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[karo-tx-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         .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 = "r8a7740-gether",
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 = 75,
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         {17, 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 = 74,
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 = 16,
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 static struct sh_mobile_sdhi_info sdhi0_info = {
682         .dma_slave_tx   = SHDMA_SLAVE_SDHI0_TX,
683         .dma_slave_rx   = SHDMA_SLAVE_SDHI0_RX,
684         .tmio_caps      = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ |
685                           MMC_CAP_POWER_OFF_CARD,
686         .tmio_flags     = TMIO_MMC_HAS_IDLE_WAIT | TMIO_MMC_USE_GPIO_CD,
687         .cd_gpio        = 167,
688 };
689
690 static struct resource sdhi0_resources[] = {
691         {
692                 .name   = "SDHI0",
693                 .start  = 0xe6850000,
694                 .end    = 0xe6850100 - 1,
695                 .flags  = IORESOURCE_MEM,
696         },
697         /*
698          * no SH_MOBILE_SDHI_IRQ_CARD_DETECT here
699          */
700         {
701                 .name   = SH_MOBILE_SDHI_IRQ_SDCARD,
702                 .start  = gic_spi(118),
703                 .flags  = IORESOURCE_IRQ,
704         },
705         {
706                 .name   = SH_MOBILE_SDHI_IRQ_SDIO,
707                 .start  = gic_spi(119),
708                 .flags  = IORESOURCE_IRQ,
709         },
710 };
711
712 static struct platform_device sdhi0_device = {
713         .name           = "sh_mobile_sdhi",
714         .id             = 0,
715         .dev            = {
716                 .platform_data  = &sdhi0_info,
717         },
718         .num_resources  = ARRAY_SIZE(sdhi0_resources),
719         .resource       = sdhi0_resources,
720 };
721
722 /* SDHI1 */
723 static struct sh_mobile_sdhi_info sdhi1_info = {
724         .dma_slave_tx   = SHDMA_SLAVE_SDHI1_TX,
725         .dma_slave_rx   = SHDMA_SLAVE_SDHI1_RX,
726         .tmio_caps      = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ |
727                           MMC_CAP_POWER_OFF_CARD,
728         .tmio_flags     = TMIO_MMC_HAS_IDLE_WAIT | TMIO_MMC_USE_GPIO_CD,
729         /* Port72 cannot generate IRQs, will be used in polling mode. */
730         .cd_gpio        = 72,
731 };
732
733 static struct resource sdhi1_resources[] = {
734         [0] = {
735                 .name   = "SDHI1",
736                 .start  = 0xe6860000,
737                 .end    = 0xe6860100 - 1,
738                 .flags  = IORESOURCE_MEM,
739         },
740         [1] = {
741                 .start  = gic_spi(121),
742                 .flags  = IORESOURCE_IRQ,
743         },
744         [2] = {
745                 .start  = gic_spi(122),
746                 .flags  = IORESOURCE_IRQ,
747         },
748         [3] = {
749                 .start  = gic_spi(123),
750                 .flags  = IORESOURCE_IRQ,
751         },
752 };
753
754 static struct platform_device sdhi1_device = {
755         .name           = "sh_mobile_sdhi",
756         .id             = 1,
757         .dev            = {
758                 .platform_data  = &sdhi1_info,
759         },
760         .num_resources  = ARRAY_SIZE(sdhi1_resources),
761         .resource       = sdhi1_resources,
762 };
763
764 static const struct pinctrl_map eva_sdhi1_pinctrl_map[] = {
765         PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.1", "pfc-r8a7740",
766                                   "sdhi1_data4", "sdhi1"),
