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Merge tag 'soc-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm...
[GitHub/mt8127/android_kernel_alcatel_ttab.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/regulator/driver.h>
33 #include <linux/pinctrl/machine.h>
34 #include <linux/regulator/fixed.h>
35 #include <linux/regulator/gpio-regulator.h>
36 #include <linux/regulator/machine.h>
37 #include <linux/sh_eth.h>
38 #include <linux/videodev2.h>
39 #include <linux/usb/renesas_usbhs.h>
40 #include <linux/mfd/tmio.h>
41 #include <linux/mmc/host.h>
42 #include <linux/mmc/sh_mmcif.h>
43 #include <linux/mmc/sh_mobile_sdhi.h>
44 #include <linux/i2c-gpio.h>
45 #include <mach/common.h>
46 #include <mach/irqs.h>
47 #include <mach/r8a7740.h>
48 #include <media/mt9t112.h>
49 #include <media/sh_mobile_ceu.h>
50 #include <media/soc_camera.h>
51 #include <asm/page.h>
52 #include <asm/mach-types.h>
53 #include <asm/mach/arch.h>
54 #include <asm/mach/map.h>
55 #include <asm/mach/time.h>
56 #include <asm/hardware/cache-l2x0.h>
57 #include <video/sh_mobile_lcdc.h>
58 #include <video/sh_mobile_hdmi.h>
59 #include <sound/sh_fsi.h>
60 #include <sound/simple_card.h>
61
62 #include "sh-gpio.h"
63
64 /*
65 * CON1 Camera Module
66 * CON2 Extension Bus
67 * CON3 HDMI Output
68 * CON4 Composite Video Output
69 * CON5 H-UDI JTAG
70 * CON6 ARM JTAG
71 * CON7 SD1
72 * CON8 SD2
73 * CON9 RTC BackUp
74 * CON10 Monaural Mic Input
75 * CON11 Stereo Headphone Output
76 * CON12 Audio Line Output(L)
77 * CON13 Audio Line Output(R)
78 * CON14 AWL13 Module
79 * CON15 Extension
80 * CON16 LCD1
81 * CON17 LCD2
82 * CON19 Power Input
83 * CON20 USB1
84 * CON21 USB2
85 * CON22 Serial
86 * CON23 LAN
87 * CON24 USB3
88 * LED1 Camera LED(Yellow)
89 * LED2 Power LED (Green)
90 * ED3-LED6 User LED(Yellow)
91 * LED7 LAN link LED(Green)
92 * LED8 LAN activity LED(Yellow)
93 */
94
95 /*
96 * DipSwitch
97 *
98 * SW1
99 *
100 * -12345678-+---------------+----------------------------
101 * 1 | boot | hermit
102 * 0 | boot | OS auto boot
103 * -12345678-+---------------+----------------------------
104 * 00 | boot device | eMMC
105 * 10 | boot device | SDHI0 (CON7)
106 * 01 | boot device | -
107 * 11 | boot device | Extension Buss (CS0)
108 * -12345678-+---------------+----------------------------
109 * 0 | Extension Bus | D8-D15 disable, eMMC enable
110 * 1 | Extension Bus | D8-D15 enable, eMMC disable
111 * -12345678-+---------------+----------------------------
112 * 0 | SDHI1 | COM8 disable, COM14 enable
113 * 1 | SDHI1 | COM8 enable, COM14 disable
114 * -12345678-+---------------+----------------------------
115 * 0 | USB0 | COM20 enable, COM24 disable
116 * 1 | USB0 | COM20 disable, COM24 enable
117 * -12345678-+---------------+----------------------------
118 * 00 | JTAG | SH-X2
119 * 10 | JTAG | ARM
120 * 01 | JTAG | -
121 * 11 | JTAG | Boundary Scan
122 *-----------+---------------+----------------------------
123 */
124
125 /*
126 * FSI-WM8978
127 *
128 * this command is required when playback.
129 *
130 * # amixer set "Headphone" 50
131 *
132 * this command is required when capture.
133 *
134 * # amixer set "Input PGA" 15
135 * # amixer set "Left Input Mixer MicP" on
136 * # amixer set "Left Input Mixer MicN" on
137 * # amixer set "Right Input Mixer MicN" on
138 * # amixer set "Right Input Mixer MicP" on
139 */
140
141 /*
142 * USB function
143 *
144 * When you use USB Function,
145 * set SW1.6 ON, and connect cable to CN24.
146 *
147 * USBF needs workaround on R8A7740 chip.
148 * These are a little bit complex.
149 * see
150 * usbhsf_power_ctrl()
151 */
152 #define IRQ7 irq_pin(7)
153 #define USBCR1 IOMEM(0xe605810a)
154 #define USBH 0xC6700000
155 #define USBH_USBCTR 0x10834
156
157 struct usbhsf_private {
158 struct clk *phy;
159 struct clk *usb24;
160 struct clk *pci;
161 struct clk *func;
162 struct clk *host;
163 void __iomem *usbh_base;
164 struct renesas_usbhs_platform_info info;
165 };
166
167 #define usbhsf_get_priv(pdev) \
168 container_of(renesas_usbhs_get_info(pdev), \
169 struct usbhsf_private, info)
170
171 static int usbhsf_get_id(struct platform_device *pdev)
172 {
173 return USBHS_GADGET;
174 }
175
176 static int usbhsf_power_ctrl(struct platform_device *pdev,
177 void __iomem *base, int enable)
178 {
179 struct usbhsf_private *priv = usbhsf_get_priv(pdev);
180
181 /*
182 * Work around for USB Function.
