1 /*
2  * KZM-A9-GT board support
3  *
4  * Copyright (C) 2012	Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; version 2 of the License.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  */
15 
16 #include <linux/delay.h>
17 #include <linux/gpio.h>
18 #include <linux/gpio_keys.h>
19 #include <linux/io.h>
20 #include <linux/irq.h>
21 #include <linux/i2c.h>
22 #include <linux/i2c/pcf857x.h>
23 #include <linux/input.h>
24 #include <linux/irqchip/arm-gic.h>
25 #include <linux/mmc/host.h>
26 #include <linux/mmc/sh_mmcif.h>
27 #include <linux/mmc/sh_mobile_sdhi.h>
28 #include <linux/mfd/as3711.h>
29 #include <linux/mfd/tmio.h>
30 #include <linux/pinctrl/machine.h>
31 #include <linux/pinctrl/pinconf-generic.h>
32 #include <linux/platform_device.h>
33 #include <linux/reboot.h>
34 #include <linux/regulator/fixed.h>
35 #include <linux/regulator/machine.h>
36 #include <linux/smsc911x.h>
37 #include <linux/usb/r8a66597.h>
38 #include <linux/usb/renesas_usbhs.h>
39 #include <linux/videodev2.h>
40 
41 #include <sound/sh_fsi.h>
42 #include <sound/simple_card.h>
43 #include <asm/hardware/cache-l2x0.h>
44 #include <asm/mach-types.h>
45 #include <asm/mach/arch.h>
46 #include <video/sh_mobile_lcdc.h>
47 
48 #include "common.h"
49 #include "intc.h"
50 #include "irqs.h"
51 #include "sh73a0.h"
52 
53 /*
54  * external GPIO
55  */
56 #define GPIO_PCF8575_BASE	(310)
57 #define GPIO_PCF8575_PORT10	(GPIO_PCF8575_BASE + 8)
58 #define GPIO_PCF8575_PORT11	(GPIO_PCF8575_BASE + 9)
59 #define GPIO_PCF8575_PORT12	(GPIO_PCF8575_BASE + 10)
60 #define GPIO_PCF8575_PORT13	(GPIO_PCF8575_BASE + 11)
61 #define GPIO_PCF8575_PORT14	(GPIO_PCF8575_BASE + 12)
62 #define GPIO_PCF8575_PORT15	(GPIO_PCF8575_BASE + 13)
63 #define GPIO_PCF8575_PORT16	(GPIO_PCF8575_BASE + 14)
64 
65 /* Dummy supplies, where voltage doesn't matter */
66 static struct regulator_consumer_supply dummy_supplies[] = {
67 	REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
68 	REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
69 };
70 
71 /*
72  * FSI-AK4648
73  *
74  * this command is required when playback.
75  *
76  * # amixer set "LINEOUT Mixer DACL" on
77  */
78 
79 /* SMSC 9221 */
80 static struct resource smsc9221_resources[] = {
81 	[0] = {
82 		.start	= 0x10000000, /* CS4 */
83 		.end	= 0x100000ff,
84 		.flags	= IORESOURCE_MEM,
85 	},
86 	[1] = {
87 		.start	= irq_pin(3), /* IRQ3 */
88 		.flags	= IORESOURCE_IRQ,
89 	},
90 };
91 
92 static struct smsc911x_platform_config smsc9221_platdata = {
93 	.flags		= SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
94 	.phy_interface	= PHY_INTERFACE_MODE_MII,
95 	.irq_polarity	= SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
96 	.irq_type	= SMSC911X_IRQ_TYPE_PUSH_PULL,
97 };
98 
