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Merge branch 'next/cleanup' into late/kirkwood
[deliverable/linux.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/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 <mach/common.h>
41 #include <mach/irqs.h>
42 #include <mach/r8a7740.h>
43 #include <media/mt9t112.h>
44 #include <media/sh_mobile_ceu.h>
45 #include <media/soc_camera.h>
46 #include <asm/page.h>
47 #include <asm/mach-types.h>
48 #include <asm/mach/arch.h>
49 #include <asm/mach/map.h>
50 #include <asm/mach/time.h>
51 #include <asm/hardware/cache-l2x0.h>
52 #include <video/sh_mobile_lcdc.h>
53 #include <video/sh_mobile_hdmi.h>
54 #include <sound/sh_fsi.h>
55 #include <sound/simple_card.h>
56
57 #include "sh-gpio.h"
58
59 /*
60 * CON1 Camera Module
61 * CON2 Extension Bus
62 * CON3 HDMI Output
63 * CON4 Composite Video Output
64 * CON5 H-UDI JTAG
65 * CON6 ARM JTAG
66 * CON7 SD1
67 * CON8 SD2
68 * CON9 RTC BackUp
69 * CON10 Monaural Mic Input
70 * CON11 Stereo Headphone Output
71 * CON12 Audio Line Output(L)
72 * CON13 Audio Line Output(R)
73 * CON14 AWL13 Module
74 * CON15 Extension
75 * CON16 LCD1
76 * CON17 LCD2
77 * CON19 Power Input
78 * CON20 USB1
79 * CON21 USB2
80 * CON22 Serial
81 * CON23 LAN
82 * CON24 USB3
83 * LED1 Camera LED(Yellow)
84 * LED2 Power LED (Green)
85 * ED3-LED6 User LED(Yellow)
86 * LED7 LAN link LED(Green)
87 * LED8 LAN activity LED(Yellow)
88 */
89
90 /*
91 * DipSwitch
92 *
93 * SW1
94 *
95 * -12345678-+---------------+----------------------------
96 * 1 | boot | hermit
97 * 0 | boot | OS auto boot
98 * -12345678-+---------------+----------------------------
99 * 00 | boot device | eMMC
100 * 10 | boot device | SDHI0 (CON7)
101 * 01 | boot device | -
102 * 11 | boot device | Extension Buss (CS0)
103 * -12345678-+---------------+----------------------------
104 * 0 | Extension Bus | D8-D15 disable, eMMC enable
105 * 1 | Extension Bus | D8-D15 enable, eMMC disable
106 * -12345678-+---------------+----------------------------
107 * 0 | SDHI1 | COM8 disable, COM14 enable
108 * 1 | SDHI1 | COM8 enable, COM14 disable
109 * -12345678-+---------------+----------------------------
110 * 0 | USB0 | COM20 enable, COM24 disable
111 * 1 | USB0 | COM20 disable, COM24 enable
112 * -12345678-+---------------+----------------------------
113 * 00 | JTAG | SH-X2
114 * 10 | JTAG | ARM
115 * 01 | JTAG | -
116 * 11 | JTAG | Boundary Scan
117 *-----------+---------------+----------------------------
118 */
119
120 /*
121 * FSI-WM8978
122 *
123 * this command is required when playback.
124 *
125 * # amixer set "Headphone" 50
126 */
127
128 /*
129 * USB function
130 *
131 * When you use USB Function,
132 * set SW1.6 ON, and connect cable to CN24.
133 *
134 * USBF needs workaround on R8A7740 chip.
135 * These are a little bit complex.
136 * see
137 * usbhsf_power_ctrl()
138 */
139 #define IRQ7 evt2irq(0x02e0)
140 #define USBCR1 IOMEM(0xe605810a)
141 #define USBH 0xC6700000
142 #define USBH_USBCTR 0x10834
143
144 struct usbhsf_private {
145 struct clk *phy;
146 struct clk *usb24;
147 struct clk *pci;
148 struct clk *func;
149 struct clk *host;
150 void __iomem *usbh_base;
151 struct renesas_usbhs_platform_info info;
152 };
153
154 #define usbhsf_get_priv(pdev) \
155 container_of(renesas_usbhs_get_info(pdev), \
156 struct usbhsf_private, info)
157
158 static int usbhsf_get_id(struct platform_device *pdev)
159 {
160 return USBHS_GADGET;
161 }
162
163 static void usbhsf_power_ctrl(struct platform_device *pdev,
164 void __iomem *base, int enable)
165 {
166 struct usbhsf_private *priv = usbhsf_get_priv(pdev);
167
168 /*
169 * Work around for USB Function.