183 * It needs USB host clock, and settings
184 */
185 if (enable) {
186 /*
187 * enable all the related usb clocks
188 * for usb workaround
189 */
190 clk_enable(priv->usb24);
191 clk_enable(priv->pci);
192 clk_enable(priv->host);
193 clk_enable(priv->func);
194 clk_enable(priv->phy);
195
196 /*
197 * set USBCR1
198 *
199 * Port1 is driven by USB function,
200 * Port2 is driven by USB HOST
201 * One HOST (Port1 or Port2 is HOST)
202 * USB PLL input clock = 24MHz
203 */
204 __raw_writew(0xd750, USBCR1);
205 mdelay(1);
206
207 /*
208 * start USB Host
209 */
210 __raw_writel(0x0000000c, priv->usbh_base + USBH_USBCTR);
211 __raw_writel(0x00000008, priv->usbh_base + USBH_USBCTR);
212 mdelay(10);
213
214 /*
215 * USB PHY Power ON
216 */
217 __raw_writew(0xd770, USBCR1);
218 __raw_writew(0x4000, base + 0x102); /* USBF :: SUSPMODE */
219
220 } else {
221 __raw_writel(0x0000010f, priv->usbh_base + USBH_USBCTR);
222 __raw_writew(0xd7c0, USBCR1); /* GPIO */
223
224 clk_disable(priv->phy);
225 clk_disable(priv->func); /* usb work around */
226 clk_disable(priv->host); /* usb work around */
227 clk_disable(priv->pci); /* usb work around */
228 clk_disable(priv->usb24); /* usb work around */
229 }
230
231 return 0;
232 }
233
234 static int usbhsf_get_vbus(struct platform_device *pdev)
235 {
236 return gpio_get_value(209);
237 }
238
239 static irqreturn_t usbhsf_interrupt(int irq, void *data)
240 {
241 struct platform_device *pdev = data;
242
243 renesas_usbhs_call_notify_hotplug(pdev);
244
245 return IRQ_HANDLED;
246 }
247
248 static int usbhsf_hardware_exit(struct platform_device *pdev)
249 {
250 struct usbhsf_private *priv = usbhsf_get_priv(pdev);
251
252 if (!IS_ERR(priv->phy))
253 clk_put(priv->phy);
254 if (!IS_ERR(priv->usb24))
255 clk_put(priv->usb24);
256 if (!IS_ERR(priv->pci))
257 clk_put(priv->pci);
258 if (!IS_ERR(priv->host))
259 clk_put(priv->host);
260 if (!IS_ERR(priv->func))
261 clk_put(priv->func);
262 if (priv->usbh_base)
263 iounmap(priv->usbh_base);
264
265 priv->phy = NULL;
266 priv->usb24 = NULL;
267 priv->pci = NULL;
268 priv->host = NULL;
269 priv->func = NULL;
270 priv->usbh_base = NULL;
271
272 free_irq(IRQ7, pdev);
273
274 return 0;
275 }
276
277 static int usbhsf_hardware_init(struct platform_device *pdev)
278 {
279 struct usbhsf_private *priv = usbhsf_get_priv(pdev);
280 int ret;
281
282 priv->phy = clk_get(&pdev->dev, "phy");
283 priv->usb24 = clk_get(&pdev->dev, "usb24");
284 priv->pci = clk_get(&pdev->dev, "pci");
285 priv->func = clk_get(&pdev->dev, "func");
286 priv->host = clk_get(&pdev->dev, "host");
287 priv->usbh_base = ioremap_nocache(USBH, 0x20000);
288
289 if (IS_ERR(priv->phy) ||
290 IS_ERR(priv->usb24) ||
291 IS_ERR(priv->pci) ||
292 IS_ERR(priv->host) ||
293 IS_ERR(priv->func) ||
294 !priv->usbh_base) {
295 dev_err(&pdev->dev, "USB clock setting failed\n");
296 usbhsf_hardware_exit(pdev);
297 return -EIO;
298 }
299
300 ret = request_irq(IRQ7, usbhsf_interrupt, IRQF_TRIGGER_NONE,
301 dev_name(&pdev->dev), pdev);
302 if (ret) {
303 dev_err(&pdev->dev, "request_irq err\n");
304 return ret;
305 }
306 irq_set_irq_type(IRQ7, IRQ_TYPE_EDGE_BOTH);
307
308 /* usb24 use 1/1 of parent clock (= usb24s = 24MHz) */
309 clk_set_rate(priv->usb24,
310 clk_get_rate(clk_get_parent(priv->usb24)));
311
312 return 0;
313 }
314
315 static struct usbhsf_private usbhsf_private = {
316 .info = {
317 .platform_callback = {
318 .get_id = usbhsf_get_id,
319 .get_vbus = usbhsf_get_vbus,
320 .hardware_init = usbhsf_hardware_init,
321 .hardware_exit = usbhsf_hardware_exit,
322 .power_ctrl = usbhsf_power_ctrl,
323 },
324 .driver_param = {
325 .buswait_bwait = 5,
326 .detection_delay = 5,
327 .d0_rx_id = SHDMA_SLAVE_USBHS_RX,
328 .d1_tx_id = SHDMA_SLAVE_USBHS_TX,
329 },
330 }
331 };
332
333 static struct resource usbhsf_resources[] = {
334 {
335 .name = "USBHS",
336 .start = 0xe6890000,
337 .end = 0xe6890104 - 1,
338 .flags = IORESOURCE_MEM,
339 },
340 {
341 .start = gic_spi(51),
342 .flags = IORESOURCE_IRQ,
343 },
344 };
345
346 static struct platform_device usbhsf_device = {
347 .name = "renesas_usbhs",
348 .dev = {
349 .platform_data = &usbhsf_private.info,
350 },
351 .id = -1,
