projects / deliverable / linux.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
Merge tag 'acpi-video-3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael...
[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/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 <linux/reboot.h>
46 #include <mach/common.h>
47 #include <mach/irqs.h>
48 #include <mach/r8a7740.h>
49 #include <media/mt9t112.h>
50 #include <media/sh_mobile_ceu.h>
51 #include <media/soc_camera.h>
52 #include <asm/page.h>
53 #include <asm/mach-types.h>
54 #include <asm/mach/arch.h>
55 #include <asm/mach/map.h>
56 #include <asm/mach/time.h>
57 #include <asm/hardware/cache-l2x0.h>
58 #include <video/sh_mobile_lcdc.h>
59 #include <video/sh_mobile_hdmi.h>
60 #include <sound/sh_fsi.h>
61 #include <sound/simple_card.h>
62
63 #include "sh-gpio.h"
64
65 /*
66 * CON1 Camera Module
67 * CON2 Extension Bus
68 * CON3 HDMI Output
69 * CON4 Composite Video Output
70 * CON5 H-UDI JTAG
71 * CON6 ARM JTAG
72 * CON7 SD1
73 * CON8 SD2
74 * CON9 RTC BackUp
75 * CON10 Monaural Mic Input
76 * CON11 Stereo Headphone Output
77 * CON12 Audio Line Output(L)
78 * CON13 Audio Line Output(R)
79 * CON14 AWL13 Module
80 * CON15 Extension
81 * CON16 LCD1
82 * CON17 LCD2
83 * CON19 Power Input
84 * CON20 USB1
85 * CON21 USB2
86 * CON22 Serial
87 * CON23 LAN
88 * CON24 USB3
89 * LED1 Camera LED(Yellow)
90 * LED2 Power LED (Green)
91 * ED3-LED6 User LED(Yellow)
92 * LED7 LAN link LED(Green)
93 * LED8 LAN activity LED(Yellow)
94 */
95
96 /*
97 * DipSwitch
98 *
99 * SW1
100 *
101 * -12345678-+---------------+----------------------------
102 * 1 | boot | hermit
103 * 0 | boot | OS auto boot
104 * -12345678-+---------------+----------------------------
105 * 00 | boot device | eMMC
106 * 10 | boot device | SDHI0 (CON7)
107 * 01 | boot device | -
108 * 11 | boot device | Extension Buss (CS0)
109 * -12345678-+---------------+----------------------------
110 * 0 | Extension Bus | D8-D15 disable, eMMC enable
111 * 1 | Extension Bus | D8-D15 enable, eMMC disable
112 * -12345678-+---------------+----------------------------
113 * 0 | SDHI1 | COM8 disable, COM14 enable
114 * 1 | SDHI1 | COM8 enable, COM14 disable
115 * -12345678-+---------------+----------------------------
116 * 0 | USB0 | COM20 enable, COM24 disable
117 * 1 | USB0 | COM20 disable, COM24 enable
118 * -12345678-+---------------+----------------------------
119 * 00 | JTAG | SH-X2
120 * 10 | JTAG | ARM
121 * 01 | JTAG | -
122 * 11 | JTAG | Boundary Scan
123 *-----------+---------------+----------------------------
124 */
125
126 /*
127 * FSI-WM8978
128 *
129 * this command is required when playback.
130 *
131 * # amixer set "Headphone" 50
132 *
133 * this command is required when capture.
134 *
135 * # amixer set "Input PGA" 15
136 * # amixer set "Left Input Mixer MicP" on
137 * # amixer set "Left Input Mixer MicN" on
138 * # amixer set "Right Input Mixer MicN" on
139 * # amixer set "Right Input Mixer MicP" on
140 */
141
142 /*
143 * USB function
144 *
145 * When you use USB Function,
146 * set SW1.6 ON, and connect cable to CN24.
147 *
148 * USBF needs workaround on R8A7740 chip.
149 * These are a little bit complex.
150 * see
151 * usbhsf_power_ctrl()
152 */
153 #define IRQ7 irq_pin(7)
154 #define USBCR1 IOMEM(0xe605810a)
155 #define USBH 0xC6700000
156 #define USBH_USBCTR 0x10834
157
158 struct usbhsf_private {
159 struct clk *phy;
160 struct clk *usb24;
161 struct clk *pci;
162 struct clk *func;
163 struct clk *host;
164 void __iomem *usbh_base;
165 struct renesas_usbhs_platform_info info;
166 };
167
168 #define usbhsf_get_priv(pdev) \
169 container_of(renesas_usbhs_get_info(pdev), \
170 struct usbhsf_private, info)
171
172 static int usbhsf_get_id(struct platform_device *pdev)
173 {
174 return USBHS_GADGET;
175 }
176
177 static int usbhsf_power_ctrl(struct platform_device *pdev,
178 void __iomem *base, int enable)
179 {
180 struct usbhsf_private *priv = usbhsf_get_priv(pdev);
181
182 /*
183 * Work around for USB Function.