170 * It needs USB host clock, and settings
171 */
172 if (enable) {
173 /*
174 * enable all the related usb clocks
175 * for usb workaround
176 */
177 clk_enable(priv->usb24);
178 clk_enable(priv->pci);
179 clk_enable(priv->host);
180 clk_enable(priv->func);
181 clk_enable(priv->phy);
182
183 /*
184 * set USBCR1
185 *
186 * Port1 is driven by USB function,
187 * Port2 is driven by USB HOST
188 * One HOST (Port1 or Port2 is HOST)
189 * USB PLL input clock = 24MHz
190 */
191 __raw_writew(0xd750, USBCR1);
192 mdelay(1);
193
194 /*
195 * start USB Host
196 */
197 __raw_writel(0x0000000c, priv->usbh_base + USBH_USBCTR);
198 __raw_writel(0x00000008, priv->usbh_base + USBH_USBCTR);
199 mdelay(10);
200
201 /*
202 * USB PHY Power ON
203 */
204 __raw_writew(0xd770, USBCR1);
205 __raw_writew(0x4000, base + 0x102); /* USBF :: SUSPMODE */
206
207 } else {
208 __raw_writel(0x0000010f, priv->usbh_base + USBH_USBCTR);
209 __raw_writew(0xd7c0, USBCR1); /* GPIO */
210
211 clk_disable(priv->phy);
212 clk_disable(priv->func); /* usb work around */
213 clk_disable(priv->host); /* usb work around */
214 clk_disable(priv->pci); /* usb work around */
215 clk_disable(priv->usb24); /* usb work around */
216 }
217 }
218
219 static int usbhsf_get_vbus(struct platform_device *pdev)
220 {
221 return gpio_get_value(GPIO_PORT209);
222 }
223
224 static irqreturn_t usbhsf_interrupt(int irq, void *data)
225 {
226 struct platform_device *pdev = data;
227
228 renesas_usbhs_call_notify_hotplug(pdev);
229
230 return IRQ_HANDLED;
231 }
232
233 static void usbhsf_hardware_exit(struct platform_device *pdev)
234 {
235 struct usbhsf_private *priv = usbhsf_get_priv(pdev);
236
237 if (!IS_ERR(priv->phy))
238 clk_put(priv->phy);
239 if (!IS_ERR(priv->usb24))
240 clk_put(priv->usb24);
241 if (!IS_ERR(priv->pci))
242 clk_put(priv->pci);
243 if (!IS_ERR(priv->host))
244 clk_put(priv->host);
245 if (!IS_ERR(priv->func))
246 clk_put(priv->func);
247 if (priv->usbh_base)
248 iounmap(priv->usbh_base);
249
250 priv->phy = NULL;
251 priv->usb24 = NULL;
252 priv->pci = NULL;
253 priv->host = NULL;
254 priv->func = NULL;
255 priv->usbh_base = NULL;
256
257 free_irq(IRQ7, pdev);
258 }
259
260 static int usbhsf_hardware_init(struct platform_device *pdev)
261 {
262 struct usbhsf_private *priv = usbhsf_get_priv(pdev);
263 int ret;
264
265 priv->phy = clk_get(&pdev->dev, "phy");
266 priv->usb24 = clk_get(&pdev->dev, "usb24");
267 priv->pci = clk_get(&pdev->dev, "pci");
268 priv->func = clk_get(&pdev->dev, "func");
269 priv->host = clk_get(&pdev->dev, "host");
270 priv->usbh_base = ioremap_nocache(USBH, 0x20000);
271
272 if (IS_ERR(priv->phy) ||
273 IS_ERR(priv->usb24) ||
274 IS_ERR(priv->pci) ||
275 IS_ERR(priv->host) ||
276 IS_ERR(priv->func) ||
277 !priv->usbh_base) {
278 dev_err(&pdev->dev, "USB clock setting failed\n");
279 usbhsf_hardware_exit(pdev);
280 return -EIO;
281 }
282
283 ret = request_irq(IRQ7, usbhsf_interrupt, IRQF_TRIGGER_NONE,
284 dev_name(&pdev->dev), pdev);
285 if (ret) {
286 dev_err(&pdev->dev, "request_irq err\n");
287 return ret;
288 }
289 irq_set_irq_type(IRQ7, IRQ_TYPE_EDGE_BOTH);
290
291 /* usb24 use 1/1 of parent clock (= usb24s = 24MHz) */
292 clk_set_rate(priv->usb24,
293 clk_get_rate(clk_get_parent(priv->usb24)));
294