352 .num_resources = ARRAY_SIZE(usbhsf_resources),
353 .resource = usbhsf_resources,
354 };
355
356 /* Ether */
357 static struct sh_eth_plat_data sh_eth_platdata = {
358 .phy = 0x00, /* LAN8710A */
359 .edmac_endian = EDMAC_LITTLE_ENDIAN,
360 .register_type = SH_ETH_REG_GIGABIT,
361 .phy_interface = PHY_INTERFACE_MODE_MII,
362 };
363
364 static struct resource sh_eth_resources[] = {
365 {
366 .start = 0xe9a00000,
367 .end = 0xe9a00800 - 1,
368 .flags = IORESOURCE_MEM,
369 }, {
370 .start = 0xe9a01800,
371 .end = 0xe9a02000 - 1,
372 .flags = IORESOURCE_MEM,
373 }, {
374 .start = gic_spi(110),
375 .flags = IORESOURCE_IRQ,
376 },
377 };
378
379 static struct platform_device sh_eth_device = {
380 .name = "sh-eth",
381 .id = -1,
382 .dev = {
383 .platform_data = &sh_eth_platdata,
384 },
385 .resource = sh_eth_resources,
386 .num_resources = ARRAY_SIZE(sh_eth_resources),
387 };
388
389 /* LCDC */
390 static struct fb_videomode lcdc0_mode = {
391 .name = "AMPIER/AM-800480",
392 .xres = 800,
393 .yres = 480,
394 .left_margin = 88,
395 .right_margin = 40,
396 .hsync_len = 128,
397 .upper_margin = 20,
398 .lower_margin = 5,
399 .vsync_len = 5,
400 .sync = 0,
401 };
402
403 static struct sh_mobile_lcdc_info lcdc0_info = {
404 .clock_source = LCDC_CLK_BUS,
405 .ch[0] = {
406 .chan = LCDC_CHAN_MAINLCD,
407 .fourcc = V4L2_PIX_FMT_RGB565,
408 .interface_type = RGB24,
409 .clock_divider = 5,
410 .flags = 0,
411 .lcd_modes = &lcdc0_mode,
412 .num_modes = 1,
413 .panel_cfg = {
414 .width = 111,
415 .height = 68,
416 },
417 },
418 };
419
420 static struct resource lcdc0_resources[] = {
421 [0] = {
422 .name = "LCD0",
423 .start = 0xfe940000,
424 .end = 0xfe943fff,
425 .flags = IORESOURCE_MEM,
426 },
427 [1] = {
428 .start = gic_spi(177),
429 .flags = IORESOURCE_IRQ,
430 },
431 };
432
433 static struct platform_device lcdc0_device = {
434 .name = "sh_mobile_lcdc_fb",
435 .num_resources = ARRAY_SIZE(lcdc0_resources),
436 .resource = lcdc0_resources,
437 .id = 0,
438 .dev = {
439 .platform_data = &lcdc0_info,
440 .coherent_dma_mask = ~0,
441 },
442 };
443
444 /*
445 * LCDC1/HDMI
446 */
447 static struct sh_mobile_hdmi_info hdmi_info = {
448 .flags = HDMI_OUTPUT_PUSH_PULL |
449 HDMI_OUTPUT_POLARITY_HI |
450 HDMI_32BIT_REG |
451 HDMI_HAS_HTOP1 |
452 HDMI_SND_SRC_SPDIF,
453 };
454
455 static struct resource hdmi_resources[] = {
456 [0] = {
457 .name = "HDMI",
458 .start = 0xe6be0000,
459 .end = 0xe6be03ff,
460 .flags = IORESOURCE_MEM,
461 },
462 [1] = {
463 .start = gic_spi(131),
464 .flags = IORESOURCE_IRQ,
465 },
466 [2] = {
467 .name = "HDMI emma3pf",
468 .start = 0xe6be4000,
469 .end = 0xe6be43ff,
470 .flags = IORESOURCE_MEM,
471 },
472 };
473
474 static struct platform_device hdmi_device = {
475 .name = "sh-mobile-hdmi",
476 .num_resources = ARRAY_SIZE(hdmi_resources),
477 .resource = hdmi_resources,
478 .id = -1,
479 .dev = {
480 .platform_data = &hdmi_info,
481 },
482 };
483
484 static const struct fb_videomode lcdc1_mode = {
485 .name = "HDMI 720p",
486 .xres = 1280,
487 .yres = 720,
488 .pixclock = 13468,
489 .left_margin = 220,
490 .right_margin = 110,
491 .hsync_len = 40,
492 .upper_margin = 20,
493 .lower_margin = 5,
494 .vsync_len = 5,
495 .refresh = 60,
496 .sync = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT,
497 };
498
499 static struct sh_mobile_lcdc_info hdmi_lcdc_info = {
500 .clock_source = LCDC_CLK_PERIPHERAL, /* HDMI clock */
501 .ch[0] = {
502 .chan = LCDC_CHAN_MAINLCD,
503 .fourcc = V4L2_PIX_FMT_RGB565,
504 .interface_type = RGB24,
505 .clock_divider = 1,
506 .flags = LCDC_FLAGS_DWPOL,
507 .lcd_modes = &lcdc1_mode,
508 .num_modes = 1,
509 .tx_dev = &hdmi_device,
510 .panel_cfg = {
511 .width = 1280,
512 .height = 720,
513 },
514 },
515 };
516
517 static struct resource hdmi_lcdc_resources[] = {
518 [0] = {
519 .name = "LCDC1",
520 .start = 0xfe944000,
521 .end = 0xfe948000 - 1,
522 .flags = IORESOURCE_MEM,
523 },
524 [1] = {
525 .start = gic_spi(178),
526 .flags = IORESOURCE_IRQ,
527 },
528 };
529
530 static struct platform_device hdmi_lcdc_device = {
531 .name = "sh_mobile_lcdc_fb",
532 .num_resources = ARRAY_SIZE(hdmi_lcdc_resources),
533 .resource = hdmi_lcdc_resources,
534 .id = 1,
535 .dev = {