184 * It needs USB host clock, and settings
185 */
186 if (enable) {
187 /*
188 * enable all the related usb clocks
189 * for usb workaround
190 */
191 clk_enable(priv->usb24);
192 clk_enable(priv->pci);
193 clk_enable(priv->host);
194 clk_enable(priv->func);
195 clk_enable(priv->phy);
196
197 /*
198 * set USBCR1
199 *
200 * Port1 is driven by USB function,
201 * Port2 is driven by USB HOST
202 * One HOST (Port1 or Port2 is HOST)
203 * USB PLL input clock = 24MHz
204 */
205 __raw_writew(0xd750, USBCR1);
206 mdelay(1);
207
208 /*
209 * start USB Host
210 */
211 __raw_writel(0x0000000c, priv->usbh_base + USBH_USBCTR);
212 __raw_writel(0x00000008, priv->usbh_base + USBH_USBCTR);
213 mdelay(10);
214
215 /*
216 * USB PHY Power ON
217 */
218 __raw_writew(0xd770, USBCR1);
219 __raw_writew(0x4000, base + 0x102); /* USBF :: SUSPMODE */
220
221 } else {
222 __raw_writel(0x0000010f, priv->usbh_base + USBH_USBCTR);
223 __raw_writew(0xd7c0, USBCR1); /* GPIO */
224
225 clk_disable(priv->phy);
226 clk_disable(priv->func); /* usb work around */
227 clk_disable(priv->host); /* usb work around */
228 clk_disable(priv->pci); /* usb work around */
229 clk_disable(priv->usb24); /* usb work around */
230 }
231
232 return 0;
233 }
234
235 static int usbhsf_get_vbus(struct platform_device *pdev)
236 {
237 return gpio_get_value(209);
238 }
239
240 static irqreturn_t usbhsf_interrupt(int irq, void *data)
241 {
242 struct platform_device *pdev = data;
243
244 renesas_usbhs_call_notify_hotplug(pdev);
245
246 return IRQ_HANDLED;
247 }
248
249 static int usbhsf_hardware_exit(struct platform_device *pdev)
250 {
251 struct usbhsf_private *priv = usbhsf_get_priv(pdev);
252
253 if (!IS_ERR(priv->phy))
254 clk_put(priv->phy);
255 if (!IS_ERR(priv->usb24))
256 clk_put(priv->usb24);
257 if (!IS_ERR(priv->pci))
258 clk_put(priv->pci);
259 if (!IS_ERR(priv->host))
260 clk_put(priv->host);
261 if (!IS_ERR(priv->func))
262 clk_put(priv->func);
263 if (priv->usbh_base)
264 iounmap(priv->usbh_base);
265
266 priv->phy = NULL;
267 priv->usb24 = NULL;
268 priv->pci = NULL;
269 priv->host = NULL;
270 priv->func = NULL;
271 priv->usbh_base = NULL;
272
273 free_irq(IRQ7, pdev);
274
275 return 0;
276 }
277
278 static int usbhsf_hardware_init(struct platform_device *pdev)
279 {
280 struct usbhsf_private *priv = usbhsf_get_priv(pdev);
281 int ret;
282
283 priv->phy = clk_get(&pdev->dev, "phy");
284 priv->usb24 = clk_get(&pdev->dev, "usb24");
285 priv->pci = clk_get(&pdev->dev, "pci");
286 priv->func = clk_get(&pdev->dev, "func");
287 priv->host = clk_get(&pdev->dev, "host");
288 priv->usbh_base = ioremap_nocache(USBH, 0x20000);
289
290 if (IS_ERR(priv->phy) ||
291 IS_ERR(priv->usb24) ||
292 IS_ERR(priv->pci) ||
293 IS_ERR(priv->host) ||
294 IS_ERR(priv->func) ||
295 !priv->usbh_base) {
296 dev_err(&pdev->dev, "USB clock setting failed\n");
297 usbhsf_hardware_exit(pdev);
298 return -EIO;
299 }
300
301 ret = request_irq(IRQ7, usbhsf_interrupt, IRQF_TRIGGER_NONE,
302 dev_name(&pdev->dev), pdev);
303 if (ret) {
304 dev_err(&pdev->dev, "request_irq err\n");
305 return ret;
306 }
307 irq_set_irq_type(IRQ7, IRQ_TYPE_EDGE_BOTH);
308
309 /* usb24 use 1/1 of parent clock (= usb24s = 24MHz) */
310 clk_set_rate(priv->usb24,
311 clk_get_rate(clk_get_parent(priv->usb24)));
312
313 return 0;
314 }
315
316 static struct usbhsf_private usbhsf_private = {
317 .info = {
318 .platform_callback = {
319 .get_id = usbhsf_get_id,
320 .get_vbus = usbhsf_get_vbus,
321 .hardware_init = usbhsf_hardware_init,
322 .hardware_exit = usbhsf_hardware_exit,
323 .power_ctrl = usbhsf_power_ctrl,
324 },
325 .driver_param = {
326 .buswait_bwait = 5,
327 .detection_delay = 5,
328 .d0_rx_id = SHDMA_SLAVE_USBHS_RX,
329 .d1_tx_id = SHDMA_SLAVE_USBHS_TX,
330 },
331 }
332 };
333
334 static struct resource usbhsf_resources[] = {
335 {
336 .name = "USBHS",
337 .start = 0xe6890000,
338 .end = 0xe6890104 - 1,
339 .flags = IORESOURCE_MEM,
340 },
341 {
342 .start = gic_spi(51),
343 .flags = IORESOURCE_IRQ,
344 },
345 };
346
347 static struct platform_device usbhsf_device = {
348 .name = "renesas_usbhs",
349 .dev = {
350 .platform_data = &usbhsf_private.info,
351 },
352 .id = -1,