767         PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.1", "pfc-r8a7740",
768                                   "sdhi1_ctrl", "sdhi1"),
769         PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.1", "pfc-r8a7740",
770                                   "sdhi1_cd", "sdhi1"),
771         PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.1", "pfc-r8a7740",
772                                   "sdhi1_wp", "sdhi1"),
773 };
774
775 /* MMCIF */
776 static struct sh_mmcif_plat_data sh_mmcif_plat = {
777         .sup_pclk       = 0,
778         .caps           = MMC_CAP_4_BIT_DATA |
779                           MMC_CAP_8_BIT_DATA |
780                           MMC_CAP_NONREMOVABLE,
781 };
782
783 static struct resource sh_mmcif_resources[] = {
784         [0] = {
785                 .name   = "MMCIF",
786                 .start  = 0xe6bd0000,
787                 .end    = 0xe6bd0100 - 1,
788                 .flags  = IORESOURCE_MEM,
789         },
790         [1] = {
791                 /* MMC ERR */
792                 .start  = gic_spi(56),
793                 .flags  = IORESOURCE_IRQ,
794         },
795         [2] = {
796                 /* MMC NOR */
797                 .start  = gic_spi(57),
798                 .flags  = IORESOURCE_IRQ,
799         },
800 };
801
802 static struct platform_device sh_mmcif_device = {
803         .name           = "sh_mmcif",
804         .id             = -1,
805         .dev            = {
806                 .platform_data  = &sh_mmcif_plat,
807         },
808         .num_resources  = ARRAY_SIZE(sh_mmcif_resources),
809         .resource       = sh_mmcif_resources,
810 };
811
812 /* Camera */
813 static int mt9t111_power(struct device *dev, int mode)
814 {
815         struct clk *mclk = clk_get(NULL, "video1");
816
817         if (IS_ERR(mclk)) {
818                 dev_err(dev, "can't get video1 clock\n");
819                 return -EINVAL;
820         }
821
822         if (mode) {
823                 /* video1 (= CON1 camera) expect 24MHz */
824                 clk_set_rate(mclk, clk_round_rate(mclk, 24000000));
825                 clk_enable(mclk);
826                 gpio_set_value(158, 1);
827         } else {
828                 gpio_set_value(158, 0);
829                 clk_disable(mclk);
830         }
831
832         clk_put(mclk);
833
834         return 0;
835 }
836
837 static struct i2c_board_info i2c_camera_mt9t111 = {
838         I2C_BOARD_INFO("mt9t112", 0x3d),
839 };
840
841 static struct mt9t112_camera_info mt9t111_info = {
842         .divider = { 16, 0, 0, 7, 0, 10, 14, 7, 7 },
843 };
844
845 static struct soc_camera_link mt9t111_link = {
846         .i2c_adapter_id = 0,
847         .bus_id         = 0,
848         .board_info     = &i2c_camera_mt9t111,
849         .power          = mt9t111_power,
850         .priv           = &mt9t111_info,
851 };
852
853 static struct platform_device camera_device = {
854         .name   = "soc-camera-pdrv",
855         .id     = 0,
856         .dev    = {
857                 .platform_data = &mt9t111_link,
858         },
859 };
860
861 /* CEU0 */
862 static struct sh_mobile_ceu_info sh_mobile_ceu0_info = {
863         .flags = SH_CEU_FLAG_LOWER_8BIT,
864 };
865
866 static struct resource ceu0_resources[] = {
867         [0] = {
868                 .name   = "CEU",
869                 .start  = 0xfe910000,
870                 .end    = 0xfe91009f,
871                 .flags  = IORESOURCE_MEM,
872         },
873         [1] = {
874                 .start  = gic_spi(160),
875                 .flags  = IORESOURCE_IRQ,
876         },
877         [2] = {
