Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
[cascardo/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