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[mirror_ubuntu-eoan-kernel.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/platform_data/pwm-renesas-tpu.h>
35 #include <linux/pwm_backlight.h>
36 #include <linux/regulator/fixed.h>
37 #include <linux/regulator/gpio-regulator.h>
38 #include <linux/regulator/machine.h>
39 #include <linux/sh_eth.h>
40 #include <linux/videodev2.h>
41 #include <linux/usb/renesas_usbhs.h>
42 #include <linux/mfd/tmio.h>
43 #include <linux/mmc/host.h>
44 #include <linux/mmc/sh_mmcif.h>
45 #include <linux/mmc/sh_mobile_sdhi.h>
46 #include <linux/i2c-gpio.h>
47 #include <linux/reboot.h>
48 #include <mach/common.h>
49 #include <mach/irqs.h>
50 #include <mach/r8a7740.h>
51 #include <media/mt9t112.h>
52 #include <media/sh_mobile_ceu.h>
53 #include <media/soc_camera.h>
54 #include <asm/page.h>
55 #include <asm/mach-types.h>
56 #include <asm/mach/arch.h>
57 #include <asm/mach/map.h>
58 #include <asm/mach/time.h>
59 #include <asm/hardware/cache-l2x0.h>
60 #include <video/sh_mobile_lcdc.h>
61 #include <video/sh_mobile_hdmi.h>
62 #include <sound/sh_fsi.h>
63 #include <sound/simple_card.h>
64
65 #include "sh-gpio.h"
66
67 /*
68 * CON1 Camera Module
69 * CON2 Extension Bus
70 * CON3 HDMI Output
71 * CON4 Composite Video Output
72 * CON5 H-UDI JTAG
73 * CON6 ARM JTAG
74 * CON7 SD1
75 * CON8 SD2
76 * CON9 RTC BackUp
77 * CON10 Monaural Mic Input
78 * CON11 Stereo Headphone Output
79 * CON12 Audio Line Output(L)
80 * CON13 Audio Line Output(R)
81 * CON14 AWL13 Module
82 * CON15 Extension
83 * CON16 LCD1
84 * CON17 LCD2
85 * CON19 Power Input
86 * CON20 USB1
87 * CON21 USB2
88 * CON22 Serial
89 * CON23 LAN
90 * CON24 USB3
91 * LED1 Camera LED(Yellow)
92 * LED2 Power LED (Green)
93 * ED3-LED6 User LED(Yellow)
94 * LED7 LAN link LED(Green)
95 * LED8 LAN activity LED(Yellow)
96 */
97
98 /*
99 * DipSwitch
100 *
101 * SW1
102 *
103 * -12345678-+---------------+----------------------------
104 * 1 | boot | hermit
105 * 0 | boot | OS auto boot
106 * -12345678-+---------------+----------------------------
107 * 00 | boot device | eMMC
108 * 10 | boot device | SDHI0 (CON7)
109 * 01 | boot device | -
110 * 11 | boot device | Extension Buss (CS0)
111 * -12345678-+---------------+----------------------------
112 * 0 | Extension Bus | D8-D15 disable, eMMC enable
113 * 1 | Extension Bus | D8-D15 enable, eMMC disable
114 * -12345678-+---------------+----------------------------
115 * 0 | SDHI1 | COM8 disable, COM14 enable
116 * 1 | SDHI1 | COM8 enable, COM14 disable
117 * -12345678-+---------------+----------------------------
118 * 0 | USB0 | COM20 enable, COM24 disable
119 * 1 | USB0 | COM20 disable, COM24 enable
120 * -12345678-+---------------+----------------------------
121 * 00 | JTAG | SH-X2
122 * 10 | JTAG | ARM
123 * 01 | JTAG | -
124 * 11 | JTAG | Boundary Scan
125 *-----------+---------------+----------------------------
126 */
127
128 /*
129 * FSI-WM8978
130 *
131 * this command is required when playback.
132 *
133 * # amixer set "Headphone" 50
134 *
135 * this command is required when capture.
136 *
137 * # amixer set "Input PGA" 15
138 * # amixer set "Left Input Mixer MicP" on
139 * # amixer set "Left Input Mixer MicN" on
140 * # amixer set "Right Input Mixer MicN" on
141 * # amixer set "Right Input Mixer MicP" on
142 */
143
144 /*
145 * USB function
146 *
147 * When you use USB Function,
148 * set SW1.6 ON, and connect cable to CN24.
149 *
150 * USBF needs workaround on R8A7740 chip.
151 * These are a little bit complex.
152 * see
153 * usbhsf_power_ctrl()
154 */
155 #define IRQ7 irq_pin(7)
156 #define USBCR1 IOMEM(0xe605810a)
157 #define USBH 0xC6700000
158 #define USBH_USBCTR 0x10834
159
160 struct usbhsf_private {
161 struct clk *phy;
162 struct clk *usb24;
163 struct clk *pci;
164 struct clk *func;
165 struct clk *host;
166 void __iomem *usbh_base;
167 struct renesas_usbhs_platform_info info;
168 };
169
170 #define usbhsf_get_priv(pdev) \
171 container_of(renesas_usbhs_get_info(pdev), \
172 struct usbhsf_private, info)
173
174 static int usbhsf_get_id(struct platform_device *pdev)
175 {
176 return USBHS_GADGET;
177 }
178
179 static int usbhsf_power_ctrl(struct platform_device *pdev,
180 void __iomem *base, int enable)
181 {
182 struct usbhsf_private *priv = usbhsf_get_priv(pdev);
183
184 /*
185 * Work around for USB Function.