353 .num_resources = ARRAY_SIZE(usbhsf_resources),
354 .resource = usbhsf_resources,
355 };
356
357 /* Ether */
358 static struct sh_eth_plat_data sh_eth_platdata = {
359 .phy = 0x00, /* LAN8710A */
360 .edmac_endian = EDMAC_LITTLE_ENDIAN,
361 .register_type = SH_ETH_REG_GIGABIT,
362 .phy_interface = PHY_INTERFACE_MODE_MII,
363 };
364
365 static struct resource sh_eth_resources[] = {
366 {
367 .start = 0xe9a00000,
368 .end = 0xe9a00800 - 1,
369 .flags = IORESOURCE_MEM,
370 }, {
371 .start = 0xe9a01800,
372 .end = 0xe9a02000 - 1,
373 .flags = IORESOURCE_MEM,
374 }, {
375 .start = gic_spi(110),
376 .flags = IORESOURCE_IRQ,
377 },
378 };
379
380 static struct platform_device sh_eth_device = {
381 .name = "r8a7740-gether",
382 .id = -1,
383 .dev = {
384 .platform_data = &sh_eth_platdata,
385 },
386 .resource = sh_eth_resources,
387 .num_resources = ARRAY_SIZE(sh_eth_resources),
388 };
389
390 /* LCDC */
391 static struct fb_videomode lcdc0_mode = {
392 .name = "AMPIER/AM-800480",
393 .xres = 800,
394 .yres = 480,
395 .left_margin = 88,
396 .right_margin = 40,
397 .hsync_len = 128,
398 .upper_margin = 20,
399 .lower_margin = 5,
400 .vsync_len = 5,
401 .sync = 0,
402 };
403
404 static struct sh_mobile_lcdc_info lcdc0_info = {
405 .clock_source = LCDC_CLK_BUS,
406 .ch[0] = {
407 .chan = LCDC_CHAN_MAINLCD,
408 .fourcc = V4L2_PIX_FMT_RGB565,
409 .interface_type = RGB24,
410 .clock_divider = 5,
411 .flags = 0,
412 .lcd_modes = &lcdc0_mode,
413 .num_modes = 1,
414 .panel_cfg = {
415 .width = 111,
416 .height = 68,
417 },
418 },
419 };
420
421 static struct resource lcdc0_resources[] = {
422 [0] = {
423 .name = "LCD0",
424 .start = 0xfe940000,
425 .end = 0xfe943fff,
426 .flags = IORESOURCE_MEM,
427 },
428 [1] = {
429 .start = gic_spi(177),
430 .flags = IORESOURCE_IRQ,
431 },
432 };
433
434 static struct platform_device lcdc0_device = {
435 .name = "sh_mobile_lcdc_fb",
436 .num_resources = ARRAY_SIZE(lcdc0_resources),
437 .resource = lcdc0_resources,
438 .id = 0,
439 .dev = {
440 .platform_data = &lcdc0_info,
441 .coherent_dma_mask = ~0,
442 },
443 };
444
445 /*
446 * LCDC1/HDMI
447 */
448 static struct sh_mobile_hdmi_info hdmi_info = {
449 .flags = HDMI_OUTPUT_PUSH_PULL |
450 HDMI_OUTPUT_POLARITY_HI |
451 HDMI_32BIT_REG |
452 HDMI_HAS_HTOP1 |
453 HDMI_SND_SRC_SPDIF,
454 };
455
456 static struct resource hdmi_resources[] = {
457 [0] = {
458 .name = "HDMI",
459 .start = 0xe6be0000,
460 .end = 0xe6be03ff,
461 .flags = IORESOURCE_MEM,
462 },
463 [1] = {
464 .start = gic_spi(131),
465 .flags = IORESOURCE_IRQ,
466 },
467 [2] = {
468 .name = "HDMI emma3pf",
469 .start = 0xe6be4000,
470 .end = 0xe6be43ff,
471 .flags = IORESOURCE_MEM,
472 },
473 };
474
475 static struct platform_device hdmi_device = {
476 .name = "sh-mobile-hdmi",
477 .num_resources = ARRAY_SIZE(hdmi_resources),
478 .resource = hdmi_resources,
479 .id = -1,
480 .dev = {
481 .platform_data = &hdmi_info,
482 },
483 };
484
485 static const struct fb_videomode lcdc1_mode = {
486 .name = "HDMI 720p",
487 .xres = 1280,
488 .yres = 720,
489 .pixclock = 13468,
490 .left_margin = 220,
491 .right_margin = 110,
492 .hsync_len = 40,
493 .upper_margin = 20,
494 .lower_margin = 5,
495 .vsync_len = 5,
496 .refresh = 60,
497 .sync = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT,
498 };
499
500 static struct sh_mobile_lcdc_info hdmi_lcdc_info = {
501 .clock_source = LCDC_CLK_PERIPHERAL, /* HDMI clock */
502 .ch[0] = {
503 .chan = LCDC_CHAN_MAINLCD,
504 .fourcc = V4L2_PIX_FMT_RGB565,
505 .interface_type = RGB24,
506 .clock_divider = 1,
507 .flags = LCDC_FLAGS_DWPOL,
508 .lcd_modes = &lcdc1_mode,
509 .num_modes = 1,
510 .tx_dev = &hdmi_device,
511 .panel_cfg = {
512 .width = 1280,
513 .height = 720,
514 },
515 },
516 };
517
518 static struct resource hdmi_lcdc_resources[] = {
519 [0] = {
520 .name = "LCDC1",
521 .start = 0xfe944000,
522 .end = 0xfe948000 - 1,
523 .flags = IORESOURCE_MEM,
524 },
525 [1] = {
526 .start = gic_spi(178),
527 .flags = IORESOURCE_IRQ,
528 },
529 };
530
531 static struct platform_device hdmi_lcdc_device = {
532 .name = "sh_mobile_lcdc_fb",
533 .num_resources = ARRAY_SIZE(hdmi_lcdc_resources),
534 .resource = hdmi_lcdc_resources,
535 .id = 1,