536 .platform_data = &hdmi_lcdc_info,
537 .coherent_dma_mask = ~0,
538 },
539 };
540
541 /* GPIO KEY */
542 #define GPIO_KEY(c, g, d, ...) \
543 { .code = c, .gpio = g, .desc = d, .active_low = 1, __VA_ARGS__ }
544
545 static struct gpio_keys_button gpio_buttons[] = {
546 GPIO_KEY(KEY_POWER, 99, "SW3", .wakeup = 1),
547 GPIO_KEY(KEY_BACK, 100, "SW4"),
548 GPIO_KEY(KEY_MENU, 97, "SW5"),
549 GPIO_KEY(KEY_HOME, 98, "SW6"),
550 };
551
552 static struct gpio_keys_platform_data gpio_key_info = {
553 .buttons = gpio_buttons,
554 .nbuttons = ARRAY_SIZE(gpio_buttons),
555 };
556
557 static struct platform_device gpio_keys_device = {
558 .name = "gpio-keys",
559 .id = -1,
560 .dev = {
561 .platform_data = &gpio_key_info,
562 },
563 };
564
565 /* Fixed 3.3V regulator to be used by SDHI1, MMCIF */
566 static struct regulator_consumer_supply fixed3v3_power_consumers[] = {
567 REGULATOR_SUPPLY("vmmc", "sh_mmcif"),
568 REGULATOR_SUPPLY("vqmmc", "sh_mmcif"),
569 };
570
571 /* Fixed 3.3V regulator to be used by SDHI0 */
572 static struct regulator_consumer_supply vcc_sdhi0_consumers[] = {
573 REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
574 };
575
576 static struct regulator_init_data vcc_sdhi0_init_data = {
577 .constraints = {
578 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
579 },
580 .num_consumer_supplies = ARRAY_SIZE(vcc_sdhi0_consumers),
581 .consumer_supplies = vcc_sdhi0_consumers,
582 };
583
584 static struct fixed_voltage_config vcc_sdhi0_info = {
585 .supply_name = "SDHI0 Vcc",
586 .microvolts = 3300000,
587 .gpio = GPIO_PORT75,
588 .enable_high = 1,
589 .init_data = &vcc_sdhi0_init_data,
590 };
591
592 static struct platform_device vcc_sdhi0 = {
593 .name = "reg-fixed-voltage",
594 .id = 1,
595 .dev = {
596 .platform_data = &vcc_sdhi0_info,
597 },
598 };
599
600 /* 1.8 / 3.3V SDHI0 VccQ regulator */
601 static struct regulator_consumer_supply vccq_sdhi0_consumers[] = {
602 REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
603 };
604
605 static struct regulator_init_data vccq_sdhi0_init_data = {
606 .constraints = {
607 .input_uV = 3300000,
608 .min_uV = 1800000,
609 .max_uV = 3300000,
610 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
611 REGULATOR_CHANGE_STATUS,
612 },
613 .num_consumer_supplies = ARRAY_SIZE(vccq_sdhi0_consumers),
614 .consumer_supplies = vccq_sdhi0_consumers,
615 };
616
617 static struct gpio vccq_sdhi0_gpios[] = {
618 {GPIO_PORT17, GPIOF_OUT_INIT_LOW, "vccq-sdhi0" },
619 };
620
621 static struct gpio_regulator_state vccq_sdhi0_states[] = {
622 { .value = 3300000, .gpios = (0 << 0) },
623 { .value = 1800000, .gpios = (1 << 0) },
624 };
625
626 static struct gpio_regulator_config vccq_sdhi0_info = {
627 .supply_name = "vqmmc",
628
629 .enable_gpio = GPIO_PORT74,
630 .enable_high = 1,
631 .enabled_at_boot = 0,
632
633 .gpios = vccq_sdhi0_gpios,
634 .nr_gpios = ARRAY_SIZE(vccq_sdhi0_gpios),
635
636 .states = vccq_sdhi0_states,
637 .nr_states = ARRAY_SIZE(vccq_sdhi0_states),
638
639 .type = REGULATOR_VOLTAGE,
640 .init_data = &vccq_sdhi0_init_data,
641 };
642
643 static struct platform_device vccq_sdhi0 = {
644 .name = "gpio-regulator",
645 .id = -1,
646 .dev = {
647 .platform_data = &vccq_sdhi0_info,
648 },
649 };
650
651 /* Fixed 3.3V regulator to be used by SDHI1 */
652 static struct regulator_consumer_supply vcc_sdhi1_consumers[] = {
653 REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.1"),
654 };
655
656 static struct regulator_init_data vcc_sdhi1_init_data = {
657 .constraints = {
658 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
659 },
660 .num_consumer_supplies = ARRAY_SIZE(vcc_sdhi1_consumers),
661 .consumer_supplies = vcc_sdhi1_consumers,
662 };
663
664 static struct fixed_voltage_config vcc_sdhi1_info = {
665 .supply_name = "SDHI1 Vcc",
666 .microvolts = 3300000,
667 .gpio = GPIO_PORT16,
668 .enable_high = 1,
669 .init_data = &vcc_sdhi1_init_data,
670 };
671
672 static struct platform_device vcc_sdhi1 = {
673 .name = "reg-fixed-voltage",
674 .id = 2,
675 .dev = {
676 .platform_data = &vcc_sdhi1_info,
677 },
678 };
679
680 /* SDHI0 */
681 /*
682 * FIXME
683 *
684 * It use polling mode here, since
685 * CD (= Card Detect) pin is not connected to SDHI0_CD.