99 static struct platform_device smsc_device = {
100 	.name		= "smsc911x",
101 	.dev  = {
102 		.platform_data = &smsc9221_platdata,
103 	},
104 	.resource	= smsc9221_resources,
105 	.num_resources	= ARRAY_SIZE(smsc9221_resources),
106 };
107 
108 /* USB external chip */
109 static struct r8a66597_platdata usb_host_data = {
110 	.on_chip	= 0,
111 	.xtal		= R8A66597_PLATDATA_XTAL_48MHZ,
112 };
113 
114 static struct resource usb_resources[] = {
115 	[0] = {
116 		.start	= 0x10010000,
117 		.end	= 0x1001ffff - 1,
118 		.flags	= IORESOURCE_MEM,
119 	},
120 	[1] = {
121 		.start	= irq_pin(1), /* IRQ1 */
122 		.flags	= IORESOURCE_IRQ,
123 	},
124 };
125 
126 static struct platform_device usb_host_device = {
127 	.name	= "r8a66597_hcd",
128 	.dev = {
129 		.platform_data		= &usb_host_data,
130 		.dma_mask		= NULL,
131 		.coherent_dma_mask	= 0xffffffff,
132 	},
133 	.num_resources	= ARRAY_SIZE(usb_resources),
134 	.resource	= usb_resources,
135 };
136 
137 /* USB Func CN17 */
138 struct usbhs_private {
139 	void __iomem *phy;
140 	void __iomem *cr2;
141 	struct renesas_usbhs_platform_info info;
142 };
143 
144 #define IRQ15			irq_pin(15)
145 #define USB_PHY_MODE		(1 << 4)
146 #define USB_PHY_INT_EN		((1 << 3) | (1 << 2))
147 #define USB_PHY_ON		(1 << 1)
148 #define USB_PHY_OFF		(1 << 0)
149 #define USB_PHY_INT_CLR		(USB_PHY_ON | USB_PHY_OFF)
150 
151 #define usbhs_get_priv(pdev) \
152 	container_of(renesas_usbhs_get_info(pdev), struct usbhs_private, info)
153 
usbhs_get_vbus(struct platform_device * pdev)154 static int usbhs_get_vbus(struct platform_device *pdev)
155 {
156 	struct usbhs_private *priv = usbhs_get_priv(pdev);
157 
158 	return !((1 << 7) & __raw_readw(priv->cr2));
159 }
160 
usbhs_phy_reset(struct platform_device * pdev)161 static int usbhs_phy_reset(struct platform_device *pdev)
162 {
163 	struct usbhs_private *priv = usbhs_get_priv(pdev);
164 
165 	/* init phy */
166 	__raw_writew(0x8a0a, priv->cr2);
167 
168 	return 0;
169 }
170 
usbhs_get_id(struct platform_device * pdev)171 static int usbhs_get_id(struct platform_device *pdev)
172 {
173 	return USBHS_GADGET;
174 }
175 
usbhs_interrupt(int irq,void * data)176 static irqreturn_t usbhs_interrupt(int irq, void *data)
177 {
178 	struct platform_device *pdev = data;
179 	struct usbhs_private *priv = usbhs_get_priv(pdev);
180 
181 	renesas_usbhs_call_notify_hotplug(pdev);
182 
183 	/* clear status */
184 	__raw_writew(__raw_readw(priv->phy) | USB_PHY_INT_CLR, priv->phy);
185 
186 	return IRQ_HANDLED;
187 }
188 
usbhs_hardware_init(struct platform_device * pdev)189 static int usbhs_hardware_init(struct platform_device *pdev)
190 {
191 	struct usbhs_private *priv = usbhs_get_priv(pdev);
192 	int ret;
193 
194 	/* clear interrupt status */