186 * It needs USB host clock, and settings
187 */
188 if (enable) {
189 /*
190 * enable all the related usb clocks
191 * for usb workaround
192 */
193 clk_enable(priv->usb24);
194 clk_enable(priv->pci);
195 clk_enable(priv->host);
196 clk_enable(priv->func);
197 clk_enable(priv->phy);
198
199 /*
200 * set USBCR1
201 *
202 * Port1 is driven by USB function,
203 * Port2 is driven by USB HOST
204 * One HOST (Port1 or Port2 is HOST)
205 * USB PLL input clock = 24MHz
206 */
207 __raw_writew(0xd750, USBCR1);
208 mdelay(1);
209
210 /*
211 * start USB Host
212 */
213 __raw_writel(0x0000000c, priv->usbh_base + USBH_USBCTR);
214 __raw_writel(0x00000008, priv->usbh_base + USBH_USBCTR);
215 mdelay(10);
216
217 /*
218 * USB PHY Power ON
219 */
220 __raw_writew(0xd770, USBCR1);
221 __raw_writew(0x4000, base + 0x102); /* USBF :: SUSPMODE */
222
223 } else {
224 __raw_writel(0x0000010f, priv->usbh_base + USBH_USBCTR);
225 __raw_writew(0xd7c0, USBCR1); /* GPIO */
226
227 clk_disable(priv->phy);
228 clk_disable(priv->func); /* usb work around */
229 clk_disable(priv->host); /* usb work around */
230 clk_disable(priv->pci); /* usb work around */
231 clk_disable(priv->usb24); /* usb work around */
232 }
233
234 return 0;
235 }
236
237 static int usbhsf_get_vbus(struct platform_device *pdev)
238 {
239 return gpio_get_value(209);
240 }
241
242 static irqreturn_t usbhsf_interrupt(int irq, void *data)
243 {
244 struct platform_device *pdev = data;
245
246 renesas_usbhs_call_notify_hotplug(pdev);
247
248 return IRQ_HANDLED;
249 }
250
251 static int usbhsf_hardware_exit(struct platform_device *pdev)
252 {
253 struct usbhsf_private *priv = usbhsf_get_priv(pdev);
254
255 if (!IS_ERR(priv->phy))
256 clk_put(priv->phy);
257 if (!IS_ERR(priv->usb24))
258 clk_put(priv->usb24);
259 if (!IS_ERR(priv->pci))
260 clk_put(priv->pci);
261 if (!IS_ERR(priv->host))
262 clk_put(priv->host);
263 if (!IS_ERR(priv->func))
264 clk_put(priv->func);
265 if (priv->usbh_base)
266 iounmap(priv->usbh_base);
267
268 priv->phy = NULL;
269 priv->usb24 = NULL;
270 priv->pci = NULL;
271 priv->host = NULL;
272 priv->func = NULL;
273 priv->usbh_base = NULL;
274
275 free_irq(IRQ7, pdev);
276
277 return 0;
278 }
279
280 static int usbhsf_hardware_init(struct platform_device *pdev)
281 {
282 struct usbhsf_private *priv = usbhsf_get_priv(pdev);
283 int ret;
284
285 priv->phy = clk_get(&pdev->dev, "phy");
286 priv->usb24 = clk_get(&pdev->dev, "usb24");
287 priv->pci = clk_get(&pdev->dev, "pci");
288 priv->func = clk_get(&pdev->dev, "func");
289 priv->host = clk_get(&pdev->dev, "host");
290 priv->usbh_base = ioremap_nocache(USBH, 0x20000);
291
292 if (IS_ERR(priv->phy) ||
293 IS_ERR(priv->usb24) ||
294 IS_ERR(priv->pci) ||
295 IS_ERR(priv->host) ||
296 IS_ERR(priv->func) ||
297 !priv->usbh_base) {
298 dev_err(&pdev->dev, "USB clock setting failed\n");
299 usbhsf_hardware_exit(pdev);
300 return -EIO;
301 }
302
303 ret = request_irq(IRQ7, usbhsf_interrupt, IRQF_TRIGGER_NONE,
304 dev_name(&pdev->dev), pdev);
305 if (ret) {
306 dev_err(&pdev->dev, "request_irq err\n");
307 return ret;
308 }
309 irq_set_irq_type(IRQ7, IRQ_TYPE_EDGE_BOTH);
310
311 /* usb24 use 1/1 of parent clock (= usb24s = 24MHz) */
312 clk_set_rate(priv->usb24,
313 clk_get_rate(clk_get_parent(priv->usb24)));
314
315 return 0;
316 }
317
318 static struct usbhsf_private usbhsf_private = {
319 .info = {
320 .platform_callback = {
321 .get_id = usbhsf_get_id,
322 .get_vbus = usbhsf_get_vbus,
323 .hardware_init = usbhsf_hardware_init,
324 .hardware_exit = usbhsf_hardware_exit,
325 .power_ctrl = usbhsf_power_ctrl,
326 },
327 .driver_param = {
328 .buswait_bwait = 5,
329 .detection_delay = 5,
330 .d0_rx_id = SHDMA_SLAVE_USBHS_RX,
331 .d1_tx_id = SHDMA_SLAVE_USBHS_TX,
332 },
333 }
334 };
335
336 static struct resource usbhsf_resources[] = {
337 {
338 .name = "USBHS",
339 .start = 0xe6890000,
340 .end = 0xe6890104 - 1,
341 .flags = IORESOURCE_MEM,
342 },
343 {
344 .start = gic_spi(51),
345 .flags = IORESOURCE_IRQ,
346 },
347 };
348
349 static struct platform_device usbhsf_device = {
350 .name = "renesas_usbhs",
351 .dev = {
352 .platform_data = &usbhsf_private.info,
353 },
354 .id = -1,
355 .num_resources = ARRAY_SIZE(usbhsf_resources),
356 .resource = usbhsf_resources,
357 };
358
359 /* Ether */
360 static struct sh_eth_plat_data sh_eth_platdata = {
361 .phy = 0x00, /* LAN8710A */
362 .edmac_endian = EDMAC_LITTLE_ENDIAN,
363 .phy_interface = PHY_INTERFACE_MODE_MII,
364 };
365