295 return 0;
296 }
297
298 static struct usbhsf_private usbhsf_private = {
299 .info = {
300 .platform_callback = {
301 .get_id = usbhsf_get_id,
302 .get_vbus = usbhsf_get_vbus,
303 .hardware_init = usbhsf_hardware_init,
304 .hardware_exit = usbhsf_hardware_exit,
305 .power_ctrl = usbhsf_power_ctrl,
306 },
307 .driver_param = {
308 .buswait_bwait = 5,
309 .detection_delay = 5,
310 .d0_rx_id = SHDMA_SLAVE_USBHS_RX,
311 .d1_tx_id = SHDMA_SLAVE_USBHS_TX,
312 },
313 }
314 };
315
316 static struct resource usbhsf_resources[] = {
317 {
318 .name = "USBHS",
319 .start = 0xe6890000,
320 .end = 0xe6890104 - 1,
321 .flags = IORESOURCE_MEM,
322 },
323 {
324 .start = evt2irq(0x0A20),
325 .flags = IORESOURCE_IRQ,
326 },
327 };
328
329 static struct platform_device usbhsf_device = {
330 .name = "renesas_usbhs",
331 .dev = {
332 .platform_data = &usbhsf_private.info,
333 },
334 .id = -1,
335 .num_resources = ARRAY_SIZE(usbhsf_resources),
336 .resource = usbhsf_resources,
337 };
338
339 /* Ether */
340 static struct sh_eth_plat_data sh_eth_platdata = {
341 .phy = 0x00, /* LAN8710A */
342 .edmac_endian = EDMAC_LITTLE_ENDIAN,
343 .register_type = SH_ETH_REG_GIGABIT,
344 .phy_interface = PHY_INTERFACE_MODE_MII,
345 };
346
347 static struct resource sh_eth_resources[] = {
348 {
349 .start = 0xe9a00000,
350 .end = 0xe9a00800 - 1,
351 .flags = IORESOURCE_MEM,
352 }, {
353 .start = 0xe9a01800,
354 .end = 0xe9a02000 - 1,
355 .flags = IORESOURCE_MEM,
356 }, {
357 .start = evt2irq(0x0500),
358 .flags = IORESOURCE_IRQ,
359 },
360 };
361
362 static struct platform_device sh_eth_device = {
363 .name = "sh-eth",
364 .id = -1,
365 .dev = {
366 .platform_data = &sh_eth_platdata,
367 },
368 .resource = sh_eth_resources,
369 .num_resources = ARRAY_SIZE(sh_eth_resources),
370 };
371
372 /* LCDC */
373 static struct fb_videomode lcdc0_mode = {
374 .name = "AMPIER/AM-800480",
375 .xres = 800,
376 .yres = 480,
377 .left_margin = 88,
378 .right_margin = 40,
379 .hsync_len = 128,
380 .upper_margin = 20,
381 .lower_margin = 5,
382 .vsync_len = 5,
383 .sync = 0,
384 };
385
386 static struct sh_mobile_lcdc_info lcdc0_info = {
387 .clock_source = LCDC_CLK_BUS,
388 .ch[0] = {
389 .chan = LCDC_CHAN_MAINLCD,
390 .fourcc = V4L2_PIX_FMT_RGB565,
391 .interface_type = RGB24,
392 .clock_divider = 5,
393 .flags = 0,
394 .lcd_modes = &lcdc0_mode,
395 .num_modes = 1,
396 .panel_cfg = {
397 .width = 111,
398 .height = 68,
399 },
400 },
401 };
402
403 static struct resource lcdc0_resources[] = {
404 [0] = {
405 .name = "LCD0",
406 .start = 0xfe940000,
407 .end = 0xfe943fff,
408 .flags = IORESOURCE_MEM,
409 },
410 [1] = {
411 .start = intcs_evt2irq(0x580),
412 .flags = IORESOURCE_IRQ,
413 },
414 };
415
416 static struct platform_device lcdc0_device = {
417 .name = "sh_mobile_lcdc_fb",
418 .num_resources = ARRAY_SIZE(lcdc0_resources),
419 .resource = lcdc0_resources,
420 .id = 0,
421 .dev = {
422 .platform_data = &lcdc0_info,
423 .coherent_dma_mask = ~0,
424 },
425 };
426
427 /*
428 * LCDC1/HDMI
429 */
430 static struct sh_mobile_hdmi_info hdmi_info = {
431 .flags = HDMI_OUTPUT_PUSH_PULL |
432 HDMI_OUTPUT_POLARITY_HI |
433 HDMI_32BIT_REG |
434 HDMI_HAS_HTOP1 |
435 HDMI_SND_SRC_SPDIF,
436 };
437
438 static struct resource hdmi_resources[] = {