686 * We can use IRQ31 as card detect irq,
687 * but it needs chattering removal operation
688 */
689 #define IRQ31 irq_pin(31)
690 static struct sh_mobile_sdhi_info sdhi0_info = {
691 .dma_slave_tx = SHDMA_SLAVE_SDHI0_TX,
692 .dma_slave_rx = SHDMA_SLAVE_SDHI0_RX,
693 .tmio_caps = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ |
694 MMC_CAP_POWER_OFF_CARD,
695 .tmio_flags = TMIO_MMC_HAS_IDLE_WAIT | TMIO_MMC_USE_GPIO_CD,
696 .cd_gpio = GPIO_PORT167,
697 };
698
699 static struct resource sdhi0_resources[] = {
700 {
701 .name = "SDHI0",
702 .start = 0xe6850000,
703 .end = 0xe6850100 - 1,
704 .flags = IORESOURCE_MEM,
705 },
706 /*
707 * no SH_MOBILE_SDHI_IRQ_CARD_DETECT here
708 */
709 {
710 .name = SH_MOBILE_SDHI_IRQ_SDCARD,
711 .start = gic_spi(118),
712 .flags = IORESOURCE_IRQ,
713 },
714 {
715 .name = SH_MOBILE_SDHI_IRQ_SDIO,
716 .start = gic_spi(119),
717 .flags = IORESOURCE_IRQ,
718 },
719 };
720
721 static struct platform_device sdhi0_device = {
722 .name = "sh_mobile_sdhi",
723 .id = 0,
724 .dev = {
725 .platform_data = &sdhi0_info,
726 },
727 .num_resources = ARRAY_SIZE(sdhi0_resources),
728 .resource = sdhi0_resources,
729 };
730
731 /* SDHI1 */
732 static struct sh_mobile_sdhi_info sdhi1_info = {
733 .dma_slave_tx = SHDMA_SLAVE_SDHI1_TX,
734 .dma_slave_rx = SHDMA_SLAVE_SDHI1_RX,
735 .tmio_caps = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ |
736 MMC_CAP_POWER_OFF_CARD,
737 .tmio_flags = TMIO_MMC_HAS_IDLE_WAIT | TMIO_MMC_USE_GPIO_CD,
738 /* Port72 cannot generate IRQs, will be used in polling mode. */
739 .cd_gpio = GPIO_PORT72,
740 };
741
742 static struct resource sdhi1_resources[] = {
743 [0] = {
744 .name = "SDHI1",
745 .start = 0xe6860000,
746 .end = 0xe6860100 - 1,
747 .flags = IORESOURCE_MEM,
748 },
749 [1] = {
750 .start = gic_spi(121),
751 .flags = IORESOURCE_IRQ,
752 },
753 [2] = {
754 .start = gic_spi(122),
755 .flags = IORESOURCE_IRQ,
756 },
757 [3] = {
758 .start = gic_spi(123),
759 .flags = IORESOURCE_IRQ,
760 },
761 };
762
763 static struct platform_device sdhi1_device = {
764 .name = "sh_mobile_sdhi",
765 .id = 1,
766 .dev = {
767 .platform_data = &sdhi1_info,
768 },
769 .num_resources = ARRAY_SIZE(sdhi1_resources),
770 .resource = sdhi1_resources,
771 };
772
773 static const struct pinctrl_map eva_sdhi1_pinctrl_map[] = {
774 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.1", "pfc-r8a7740",
775 "sdhi1_data4", "sdhi1"),
776 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.1", "pfc-r8a7740",
777 "sdhi1_ctrl", "sdhi1"),
778 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.1", "pfc-r8a7740",
779 "sdhi1_cd", "sdhi1"),
780 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.1", "pfc-r8a7740",
781 "sdhi1_wp", "sdhi1"),
782 };
783
784 /* MMCIF */
785 static struct sh_mmcif_plat_data sh_mmcif_plat = {
786 .sup_pclk = 0,
787 .caps = MMC_CAP_4_BIT_DATA |
788 MMC_CAP_8_BIT_DATA |
789 MMC_CAP_NONREMOVABLE,
790 };
791
792 static struct resource sh_mmcif_resources[] = {
793 [0] = {
794 .name = "MMCIF",
795 .start = 0xe6bd0000,
796 .end = 0xe6bd0100 - 1,
797 .flags = IORESOURCE_MEM,
798 },
799 [1] = {
800 /* MMC ERR */
801 .start = gic_spi(56),
802 .flags = IORESOURCE_IRQ,
803 },
804 [2] = {
805 /* MMC NOR */
806 .start = gic_spi(57),
807 .flags = IORESOURCE_IRQ,
808 },
809 };
810
811 static struct platform_device sh_mmcif_device = {
812 .name = "sh_mmcif",
813 .id = -1,
814 .dev = {
815 .platform_data = &sh_mmcif_plat,
816 },
817 .num_resources = ARRAY_SIZE(sh_mmcif_resources),
818 .resource = sh_mmcif_resources,
819 };
820
821 /* Camera */
822 static int mt9t111_power(struct device *dev, int mode)
823 {
824 struct clk *mclk = clk_get(NULL, "video1");
825
826 if (IS_ERR(mclk)) {
827 dev_err(dev, "can't get video1 clock\n");
828 return -EINVAL;
829 }
830
831 if (mode) {
832 /* video1 (= CON1 camera) expect 24MHz */
833 clk_set_rate(mclk, clk_round_rate(mclk, 24000000));
834 clk_enable(mclk);
835 gpio_set_value(158, 1);
836 } else {
837 gpio_set_value(158, 0);
838 clk_disable(mclk);
839 }
840
841 clk_put(mclk);
842
843 return 0;
844 }
845
846 static struct i2c_board_info i2c_camera_mt9t111 = {
847 I2C_BOARD_INFO("mt9t112", 0x3d),
848 };
849
850 static struct mt9t112_camera_info mt9t111_info = {