536 .dev = {
537 .platform_data = &hdmi_lcdc_info,
538 .coherent_dma_mask = ~0,
539 },
540 };
541
542 /* GPIO KEY */
543 #define GPIO_KEY(c, g, d, ...) \
544 { .code = c, .gpio = g, .desc = d, .active_low = 1, __VA_ARGS__ }
545
546 static struct gpio_keys_button gpio_buttons[] = {
547 GPIO_KEY(KEY_POWER, 99, "SW3", .wakeup = 1),
548 GPIO_KEY(KEY_BACK, 100, "SW4"),
549 GPIO_KEY(KEY_MENU, 97, "SW5"),
550 GPIO_KEY(KEY_HOME, 98, "SW6"),
551 };
552
553 static struct gpio_keys_platform_data gpio_key_info = {
554 .buttons = gpio_buttons,
555 .nbuttons = ARRAY_SIZE(gpio_buttons),
556 };
557
558 static struct platform_device gpio_keys_device = {
559 .name = "gpio-keys",
560 .id = -1,
561 .dev = {
562 .platform_data = &gpio_key_info,
563 },
564 };
565
566 /* Fixed 3.3V regulator to be used by SDHI1, MMCIF */
567 static struct regulator_consumer_supply fixed3v3_power_consumers[] = {
568 REGULATOR_SUPPLY("vmmc", "sh_mmcif"),
569 REGULATOR_SUPPLY("vqmmc", "sh_mmcif"),
570 };
571
572 /* Fixed 3.3V regulator to be used by SDHI0 */
573 static struct regulator_consumer_supply vcc_sdhi0_consumers[] = {
574 REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
575 };
576
577 static struct regulator_init_data vcc_sdhi0_init_data = {
578 .constraints = {
579 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
580 },
581 .num_consumer_supplies = ARRAY_SIZE(vcc_sdhi0_consumers),
582 .consumer_supplies = vcc_sdhi0_consumers,
583 };
584
585 static struct fixed_voltage_config vcc_sdhi0_info = {
586 .supply_name = "SDHI0 Vcc",
587 .microvolts = 3300000,
588 .gpio = 75,
589 .enable_high = 1,
590 .init_data = &vcc_sdhi0_init_data,
591 };
592
593 static struct platform_device vcc_sdhi0 = {
594 .name = "reg-fixed-voltage",
595 .id = 1,
596 .dev = {
597 .platform_data = &vcc_sdhi0_info,
598 },
599 };
600
601 /* 1.8 / 3.3V SDHI0 VccQ regulator */
602 static struct regulator_consumer_supply vccq_sdhi0_consumers[] = {
603 REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
604 };
605
606 static struct regulator_init_data vccq_sdhi0_init_data = {
607 .constraints = {
608 .input_uV = 3300000,
609 .min_uV = 1800000,
610 .max_uV = 3300000,
611 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
612 REGULATOR_CHANGE_STATUS,
613 },
614 .num_consumer_supplies = ARRAY_SIZE(vccq_sdhi0_consumers),
615 .consumer_supplies = vccq_sdhi0_consumers,
616 };
617
618 static struct gpio vccq_sdhi0_gpios[] = {
619 {17, GPIOF_OUT_INIT_LOW, "vccq-sdhi0" },
620 };
621
622 static struct gpio_regulator_state vccq_sdhi0_states[] = {
623 { .value = 3300000, .gpios = (0 << 0) },
624 { .value = 1800000, .gpios = (1 << 0) },
625 };
626
627 static struct gpio_regulator_config vccq_sdhi0_info = {
628 .supply_name = "vqmmc",
629
630 .enable_gpio = 74,
631 .enable_high = 1,
632 .enabled_at_boot = 0,
633
634 .gpios = vccq_sdhi0_gpios,
635 .nr_gpios = ARRAY_SIZE(vccq_sdhi0_gpios),
636
637 .states = vccq_sdhi0_states,
638 .nr_states = ARRAY_SIZE(vccq_sdhi0_states),
639
640 .type = REGULATOR_VOLTAGE,
641 .init_data = &vccq_sdhi0_init_data,
642 };
643
644 static struct platform_device vccq_sdhi0 = {
645 .name = "gpio-regulator",
646 .id = -1,
647 .dev = {
648 .platform_data = &vccq_sdhi0_info,
649 },
650 };
651
652 /* Fixed 3.3V regulator to be used by SDHI1 */
653 static struct regulator_consumer_supply vcc_sdhi1_consumers[] = {
654 REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.1"),
655 };
656
657 static struct regulator_init_data vcc_sdhi1_init_data = {
658 .constraints = {
659 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
660 },
661 .num_consumer_supplies = ARRAY_SIZE(vcc_sdhi1_consumers),
662 .consumer_supplies = vcc_sdhi1_consumers,
663 };
664
665 static struct fixed_voltage_config vcc_sdhi1_info = {
666 .supply_name = "SDHI1 Vcc",
667 .microvolts = 3300000,
668 .gpio = 16,
669 .enable_high = 1,
670 .init_data = &vcc_sdhi1_init_data,
671 };
672
673 static struct platform_device vcc_sdhi1 = {
674 .name = "reg-fixed-voltage",
675 .id = 2,
676 .dev = {
677 .platform_data = &vcc_sdhi1_info,
678 },
679 };
680
681 /* SDHI0 */
682 /*
683 * FIXME
684 *
685 * It use polling mode here, since
686 * CD (= Card Detect) pin is not connected to SDHI0_CD.