439 [0] = {
440 .name = "HDMI",
441 .start = 0xe6be0000,
442 .end = 0xe6be03ff,
443 .flags = IORESOURCE_MEM,
444 },
445 [1] = {
446 .start = evt2irq(0x1700),
447 .flags = IORESOURCE_IRQ,
448 },
449 [2] = {
450 .name = "HDMI emma3pf",
451 .start = 0xe6be4000,
452 .end = 0xe6be43ff,
453 .flags = IORESOURCE_MEM,
454 },
455 };
456
457 static struct platform_device hdmi_device = {
458 .name = "sh-mobile-hdmi",
459 .num_resources = ARRAY_SIZE(hdmi_resources),
460 .resource = hdmi_resources,
461 .id = -1,
462 .dev = {
463 .platform_data = &hdmi_info,
464 },
465 };
466
467 static const struct fb_videomode lcdc1_mode = {
468 .name = "HDMI 720p",
469 .xres = 1280,
470 .yres = 720,
471 .pixclock = 13468,
472 .left_margin = 220,
473 .right_margin = 110,
474 .hsync_len = 40,
475 .upper_margin = 20,
476 .lower_margin = 5,
477 .vsync_len = 5,
478 .refresh = 60,
479 .sync = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT,
480 };
481
482 static struct sh_mobile_lcdc_info hdmi_lcdc_info = {
483 .clock_source = LCDC_CLK_PERIPHERAL, /* HDMI clock */
484 .ch[0] = {
485 .chan = LCDC_CHAN_MAINLCD,
486 .fourcc = V4L2_PIX_FMT_RGB565,
487 .interface_type = RGB24,
488 .clock_divider = 1,
489 .flags = LCDC_FLAGS_DWPOL,
490 .lcd_modes = &lcdc1_mode,
491 .num_modes = 1,
492 .tx_dev = &hdmi_device,
493 .panel_cfg = {
494 .width = 1280,
495 .height = 720,
496 },
497 },
498 };
499
500 static struct resource hdmi_lcdc_resources[] = {
501 [0] = {
502 .name = "LCDC1",
503 .start = 0xfe944000,
504 .end = 0xfe948000 - 1,
505 .flags = IORESOURCE_MEM,
506 },
507 [1] = {
508 .start = intcs_evt2irq(0x1780),
509 .flags = IORESOURCE_IRQ,
510 },
511 };
512
513 static struct platform_device hdmi_lcdc_device = {
514 .name = "sh_mobile_lcdc_fb",
515 .num_resources = ARRAY_SIZE(hdmi_lcdc_resources),
516 .resource = hdmi_lcdc_resources,
517 .id = 1,
518 .dev = {
519 .platform_data = &hdmi_lcdc_info,
520 .coherent_dma_mask = ~0,
521 },
522 };
523
524 /* GPIO KEY */
525 #define GPIO_KEY(c, g, d, ...) \
526 { .code = c, .gpio = g, .desc = d, .active_low = 1, __VA_ARGS__ }
527
528 static struct gpio_keys_button gpio_buttons[] = {
529 GPIO_KEY(KEY_POWER, GPIO_PORT99, "SW3", .wakeup = 1),
530 GPIO_KEY(KEY_BACK, GPIO_PORT100, "SW4"),
531 GPIO_KEY(KEY_MENU, GPIO_PORT97, "SW5"),
532 GPIO_KEY(KEY_HOME, GPIO_PORT98, "SW6"),
533 };
534
535 static struct gpio_keys_platform_data gpio_key_info = {
536 .buttons = gpio_buttons,
537 .nbuttons = ARRAY_SIZE(gpio_buttons),
538 };
539
540 static struct platform_device gpio_keys_device = {
541 .name = "gpio-keys",
542 .id = -1,
543 .dev = {
544 .platform_data = &gpio_key_info,
545 },
546 };
547
548 /* Fixed 3.3V regulator to be used by SDHI0, SDHI1, MMCIF */
549 static struct regulator_consumer_supply fixed3v3_power_consumers[] =
550 {
551 REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
552 REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
553 REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.1"),
554 REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.1"),
555 REGULATOR_SUPPLY("vmmc", "sh_mmcif"),
556 REGULATOR_SUPPLY("vqmmc", "sh_mmcif"),
557 };
558
559 /* SDHI0 */
560 /*
561 * FIXME
562 *
563 * It use polling mode here, since
564 * CD (= Card Detect) pin is not connected to SDHI0_CD.