366 static struct resource sh_eth_resources[] = {
367 {
368 .start = 0xe9a00000,
369 .end = 0xe9a00800 - 1,
370 .flags = IORESOURCE_MEM,
371 }, {
372 .start = 0xe9a01800,
373 .end = 0xe9a02000 - 1,
374 .flags = IORESOURCE_MEM,
375 }, {
376 .start = gic_spi(110),
377 .flags = IORESOURCE_IRQ,
378 },
379 };
380
381 static struct platform_device sh_eth_device = {
382 .name = "r8a7740-gether",
383 .id = -1,
384 .dev = {
385 .platform_data = &sh_eth_platdata,
386 },
387 .resource = sh_eth_resources,
388 .num_resources = ARRAY_SIZE(sh_eth_resources),
389 };
390
391 /* PWM */
392 static struct resource pwm_resources[] = {
393 [0] = {
394 .start = 0xe6600000,
395 .end = 0xe66000ff,
396 .flags = IORESOURCE_MEM,
397 },
398 };
399
400 static struct tpu_pwm_platform_data pwm_device_data = {
401 .channels[2] = {
402 .polarity = PWM_POLARITY_INVERSED,
403 }
404 };
405
406 static struct platform_device pwm_device = {
407 .name = "renesas-tpu-pwm",
408 .id = -1,
409 .dev = {
410 .platform_data = &pwm_device_data,
411 },
412 .num_resources = ARRAY_SIZE(pwm_resources),
413 .resource = pwm_resources,
414 };
415
416 static struct pwm_lookup pwm_lookup[] = {
417 PWM_LOOKUP("renesas-tpu-pwm", 2, "pwm-backlight.0", NULL),
418 };
419
420 /* LCDC and backlight */
421 static struct platform_pwm_backlight_data pwm_backlight_data = {
422 .lth_brightness = 50,
423 .max_brightness = 255,
424 .dft_brightness = 255,
425 .pwm_period_ns = 33333, /* 30kHz */
426 };
427
428 static struct platform_device pwm_backlight_device = {
429 .name = "pwm-backlight",
430 .dev = {
431 .platform_data = &pwm_backlight_data,
432 },
433 };
434
435 static struct fb_videomode lcdc0_mode = {
436 .name = "AMPIER/AM-800480",
437 .xres = 800,
438 .yres = 480,
439 .left_margin = 88,
440 .right_margin = 40,
441 .hsync_len = 128,
442 .upper_margin = 20,
443 .lower_margin = 5,
444 .vsync_len = 5,
445 .sync = 0,
446 };
447
448 static struct sh_mobile_lcdc_info lcdc0_info = {
449 .clock_source = LCDC_CLK_BUS,
450 .ch[0] = {
451 .chan = LCDC_CHAN_MAINLCD,
452 .fourcc = V4L2_PIX_FMT_RGB565,
453 .interface_type = RGB24,
454 .clock_divider = 5,
455 .flags = 0,
456 .lcd_modes = &lcdc0_mode,
457 .num_modes = 1,
458 .panel_cfg = {
459 .width = 111,
460 .height = 68,
461 },
462 },
463 };
464
465 static struct resource lcdc0_resources[] = {
466 [0] = {
467 .name = "LCD0",
468 .start = 0xfe940000,
469 .end = 0xfe943fff,
470 .flags = IORESOURCE_MEM,
471 },
472 [1] = {
473 .start = gic_spi(177),
474 .flags = IORESOURCE_IRQ,
475 },
476 };
477
478 static struct platform_device lcdc0_device = {
479 .name = "sh_mobile_lcdc_fb",
480 .num_resources = ARRAY_SIZE(lcdc0_resources),
481 .resource = lcdc0_resources,
482 .id = 0,
483 .dev = {
484 .platform_data = &lcdc0_info,
485 .coherent_dma_mask = ~0,
486 },
487 };
488
489 /*
490 * LCDC1/HDMI
491 */
492 static struct sh_mobile_hdmi_info hdmi_info = {
493 .flags = HDMI_OUTPUT_PUSH_PULL |
494 HDMI_OUTPUT_POLARITY_HI |
495 HDMI_32BIT_REG |
496 HDMI_HAS_HTOP1 |
497 HDMI_SND_SRC_SPDIF,
498 };
499
500 static struct resource hdmi_resources[] = {
501 [0] = {
502 .name = "HDMI",
503 .start = 0xe6be0000,
504 .end = 0xe6be03ff,
505 .flags = IORESOURCE_MEM,
506 },
507 [1] = {
508 .start = gic_spi(131),
509 .flags = IORESOURCE_IRQ,
510 },
511 [2] = {
512 .name = "HDMI emma3pf",
513 .start = 0xe6be4000,
514 .end = 0xe6be43ff,
515 .flags = IORESOURCE_MEM,
516 },
517 };
518
519 static struct platform_device hdmi_device = {
520 .name = "sh-mobile-hdmi",
521 .num_resources = ARRAY_SIZE(hdmi_resources),
522 .resource = hdmi_resources,
523 .id = -1,
524 .dev = {
525 .platform_data = &hdmi_info,
526 },
527 };
528
529 static const struct fb_videomode lcdc1_mode = {
530 .name = "HDMI 720p",
531 .xres = 1280,
532 .yres = 720,
533 .pixclock = 13468,
534 .left_margin = 220,
535 .right_margin = 110,
536 .hsync_len = 40,
537 .upper_margin = 20,
538 .lower_margin = 5,
539 .vsync_len = 5,
540 .refresh = 60,
541 .sync = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT,
542 };
543
544 static struct sh_mobile_lcdc_info hdmi_lcdc_info = {
545 .clock_source = LCDC_CLK_PERIPHERAL, /* HDMI clock */
546 .ch[0] = {
547 .chan = LCDC_CHAN_MAINLCD,
548 .fourcc = V4L2_PIX_FMT_RGB565,
549 .interface_type = RGB24,
550 .clock_divider = 1,
551 .flags = LCDC_FLAGS_DWPOL,
552 .lcd_modes = &lcdc1_mode,
553 .num_modes = 1,
554 .tx_dev = &hdmi_device,
555 .panel_cfg = {
556 .width = 1280,
557 .height = 720,
558 },
559 },
560 };
561