687 * We can use IRQ31 as card detect irq,
688 * but it needs chattering removal operation
689 */
690 #define IRQ31 irq_pin(31)
691 static struct sh_mobile_sdhi_info sdhi0_info = {
692 .dma_slave_tx = SHDMA_SLAVE_SDHI0_TX,
693 .dma_slave_rx = SHDMA_SLAVE_SDHI0_RX,
694 .tmio_caps = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ |
695 MMC_CAP_POWER_OFF_CARD,
696 .tmio_flags = TMIO_MMC_HAS_IDLE_WAIT | TMIO_MMC_USE_GPIO_CD,
697 .cd_gpio = 167,
698 };
699
700 static struct resource sdhi0_resources[] = {
701 {
702 .name = "SDHI0",
703 .start = 0xe6850000,
704 .end = 0xe6850100 - 1,
705 .flags = IORESOURCE_MEM,
706 },
707 /*
708 * no SH_MOBILE_SDHI_IRQ_CARD_DETECT here
709 */
710 {
711 .name = SH_MOBILE_SDHI_IRQ_SDCARD,
712 .start = gic_spi(118),
713 .flags = IORESOURCE_IRQ,
714 },
715 {
716 .name = SH_MOBILE_SDHI_IRQ_SDIO,
717 .start = gic_spi(119),
718 .flags = IORESOURCE_IRQ,
719 },
720 };
721
722 static struct platform_device sdhi0_device = {
723 .name = "sh_mobile_sdhi",
724 .id = 0,
725 .dev = {
726 .platform_data = &sdhi0_info,
727 },
728 .num_resources = ARRAY_SIZE(sdhi0_resources),
729 .resource = sdhi0_resources,
730 };
731
732 /* SDHI1 */
733 static struct sh_mobile_sdhi_info sdhi1_info = {
734 .dma_slave_tx = SHDMA_SLAVE_SDHI1_TX,
735 .dma_slave_rx = SHDMA_SLAVE_SDHI1_RX,
736 .tmio_caps = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ |
737 MMC_CAP_POWER_OFF_CARD,
738 .tmio_flags = TMIO_MMC_HAS_IDLE_WAIT | TMIO_MMC_USE_GPIO_CD,
739 /* Port72 cannot generate IRQs, will be used in polling mode. */
740 .cd_gpio = 72,
741 };
742
743 static struct resource sdhi1_resources[] = {
744 [0] = {
745 .name = "SDHI1",
746 .start = 0xe6860000,
747 .end = 0xe6860100 - 1,
748 .flags = IORESOURCE_MEM,
749 },
750 [1] = {
751 .start = gic_spi(121),
752 .flags = IORESOURCE_IRQ,
753 },
754 [2] = {
755 .start = gic_spi(122),
756 .flags = IORESOURCE_IRQ,
757 },
758 [3] = {
759 .start = gic_spi(123),
760 .flags = IORESOURCE_IRQ,
761 },
762 };
763
764 static struct platform_device sdhi1_device = {
765 .name = "sh_mobile_sdhi",
766 .id = 1,
767 .dev = {
768 .platform_data = &sdhi1_info,
769 },
770 .num_resources = ARRAY_SIZE(sdhi1_resources),
771 .resource = sdhi1_resources,
772 };
773
774 static const struct pinctrl_map eva_sdhi1_pinctrl_map[] = {
775 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.1", "pfc-r8a7740",
776 "sdhi1_data4", "sdhi1"),
777 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.1", "pfc-r8a7740",
778 "sdhi1_ctrl", "sdhi1"),
779 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.1", "pfc-r8a7740",
780 "sdhi1_cd", "sdhi1"),
781 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.1", "pfc-r8a7740",
782 "sdhi1_wp", "sdhi1"),
783 };
784
785 /* MMCIF */
786 static struct sh_mmcif_plat_data sh_mmcif_plat = {
787 .sup_pclk = 0,
788 .caps = MMC_CAP_4_BIT_DATA |
789 MMC_CAP_8_BIT_DATA |
790 MMC_CAP_NONREMOVABLE,
791 };
792
793 static struct resource sh_mmcif_resources[] = {
794 [0] = {
795 .name = "MMCIF",
796 .start = 0xe6bd0000,
797 .end = 0xe6bd0100 - 1,
798 .flags = IORESOURCE_MEM,
799 },
800 [1] = {
801 /* MMC ERR */
802 .start = gic_spi(56),
803 .flags = IORESOURCE_IRQ,
804 },
805 [2] = {
806 /* MMC NOR */
807 .start = gic_spi(57),
808 .flags = IORESOURCE_IRQ,
809 },
810 };
811
812 static struct platform_device sh_mmcif_device = {
813 .name = "sh_mmcif",
814 .id = -1,
815 .dev = {
816 .platform_data = &sh_mmcif_plat,
817 },
818 .num_resources = ARRAY_SIZE(sh_mmcif_resources),
819 .resource = sh_mmcif_resources,
820 };
821
822 /* Camera */
823 static int mt9t111_power(struct device *dev, int mode)
824 {
825 struct clk *mclk = clk_get(NULL, "video1");
826
827 if (IS_ERR(mclk)) {
828 dev_err(dev, "can't get video1 clock\n");
829 return -EINVAL;
830 }
831
832 if (mode) {
833 /* video1 (= CON1 camera) expect 24MHz */
834 clk_set_rate(mclk, clk_round_rate(mclk, 24000000));
835 clk_enable(mclk);
836 gpio_set_value(158, 1);
837 } else {
838 gpio_set_value(158, 0);
839 clk_disable(mclk);
840 }
841
842 clk_put(mclk);
843
844 return 0;
845 }
846
847 static struct i2c_board_info i2c_camera_mt9t111 = {
848 I2C_BOARD_INFO("mt9t112", 0x3d),
849 };
850
851 static struct mt9t112_camera_info mt9t111_info = {
852 .divider = { 16, 0, 0, 7, 0, 10, 14, 7, 7 },
853 };
854
855 static struct soc_camera_link mt9t111_link = {
856 .i2c_adapter_id = 0,
857 .bus_id = 0,
858 .board_info = &i2c_camera_mt9t111,
859 .power = mt9t111_power,
860 .priv = &mt9t111_info,