565 * We can use IRQ31 as card detect irq,
566 * but it needs chattering removal operation
567 */
568 #define IRQ31 evt2irq(0x33E0)
569 static struct sh_mobile_sdhi_info sdhi0_info = {
570 .dma_slave_tx = SHDMA_SLAVE_SDHI0_TX,
571 .dma_slave_rx = SHDMA_SLAVE_SDHI0_RX,
572 .tmio_caps = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ |\
573 MMC_CAP_NEEDS_POLL,
574 .tmio_ocr_mask = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34,
575 .tmio_flags = TMIO_MMC_HAS_IDLE_WAIT,
576 };
577
578 static struct resource sdhi0_resources[] = {
579 {
580 .name = "SDHI0",
581 .start = 0xe6850000,
582 .end = 0xe6850100 - 1,
583 .flags = IORESOURCE_MEM,
584 },
585 /*
586 * no SH_MOBILE_SDHI_IRQ_CARD_DETECT here
587 */
588 {
589 .name = SH_MOBILE_SDHI_IRQ_SDCARD,
590 .start = evt2irq(0x0E20),
591 .flags = IORESOURCE_IRQ,
592 },
593 {
594 .name = SH_MOBILE_SDHI_IRQ_SDIO,
595 .start = evt2irq(0x0E40),
596 .flags = IORESOURCE_IRQ,
597 },
598 };
599
600 static struct platform_device sdhi0_device = {
601 .name = "sh_mobile_sdhi",
602 .id = 0,
603 .dev = {
604 .platform_data = &sdhi0_info,
605 },
606 .num_resources = ARRAY_SIZE(sdhi0_resources),
607 .resource = sdhi0_resources,
608 };
609
610 /* SDHI1 */
611 static struct sh_mobile_sdhi_info sdhi1_info = {
612 .dma_slave_tx = SHDMA_SLAVE_SDHI1_TX,
613 .dma_slave_rx = SHDMA_SLAVE_SDHI1_RX,
614 .tmio_caps = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ,
615 .tmio_ocr_mask = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34,
616 .tmio_flags = TMIO_MMC_HAS_IDLE_WAIT,
617 };
618
619 static struct resource sdhi1_resources[] = {
620 [0] = {
621 .name = "SDHI1",
622 .start = 0xe6860000,
623 .end = 0xe6860100 - 1,
624 .flags = IORESOURCE_MEM,
625 },
626 [1] = {
627 .start = evt2irq(0x0E80),
628 .flags = IORESOURCE_IRQ,
629 },
630 [2] = {
631 .start = evt2irq(0x0EA0),
632 .flags = IORESOURCE_IRQ,
633 },
634 [3] = {
635 .start = evt2irq(0x0EC0),
636 .flags = IORESOURCE_IRQ,
637 },
638 };
639
640 static struct platform_device sdhi1_device = {
641 .name = "sh_mobile_sdhi",
642 .id = 1,
643 .dev = {
644 .platform_data = &sdhi1_info,
645 },
646 .num_resources = ARRAY_SIZE(sdhi1_resources),
647 .resource = sdhi1_resources,
648 };
649
650 /* MMCIF */
651 static struct sh_mmcif_plat_data sh_mmcif_plat = {
652 .sup_pclk = 0,
653 .ocr = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34,
654 .caps = MMC_CAP_4_BIT_DATA |
655 MMC_CAP_8_BIT_DATA |
656 MMC_CAP_NONREMOVABLE,
657 };
658
659 static struct resource sh_mmcif_resources[] = {
660 [0] = {
661 .name = "MMCIF",
662 .start = 0xe6bd0000,
663 .end = 0xe6bd0100 - 1,
664 .flags = IORESOURCE_MEM,
665 },
666 [1] = {
667 /* MMC ERR */
668 .start = evt2irq(0x1AC0),
669 .flags = IORESOURCE_IRQ,
670 },
671 [2] = {
672 /* MMC NOR */
673 .start = evt2irq(0x1AE0),
674 .flags = IORESOURCE_IRQ,
675 },
676 };
677
678 static struct platform_device sh_mmcif_device = {
679 .name = "sh_mmcif",
680 .id = -1,
681 .dev = {
682 .platform_data = &sh_mmcif_plat,
683 },
684 .num_resources = ARRAY_SIZE(sh_mmcif_resources),
685 .resource = sh_mmcif_resources,
686 };
687
688 /* Camera */
689 static int mt9t111_power(struct device *dev, int mode)
690 {
691 struct clk *mclk = clk_get(NULL, "video1");
692
693 if (IS_ERR(mclk)) {
694 dev_err(dev, "can't get video1 clock\n");
695 return -EINVAL;
696 }
697
698 if (mode) {
699 /* video1 (= CON1 camera) expect 24MHz */
700 clk_set_rate(mclk, clk_round_rate(mclk, 24000000));
701 clk_enable(mclk);
702 gpio_direction_output(GPIO_PORT158, 1);
703 } else {
704 gpio_direction_output(GPIO_PORT158, 0);
705 clk_disable(mclk);
706 }
707
708 clk_put(mclk);
709
710 return 0;
711 }
712
713 static struct i2c_board_info i2c_camera_mt9t111 = {
714 I2C_BOARD_INFO("mt9t112", 0x3d),
715 };
716
717 static struct mt9t112_camera_info mt9t111_info = {
718 .divider = { 16, 0, 0, 7, 0, 10, 14, 7, 7 },
719 };
720
721 static struct soc_camera_link mt9t111_link = {
722 .i2c_adapter_id = 0,
723 .bus_id = 0,
724 .board_info = &i2c_camera_mt9t111,
725 .power = mt9t111_power,
726 .priv = &mt9t111_info,
727 };
728
729 static struct platform_device camera_device = {
730 .name = "soc-camera-pdrv",
731 .id = 0,
732 .dev = {
733 .platform_data = &mt9t111_link,
734 },
735 };
736
737 /* CEU0 */
738 static struct sh_mobile_ceu_info sh_mobile_ceu0_info = {