878                 /* place holder for contiguous memory */
879         },
880 };
881
882 static struct platform_device ceu0_device = {
883         .name           = "sh_mobile_ceu",
884         .id             = 0,
885         .num_resources  = ARRAY_SIZE(ceu0_resources),
886         .resource       = ceu0_resources,
887         .dev    = {
888                 .platform_data          = &sh_mobile_ceu0_info,
889                 .coherent_dma_mask      = 0xffffffff,
890         },
891 };
892
893 /* FSI */
894 static struct sh_fsi_platform_info fsi_info = {
895         /* FSI-WM8978 */
896         .port_a = {
897                 .tx_id = SHDMA_SLAVE_FSIA_TX,
898         },
899         /* FSI-HDMI */
900         .port_b = {
901                 .flags          = SH_FSI_FMT_SPDIF |
902                                   SH_FSI_ENABLE_STREAM_MODE |
903                                   SH_FSI_CLK_CPG,
904                 .tx_id          = SHDMA_SLAVE_FSIB_TX,
905         }
906 };
907
908 static struct resource fsi_resources[] = {
909         [0] = {
910                 .name   = "FSI",
911                 .start  = 0xfe1f0000,
912                 .end    = 0xfe1f8400 - 1,
913                 .flags  = IORESOURCE_MEM,
914         },
915         [1] = {
916                 .start  = gic_spi(9),
917                 .flags  = IORESOURCE_IRQ,
918         },
919 };
920
921 static struct platform_device fsi_device = {
922         .name           = "sh_fsi2",
923         .id             = -1,
924         .num_resources  = ARRAY_SIZE(fsi_resources),
925         .resource       = fsi_resources,
926         .dev    = {
927                 .platform_data  = &fsi_info,
928         },
929 };
930
931 /* FSI-WM8978 */
932 static struct asoc_simple_card_info fsi_wm8978_info = {
933         .name           = "wm8978",
934         .card           = "FSI2A-WM8978",
935         .codec          = "wm8978.0-001a",
936         .platform       = "sh_fsi2",
937         .daifmt         = SND_SOC_DAIFMT_I2S,
938         .cpu_dai = {
939                 .name   = "fsia-dai",
940                 .fmt    = SND_SOC_DAIFMT_CBS_CFS | SND_SOC_DAIFMT_IB_NF,
941         },
942         .codec_dai = {
943                 .name   = "wm8978-hifi",
944                 .fmt    = SND_SOC_DAIFMT_CBM_CFM | SND_SOC_DAIFMT_NB_NF,
945                 .sysclk = 12288000,
946         },
947 };
948
949 static struct platform_device fsi_wm8978_device = {
950         .name   = "asoc-simple-card",
951         .id     = 0,
952         .dev    = {
953                 .platform_data  = &fsi_wm8978_info,
954         },
955 };
956
957 /* FSI-HDMI */
958 static struct asoc_simple_card_info fsi2_hdmi_info = {
959         .name           = "HDMI",
960         .card           = "FSI2B-HDMI",
961         .codec          = "sh-mobile-hdmi",
962         .platform       = "sh_fsi2",
963         .cpu_dai = {
964                 .name   = "fsib-dai",
965                 .fmt    = SND_SOC_DAIFMT_CBM_CFM,
966         },
967         .codec_dai = {
968                 .name = "sh_mobile_hdmi-hifi",
969         },
970 };
971
972 static struct platform_device fsi_hdmi_device = {
973         .name   = "asoc-simple-card",
974         .id     = 1,
975         .dev    = {
976                 .platform_data  = &fsi2_hdmi_info,
977         },
978 };
979
980 /* RTC: RTC connects i2c-gpio. */
981 static struct i2c_gpio_platform_data i2c_gpio_data = {
982         .sda_pin        = 208,
983         .scl_pin        = 91,
984         .udelay         = 5, /* 100 kHz */
985 };
986
987 static struct platform_device i2c_gpio_device = {
988         .name = "i2c-gpio",
989         .id = 2,