562 static struct resource hdmi_lcdc_resources[] = {
563 [0] = {
564 .name = "LCDC1",
565 .start = 0xfe944000,
566 .end = 0xfe948000 - 1,
567 .flags = IORESOURCE_MEM,
568 },
569 [1] = {
570 .start = gic_spi(178),
571 .flags = IORESOURCE_IRQ,
572 },
573 };
574
575 static struct platform_device hdmi_lcdc_device = {
576 .name = "sh_mobile_lcdc_fb",
577 .num_resources = ARRAY_SIZE(hdmi_lcdc_resources),
578 .resource = hdmi_lcdc_resources,
579 .id = 1,
580 .dev = {
581 .platform_data = &hdmi_lcdc_info,
582 .coherent_dma_mask = ~0,
583 },
584 };
585
586 /* GPIO KEY */
587 #define GPIO_KEY(c, g, d, ...) \
588 { .code = c, .gpio = g, .desc = d, .active_low = 1, __VA_ARGS__ }
589
590 static struct gpio_keys_button gpio_buttons[] = {
591 GPIO_KEY(KEY_POWER, 99, "SW3", .wakeup = 1),
592 GPIO_KEY(KEY_BACK, 100, "SW4"),
593 GPIO_KEY(KEY_MENU, 97, "SW5"),
594 GPIO_KEY(KEY_HOME, 98, "SW6"),
595 };
596
597 static struct gpio_keys_platform_data gpio_key_info = {
598 .buttons = gpio_buttons,
599 .nbuttons = ARRAY_SIZE(gpio_buttons),
600 };
601
602 static struct platform_device gpio_keys_device = {
603 .name = "gpio-keys",
604 .id = -1,
605 .dev = {
606 .platform_data = &gpio_key_info,
607 },
608 };
609
610 /* Fixed 3.3V regulator to be used by SDHI1, MMCIF */
611 static struct regulator_consumer_supply fixed3v3_power_consumers[] = {
612 REGULATOR_SUPPLY("vmmc", "sh_mmcif"),
613 REGULATOR_SUPPLY("vqmmc", "sh_mmcif"),
614 };
615
616 /* Fixed 3.3V regulator to be used by SDHI0 */
617 static struct regulator_consumer_supply vcc_sdhi0_consumers[] = {
618 REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
619 };
620
621 static struct regulator_init_data vcc_sdhi0_init_data = {
622 .constraints = {
623 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
624 },
625 .num_consumer_supplies = ARRAY_SIZE(vcc_sdhi0_consumers),
626 .consumer_supplies = vcc_sdhi0_consumers,
627 };
628
629 static struct fixed_voltage_config vcc_sdhi0_info = {
630 .supply_name = "SDHI0 Vcc",
631 .microvolts = 3300000,
632 .gpio = 75,
633 .enable_high = 1,
634 .init_data = &vcc_sdhi0_init_data,
635 };
636
637 static struct platform_device vcc_sdhi0 = {
638 .name = "reg-fixed-voltage",
639 .id = 1,
640 .dev = {
641 .platform_data = &vcc_sdhi0_info,
642 },
643 };
644
645 /* 1.8 / 3.3V SDHI0 VccQ regulator */
646 static struct regulator_consumer_supply vccq_sdhi0_consumers[] = {
647 REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
648 };
649
650 static struct regulator_init_data vccq_sdhi0_init_data = {
651 .constraints = {
652 .input_uV = 3300000,
653 .min_uV = 1800000,
654 .max_uV = 3300000,
655 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
656 REGULATOR_CHANGE_STATUS,
657 },
658 .num_consumer_supplies = ARRAY_SIZE(vccq_sdhi0_consumers),
659 .consumer_supplies = vccq_sdhi0_consumers,
660 };
661
662 static struct gpio vccq_sdhi0_gpios[] = {
663 {17, GPIOF_OUT_INIT_LOW, "vccq-sdhi0" },
664 };
665
666 static struct gpio_regulator_state vccq_sdhi0_states[] = {
667 { .value = 3300000, .gpios = (0 << 0) },
668 { .value = 1800000, .gpios = (1 << 0) },
669 };
670
671 static struct gpio_regulator_config vccq_sdhi0_info = {
672 .supply_name = "vqmmc",
673
674 .enable_gpio = 74,
675 .enable_high = 1,
676 .enabled_at_boot = 0,
677
678 .gpios = vccq_sdhi0_gpios,
679 .nr_gpios = ARRAY_SIZE(vccq_sdhi0_gpios),
680
681 .states = vccq_sdhi0_states,
682 .nr_states = ARRAY_SIZE(vccq_sdhi0_states),
683
684 .type = REGULATOR_VOLTAGE,
685 .init_data = &vccq_sdhi0_init_data,
686 };
687
688 static struct platform_device vccq_sdhi0 = {
689 .name = "gpio-regulator",
690 .id = -1,
691 .dev = {
692 .platform_data = &vccq_sdhi0_info,
693 },
694 };
695
696 /* Fixed 3.3V regulator to be used by SDHI1 */
697 static struct regulator_consumer_supply vcc_sdhi1_consumers[] = {
698 REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.1"),
699 };
700
701 static struct regulator_init_data vcc_sdhi1_init_data = {
702 .constraints = {
703 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
704 },
705 .num_consumer_supplies = ARRAY_SIZE(vcc_sdhi1_consumers),
706 .consumer_supplies = vcc_sdhi1_consumers,
707 };
708
709 static struct fixed_voltage_config vcc_sdhi1_info = {
710 .supply_name = "SDHI1 Vcc",
711 .microvolts = 3300000,
712 .gpio = 16,
713 .enable_high = 1,
714 .init_data = &vcc_sdhi1_init_data,
715 };
716
717 static struct platform_device vcc_sdhi1 = {
718 .name = "reg-fixed-voltage",
719 .id = 2,
720 .dev = {
721 .platform_data = &vcc_sdhi1_info,
722 },