195 	__raw_writew(USB_PHY_MODE | USB_PHY_INT_CLR, priv->phy);
196 
197 	ret = request_irq(IRQ15, usbhs_interrupt, IRQF_TRIGGER_HIGH,
198 			  dev_name(&pdev->dev), pdev);
199 	if (ret) {
200 		dev_err(&pdev->dev, "request_irq err\n");
201 		return ret;
202 	}
203 
204 	/* enable USB phy interrupt */
205 	__raw_writew(USB_PHY_MODE | USB_PHY_INT_EN, priv->phy);
206 
207 	return 0;
208 }
209 
usbhs_hardware_exit(struct platform_device * pdev)210 static int usbhs_hardware_exit(struct platform_device *pdev)
211 {
212 	struct usbhs_private *priv = usbhs_get_priv(pdev);
213 
214 	/* clear interrupt status */
215 	__raw_writew(USB_PHY_MODE | USB_PHY_INT_CLR, priv->phy);
216 
217 	free_irq(IRQ15, pdev);
218 
219 	return 0;
220 }
221 
222 static u32 usbhs_pipe_cfg[] = {
223 	USB_ENDPOINT_XFER_CONTROL,
224 	USB_ENDPOINT_XFER_ISOC,
225 	USB_ENDPOINT_XFER_ISOC,
226 	USB_ENDPOINT_XFER_BULK,
227 	USB_ENDPOINT_XFER_BULK,
228 	USB_ENDPOINT_XFER_BULK,
229 	USB_ENDPOINT_XFER_INT,
230 	USB_ENDPOINT_XFER_INT,
231 	USB_ENDPOINT_XFER_INT,
232 	USB_ENDPOINT_XFER_BULK,
233 	USB_ENDPOINT_XFER_BULK,
234 	USB_ENDPOINT_XFER_BULK,
235 	USB_ENDPOINT_XFER_BULK,
236 	USB_ENDPOINT_XFER_BULK,
237 	USB_ENDPOINT_XFER_BULK,
238 	USB_ENDPOINT_XFER_BULK,
239 };
240 
241 static struct usbhs_private usbhs_private = {
242 	.phy	= IOMEM(0xe60781e0),		/* USBPHYINT */
243 	.cr2	= IOMEM(0xe605810c),		/* USBCR2 */
244 	.info = {
245 		.platform_callback = {
246 			.hardware_init	= usbhs_hardware_init,
247 			.hardware_exit	= usbhs_hardware_exit,
248 			.get_id		= usbhs_get_id,
249 			.phy_reset	= usbhs_phy_reset,
250 			.get_vbus	= usbhs_get_vbus,
251 		},
252 		.driver_param = {
253 			.buswait_bwait	= 4,
254 			.has_otg	= 1,
255 			.pipe_type	= usbhs_pipe_cfg,
256 			.pipe_size	= ARRAY_SIZE(usbhs_pipe_cfg),
257 		},
258 	},
259 };
260 
261 static struct resource usbhs_resources[] = {
262 	[0] = {
263 		.start	= 0xE6890000,
264 		.end	= 0xE68900e6 - 1,
265 		.flags	= IORESOURCE_MEM,
266 	},
267 	[1] = {
268 		.start	= gic_spi(62),
269 		.end	= gic_spi(62),
270 		.flags	= IORESOURCE_IRQ,
271 	},
272 };
273 
274 static struct platform_device usbhs_device = {
275 	.name	= "renesas_usbhs",
276 	.id	= -1,
277 	.dev = {
278 		.dma_mask		= NULL,
279 		.coherent_dma_mask	= 0xffffffff,
280 		.platform_data		= &usbhs_private.info,
281 	},
282 	.num_resources	= ARRAY_SIZE(usbhs_resources),
283 	.resource	= usbhs_resources,
284 };
285 
286 /* LCDC */
287 static struct fb_videomode kzm_lcdc_mode = {
288 	.name		= "WVGA Panel",
289 	.xres		= 800,
290 	.yres		= 480,
291 	.left_margin	= 220,
292 	.right_margin	= 110,
293 	.hsync_len	= 70,
294 	.upper_margin	= 20,
295 	.lower_margin	= 5,
296 	.vsync_len	= 5,
297 	.sync		= 0,
298 };
299 
300 static struct sh_mobile_lcdc_info lcdc_info = {