990         .dev = {
991                 .platform_data = &i2c_gpio_data,
992         },
993 };
994
995 /* I2C */
996 static struct st1232_pdata st1232_i2c0_pdata = {
997         .reset_gpio = 166,
998 };
999
1000 static struct i2c_board_info i2c0_devices[] = {
1001         {
1002                 I2C_BOARD_INFO("st1232-ts", 0x55),
1003                 .irq = irq_pin(10),
1004                 .platform_data = &st1232_i2c0_pdata,
1005         },
1006         {
1007                 I2C_BOARD_INFO("wm8978", 0x1a),
1008         },
1009 };
1010
1011 static struct i2c_board_info i2c2_devices[] = {
1012         {
1013                 I2C_BOARD_INFO("s35390a", 0x30),
1014                 .type = "s35390a",
1015         },
1016 };
1017
1018 /*
1019  * board devices
1020  */
1021 static struct platform_device *eva_devices[] __initdata = {
1022         &lcdc0_device,
1023         &gpio_keys_device,
1024         &sh_eth_device,
1025         &vcc_sdhi0,
1026         &vccq_sdhi0,
1027         &sdhi0_device,
1028         &sh_mmcif_device,
1029         &hdmi_device,
1030         &hdmi_lcdc_device,
1031         &camera_device,
1032         &ceu0_device,
1033         &fsi_device,
1034         &fsi_wm8978_device,
1035         &fsi_hdmi_device,
1036         &i2c_gpio_device,
1037 };
1038
1039 static const struct pinctrl_map eva_pinctrl_map[] = {
1040         /* CEU0 */
1041         PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_ceu.0", "pfc-r8a7740",
1042                                   "ceu0_data_0_7", "ceu0"),
1043         PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_ceu.0", "pfc-r8a7740",
1044                                   "ceu0_clk_0", "ceu0"),
1045         PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_ceu.0", "pfc-r8a7740",
1046                                   "ceu0_sync", "ceu0"),
1047         PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_ceu.0", "pfc-r8a7740",
1048                                   "ceu0_field", "ceu0"),
1049         /* FSIA */
1050         PIN_MAP_MUX_GROUP_DEFAULT("asoc-simple-card.0", "pfc-r8a7740",
1051                                   "fsia_sclk_in", "fsia"),
1052         PIN_MAP_MUX_GROUP_DEFAULT("asoc-simple-card.0", "pfc-r8a7740",
1053                                   "fsia_mclk_out", "fsia"),
1054         PIN_MAP_MUX_GROUP_DEFAULT("asoc-simple-card.0", "pfc-r8a7740",
1055                                   "fsia_data_in_1", "fsia"),
1056         PIN_MAP_MUX_GROUP_DEFAULT("asoc-simple-card.0", "pfc-r8a7740",
1057                                   "fsia_data_out_0", "fsia"),
1058         /* FSIB */
1059         PIN_MAP_MUX_GROUP_DEFAULT("asoc-simple-card.1", "pfc-r8a7740",
1060                                   "fsib_mclk_in", "fsib"),
1061         /* GETHER */
1062         PIN_MAP_MUX_GROUP_DEFAULT("sh-eth", "pfc-r8a7740",
1063                                   "gether_mii", "gether"),
1064         PIN_MAP_MUX_GROUP_DEFAULT("sh-eth", "pfc-r8a7740",
1065                                   "gether_int", "gether"),
1066         /* HDMI */
1067         PIN_MAP_MUX_GROUP_DEFAULT("sh-mobile-hdmi", "pfc-r8a7740",
1068                                   "hdmi", "hdmi"),
1069         /* LCD0 */
1070         PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_lcdc_fb.0", "pfc-r8a7740",
1071                                   "lcd0_data24_0", "lcd0"),
1072         PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_lcdc_fb.0", "pfc-r8a7740",
1073                                   "lcd0_lclk_1", "lcd0"),
1074         PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_lcdc_fb.0", "pfc-r8a7740",
1075                                   "lcd0_sync", "lcd0"),
