
1021 gpio_request_one(202, GPIOF_OUT_INIT_LOW, NULL); /* LCD0_LED_CONT */
1022
1023 /* Touchscreen */
1024 gpio_request(GPIO_FN_IRQ10, NULL); /* TP_INT */
1025
1026 /* GETHER */
1027 gpio_request(GPIO_FN_ET_CRS, NULL);
1028 gpio_request(GPIO_FN_ET_MDC, NULL);
1029 gpio_request(GPIO_FN_ET_MDIO, NULL);
1030 gpio_request(GPIO_FN_ET_TX_ER, NULL);
1031 gpio_request(GPIO_FN_ET_RX_ER, NULL);
1032 gpio_request(GPIO_FN_ET_ERXD0, NULL);
1033 gpio_request(GPIO_FN_ET_ERXD1, NULL);
1034 gpio_request(GPIO_FN_ET_ERXD2, NULL);
1035 gpio_request(GPIO_FN_ET_ERXD3, NULL);
1036 gpio_request(GPIO_FN_ET_TX_CLK, NULL);
1037 gpio_request(GPIO_FN_ET_TX_EN, NULL);
1038 gpio_request(GPIO_FN_ET_ETXD0, NULL);
1039 gpio_request(GPIO_FN_ET_ETXD1, NULL);
1040 gpio_request(GPIO_FN_ET_ETXD2, NULL);
1041 gpio_request(GPIO_FN_ET_ETXD3, NULL);
1042 gpio_request(GPIO_FN_ET_PHY_INT, NULL);
1043 gpio_request(GPIO_FN_ET_COL, NULL);
1044 gpio_request(GPIO_FN_ET_RX_DV, NULL);
1045 gpio_request(GPIO_FN_ET_RX_CLK, NULL);
1046
1047 gpio_request_one(18, GPIOF_OUT_INIT_HIGH, NULL); /* PHY_RST */
1048
1049 /* USB */
1050 gpio_request_one(159, GPIOF_IN, NULL); /* USB_DEVICE_MODE */
1051
1052 if (gpio_get_value(159)) {
1053 /* USB Host */
1054 } else {
1055 /* USB Func */
1056 /*
1057 * A1 chip has 2 IRQ7 pin and it was controled by MSEL register.
1058 * OTOH, usbhs interrupt needs its value (HI/LOW) to decide
1059 * USB connection/disconnection (usbhsf_get_vbus()).
1060 * This means we needs to select GPIO_FN_IRQ7_PORT209 first,
1061 * and select GPIO 209 here
1062 */
1063 gpio_request(GPIO_FN_IRQ7_PORT209, NULL);
1064 gpio_request_one(209, GPIOF_IN, NULL);
1065
1066 platform_device_register(&usbhsf_device);
1067 usb = &usbhsf_device;
1068 }
1069
1070 /* SDHI0 */
1071 gpio_request_one(17, GPIOF_OUT_INIT_LOW, NULL); /* SDHI0_18/33_B */
1072 gpio_request_one(74, GPIOF_OUT_INIT_HIGH, NULL); /* SDHI0_PON */
1073 gpio_request_one(75, GPIOF_OUT_INIT_HIGH, NULL); /* SDSLOT1_PON */
1074
1075 /* we can use GPIO_FN_IRQ31_PORT167 here for SDHI0 CD irq */
1076
1077 /* CEU0 */
1078 gpio_request(GPIO_FN_VIO0_D7, NULL);
1079 gpio_request(GPIO_FN_VIO0_D6, NULL);
1080 gpio_request(GPIO_FN_VIO0_D5, NULL);
1081 gpio_request(GPIO_FN_VIO0_D4, NULL);
1082 gpio_request(GPIO_FN_VIO0_D3, NULL);
1083 gpio_request(GPIO_FN_VIO0_D2, NULL);
1084 gpio_request(GPIO_FN_VIO0_D1, NULL);
1085 gpio_request(GPIO_FN_VIO0_D0, NULL);
1086 gpio_request(GPIO_FN_VIO0_CLK, NULL);
1087 gpio_request(GPIO_FN_VIO0_HD, NULL);
1088 gpio_request(GPIO_FN_VIO0_VD, NULL);
1089 gpio_request(GPIO_FN_VIO0_FIELD, NULL);
1090 gpio_request(GPIO_FN_VIO_CKO, NULL);
1091
1092 /* CON1/CON15 Camera */
1093 gpio_request_one(173, GPIOF_OUT_INIT_LOW, NULL); /* STANDBY */
1094 gpio_request_one(172, GPIOF_OUT_INIT_HIGH, NULL); /* RST */
1095 /* see mt9t111_power() */
1096 gpio_request_one(158, GPIOF_OUT_INIT_LOW, NULL); /* CAM_PON */
1097
1098 /* FSI-WM8978 */
1099 gpio_request(GPIO_FN_FSIAIBT, NULL);