301 	.clock_source = LCDC_CLK_BUS,
302 	.ch[0] = {
303 		.chan		= LCDC_CHAN_MAINLCD,
304 		.fourcc		= V4L2_PIX_FMT_RGB565,
305 		.interface_type	= RGB24,
306 		.lcd_modes	= &kzm_lcdc_mode,
307 		.num_modes	= 1,
308 		.clock_divider	= 5,
309 		.flags		= 0,
310 		.panel_cfg = {
311 			.width	= 152,
312 			.height	= 91,
313 		},
314 	}
315 };
316 
317 static struct resource lcdc_resources[] = {
318 	[0] = {
319 		.name	= "LCDC",
320 		.start	= 0xfe940000,
321 		.end	= 0xfe943fff,
322 		.flags	= IORESOURCE_MEM,
323 	},
324 	[1] = {
325 		.start	= intcs_evt2irq(0x580),
326 		.flags	= IORESOURCE_IRQ,
327 	},
328 };
329 
330 static struct platform_device lcdc_device = {
331 	.name		= "sh_mobile_lcdc_fb",
332 	.num_resources	= ARRAY_SIZE(lcdc_resources),
333 	.resource	= lcdc_resources,
334 	.dev	= {
335 		.platform_data	= &lcdc_info,
336 		.coherent_dma_mask = DMA_BIT_MASK(32),
337 	},
338 };
339 
340 /* Fixed 1.8V regulator to be used by MMCIF */
341 static struct regulator_consumer_supply fixed1v8_power_consumers[] =
342 {
343 	REGULATOR_SUPPLY("vmmc", "sh_mmcif.0"),
344 	REGULATOR_SUPPLY("vqmmc", "sh_mmcif.0"),
345 };
346 
347 /* MMCIF */
348 static struct resource sh_mmcif_resources[] = {
349 	[0] = {
350 		.name	= "MMCIF",
351 		.start	= 0xe6bd0000,
352 		.end	= 0xe6bd00ff,
353 		.flags	= IORESOURCE_MEM,
354 	},
355 	[1] = {
356 		.start	= gic_spi(140),
357 		.flags	= IORESOURCE_IRQ,
358 	},
359 	[2] = {
360 		.start	= gic_spi(141),
361 		.flags	= IORESOURCE_IRQ,
362 	},
363 };
364 
365 static struct sh_mmcif_plat_data sh_mmcif_platdata = {
366 	.ocr		= MMC_VDD_165_195,
367 	.caps		= MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE,
368 	.ccs_unsupported = true,
369 	.slave_id_tx	= SHDMA_SLAVE_MMCIF_TX,
370 	.slave_id_rx	= SHDMA_SLAVE_MMCIF_RX,
371 };
372 
373 static struct platform_device mmc_device = {
374 	.name		= "sh_mmcif",
375 	.dev		= {
376 		.dma_mask		= NULL,
377 		.coherent_dma_mask	= 0xffffffff,
378 		.platform_data		= &sh_mmcif_platdata,
379 	},
380 	.num_resources	= ARRAY_SIZE(sh_mmcif_resources),
381 	.resource	= sh_mmcif_resources,
382 };
383 
384 /* Fixed 3.3V regulators to be used by SDHI0 */
385 static struct regulator_consumer_supply vcc_sdhi0_consumers[] =
386 {
387 	REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
388 };
389 
390 static struct regulator_init_data vcc_sdhi0_init_data = {
391 	.constraints = {
392 		.valid_ops_mask = REGULATOR_CHANGE_STATUS,
393 	},
394 	.num_consumer_supplies  = ARRAY_SIZE(vcc_sdhi0_consumers),
395 	.consumer_supplies      = vcc_sdhi0_consumers,
396 };
397 
398 static struct fixed_voltage_config vcc_sdhi0_info = {
399 	.supply_name = "SDHI0 Vcc",
400 	.microvolts = 3300000,
401 	.gpio = 15,
402 	.enable_high = 1,