1076         /* MMCIF */
1077         PIN_MAP_MUX_GROUP_DEFAULT("sh_mmcif.0", "pfc-r8a7740",
1078                                   "mmc0_data8_1", "mmc0"),
1079         PIN_MAP_MUX_GROUP_DEFAULT("sh_mmcif.0", "pfc-r8a7740",
1080                                   "mmc0_ctrl_1", "mmc0"),
1081         /* SCIFA1 */
1082         PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.1", "pfc-r8a7740",
1083                                   "scifa1_data", "scifa1"),
1084         /* SDHI0 */
1085         PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7740",
1086                                   "sdhi0_data4", "sdhi0"),
1087         PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7740",
1088                                   "sdhi0_ctrl", "sdhi0"),
1089         PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7740",
1090                                   "sdhi0_wp", "sdhi0"),
1091         /* ST1232 */
1092         PIN_MAP_MUX_GROUP_DEFAULT("0-0055", "pfc-r8a7740",
1093                                   "intc_irq10", "intc"),
1094         /* USBHS */
1095         PIN_MAP_MUX_GROUP_DEFAULT("renesas_usbhs", "pfc-r8a7740",
1096                                   "intc_irq7_1", "intc"),
1097 };
1098
1099 static void __init eva_clock_init(void)
1100 {
1101         struct clk *system      = clk_get(NULL, "system_clk");
1102         struct clk *xtal1       = clk_get(NULL, "extal1");
1103         struct clk *usb24s      = clk_get(NULL, "usb24s");
1104         struct clk *fsibck      = clk_get(NULL, "fsibck");
1105
1106         if (IS_ERR(system)      ||
1107             IS_ERR(xtal1)       ||
1108             IS_ERR(usb24s)      ||
1109             IS_ERR(fsibck)) {
1110                 pr_err("armadillo800eva board clock init failed\n");
1111                 goto clock_error;
1112         }
1113
1114         /* armadillo 800 eva extal1 is 24MHz */
1115         clk_set_rate(xtal1, 24000000);
1116
1117         /* usb24s use extal1 (= system) clock (= 24MHz) */
1118         clk_set_parent(usb24s, system);
1119
1120         /* FSIBCK is 12.288MHz, and it is parent of FSI-B */
1121         clk_set_rate(fsibck, 12288000);
1122
1123 clock_error:
1124         if (!IS_ERR(system))
1125                 clk_put(system);
1126         if (!IS_ERR(xtal1))
1127                 clk_put(xtal1);
1128         if (!IS_ERR(usb24s))
1129                 clk_put(usb24s);
1130         if (!IS_ERR(fsibck))
1131                 clk_put(fsibck);
1132 }
1133
1134 /*
1135  * board init
1136  */
1137 #define GPIO_PORT7CR    IOMEM(0xe6050007)
1138 #define GPIO_PORT8CR    IOMEM(0xe6050008)
1139 static void __init eva_init(void)
1140 {
1141         struct platform_device *usb = NULL;
1142
1143         regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers,
1144                                      ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
1145
1146         pinctrl_register_mappings(eva_pinctrl_map, ARRAY_SIZE(eva_pinctrl_map));
1147
1148         r8a7740_pinmux_init();
1149         r8a7740_meram_workaround();
1150
1151         /* LCDC0 */
1152         gpio_request_one(61, GPIOF_OUT_INIT_HIGH, NULL); /* LCDDON */
1153         gpio_request_one(202, GPIOF_OUT_INIT_LOW, NULL); /* LCD0_LED_CONT */
1154
1155         /* GETHER */
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                  * The USBHS interrupt handlers needs to read the IRQ pin value
1167                  * (HI/LOW) to diffentiate USB connection and disconnection
1168                  * events (usbhsf_get_vbus()). We thus need to select both the
1169                  * intc_irq7_1 pin group and GPIO 209 here.