723 };
724
725 /* SDHI0 */
726 static struct sh_mobile_sdhi_info sdhi0_info = {
727 .dma_slave_tx = SHDMA_SLAVE_SDHI0_TX,
728 .dma_slave_rx = SHDMA_SLAVE_SDHI0_RX,
729 .tmio_caps = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ |
730 MMC_CAP_POWER_OFF_CARD,
731 .tmio_flags = TMIO_MMC_HAS_IDLE_WAIT | TMIO_MMC_USE_GPIO_CD,
732 .cd_gpio = 167,
733 };
734
735 static struct resource sdhi0_resources[] = {
736 {
737 .name = "SDHI0",
738 .start = 0xe6850000,
739 .end = 0xe6850100 - 1,
740 .flags = IORESOURCE_MEM,
741 },
742 /*
743 * no SH_MOBILE_SDHI_IRQ_CARD_DETECT here
744 */
745 {
746 .name = SH_MOBILE_SDHI_IRQ_SDCARD,
747 .start = gic_spi(118),
748 .flags = IORESOURCE_IRQ,
749 },
750 {
751 .name = SH_MOBILE_SDHI_IRQ_SDIO,
752 .start = gic_spi(119),
753 .flags = IORESOURCE_IRQ,
754 },
755 };
756
757 static struct platform_device sdhi0_device = {
758 .name = "sh_mobile_sdhi",
759 .id = 0,
760 .dev = {
761 .platform_data = &sdhi0_info,
762 },
763 .num_resources = ARRAY_SIZE(sdhi0_resources),
764 .resource = sdhi0_resources,
765 };
766
767 /* SDHI1 */
768 static struct sh_mobile_sdhi_info sdhi1_info = {
769 .dma_slave_tx = SHDMA_SLAVE_SDHI1_TX,
770 .dma_slave_rx = SHDMA_SLAVE_SDHI1_RX,
771 .tmio_caps = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ |
772 MMC_CAP_POWER_OFF_CARD,
773 .tmio_flags = TMIO_MMC_HAS_IDLE_WAIT | TMIO_MMC_USE_GPIO_CD,
774 /* Port72 cannot generate IRQs, will be used in polling mode. */
775 .cd_gpio = 72,
776 };
777
778 static struct resource sdhi1_resources[] = {
779 [0] = {
780 .name = "SDHI1",
781 .start = 0xe6860000,
782 .end = 0xe6860100 - 1,
783 .flags = IORESOURCE_MEM,
784 },
785 [1] = {
786 .start = gic_spi(121),
787 .flags = IORESOURCE_IRQ,
788 },
789 [2] = {
790 .start = gic_spi(122),
791 .flags = IORESOURCE_IRQ,
792 },
793 [3] = {
794 .start = gic_spi(123),
795 .flags = IORESOURCE_IRQ,
796 },
797 };
798
799 static struct platform_device sdhi1_device = {
800 .name = "sh_mobile_sdhi",
801 .id = 1,
802 .dev = {
803 .platform_data = &sdhi1_info,
804 },
805 .num_resources = ARRAY_SIZE(sdhi1_resources),
806 .resource = sdhi1_resources,
807 };
808
809 static const struct pinctrl_map eva_sdhi1_pinctrl_map[] = {
810 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.1", "pfc-r8a7740",
811 "sdhi1_data4", "sdhi1"),
812 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.1", "pfc-r8a7740",
813 "sdhi1_ctrl", "sdhi1"),
814 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.1", "pfc-r8a7740",
815 "sdhi1_cd", "sdhi1"),
816 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.1", "pfc-r8a7740",
817 "sdhi1_wp", "sdhi1"),
818 };
819
820 /* MMCIF */
821 static struct sh_mmcif_plat_data sh_mmcif_plat = {
822 .sup_pclk = 0,
823 .caps = MMC_CAP_4_BIT_DATA |
824 MMC_CAP_8_BIT_DATA |
825 MMC_CAP_NONREMOVABLE,
826 .slave_id_tx = SHDMA_SLAVE_MMCIF_TX,
827 .slave_id_rx = SHDMA_SLAVE_MMCIF_RX,
828 };
829
830 static struct resource sh_mmcif_resources[] = {
831 [0] = {
832 .name = "MMCIF",
833 .start = 0xe6bd0000,
834 .end = 0xe6bd0100 - 1,
835 .flags = IORESOURCE_MEM,
836 },
837 [1] = {
838 /* MMC ERR */
839 .start = gic_spi(56),
840 .flags = IORESOURCE_IRQ,
841 },
842 [2] = {
843 /* MMC NOR */
844 .start = gic_spi(57),
845 .flags = IORESOURCE_IRQ,
846 },
847 };
848
849 static struct platform_device sh_mmcif_device = {
850 .name = "sh_mmcif",
851 .id = -1,
852 .dev = {
853 .platform_data = &sh_mmcif_plat,
854 },
855 .num_resources = ARRAY_SIZE(sh_mmcif_resources),
856 .resource = sh_mmcif_resources,
857 };
858
859 /* Camera */
860 static int mt9t111_power(struct device *dev, int mode)
861 {
862 struct clk *mclk = clk_get(NULL, "video1");
863
864 if (IS_ERR(mclk)) {
865 dev_err(dev, "can't get video1 clock\n");
866 return -EINVAL;
867 }
868
869 if (mode) {
870 /* video1 (= CON1 camera) expect 24MHz */
871 clk_set_rate(mclk, clk_round_rate(mclk, 24000000));
872 clk_enable(mclk);
873 gpio_set_value(158, 1);
874 } else {
875 gpio_set_value(158, 0);
876 clk_disable(mclk);
877 }
878
879 clk_put(mclk);
880
881 return 0;
882 }
883
884 static struct i2c_board_info i2c_camera_mt9t111 = {
885 I2C_BOARD_INFO("mt9t112", 0x3d),
886 };
887
888 static struct mt9t112_camera_info mt9t111_info = {
889 .divider = { 16, 0, 0, 7, 0, 10, 14, 7, 7 },
890 };
891
892 static struct soc_camera_link mt9t111_link = {
893 .i2c_adapter_id = 0,
894 .bus_id = 0,
895 .board_info = &i2c_camera_mt9t111,
896 .power = mt9t111_power,
897 .priv = &mt9t111_info,
898 };
899