861 };
862
863 static struct platform_device camera_device = {
864 .name = "soc-camera-pdrv",
865 .id = 0,
866 .dev = {
867 .platform_data = &mt9t111_link,
868 },
869 };
870
871 /* CEU0 */
872 static struct sh_mobile_ceu_info sh_mobile_ceu0_info = {
873 .flags = SH_CEU_FLAG_LOWER_8BIT,
874 };
875
876 static struct resource ceu0_resources[] = {
877 [0] = {
878 .name = "CEU",
879 .start = 0xfe910000,
880 .end = 0xfe91009f,
881 .flags = IORESOURCE_MEM,
882 },
883 [1] = {
884 .start = gic_spi(160),
885 .flags = IORESOURCE_IRQ,
886 },
887 [2] = {
888 /* place holder for contiguous memory */
889 },
890 };
891
892 static struct platform_device ceu0_device = {
893 .name = "sh_mobile_ceu",
894 .id = 0,
895 .num_resources = ARRAY_SIZE(ceu0_resources),
896 .resource = ceu0_resources,
897 .dev = {
898 .platform_data = &sh_mobile_ceu0_info,
899 .coherent_dma_mask = 0xffffffff,
900 },
901 };
902
903 /* FSI */
904 static struct sh_fsi_platform_info fsi_info = {
905 /* FSI-WM8978 */
906 .port_a = {
907 .tx_id = SHDMA_SLAVE_FSIA_TX,
908 },
909 /* FSI-HDMI */
910 .port_b = {
911 .flags = SH_FSI_FMT_SPDIF |
912 SH_FSI_ENABLE_STREAM_MODE |
913 SH_FSI_CLK_CPG,
914 .tx_id = SHDMA_SLAVE_FSIB_TX,
915 }
916 };
917
918 static struct resource fsi_resources[] = {
919 [0] = {
920 .name = "FSI",
921 .start = 0xfe1f0000,
922 .end = 0xfe1f8400 - 1,
923 .flags = IORESOURCE_MEM,
924 },
925 [1] = {
926 .start = gic_spi(9),
927 .flags = IORESOURCE_IRQ,
928 },
929 };
930
931 static struct platform_device fsi_device = {
932 .name = "sh_fsi2",
933 .id = -1,
934 .num_resources = ARRAY_SIZE(fsi_resources),
935 .resource = fsi_resources,
936 .dev = {
937 .platform_data = &fsi_info,
938 },
939 };
940
941 /* FSI-WM8978 */
942 static struct asoc_simple_card_info fsi_wm8978_info = {
943 .name = "wm8978",
944 .card = "FSI2A-WM8978",
945 .codec = "wm8978.0-001a",
946 .platform = "sh_fsi2",
947 .daifmt = SND_SOC_DAIFMT_I2S,
948 .cpu_dai = {
949 .name = "fsia-dai",
950 .fmt = SND_SOC_DAIFMT_CBS_CFS | SND_SOC_DAIFMT_IB_NF,
951 },
952 .codec_dai = {
953 .name = "wm8978-hifi",
954 .fmt = SND_SOC_DAIFMT_CBM_CFM | SND_SOC_DAIFMT_NB_NF,
955 .sysclk = 12288000,
956 },
957 };
958
959 static struct platform_device fsi_wm8978_device = {
960 .name = "asoc-simple-card",
961 .id = 0,
962 .dev = {
963 .platform_data = &fsi_wm8978_info,
964 },
965 };
966
967 /* FSI-HDMI */
968 static struct asoc_simple_card_info fsi2_hdmi_info = {
969 .name = "HDMI",
970 .card = "FSI2B-HDMI",
971 .codec = "sh-mobile-hdmi",
972 .platform = "sh_fsi2",
973 .cpu_dai = {
974 .name = "fsib-dai",
975 .fmt = SND_SOC_DAIFMT_CBM_CFM,
976 },
977 .codec_dai = {
978 .name = "sh_mobile_hdmi-hifi",
979 },
980 };
981
982 static struct platform_device fsi_hdmi_device = {
983 .name = "asoc-simple-card",
984 .id = 1,
985 .dev = {
986 .platform_data = &fsi2_hdmi_info,
987 },
988 };
989
990 /* RTC: RTC connects i2c-gpio. */
991 static struct i2c_gpio_platform_data i2c_gpio_data = {
992 .sda_pin = 208,
993 .scl_pin = 91,
994 .udelay = 5, /* 100 kHz */
995 };
996
997 static struct platform_device i2c_gpio_device = {
998 .name = "i2c-gpio",
999 .id = 2,
1000 .dev = {
1001 .platform_data = &i2c_gpio_data,
1002 },
1003 };
1004
1005 /* I2C */
1006 static struct st1232_pdata st1232_i2c0_pdata = {
1007 .reset_gpio = 166,
1008 };
1009
1010 static struct i2c_board_info i2c0_devices[] = {
1011 {
1012 I2C_BOARD_INFO("st1232-ts", 0x55),
1013 .irq = irq_pin(10),
1014 .platform_data = &st1232_i2c0_pdata,
1015 },
1016 {
1017 I2C_BOARD_INFO("wm8978", 0x1a),
1018 },
1019 };
1020
1021 static struct i2c_board_info i2c2_devices[] = {
1022 {
1023 I2C_BOARD_INFO("s35390a", 0x30),
1024 .type = "s35390a",
1025 },
1026 };
1027
1028 /*
1029 * board devices
1030 */
1031 static struct platform_device *eva_devices[] __initdata = {
1032 &lcdc0_device,
1033 &gpio_keys_device,
1034 &sh_eth_device,
1035 &vcc_sdhi0,
1036 &vccq_sdhi0,
1037 &sdhi0_device,
1038 &sh_mmcif_device,
1039 &hdmi_device,
1040 &hdmi_lcdc_device,
1041 &camera_device,
1042 &ceu0_device,
1043 &fsi_device,
1044 &fsi_wm8978_device,
1045 &fsi_hdmi_device,
1046 &i2c_gpio_device,
1047 };
1048
1049 static const struct pinctrl_map eva_pinctrl_map[] = {
1050 /* CEU0 */
1051 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_ceu.0", "pfc-r8a7740",
1052 "ceu0_data_0_7", "ceu0"),
1053 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_ceu.0", "pfc-r8a7740",
1054 "ceu0_clk_0", "ceu0"),