851 .divider = { 16, 0, 0, 7, 0, 10, 14, 7, 7 },
852 };
853
854 static struct soc_camera_link mt9t111_link = {
855 .i2c_adapter_id = 0,
856 .bus_id = 0,
857 .board_info = &i2c_camera_mt9t111,
858 .power = mt9t111_power,
859 .priv = &mt9t111_info,
860 };
861
862 static struct platform_device camera_device = {
863 .name = "soc-camera-pdrv",
864 .id = 0,
865 .dev = {
866 .platform_data = &mt9t111_link,
867 },
868 };
869
870 /* CEU0 */
871 static struct sh_mobile_ceu_info sh_mobile_ceu0_info = {
872 .flags = SH_CEU_FLAG_LOWER_8BIT,
873 };
874
875 static struct resource ceu0_resources[] = {
876 [0] = {
877 .name = "CEU",
878 .start = 0xfe910000,
879 .end = 0xfe91009f,
880 .flags = IORESOURCE_MEM,
881 },
882 [1] = {
883 .start = gic_spi(160),
884 .flags = IORESOURCE_IRQ,
885 },
886 [2] = {
887 /* place holder for contiguous memory */
888 },
889 };
890
891 static struct platform_device ceu0_device = {
892 .name = "sh_mobile_ceu",
893 .id = 0,
894 .num_resources = ARRAY_SIZE(ceu0_resources),
895 .resource = ceu0_resources,
896 .dev = {
897 .platform_data = &sh_mobile_ceu0_info,
898 .coherent_dma_mask = 0xffffffff,
899 },
900 };
901
902 /* FSI */
903 static struct sh_fsi_platform_info fsi_info = {
904 /* FSI-WM8978 */
905 .port_a = {
906 .tx_id = SHDMA_SLAVE_FSIA_TX,
907 },
908 /* FSI-HDMI */
909 .port_b = {
910 .flags = SH_FSI_FMT_SPDIF |
911 SH_FSI_ENABLE_STREAM_MODE |
912 SH_FSI_CLK_CPG,
913 .tx_id = SHDMA_SLAVE_FSIB_TX,
914 }
915 };
916
917 static struct resource fsi_resources[] = {
918 [0] = {
919 .name = "FSI",
920 .start = 0xfe1f0000,
921 .end = 0xfe1f8400 - 1,
922 .flags = IORESOURCE_MEM,
923 },
924 [1] = {
925 .start = gic_spi(9),
926 .flags = IORESOURCE_IRQ,
927 },
928 };
929
930 static struct platform_device fsi_device = {
931 .name = "sh_fsi2",
932 .id = -1,
933 .num_resources = ARRAY_SIZE(fsi_resources),
934 .resource = fsi_resources,
935 .dev = {
936 .platform_data = &fsi_info,
937 },
938 };
939
940 /* FSI-WM8978 */
941 static struct asoc_simple_card_info fsi_wm8978_info = {
942 .name = "wm8978",
943 .card = "FSI2A-WM8978",
944 .codec = "wm8978.0-001a",
945 .platform = "sh_fsi2",
946 .daifmt = SND_SOC_DAIFMT_I2S,
947 .cpu_dai = {
948 .name = "fsia-dai",
949 .fmt = SND_SOC_DAIFMT_CBS_CFS | SND_SOC_DAIFMT_IB_NF,
950 },
951 .codec_dai = {
952 .name = "wm8978-hifi",
953 .fmt = SND_SOC_DAIFMT_CBM_CFM | SND_SOC_DAIFMT_NB_NF,
954 .sysclk = 12288000,
955 },
956 };
957
958 static struct platform_device fsi_wm8978_device = {
959 .name = "asoc-simple-card",
960 .id = 0,
961 .dev = {
962 .platform_data = &fsi_wm8978_info,
963 },
964 };
965
966 /* FSI-HDMI */
967 static struct asoc_simple_card_info fsi2_hdmi_info = {
968 .name = "HDMI",
969 .card = "FSI2B-HDMI",
970 .codec = "sh-mobile-hdmi",
971 .platform = "sh_fsi2",
972 .cpu_dai = {
973 .name = "fsib-dai",
974 .fmt = SND_SOC_DAIFMT_CBM_CFM,
975 },
976 .codec_dai = {
977 .name = "sh_mobile_hdmi-hifi",
978 },
979 };
980
981 static struct platform_device fsi_hdmi_device = {
982 .name = "asoc-simple-card",
983 .id = 1,
984 .dev = {
985 .platform_data = &fsi2_hdmi_info,
986 },
987 };
988
989 /* RTC: RTC connects i2c-gpio. */
990 static struct i2c_gpio_platform_data i2c_gpio_data = {
991 .sda_pin = 208,
992 .scl_pin = 91,
993 .udelay = 5, /* 100 kHz */
994 };
995
996 static struct platform_device i2c_gpio_device = {
997 .name = "i2c-gpio",
998 .id = 2,
999 .dev = {
1000 .platform_data = &i2c_gpio_data,
1001 },
1002 };
1003
1004 /* I2C */
1005 static struct st1232_pdata st1232_i2c0_pdata = {
1006 .reset_gpio = 166,
1007 };
1008
1009 static struct i2c_board_info i2c0_devices[] = {
1010 {
1011 I2C_BOARD_INFO("st1232-ts", 0x55),
1012 .irq = irq_pin(10),
1013 .platform_data = &st1232_i2c0_pdata,
1014 },
1015 {
1016 I2C_BOARD_INFO("wm8978", 0x1a),
1017 },
1018 };
1019
1020 static struct i2c_board_info i2c2_devices[] = {
1021 {
1022 I2C_BOARD_INFO("s35390a", 0x30),
1023 .type = "s35390a",
1024 },
1025 };
1026
1027 /*
1028 * board devices
1029 */
1030 static struct platform_device *eva_devices[] __initdata = {
1031 &lcdc0_device,
1032 &gpio_keys_device,
1033 &sh_eth_device,
1034 &vcc_sdhi0,
1035 &vccq_sdhi0,
1036 &sdhi0_device,
1037 &sh_mmcif_device,
1038 &hdmi_device,
1039 &hdmi_lcdc_device,