900 static struct platform_device camera_device = {
901 .name = "soc-camera-pdrv",
902 .id = 0,
903 .dev = {
904 .platform_data = &mt9t111_link,
905 },
906 };
907
908 /* CEU0 */
909 static struct sh_mobile_ceu_info sh_mobile_ceu0_info = {
910 .flags = SH_CEU_FLAG_LOWER_8BIT,
911 };
912
913 static struct resource ceu0_resources[] = {
914 [0] = {
915 .name = "CEU",
916 .start = 0xfe910000,
917 .end = 0xfe91009f,
918 .flags = IORESOURCE_MEM,
919 },
920 [1] = {
921 .start = gic_spi(160),
922 .flags = IORESOURCE_IRQ,
923 },
924 [2] = {
925 /* place holder for contiguous memory */
926 },
927 };
928
929 static struct platform_device ceu0_device = {
930 .name = "sh_mobile_ceu",
931 .id = 0,
932 .num_resources = ARRAY_SIZE(ceu0_resources),
933 .resource = ceu0_resources,
934 .dev = {
935 .platform_data = &sh_mobile_ceu0_info,
936 .coherent_dma_mask = 0xffffffff,
937 },
938 };
939
940 /* FSI */
941 static struct sh_fsi_platform_info fsi_info = {
942 /* FSI-WM8978 */
943 .port_a = {
944 .tx_id = SHDMA_SLAVE_FSIA_TX,
945 },
946 /* FSI-HDMI */
947 .port_b = {
948 .flags = SH_FSI_FMT_SPDIF |
949 SH_FSI_ENABLE_STREAM_MODE |
950 SH_FSI_CLK_CPG,
951 .tx_id = SHDMA_SLAVE_FSIB_TX,
952 }
953 };
954
955 static struct resource fsi_resources[] = {
956 [0] = {
957 .name = "FSI",
958 .start = 0xfe1f0000,
959 .end = 0xfe1f8400 - 1,
960 .flags = IORESOURCE_MEM,
961 },
962 [1] = {
963 .start = gic_spi(9),
964 .flags = IORESOURCE_IRQ,
965 },
966 };
967
968 static struct platform_device fsi_device = {
969 .name = "sh_fsi2",
970 .id = -1,
971 .num_resources = ARRAY_SIZE(fsi_resources),
972 .resource = fsi_resources,
973 .dev = {
974 .platform_data = &fsi_info,
975 },
976 };
977
978 /* FSI-WM8978 */
979 static struct asoc_simple_card_info fsi_wm8978_info = {
980 .name = "wm8978",
981 .card = "FSI2A-WM8978",
982 .codec = "wm8978.0-001a",
983 .platform = "sh_fsi2",
984 .daifmt = SND_SOC_DAIFMT_I2S,
985 .cpu_dai = {
986 .name = "fsia-dai",
987 .fmt = SND_SOC_DAIFMT_CBS_CFS | SND_SOC_DAIFMT_IB_NF,
988 },
989 .codec_dai = {
990 .name = "wm8978-hifi",
991 .fmt = SND_SOC_DAIFMT_CBM_CFM | SND_SOC_DAIFMT_NB_NF,
992 .sysclk = 12288000,
993 },
994 };
995
996 static struct platform_device fsi_wm8978_device = {
997 .name = "asoc-simple-card",
998 .id = 0,
999 .dev = {
1000 .platform_data = &fsi_wm8978_info,
1001 },
1002 };
1003
1004 /* FSI-HDMI */
1005 static struct asoc_simple_card_info fsi2_hdmi_info = {
1006 .name = "HDMI",
1007 .card = "FSI2B-HDMI",
1008 .codec = "sh-mobile-hdmi",
1009 .platform = "sh_fsi2",
1010 .cpu_dai = {
1011 .name = "fsib-dai",
1012 .fmt = SND_SOC_DAIFMT_CBM_CFM,
1013 },
1014 .codec_dai = {
1015 .name = "sh_mobile_hdmi-hifi",
1016 },
1017 };
1018
1019 static struct platform_device fsi_hdmi_device = {
1020 .name = "asoc-simple-card",
1021 .id = 1,
1022 .dev = {
1023 .platform_data = &fsi2_hdmi_info,
1024 },
1025 };
1026
1027 /* RTC: RTC connects i2c-gpio. */
1028 static struct i2c_gpio_platform_data i2c_gpio_data = {
1029 .sda_pin = 208,
1030 .scl_pin = 91,
1031 .udelay = 5, /* 100 kHz */
1032 };
1033
1034 static struct platform_device i2c_gpio_device = {
1035 .name = "i2c-gpio",
1036 .id = 2,
1037 .dev = {
1038 .platform_data = &i2c_gpio_data,
1039 },
1040 };
1041
1042 /* I2C */
1043 static struct st1232_pdata st1232_i2c0_pdata = {
1044 .reset_gpio = 166,
1045 };
1046
1047 static struct i2c_board_info i2c0_devices[] = {
1048 {
1049 I2C_BOARD_INFO("st1232-ts", 0x55),
1050 .irq = irq_pin(10),
1051 .platform_data = &st1232_i2c0_pdata,
1052 },
1053 {
1054 I2C_BOARD_INFO("wm8978", 0x1a),
1055 },
1056 };
1057
1058 static struct i2c_board_info i2c2_devices[] = {
1059 {
1060 I2C_BOARD_INFO("s35390a", 0x30),
1061 .type = "s35390a",
1062 },
1063 };
1064
1065 /*
1066 * board devices
1067 */
1068 static struct platform_device *eva_devices[] __initdata = {
1069 &lcdc0_device,
1070 &pwm_device,
1071 &pwm_backlight_device,
1072 &gpio_keys_device,
1073 &sh_eth_device,
1074 &vcc_sdhi0,
1075 &vccq_sdhi0,
1076 &sdhi0_device,
1077 &sh_mmcif_device,
1078 &hdmi_device,
1079 &hdmi_lcdc_device,
1080 &camera_device,
1081 &ceu0_device,
1082 &fsi_device,
1083 &fsi_wm8978_device,
1084 &fsi_hdmi_device,
1085 &i2c_gpio_device,
1086 };
1087
1088 static const struct pinctrl_map eva_pinctrl_map[] = {
1089 /* CEU0 */
1090 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_ceu.0", "pfc-r8a7740",
1091 "ceu0_data_0_7", "ceu0"),
1092 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_ceu.0", "pfc-r8a7740",
1093 "ceu0_clk_0", "ceu0"),