1055 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_ceu.0", "pfc-r8a7740",
1056 "ceu0_sync", "ceu0"),
1057 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_ceu.0", "pfc-r8a7740",
1058 "ceu0_field", "ceu0"),
1059 /* FSIA */
1060 PIN_MAP_MUX_GROUP_DEFAULT("asoc-simple-card.0", "pfc-r8a7740",
1061 "fsia_sclk_in", "fsia"),
1062 PIN_MAP_MUX_GROUP_DEFAULT("asoc-simple-card.0", "pfc-r8a7740",
1063 "fsia_mclk_out", "fsia"),
1064 PIN_MAP_MUX_GROUP_DEFAULT("asoc-simple-card.0", "pfc-r8a7740",
1065 "fsia_data_in_1", "fsia"),
1066 PIN_MAP_MUX_GROUP_DEFAULT("asoc-simple-card.0", "pfc-r8a7740",
1067 "fsia_data_out_0", "fsia"),
1068 /* FSIB */
1069 PIN_MAP_MUX_GROUP_DEFAULT("asoc-simple-card.1", "pfc-r8a7740",
1070 "fsib_mclk_in", "fsib"),
1071 /* GETHER */
1072 PIN_MAP_MUX_GROUP_DEFAULT("sh-eth", "pfc-r8a7740",
1073 "gether_mii", "gether"),
1074 PIN_MAP_MUX_GROUP_DEFAULT("sh-eth", "pfc-r8a7740",
1075 "gether_int", "gether"),
1076 /* HDMI */
1077 PIN_MAP_MUX_GROUP_DEFAULT("sh-mobile-hdmi", "pfc-r8a7740",
1078 "hdmi", "hdmi"),
1079 /* LCD0 */
1080 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_lcdc_fb.0", "pfc-r8a7740",
1081 "lcd0_data24_0", "lcd0"),
1082 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_lcdc_fb.0", "pfc-r8a7740",
1083 "lcd0_lclk_1", "lcd0"),
1084 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_lcdc_fb.0", "pfc-r8a7740",
1085 "lcd0_sync", "lcd0"),
1086 /* MMCIF */
1087 PIN_MAP_MUX_GROUP_DEFAULT("sh_mmcif.0", "pfc-r8a7740",
1088 "mmc0_data8_1", "mmc0"),
1089 PIN_MAP_MUX_GROUP_DEFAULT("sh_mmcif.0", "pfc-r8a7740",
1090 "mmc0_ctrl_1", "mmc0"),
1091 /* SCIFA1 */
1092 PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.1", "pfc-r8a7740",
1093 "scifa1_data", "scifa1"),
1094 /* SDHI0 */
1095 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7740",
1096 "sdhi0_data4", "sdhi0"),
1097 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7740",
1098 "sdhi0_ctrl", "sdhi0"),
1099 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7740",
1100 "sdhi0_wp", "sdhi0"),
1101 /* ST1232 */
1102 PIN_MAP_MUX_GROUP_DEFAULT("0-0055", "pfc-r8a7740",
1103 "intc_irq10", "intc"),
1104 /* USBHS */
1105 PIN_MAP_MUX_GROUP_DEFAULT("renesas_usbhs", "pfc-r8a7740",
1106 "intc_irq7_1", "intc"),
1107 };
1108
1109 static void __init eva_clock_init(void)
1110 {
1111 struct clk *system = clk_get(NULL, "system_clk");
1112 struct clk *xtal1 = clk_get(NULL, "extal1");
1113 struct clk *usb24s = clk_get(NULL, "usb24s");
1114 struct clk *fsibck = clk_get(NULL, "fsibck");
1115
1116 if (IS_ERR(system) ||
1117 IS_ERR(xtal1) ||
1118 IS_ERR(usb24s) ||
1119 IS_ERR(fsibck)) {
1120 pr_err("armadillo800eva board clock init failed\n");
1121 goto clock_error;
1122 }
1123
1124 /* armadillo 800 eva extal1 is 24MHz */
1125 clk_set_rate(xtal1, 24000000);
1126
1127 /* usb24s use extal1 (= system) clock (= 24MHz) */
1128 clk_set_parent(usb24s, system);
1129
1130 /* FSIBCK is 12.288MHz, and it is parent of FSI-B */
1131 clk_set_rate(fsibck, 12288000);
1132
1133 clock_error:
1134 if (!IS_ERR(system))
1135 clk_put(system);
1136 if (!IS_ERR(xtal1))
1137 clk_put(xtal1);
1138 if (!IS_ERR(usb24s))
1139 clk_put(usb24s);
1140 if (!IS_ERR(fsibck))
1141 clk_put(fsibck);
1142 }
1143
1144 /*
1145 * board init
1146 */
1147 #define GPIO_PORT7CR IOMEM(0xe6050007)
1148 #define GPIO_PORT8CR IOMEM(0xe6050008)
1149 static void __init eva_init(void)
1150 {
1151 struct platform_device *usb = NULL;
1152
1153 regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers,
1154 ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
1155
1156 pinctrl_register_mappings(eva_pinctrl_map, ARRAY_SIZE(eva_pinctrl_map));
1157
1158 r8a7740_pinmux_init();
1159 r8a7740_meram_workaround();
1160
1161 /* LCDC0 */
1162 gpio_request_one(61, GPIOF_OUT_INIT_HIGH, NULL); /* LCDDON */
1163 gpio_request_one(202, GPIOF_OUT_INIT_LOW, NULL); /* LCD0_LED_CONT */
1164
1165 /* Touchscreen */
1166 gpio_request_one(166, GPIOF_OUT_INIT_HIGH, NULL); /* TP_RST_B */
1167
1168 /* GETHER */
1169 gpio_request_one(18, GPIOF_OUT_INIT_HIGH, NULL); /* PHY_RST */
1170
1171 /* USB */
1172 gpio_request_one(159, GPIOF_IN, NULL); /* USB_DEVICE_MODE */
1173
1174 if (gpio_get_value(159)) {
1175 /* USB Host */
1176 } else {
1177 /* USB Func */
1178 /*
1179 * The USBHS interrupt handlers needs to read the IRQ pin value
1180 * (HI/LOW) to diffentiate USB connection and disconnection
1181 * events (usbhsf_get_vbus()). We thus need to select both the
1182 * intc_irq7_1 pin group and GPIO 209 here.