1100 gpio_request(GPIO_FN_FSIAILR, NULL);
1101 gpio_request(GPIO_FN_FSIAOMC, NULL);
1102 gpio_request(GPIO_FN_FSIAOSLD, NULL);
1103 gpio_request(GPIO_FN_FSIAISLD_PORT5, NULL);
1104
1105 gpio_request(7, NULL);
1106 gpio_request(8, NULL);
1107 gpio_direction_none(GPIO_PORT7CR); /* FSIAOBT needs no direction */
1108 gpio_direction_none(GPIO_PORT8CR); /* FSIAOLR needs no direction */
1109
1110 /* FSI-HDMI */
1111 gpio_request(GPIO_FN_FSIBCK, NULL);
1112
1113 /* HDMI */
1114 gpio_request(GPIO_FN_HDMI_HPD, NULL);
1115 gpio_request(GPIO_FN_HDMI_CEC, NULL);
1116
1117 /*
1118 * CAUTION
1119 *
1120 * DBGMD/LCDC0/FSIA MUX
1121 * DBGMD_SELECT_B should be set after setting PFC Function.
1122 */
1123 gpio_request_one(176, GPIOF_OUT_INIT_HIGH, NULL);
1124
1125 /*
1126 * We can switch CON8/CON14 by SW1.5,
1127 * but it needs after DBGMD_SELECT_B
1128 */
1129 gpio_request_one(6, GPIOF_IN, NULL);
1130 if (gpio_get_value(6)) {
1131 /* CON14 enable */
1132 } else {
1133 /* CON8 (SDHI1) enable */
1134 pinctrl_register_mappings(eva_sdhi1_pinctrl_map,
1135 ARRAY_SIZE(eva_sdhi1_pinctrl_map));
1136
1137 /* SDSLOT2_PON */
1138 gpio_request_one(16, GPIOF_OUT_INIT_HIGH, NULL);
1139
1140 platform_device_register(&sdhi1_device);
1141 }
1142
1143
1144 #ifdef CONFIG_CACHE_L2X0
1145 /* Early BRESP enable, Shared attribute override enable, 32K*8way */
1146 l2x0_init(IOMEM(0xf0002000), 0x40440000, 0x82000fff);
1147 #endif
1148
1149 i2c_register_board_info(0, i2c0_devices, ARRAY_SIZE(i2c0_devices));
1150 i2c_register_board_info(2, i2c2_devices, ARRAY_SIZE(i2c2_devices));
1151
1152 r8a7740_add_standard_devices();
1153
1154 platform_add_devices(eva_devices,
1155 ARRAY_SIZE(eva_devices));
1156
1157 rmobile_add_device_to_domain("A4LC", &lcdc0_device);
1158 rmobile_add_device_to_domain("A4LC", &hdmi_lcdc_device);
1159 if (usb)
1160 rmobile_add_device_to_domain("A3SP", usb);
1161
1162 r8a7740_pm_init();
1163 }
1164
1165 static void __init eva_earlytimer_init(void)
1166 {
1167 r8a7740_clock_init(MD_CK0 | MD_CK2);
1168 shmobile_earlytimer_init();
1169
1170 /* the rate of extal1 clock must be set before late_time_init */
1171 eva_clock_init();
1172 }
1173
1174 static void __init eva_add_early_devices(void)
1175 {
1176 r8a7740_add_early_devices();
1177 }
1178
1179 #define RESCNT2 IOMEM(0xe6188020)
1180 static void eva_restart(char mode, const char *cmd)
1181 {
1182 /* Do soft power on reset */
1183 writel((1 << 31), RESCNT2);
1184 }
1185
1186 static const char *eva_boards_compat_dt[] __initdata = {
1187 "renesas,armadillo800eva",
1188 NULL,
1189 };
1190
1191 DT_MACHINE_START(ARMADILLO800EVA_DT, "armadillo800eva")
1192 .map_io = r8a7740_map_io,
1193 .init_early = eva_add_early_devices,
1194 .init_irq = r8a7740_init_irq,
1195 .handle_irq = shmobile_handle_irq_intc,
1196 .init_machine = eva_init,
1197 .init_late = shmobile_init_late,
1198 .init_time = eva_earlytimer_init,
1199 .dt_compat = eva_boards_compat_dt,
1200 .restart = eva_restart,
1201 MACHINE_END