1040 &camera_device,
1041 &ceu0_device,
1042 &fsi_device,
1043 &fsi_wm8978_device,
1044 &fsi_hdmi_device,
1045 &i2c_gpio_device,
1046 };
1047
1048 static const struct pinctrl_map eva_pinctrl_map[] = {
1049 /* LCD0 */
1050 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_lcdc_fb.0", "pfc-r8a7740",
1051 "lcd0_data24_0", "lcd0"),
1052 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_lcdc_fb.0", "pfc-r8a7740",
1053 "lcd0_lclk_1", "lcd0"),
1054 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_lcdc_fb.0", "pfc-r8a7740",
1055 "lcd0_sync", "lcd0"),
1056 /* MMCIF */
1057 PIN_MAP_MUX_GROUP_DEFAULT("sh_mmcif.0", "pfc-r8a7740",
1058 "mmc0_data8_1", "mmc0"),
1059 PIN_MAP_MUX_GROUP_DEFAULT("sh_mmcif.0", "pfc-r8a7740",
1060 "mmc0_ctrl_1", "mmc0"),
1061 /* SDHI0 */
1062 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7740",
1063 "sdhi0_data4", "sdhi0"),
1064 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7740",
1065 "sdhi0_ctrl", "sdhi0"),
1066 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7740",
1067 "sdhi0_wp", "sdhi0"),
1068 };
1069
1070 static void __init eva_clock_init(void)
1071 {
1072 struct clk *system = clk_get(NULL, "system_clk");
1073 struct clk *xtal1 = clk_get(NULL, "extal1");
1074 struct clk *usb24s = clk_get(NULL, "usb24s");
1075 struct clk *fsibck = clk_get(NULL, "fsibck");
1076
1077 if (IS_ERR(system) ||
1078 IS_ERR(xtal1) ||
1079 IS_ERR(usb24s) ||
1080 IS_ERR(fsibck)) {
1081 pr_err("armadillo800eva board clock init failed\n");
1082 goto clock_error;
1083 }
1084
1085 /* armadillo 800 eva extal1 is 24MHz */
1086 clk_set_rate(xtal1, 24000000);
1087
1088 /* usb24s use extal1 (= system) clock (= 24MHz) */
1089 clk_set_parent(usb24s, system);
1090
1091 /* FSIBCK is 12.288MHz, and it is parent of FSI-B */
1092 clk_set_rate(fsibck, 12288000);
1093
1094 clock_error:
1095 if (!IS_ERR(system))
1096 clk_put(system);
1097 if (!IS_ERR(xtal1))
1098 clk_put(xtal1);
1099 if (!IS_ERR(usb24s))
1100 clk_put(usb24s);
1101 if (!IS_ERR(fsibck))
1102 clk_put(fsibck);
1103 }
1104
1105 /*
1106 * board init
1107 */
1108 #define GPIO_PORT7CR IOMEM(0xe6050007)
1109 #define GPIO_PORT8CR IOMEM(0xe6050008)
1110 static void __init eva_init(void)
1111 {
1112 struct platform_device *usb = NULL;
1113
1114 regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers,
1115 ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
1116
1117 pinctrl_register_mappings(eva_pinctrl_map, ARRAY_SIZE(eva_pinctrl_map));
1118
1119 r8a7740_pinmux_init();
1120 r8a7740_meram_workaround();
1121
1122 /* SCIFA1 */
1123 gpio_request(GPIO_FN_SCIFA1_RXD, NULL);
1124 gpio_request(GPIO_FN_SCIFA1_TXD, NULL);
1125
1126 /* LCDC0 */
1127 gpio_request(GPIO_FN_LCDC0_SELECT, NULL);
1128
1129 gpio_request_one(61, GPIOF_OUT_INIT_HIGH, NULL); /* LCDDON */
1130 gpio_request_one(202, GPIOF_OUT_INIT_LOW, NULL); /* LCD0_LED_CONT */
1131
1132 /* Touchscreen */
1133 gpio_request(GPIO_FN_IRQ10, NULL); /* TP_INT */
1134
1135 /* GETHER */
1136 gpio_request(GPIO_FN_ET_CRS, NULL);
1137 gpio_request(GPIO_FN_ET_MDC, NULL);
1138 gpio_request(GPIO_FN_ET_MDIO, NULL);
1139 gpio_request(GPIO_FN_ET_TX_ER, NULL);
1140 gpio_request(GPIO_FN_ET_RX_ER, NULL);
1141 gpio_request(GPIO_FN_ET_ERXD0, NULL);
1142 gpio_request(GPIO_FN_ET_ERXD1, NULL);
1143 gpio_request(GPIO_FN_ET_ERXD2, NULL);
1144 gpio_request(GPIO_FN_ET_ERXD3, NULL);
1145 gpio_request(GPIO_FN_ET_TX_CLK, NULL);
1146 gpio_request(GPIO_FN_ET_TX_EN, NULL);
1147 gpio_request(GPIO_FN_ET_ETXD0, NULL);
1148 gpio_request(GPIO_FN_ET_ETXD1, NULL);
1149 gpio_request(GPIO_FN_ET_ETXD2, NULL);
1150 gpio_request(GPIO_FN_ET_ETXD3, NULL);
1151 gpio_request(GPIO_FN_ET_PHY_INT, NULL);
1152 gpio_request(GPIO_FN_ET_COL, NULL);
1153 gpio_request(GPIO_FN_ET_RX_DV, NULL);
1154 gpio_request(GPIO_FN_ET_RX_CLK, NULL);
1155
1156 gpio_request_one(18, GPIOF_OUT_INIT_HIGH, NULL); /* PHY_RST */
1157
1158 /* USB */
1159 gpio_request_one(159, GPIOF_IN, NULL); /* USB_DEVICE_MODE */
1160
1161 if (gpio_get_value(159)) {
1162 /* USB Host */
1163 } else {
1164 /* USB Func */
1165 /*
1166 * A1 chip has 2 IRQ7 pin and it was controled by MSEL register.
1167 * OTOH, usbhs interrupt needs its value (HI/LOW) to decide
1168 * USB connection/disconnection (usbhsf_get_vbus()).