1183 */
1184 gpio_request_one(209, GPIOF_IN, NULL);
1185
1186 platform_device_register(&usbhsf_device);
1187 usb = &usbhsf_device;
1188 }
1189
1190 /* CON1/CON15 Camera */
1191 gpio_request_one(173, GPIOF_OUT_INIT_LOW, NULL); /* STANDBY */
1192 gpio_request_one(172, GPIOF_OUT_INIT_HIGH, NULL); /* RST */
1193 /* see mt9t111_power() */
1194 gpio_request_one(158, GPIOF_OUT_INIT_LOW, NULL); /* CAM_PON */
1195
1196 /* FSI-WM8978 */
1197 gpio_request(7, NULL);
1198 gpio_request(8, NULL);
1199 gpio_direction_none(GPIO_PORT7CR); /* FSIAOBT needs no direction */
1200 gpio_direction_none(GPIO_PORT8CR); /* FSIAOLR needs no direction */
1201
1202 /*
1203 * CAUTION
1204 *
1205 * DBGMD/LCDC0/FSIA MUX
1206 * DBGMD_SELECT_B should be set after setting PFC Function.
1207 */
1208 gpio_request_one(176, GPIOF_OUT_INIT_HIGH, NULL);
1209
1210 /*
1211 * We can switch CON8/CON14 by SW1.5,
1212 * but it needs after DBGMD_SELECT_B
1213 */
1214 gpio_request_one(6, GPIOF_IN, NULL);
1215 if (gpio_get_value(6)) {
1216 /* CON14 enable */
1217 } else {
1218 /* CON8 (SDHI1) enable */
1219 pinctrl_register_mappings(eva_sdhi1_pinctrl_map,
1220 ARRAY_SIZE(eva_sdhi1_pinctrl_map));
1221
1222 platform_device_register(&vcc_sdhi1);
1223 platform_device_register(&sdhi1_device);
1224 }
1225
1226
1227 #ifdef CONFIG_CACHE_L2X0
1228 /* Early BRESP enable, Shared attribute override enable, 32K*8way */
1229 l2x0_init(IOMEM(0xf0002000), 0x40440000, 0x82000fff);
1230 #endif
1231
1232 i2c_register_board_info(0, i2c0_devices, ARRAY_SIZE(i2c0_devices));
1233 i2c_register_board_info(2, i2c2_devices, ARRAY_SIZE(i2c2_devices));
1234
1235 r8a7740_add_standard_devices();
1236
1237 platform_add_devices(eva_devices,
1238 ARRAY_SIZE(eva_devices));
1239
1240 rmobile_add_device_to_domain("A4LC", &lcdc0_device);
1241 rmobile_add_device_to_domain("A4LC", &hdmi_lcdc_device);
1242 if (usb)
1243 rmobile_add_device_to_domain("A3SP", usb);
1244
1245 r8a7740_pm_init();
1246 }
1247
1248 static void __init eva_earlytimer_init(void)
1249 {
1250 r8a7740_clock_init(MD_CK0 | MD_CK2);
1251 shmobile_earlytimer_init();
1252
1253 /* the rate of extal1 clock must be set before late_time_init */
1254 eva_clock_init();
1255 }
1256
1257 static void __init eva_add_early_devices(void)
1258 {
1259 r8a7740_add_early_devices();
1260 }
1261
1262 #define RESCNT2 IOMEM(0xe6188020)
1263 static void eva_restart(enum reboot_mode mode, const char *cmd)
1264 {
1265 /* Do soft power on reset */
1266 writel((1 << 31), RESCNT2);
1267 }
1268
1269 static const char *eva_boards_compat_dt[] __initdata = {
1270 "renesas,armadillo800eva",
1271 NULL,
1272 };
1273
1274 DT_MACHINE_START(ARMADILLO800EVA_DT, "armadillo800eva")
1275 .map_io = r8a7740_map_io,
1276 .init_early = eva_add_early_devices,
1277 .init_irq = r8a7740_init_irq,
1278 .init_machine = eva_init,
1279 .init_late = shmobile_init_late,
1280 .init_time = eva_earlytimer_init,
1281 .dt_compat = eva_boards_compat_dt,
1282 .restart = eva_restart,
1283 MACHINE_END
Linux kernel - Deliverables
This page took 0.061419 seconds and 5 git commands to generate.