1170                  */
1171                 gpio_request_one(209, GPIOF_IN, NULL);
1172
1173                 platform_device_register(&usbhsf_device);
1174                 usb = &usbhsf_device;
1175         }
1176
1177         /* CON1/CON15 Camera */
1178         gpio_request_one(173, GPIOF_OUT_INIT_LOW, NULL);  /* STANDBY */
1179         gpio_request_one(172, GPIOF_OUT_INIT_HIGH, NULL); /* RST */
1180         /* see mt9t111_power() */
1181         gpio_request_one(158, GPIOF_OUT_INIT_LOW, NULL);  /* CAM_PON */
1182
1183         /* FSI-WM8978 */
1184         gpio_request(7, NULL);
1185         gpio_request(8, NULL);
1186         gpio_direction_none(GPIO_PORT7CR); /* FSIAOBT needs no direction */
1187         gpio_direction_none(GPIO_PORT8CR); /* FSIAOLR needs no direction */
1188
1189         /*
1190          * CAUTION
1191          *
1192          * DBGMD/LCDC0/FSIA MUX
1193          * DBGMD_SELECT_B should be set after setting PFC Function.
1194          */
1195         gpio_request_one(176, GPIOF_OUT_INIT_HIGH, NULL);
1196
1197         /*
1198          * We can switch CON8/CON14 by SW1.5,
1199          * but it needs after DBGMD_SELECT_B
1200          */
1201         gpio_request_one(6, GPIOF_IN, NULL);
1202         if (gpio_get_value(6)) {
1203                 /* CON14 enable */
1204         } else {
1205                 /* CON8 (SDHI1) enable */
1206                 pinctrl_register_mappings(eva_sdhi1_pinctrl_map,
1207                                           ARRAY_SIZE(eva_sdhi1_pinctrl_map));
1208
1209                 platform_device_register(&vcc_sdhi1);
1210                 platform_device_register(&sdhi1_device);
1211         }
1212
1213
1214 #ifdef CONFIG_CACHE_L2X0
1215         /* Early BRESP enable, Shared attribute override enable, 32K*8way */
1216         l2x0_init(IOMEM(0xf0002000), 0x40440000, 0x82000fff);
1217 #endif
1218
1219         i2c_register_board_info(0, i2c0_devices, ARRAY_SIZE(i2c0_devices));
1220         i2c_register_board_info(2, i2c2_devices, ARRAY_SIZE(i2c2_devices));
1221
1222         r8a7740_add_standard_devices();
1223
1224         platform_add_devices(eva_devices,
1225                              ARRAY_SIZE(eva_devices));
1226
1227         rmobile_add_device_to_domain("A4LC", &lcdc0_device);
1228         rmobile_add_device_to_domain("A4LC", &hdmi_lcdc_device);
1229         if (usb)
1230                 rmobile_add_device_to_domain("A3SP", usb);
1231
1232         r8a7740_pm_init();
1233 }
1234
1235 static void __init eva_earlytimer_init(void)
1236 {
1237         r8a7740_clock_init(MD_CK0 | MD_CK2);
1238         shmobile_earlytimer_init();
1239
1240         /* the rate of extal1 clock must be set before late_time_init */
1241         eva_clock_init();
1242 }
1243
1244 static void __init eva_add_early_devices(void)
1245 {
1246         r8a7740_add_early_devices();
1247 }
1248
1249 #define RESCNT2 IOMEM(0xe6188020)
1250 static void eva_restart(enum reboot_mode mode, const char *cmd)
1251 {
1252         /* Do soft power on reset */
1253         writel((1 << 31), RESCNT2);
1254 }
1255
1256 static const char *eva_boards_compat_dt[] __initdata = {
1257         "renesas,armadillo800eva",
1258         NULL,
1259 };
1260
1261 DT_MACHINE_START(ARMADILLO800EVA_DT, "armadillo800eva")
1262         .map_io         = r8a7740_map_io,
1263         .init_early     = eva_add_early_devices,
1264         .init_irq       = r8a7740_init_irq,
1265         .init_machine   = eva_init,
1266         .init_late      = shmobile_init_late,
1267         .init_time      = eva_earlytimer_init,
1268         .dt_compat      = eva_boards_compat_dt,
1269         .restart        = eva_restart,
1270 MACHINE_END