1094 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_ceu.0", "pfc-r8a7740",
1095 "ceu0_sync", "ceu0"),
1096 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_ceu.0", "pfc-r8a7740",
1097 "ceu0_field", "ceu0"),
1098 /* FSIA */
1099 PIN_MAP_MUX_GROUP_DEFAULT("asoc-simple-card.0", "pfc-r8a7740",
1100 "fsia_sclk_in", "fsia"),
1101 PIN_MAP_MUX_GROUP_DEFAULT("asoc-simple-card.0", "pfc-r8a7740",
1102 "fsia_mclk_out", "fsia"),
1103 PIN_MAP_MUX_GROUP_DEFAULT("asoc-simple-card.0", "pfc-r8a7740",
1104 "fsia_data_in_1", "fsia"),
1105 PIN_MAP_MUX_GROUP_DEFAULT("asoc-simple-card.0", "pfc-r8a7740",
1106 "fsia_data_out_0", "fsia"),
1107 /* FSIB */
1108 PIN_MAP_MUX_GROUP_DEFAULT("asoc-simple-card.1", "pfc-r8a7740",
1109 "fsib_mclk_in", "fsib"),
1110 /* GETHER */
1111 PIN_MAP_MUX_GROUP_DEFAULT("sh-eth", "pfc-r8a7740",
1112 "gether_mii", "gether"),
1113 PIN_MAP_MUX_GROUP_DEFAULT("sh-eth", "pfc-r8a7740",
1114 "gether_int", "gether"),
1115 /* HDMI */
1116 PIN_MAP_MUX_GROUP_DEFAULT("sh-mobile-hdmi", "pfc-r8a7740",
1117 "hdmi", "hdmi"),
1118 /* LCD0 */
1119 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_lcdc_fb.0", "pfc-r8a7740",
1120 "lcd0_data24_0", "lcd0"),
1121 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_lcdc_fb.0", "pfc-r8a7740",
1122 "lcd0_lclk_1", "lcd0"),
1123 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_lcdc_fb.0", "pfc-r8a7740",
1124 "lcd0_sync", "lcd0"),
1125 /* MMCIF */
1126 PIN_MAP_MUX_GROUP_DEFAULT("sh_mmcif.0", "pfc-r8a7740",
1127 "mmc0_data8_1", "mmc0"),
1128 PIN_MAP_MUX_GROUP_DEFAULT("sh_mmcif.0", "pfc-r8a7740",
1129 "mmc0_ctrl_1", "mmc0"),
1130 /* SCIFA1 */
1131 PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.1", "pfc-r8a7740",
1132 "scifa1_data", "scifa1"),
1133 /* SDHI0 */
1134 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7740",
1135 "sdhi0_data4", "sdhi0"),
1136 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7740",
1137 "sdhi0_ctrl", "sdhi0"),
1138 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7740",
1139 "sdhi0_wp", "sdhi0"),
1140 /* ST1232 */
1141 PIN_MAP_MUX_GROUP_DEFAULT("0-0055", "pfc-r8a7740",
1142 "intc_irq10", "intc"),
1143 /* TPU0 */
1144 PIN_MAP_MUX_GROUP_DEFAULT("renesas-tpu-pwm", "pfc-r8a7740",
1145 "tpu0_to2_1", "tpu0"),
1146 /* USBHS */
1147 PIN_MAP_MUX_GROUP_DEFAULT("renesas_usbhs", "pfc-r8a7740",
1148 "intc_irq7_1", "intc"),
1149 };
1150
1151 static void __init eva_clock_init(void)
1152 {
1153 struct clk *system = clk_get(NULL, "system_clk");
1154 struct clk *xtal1 = clk_get(NULL, "extal1");
1155 struct clk *usb24s = clk_get(NULL, "usb24s");
1156 struct clk *fsibck = clk_get(NULL, "fsibck");
1157
1158 if (IS_ERR(system) ||
1159 IS_ERR(xtal1) ||
1160 IS_ERR(usb24s) ||
1161 IS_ERR(fsibck)) {
1162 pr_err("armadillo800eva board clock init failed\n");
1163 goto clock_error;
1164 }
1165
1166 /* armadillo 800 eva extal1 is 24MHz */
1167 clk_set_rate(xtal1, 24000000);
1168
1169 /* usb24s use extal1 (= system) clock (= 24MHz) */
1170 clk_set_parent(usb24s, system);
1171
1172 /* FSIBCK is 12.288MHz, and it is parent of FSI-B */
1173 clk_set_rate(fsibck, 12288000);
1174
1175 clock_error:
1176 if (!IS_ERR(system))
1177 clk_put(system);
1178 if (!IS_ERR(xtal1))
1179 clk_put(xtal1);
1180 if (!IS_ERR(usb24s))
1181 clk_put(usb24s);
1182 if (!IS_ERR(fsibck))
1183 clk_put(fsibck);
1184 }
1185
1186 /*
1187 * board init
1188 */
1189 #define GPIO_PORT7CR IOMEM(0xe6050007)
1190 #define GPIO_PORT8CR IOMEM(0xe6050008)
1191 static void __init eva_init(void)
1192 {
1193 struct platform_device *usb = NULL;
1194
1195 regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers,
1196 ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
1197
1198 pinctrl_register_mappings(eva_pinctrl_map, ARRAY_SIZE(eva_pinctrl_map));
1199 pwm_add_table(pwm_lookup, ARRAY_SIZE(pwm_lookup));
1200
1201 r8a7740_pinmux_init();
1202 r8a7740_meram_workaround();
1203
1204 /* LCDC0 */
1205 gpio_request_one(61, GPIOF_OUT_INIT_HIGH, NULL); /* LCDDON */
1206
1207 /* GETHER */
1208 gpio_request_one(18, GPIOF_OUT_INIT_HIGH, NULL); /* PHY_RST */
1209
1210 /* USB */
1211 gpio_request_one(159, GPIOF_IN, NULL); /* USB_DEVICE_MODE */
1212
1213 if (gpio_get_value(159)) {
1214 /* USB Host */
1215 } else {
1216 /* USB Func */
1217 /*
1218 * The USBHS interrupt handlers needs to read the IRQ pin value
1219 * (HI/LOW) to diffentiate USB connection and disconnection
1220 * events (usbhsf_get_vbus()). We thus need to select both the
1221 * intc_irq7_1 pin group and GPIO 209 here.