1169 * This means we needs to select GPIO_FN_IRQ7_PORT209 first,
1170 * and select GPIO 209 here
1171 */
1172 gpio_request(GPIO_FN_IRQ7_PORT209, NULL);
1173 gpio_request_one(209, GPIOF_IN, NULL);
1174
1175 platform_device_register(&usbhsf_device);
1176 usb = &usbhsf_device;
1177 }
1178
1179 /* CEU0 */
1180 gpio_request(GPIO_FN_VIO0_D7, NULL);
1181 gpio_request(GPIO_FN_VIO0_D6, NULL);
1182 gpio_request(GPIO_FN_VIO0_D5, NULL);
1183 gpio_request(GPIO_FN_VIO0_D4, NULL);
1184 gpio_request(GPIO_FN_VIO0_D3, NULL);
1185 gpio_request(GPIO_FN_VIO0_D2, NULL);
1186 gpio_request(GPIO_FN_VIO0_D1, NULL);
1187 gpio_request(GPIO_FN_VIO0_D0, NULL);
1188 gpio_request(GPIO_FN_VIO0_CLK, NULL);
1189 gpio_request(GPIO_FN_VIO0_HD, NULL);
1190 gpio_request(GPIO_FN_VIO0_VD, NULL);
1191 gpio_request(GPIO_FN_VIO0_FIELD, NULL);
1192 gpio_request(GPIO_FN_VIO_CKO, NULL);
1193
1194 /* CON1/CON15 Camera */
1195 gpio_request_one(173, GPIOF_OUT_INIT_LOW, NULL); /* STANDBY */
1196 gpio_request_one(172, GPIOF_OUT_INIT_HIGH, NULL); /* RST */
1197 /* see mt9t111_power() */
1198 gpio_request_one(158, GPIOF_OUT_INIT_LOW, NULL); /* CAM_PON */
1199
1200 /* FSI-WM8978 */
1201 gpio_request(GPIO_FN_FSIAIBT, NULL);
1202 gpio_request(GPIO_FN_FSIAILR, NULL);
1203 gpio_request(GPIO_FN_FSIAOMC, NULL);
1204 gpio_request(GPIO_FN_FSIAOSLD, NULL);
1205 gpio_request(GPIO_FN_FSIAISLD_PORT5, NULL);
1206
1207 gpio_request(7, NULL);
1208 gpio_request(8, NULL);
1209 gpio_direction_none(GPIO_PORT7CR); /* FSIAOBT needs no direction */
1210 gpio_direction_none(GPIO_PORT8CR); /* FSIAOLR needs no direction */
1211
1212 /* FSI-HDMI */
1213 gpio_request(GPIO_FN_FSIBCK, NULL);
1214
1215 /* HDMI */
1216 gpio_request(GPIO_FN_HDMI_HPD, NULL);
1217 gpio_request(GPIO_FN_HDMI_CEC, NULL);
1218
1219 /*
1220 * CAUTION
1221 *
1222 * DBGMD/LCDC0/FSIA MUX
1223 * DBGMD_SELECT_B should be set after setting PFC Function.
1224 */
1225 gpio_request_one(176, GPIOF_OUT_INIT_HIGH, NULL);
1226
1227 /*
1228 * We can switch CON8/CON14 by SW1.5,
1229 * but it needs after DBGMD_SELECT_B
1230 */
1231 gpio_request_one(6, GPIOF_IN, NULL);
1232 if (gpio_get_value(6)) {
1233 /* CON14 enable */
1234 } else {
1235 /* CON8 (SDHI1) enable */
1236 pinctrl_register_mappings(eva_sdhi1_pinctrl_map,
1237 ARRAY_SIZE(eva_sdhi1_pinctrl_map));
1238
1239 platform_device_register(&vcc_sdhi1);
1240 platform_device_register(&sdhi1_device);
1241 }
1242
1243
1244 #ifdef CONFIG_CACHE_L2X0
1245 /* Early BRESP enable, Shared attribute override enable, 32K*8way */
1246 l2x0_init(IOMEM(0xf0002000), 0x40440000, 0x82000fff);
1247 #endif
1248
1249 i2c_register_board_info(0, i2c0_devices, ARRAY_SIZE(i2c0_devices));
1250 i2c_register_board_info(2, i2c2_devices, ARRAY_SIZE(i2c2_devices));
1251
1252 r8a7740_add_standard_devices();
1253
1254 platform_add_devices(eva_devices,
1255 ARRAY_SIZE(eva_devices));
1256
1257 rmobile_add_device_to_domain("A4LC", &lcdc0_device);
1258 rmobile_add_device_to_domain("A4LC", &hdmi_lcdc_device);
1259 if (usb)
1260 rmobile_add_device_to_domain("A3SP", usb);
1261
1262 r8a7740_pm_init();
1263 }
1264
1265 static void __init eva_earlytimer_init(void)
1266 {
1267 r8a7740_clock_init(MD_CK0 | MD_CK2);
1268 shmobile_earlytimer_init();
1269
1270 /* the rate of extal1 clock must be set before late_time_init */
1271 eva_clock_init();
1272 }
1273
1274 static void __init eva_add_early_devices(void)
1275 {
1276 r8a7740_add_early_devices();
1277 }
1278
1279 #define RESCNT2 IOMEM(0xe6188020)
1280 static void eva_restart(char mode, const char *cmd)
1281 {
1282 /* Do soft power on reset */
1283 writel((1 << 31), RESCNT2);
1284 }
1285
1286 static const char *eva_boards_compat_dt[] __initdata = {
1287 "renesas,armadillo800eva",
1288 NULL,
1289 };
1290
1291 DT_MACHINE_START(ARMADILLO800EVA_DT, "armadillo800eva")
1292 .map_io = r8a7740_map_io,
1293 .init_early = eva_add_early_devices,
1294 .init_irq = r8a7740_init_irq,
1295 .init_machine = eva_init,
1296 .init_late = shmobile_init_late,
1297 .init_time = eva_earlytimer_init,
1298 .dt_compat = eva_boards_compat_dt,
1299 .restart = eva_restart,
1300 MACHINE_END
kernel source for telekom puls (alcatel/mediatek)