739 .flags = SH_CEU_FLAG_LOWER_8BIT,
740 };
741
742 static struct resource ceu0_resources[] = {
743 [0] = {
744 .name = "CEU",
745 .start = 0xfe910000,
746 .end = 0xfe91009f,
747 .flags = IORESOURCE_MEM,
748 },
749 [1] = {
750 .start = intcs_evt2irq(0x0500),
751 .flags = IORESOURCE_IRQ,
752 },
753 [2] = {
754 /* place holder for contiguous memory */
755 },
756 };
757
758 static struct platform_device ceu0_device = {
759 .name = "sh_mobile_ceu",
760 .id = 0,
761 .num_resources = ARRAY_SIZE(ceu0_resources),
762 .resource = ceu0_resources,
763 .dev = {
764 .platform_data = &sh_mobile_ceu0_info,
765 .coherent_dma_mask = 0xffffffff,
766 },
767 };
768
769 /* FSI */
770 static int fsi_hdmi_set_rate(struct device *dev, int rate, int enable)
771 {
772 struct clk *fsib;
773 int ret;
774
775 /* it support 48KHz only */
776 if (48000 != rate)
777 return -EINVAL;
778
779 fsib = clk_get(dev, "ickb");
780 if (IS_ERR(fsib))
781 return -EINVAL;
782
783 if (enable) {
784 ret = SH_FSI_ACKMD_256 | SH_FSI_BPFMD_64;
785 clk_enable(fsib);
786 } else {
787 ret = 0;
788 clk_disable(fsib);
789 }
790
791 clk_put(fsib);
792
793 return ret;
794 }
795
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 .set_rate = fsi_hdmi_set_rate,
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_dai_init_info fsi_wm8978_init_info = {
835 .fmt = SND_SOC_DAIFMT_I2S,
836 .codec_daifmt = SND_SOC_DAIFMT_CBM_CFM | SND_SOC_DAIFMT_NB_NF,
837 .cpu_daifmt = SND_SOC_DAIFMT_CBS_CFS,
838 .sysclk = 12288000,
839 };
840
841 static struct asoc_simple_card_info fsi_wm8978_info = {
842 .name = "wm8978",
843 .card = "FSI2A-WM8978",
844 .cpu_dai = "fsia-dai",
845 .codec = "wm8978.0-001a",
846 .platform = "sh_fsi2",
847 .codec_dai = "wm8978-hifi",
848 .init = &fsi_wm8978_init_info,
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_dai_init_info fsi2_hdmi_init_info = {
861 .cpu_daifmt = SND_SOC_DAIFMT_CBM_CFM,
862 };
863
864 static struct asoc_simple_card_info fsi2_hdmi_info = {
865 .name = "HDMI",
866 .card = "FSI2B-HDMI",
867 .cpu_dai = "fsib-dai",
868 .codec = "sh-mobile-hdmi",
869 .platform = "sh_fsi2",
870 .codec_dai = "sh_mobile_hdmi-hifi",
871 .init = &fsi2_hdmi_init_info,
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 /* I2C */
883 static struct i2c_board_info i2c0_devices[] = {
884 {
885 I2C_BOARD_INFO("st1232-ts", 0x55),
886 .irq = evt2irq(0x0340),
887 },
888 {
889 I2C_BOARD_INFO("wm8978", 0x1a),
890 },
891 };
892
893 /*
894 * board devices
895 */
896 static struct platform_device *eva_devices[] __initdata = {
897 &lcdc0_device,
898 &gpio_keys_device,
899 &sh_eth_device,
900 &sdhi0_device,
901 &sh_mmcif_device,
902 &hdmi_device,
903 &hdmi_lcdc_device,
904 &camera_device,
905 &ceu0_device,
906 &fsi_device,
907 &fsi_wm8978_device,
908 &fsi_hdmi_device,
909 };
910
911 static void __init eva_clock_init(void)
912 {
913 struct clk *system = clk_get(NULL, "system_clk");
914 struct clk *xtal1 = clk_get(NULL, "extal1");
915 struct clk *usb24s = clk_get(NULL, "usb24s");
916 struct clk *fsibck = clk_get(NULL, "fsibck");
917 struct clk *fsib = clk_get(&fsi_device.dev, "ickb");
918
919 if (IS_ERR(system) ||
920 IS_ERR(xtal1) ||
921 IS_ERR(usb24s) ||
922 IS_ERR(fsibck) ||
923 IS_ERR(fsib)) {
924 pr_err("armadillo800eva board clock init failed\n");
925 goto clock_error;
926 }
927
928 /* armadillo 800 eva extal1 is 24MHz */
929 clk_set_rate(xtal1, 24000000);
930
931 /* usb24s use extal1 (= system) clock (= 24MHz) */
932 clk_set_parent(usb24s, system);
933
934 /* FSIBCK is 12.288MHz, and it is parent of FSI-B */
935 clk_set_parent(fsib, fsibck);
936 clk_set_rate(fsibck, 12288000);
937 clk_set_rate(fsib, 12288000);
938
939 clock_error:
940 if (!IS_ERR(system))
941 clk_put(system);
942 if (!IS_ERR(xtal1))
943 clk_put(xtal1);
944 if (!IS_ERR(usb24s))
945 clk_put(usb24s);
946 if (!IS_ERR(fsibck))
947 clk_put(fsibck);
948 if (!IS_ERR(fsib))
949 clk_put(fsib);
950 }
951
952 /*
953 * board init
954 */
955 #define GPIO_PORT7CR IOMEM(0xe6050007)
956 #define GPIO_PORT8CR IOMEM(0xe6050008)
957 static void __init eva_init(void)
958 {
959 struct platform_device *usb = NULL;
960
961 regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers,
962 ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
963
964 r8a7740_pinmux_init();
965 r8a7740_meram_workaround();
966
967 /* SCIFA1 */