1222 */
1223 gpio_request_one(209, GPIOF_IN, NULL);
1224
1225 platform_device_register(&usbhsf_device);
1226 usb = &usbhsf_device;
1227 }
1228
1229 /* CON1/CON15 Camera */
1230 gpio_request_one(173, GPIOF_OUT_INIT_LOW, NULL); /* STANDBY */
1231 gpio_request_one(172, GPIOF_OUT_INIT_HIGH, NULL); /* RST */
1232 /* see mt9t111_power() */
1233 gpio_request_one(158, GPIOF_OUT_INIT_LOW, NULL); /* CAM_PON */
1234
1235 /* FSI-WM8978 */
1236 gpio_request(7, NULL);
1237 gpio_request(8, NULL);
1238 gpio_direction_none(GPIO_PORT7CR); /* FSIAOBT needs no direction */
1239 gpio_direction_none(GPIO_PORT8CR); /* FSIAOLR needs no direction */
1240
1241 /*
1242 * CAUTION
1243 *
1244 * DBGMD/LCDC0/FSIA MUX
1245 * DBGMD_SELECT_B should be set after setting PFC Function.
1246 */
1247 gpio_request_one(176, GPIOF_OUT_INIT_HIGH, NULL);
1248
1249 /*
1250 * We can switch CON8/CON14 by SW1.5,
1251 * but it needs after DBGMD_SELECT_B
1252 */
1253 gpio_request_one(6, GPIOF_IN, NULL);
1254 if (gpio_get_value(6)) {
1255 /* CON14 enable */
1256 } else {
1257 /* CON8 (SDHI1) enable */
1258 pinctrl_register_mappings(eva_sdhi1_pinctrl_map,
1259 ARRAY_SIZE(eva_sdhi1_pinctrl_map));
1260
1261 platform_device_register(&vcc_sdhi1);
1262 platform_device_register(&sdhi1_device);
1263 }
1264
1265
1266 #ifdef CONFIG_CACHE_L2X0
1267 /* Early BRESP enable, Shared attribute override enable, 32K*8way */
1268 l2x0_init(IOMEM(0xf0002000), 0x40440000, 0x82000fff);
1269 #endif
1270
1271 i2c_register_board_info(0, i2c0_devices, ARRAY_SIZE(i2c0_devices));
1272 i2c_register_board_info(2, i2c2_devices, ARRAY_SIZE(i2c2_devices));
1273
1274 r8a7740_add_standard_devices();
1275
1276 platform_add_devices(eva_devices,
1277 ARRAY_SIZE(eva_devices));
1278
1279 rmobile_add_device_to_domain("A4LC", &lcdc0_device);
1280 rmobile_add_device_to_domain("A4LC", &hdmi_lcdc_device);
1281 if (usb)
1282 rmobile_add_device_to_domain("A3SP", usb);
1283
1284 r8a7740_pm_init();
1285 }
1286
1287 static void __init eva_earlytimer_init(void)
1288 {
1289 r8a7740_clock_init(MD_CK0 | MD_CK2);
1290 shmobile_earlytimer_init();
1291
1292 /* the rate of extal1 clock must be set before late_time_init */
1293 eva_clock_init();
1294 }
1295
1296 static void __init eva_add_early_devices(void)
1297 {
1298 r8a7740_add_early_devices();
1299 }
1300
1301 #define RESCNT2 IOMEM(0xe6188020)
1302 static void eva_restart(enum reboot_mode mode, const char *cmd)
1303 {
1304 /* Do soft power on reset */
1305 writel((1 << 31), RESCNT2);
1306 }
1307
1308 static const char *eva_boards_compat_dt[] __initdata = {
1309 "renesas,armadillo800eva",
1310 NULL,
1311 };
1312
1313 DT_MACHINE_START(ARMADILLO800EVA_DT, "armadillo800eva")
1314 .map_io = r8a7740_map_io,
1315 .init_early = eva_add_early_devices,
1316 .init_irq = r8a7740_init_irq,
1317 .init_machine = eva_init,
1318 .init_late = shmobile_init_late,
1319 .init_time = eva_earlytimer_init,
1320 .dt_compat = eva_boards_compat_dt,
1321 .restart = eva_restart,
1322 MACHINE_END
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