968 gpio_request(GPIO_FN_SCIFA1_RXD, NULL);
969 gpio_request(GPIO_FN_SCIFA1_TXD, NULL);
970
971 /* LCDC0 */
972 gpio_request(GPIO_FN_LCDC0_SELECT, NULL);
973 gpio_request(GPIO_FN_LCD0_D0, NULL);
974 gpio_request(GPIO_FN_LCD0_D1, NULL);
975 gpio_request(GPIO_FN_LCD0_D2, NULL);
976 gpio_request(GPIO_FN_LCD0_D3, NULL);
977 gpio_request(GPIO_FN_LCD0_D4, NULL);
978 gpio_request(GPIO_FN_LCD0_D5, NULL);
979 gpio_request(GPIO_FN_LCD0_D6, NULL);
980 gpio_request(GPIO_FN_LCD0_D7, NULL);
981 gpio_request(GPIO_FN_LCD0_D8, NULL);
982 gpio_request(GPIO_FN_LCD0_D9, NULL);
983 gpio_request(GPIO_FN_LCD0_D10, NULL);
984 gpio_request(GPIO_FN_LCD0_D11, NULL);
985 gpio_request(GPIO_FN_LCD0_D12, NULL);
986 gpio_request(GPIO_FN_LCD0_D13, NULL);
987 gpio_request(GPIO_FN_LCD0_D14, NULL);
988 gpio_request(GPIO_FN_LCD0_D15, NULL);
989 gpio_request(GPIO_FN_LCD0_D16, NULL);
990 gpio_request(GPIO_FN_LCD0_D17, NULL);
991 gpio_request(GPIO_FN_LCD0_D18_PORT40, NULL);
992 gpio_request(GPIO_FN_LCD0_D19_PORT4, NULL);
993 gpio_request(GPIO_FN_LCD0_D20_PORT3, NULL);
994 gpio_request(GPIO_FN_LCD0_D21_PORT2, NULL);
995 gpio_request(GPIO_FN_LCD0_D22_PORT0, NULL);
996 gpio_request(GPIO_FN_LCD0_D23_PORT1, NULL);
997 gpio_request(GPIO_FN_LCD0_DCK, NULL);
998 gpio_request(GPIO_FN_LCD0_VSYN, NULL);
999 gpio_request(GPIO_FN_LCD0_HSYN, NULL);
1000 gpio_request(GPIO_FN_LCD0_DISP, NULL);
1001 gpio_request(GPIO_FN_LCD0_LCLK_PORT165, NULL);
1002
1003 gpio_request(GPIO_PORT61, NULL); /* LCDDON */
1004 gpio_direction_output(GPIO_PORT61, 1);
1005
1006 gpio_request(GPIO_PORT202, NULL); /* LCD0_LED_CONT */
1007 gpio_direction_output(GPIO_PORT202, 0);
1008
1009 /* Touchscreen */
1010 gpio_request(GPIO_FN_IRQ10, NULL); /* TP_INT */
1011 gpio_request(GPIO_PORT166, NULL); /* TP_RST_B */
1012 gpio_direction_output(GPIO_PORT166, 1);
1013
1014 /* GETHER */
1015 gpio_request(GPIO_FN_ET_CRS, NULL);
1016 gpio_request(GPIO_FN_ET_MDC, NULL);
1017 gpio_request(GPIO_FN_ET_MDIO, NULL);
1018 gpio_request(GPIO_FN_ET_TX_ER, NULL);
1019 gpio_request(GPIO_FN_ET_RX_ER, NULL);
1020 gpio_request(GPIO_FN_ET_ERXD0, NULL);
1021 gpio_request(GPIO_FN_ET_ERXD1, NULL);
1022 gpio_request(GPIO_FN_ET_ERXD2, NULL);
1023 gpio_request(GPIO_FN_ET_ERXD3, NULL);
1024 gpio_request(GPIO_FN_ET_TX_CLK, NULL);
1025 gpio_request(GPIO_FN_ET_TX_EN, NULL);
1026 gpio_request(GPIO_FN_ET_ETXD0, NULL);
1027 gpio_request(GPIO_FN_ET_ETXD1, NULL);
1028 gpio_request(GPIO_FN_ET_ETXD2, NULL);
1029 gpio_request(GPIO_FN_ET_ETXD3, NULL);
1030 gpio_request(GPIO_FN_ET_PHY_INT, NULL);
1031 gpio_request(GPIO_FN_ET_COL, NULL);
1032 gpio_request(GPIO_FN_ET_RX_DV, NULL);
1033 gpio_request(GPIO_FN_ET_RX_CLK, NULL);
1034
1035 gpio_request(GPIO_PORT18, NULL); /* PHY_RST */
1036 gpio_direction_output(GPIO_PORT18, 1);
1037
1038 /* USB */
1039 gpio_request(GPIO_PORT159, NULL); /* USB_DEVICE_MODE */
1040 gpio_direction_input(GPIO_PORT159);
1041
1042 if (gpio_get_value(GPIO_PORT159)) {
1043 /* USB Host */
1044 } else {
1045 /* USB Func */
1046 /*
1047 * A1 chip has 2 IRQ7 pin and it was controled by MSEL register.
1048 * OTOH, usbhs interrupt needs its value (HI/LOW) to decide
1049 * USB connection/disconnection (usbhsf_get_vbus()).
1050 * This means we needs to select GPIO_FN_IRQ7_PORT209 first,
1051 * and select GPIO_PORT209 here
1052 */
1053 gpio_request(GPIO_FN_IRQ7_PORT209, NULL);
1054 gpio_request(GPIO_PORT209, NULL);
1055 gpio_direction_input(GPIO_PORT209);
1056
1057 platform_device_register(&usbhsf_device);
1058 usb = &usbhsf_device;
1059 }
1060
1061 /* SDHI0 */
1062 gpio_request(GPIO_FN_SDHI0_CMD, NULL);
1063 gpio_request(GPIO_FN_SDHI0_CLK, NULL);
1064 gpio_request(GPIO_FN_SDHI0_D0, NULL);
1065 gpio_request(GPIO_FN_SDHI0_D1, NULL);
1066 gpio_request(GPIO_FN_SDHI0_D2, NULL);
1067 gpio_request(GPIO_FN_SDHI0_D3, NULL);
1068 gpio_request(GPIO_FN_SDHI0_WP, NULL);
1069
1070 gpio_request(GPIO_PORT17, NULL); /* SDHI0_18/33_B */
1071 gpio_request(GPIO_PORT74, NULL); /* SDHI0_PON */
1072 gpio_request(GPIO_PORT75, NULL); /* SDSLOT1_PON */
1073 gpio_direction_output(GPIO_PORT17, 0);
1074 gpio_direction_output(GPIO_PORT74, 1);
1075 gpio_direction_output(GPIO_PORT75, 1);
1076
1077 /* we can use GPIO_FN_IRQ31_PORT167 here for SDHI0 CD irq */
1078
1079 /*
1080 * MMCIF
1081 *
1082 * Here doesn't care SW1.4 status,
1083 * since CON2 is not mounted.
1084 */
1085 gpio_request(GPIO_FN_MMC1_CLK_PORT103, NULL);
1086 gpio_request(GPIO_FN_MMC1_CMD_PORT104, NULL);
1087 gpio_request(GPIO_FN_MMC1_D0_PORT149, NULL);
1088 gpio_request(GPIO_FN_MMC1_D1_PORT148, NULL);
1089 gpio_request(GPIO_FN_MMC1_D2_PORT147, NULL);
1090 gpio_request(GPIO_FN_MMC1_D3_PORT146, NULL);
1091 gpio_request(GPIO_FN_MMC1_D4_PORT145, NULL);
1092 gpio_request(GPIO_FN_MMC1_D5_PORT144, NULL);
1093 gpio_request(GPIO_FN_MMC1_D6_PORT143, NULL);
1094 gpio_request(GPIO_FN_MMC1_D7_PORT142, NULL);
1095
1096 /* CEU0 */
1097 gpio_request(GPIO_FN_VIO0_D7, NULL);
1098 gpio_request(GPIO_FN_VIO0_D6, NULL);
1099 gpio_request(GPIO_FN_VIO0_D5, NULL);
1100 gpio_request(GPIO_FN_VIO0_D4, NULL);
1101 gpio_request(GPIO_FN_VIO0_D3, NULL);
1102 gpio_request(GPIO_FN_VIO0_D2, NULL);
1103 gpio_request(GPIO_FN_VIO0_D1, NULL);
1104 gpio_request(GPIO_FN_VIO0_D0, NULL);
1105 gpio_request(GPIO_FN_VIO0_CLK, NULL);
1106 gpio_request(GPIO_FN_VIO0_HD, NULL);
1107 gpio_request(GPIO_FN_VIO0_VD, NULL);
1108 gpio_request(GPIO_FN_VIO0_FIELD, NULL);
1109 gpio_request(GPIO_FN_VIO_CKO, NULL);
1110
1111 /* CON1/CON15 Camera */
1112 gpio_request(GPIO_PORT173, NULL); /* STANDBY */
1113 gpio_request(GPIO_PORT172, NULL); /* RST */
1114 gpio_request(GPIO_PORT158, NULL); /* CAM_PON */
1115 gpio_direction_output(GPIO_PORT173, 0);
1116 gpio_direction_output(GPIO_PORT172, 1);
1117 gpio_direction_output(GPIO_PORT158, 0); /* see mt9t111_power() */
1118
1119 /* FSI-WM8978 */
1120 gpio_request(GPIO_FN_FSIAIBT, NULL);
1121 gpio_request(GPIO_FN_FSIAILR, NULL);
1122 gpio_request(GPIO_FN_FSIAOMC, NULL);
1123 gpio_request(GPIO_FN_FSIAOSLD, NULL);
1124 gpio_request(GPIO_FN_FSIAISLD_PORT5, NULL);
1125
1126 gpio_request(GPIO_PORT7, NULL);
1127 gpio_request(GPIO_PORT8, NULL);
1128 gpio_direction_none(GPIO_PORT7CR); /* FSIAOBT needs no direction */
1129 gpio_direction_none(GPIO_PORT8CR); /* FSIAOLR needs no direction */
1130
1131 /* FSI-HDMI */
1132 gpio_request(GPIO_FN_FSIBCK, NULL);
1133
1134 /* HDMI */
1135 gpio_request(GPIO_FN_HDMI_HPD, NULL);
1136 gpio_request(GPIO_FN_HDMI_CEC, NULL);
1137
1138 /*
1139 * CAUTION
1140 *
1141 * DBGMD/LCDC0/FSIA MUX
1142 * DBGMD_SELECT_B should be set after setting PFC Function.
1143 */
1144 gpio_request(GPIO_PORT176, NULL);
1145 gpio_direction_output(GPIO_PORT176, 1);
1146
1147 /*
1148 * We can switch CON8/CON14 by SW1.5,
1149 * but it needs after DBGMD_SELECT_B
1150 */
1151 gpio_request(GPIO_PORT6, NULL);
1152 gpio_direction_input(GPIO_PORT6);
1153 if (gpio_get_value(GPIO_PORT6)) {
1154 /* CON14 enable */
1155 } else {
1156 /* CON8 (SDHI1) enable */
1157 gpio_request(GPIO_FN_SDHI1_CLK, NULL);
1158 gpio_request(GPIO_FN_SDHI1_CMD, NULL);
1159 gpio_request(GPIO_FN_SDHI1_D0, NULL);
1160 gpio_request(GPIO_FN_SDHI1_D1, NULL);
1161 gpio_request(GPIO_FN_SDHI1_D2, NULL);
1162 gpio_request(GPIO_FN_SDHI1_D3, NULL);
1163 gpio_request(GPIO_FN_SDHI1_CD, NULL);
1164 gpio_request(GPIO_FN_SDHI1_WP, NULL);
1165
1166 gpio_request(GPIO_PORT16, NULL); /* SDSLOT2_PON */
1167 gpio_direction_output(GPIO_PORT16, 1);
1168
1169 platform_device_register(&sdhi1_device);
1170 }
1171
1172
1173 #ifdef CONFIG_CACHE_L2X0
1174 /* Early BRESP enable, Shared attribute override enable, 32K*8way */
1175 l2x0_init(__io(0xf0002000), 0x40440000, 0x82000fff);
1176 #endif
1177
1178 i2c_register_board_info(0, i2c0_devices, ARRAY_SIZE(i2c0_devices));
1179
1180 r8a7740_add_standard_devices();
1181
1182 platform_add_devices(eva_devices,
1183 ARRAY_SIZE(eva_devices));
1184
1185 eva_clock_init();
1186
1187 rmobile_add_device_to_domain(&r8a7740_pd_a4lc, &lcdc0_device);
1188 rmobile_add_device_to_domain(&r8a7740_pd_a4lc, &hdmi_lcdc_device);
1189 if (usb)
1190 rmobile_add_device_to_domain(&r8a7740_pd_a3sp, usb);
1191 }
1192
1193 static void __init eva_earlytimer_init(void)
1194 {
1195 r8a7740_clock_init(MD_CK0 | MD_CK2);
1196 shmobile_earlytimer_init();
1197 }
1198
1199 static void __init eva_add_early_devices(void)
1200 {
1201 r8a7740_add_early_devices();
1202
1203 /* override timer setup with board-specific code */
1204 shmobile_timer.init = eva_earlytimer_init;
1205 }
1206
1207 static const char *eva_boards_compat_dt[] __initdata = {
1208 "renesas,armadillo800eva",
1209 NULL,
1210 };
1211
1212 DT_MACHINE_START(ARMADILLO800EVA_DT, "armadillo800eva")
1213 .map_io = r8a7740_map_io,
1214 .init_early = eva_add_early_devices,
1215 .init_irq = r8a7740_init_irq,
1216 .handle_irq = shmobile_handle_irq_intc,
1217 .init_machine = eva_init,
1218 .init_late = shmobile_init_late,
1219 .timer = &shmobile_timer,
1220 .dt_compat = eva_boards_compat_dt,
1221 MACHINE_END
Linux kernel - Deliverables
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