403 	.init_data = &vcc_sdhi0_init_data,
404 };
405 
406 static struct platform_device vcc_sdhi0 = {
407 	.name = "reg-fixed-voltage",
408 	.id   = 0,
409 	.dev  = {
410 		.platform_data = &vcc_sdhi0_info,
411 	},
412 };
413 
414 /* Fixed 3.3V regulators to be used by SDHI2 */
415 static struct regulator_consumer_supply vcc_sdhi2_consumers[] =
416 {
417 	REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.2"),
418 };
419 
420 static struct regulator_init_data vcc_sdhi2_init_data = {
421 	.constraints = {
422 		.valid_ops_mask = REGULATOR_CHANGE_STATUS,
423 	},
424 	.num_consumer_supplies  = ARRAY_SIZE(vcc_sdhi2_consumers),
425 	.consumer_supplies      = vcc_sdhi2_consumers,
426 };
427 
428 static struct fixed_voltage_config vcc_sdhi2_info = {
429 	.supply_name = "SDHI2 Vcc",
430 	.microvolts = 3300000,
431 	.gpio = 14,
432 	.enable_high = 1,
433 	.init_data = &vcc_sdhi2_init_data,
434 };
435 
436 static struct platform_device vcc_sdhi2 = {
437 	.name = "reg-fixed-voltage",
438 	.id   = 1,
439 	.dev  = {
440 		.platform_data = &vcc_sdhi2_info,
441 	},
442 };
443 
444 /* SDHI */
445 static struct tmio_mmc_data sdhi0_info = {
446 	.chan_priv_tx	= (void *)SHDMA_SLAVE_SDHI0_TX,
447 	.chan_priv_rx	= (void *)SHDMA_SLAVE_SDHI0_RX,
448 	.flags		= TMIO_MMC_HAS_IDLE_WAIT,
449 	.capabilities	= MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ |
450 			  MMC_CAP_POWER_OFF_CARD,
451 };
452 
453 static struct resource sdhi0_resources[] = {
454 	[0] = {
455 		.name	= "SDHI0",
456 		.start	= 0xee100000,
457 		.end	= 0xee1000ff,
458 		.flags	= IORESOURCE_MEM,
459 	},
460 	[1] = {
461 		.name	= SH_MOBILE_SDHI_IRQ_CARD_DETECT,
462 		.start	= gic_spi(83),
463 		.flags	= IORESOURCE_IRQ,
464 	},
465 	[2] = {
466 		.name	= SH_MOBILE_SDHI_IRQ_SDCARD,
467 		.start	= gic_spi(84),
468 		.flags	= IORESOURCE_IRQ,
469 	},
470 	[3] = {
471 		.name	= SH_MOBILE_SDHI_IRQ_SDIO,
472 		.start	= gic_spi(85),
473 		.flags	= IORESOURCE_IRQ,
474 	},
475 };
476 
477 static struct platform_device sdhi0_device = {
478 	.name		= "sh_mobile_sdhi",
479 	.num_resources	= ARRAY_SIZE(sdhi0_resources),
480 	.resource	= sdhi0_resources,
481 	.dev	= {
482 		.platform_data	= &sdhi0_info,
483 	},
484 };
485 
486 /* Micro SD */
487 static struct tmio_mmc_data sdhi2_info = {
488 	.chan_priv_tx	= (void *)SHDMA_SLAVE_SDHI2_TX,
489 	.chan_priv_rx	= (void *)SHDMA_SLAVE_SDHI2_RX,
490 	.flags		= TMIO_MMC_HAS_IDLE_WAIT |
491 			  TMIO_MMC_USE_GPIO_CD |
492 			  TMIO_MMC_WRPROTECT_DISABLE,
493 	.capabilities	= MMC_CAP_SD_HIGHSPEED | MMC_CAP_POWER_OFF_CARD,
494 	.cd_gpio	= 13,
495 };
496 
497 static struct resource sdhi2_resources[] = {
498 	[0] = {
499 		.name	= "SDHI2",
500 		.start	= 0xee140000,
501 		.end	= 0xee1400ff,
502 		.flags	= IORESOURCE_MEM,
503 	},
504 	[1] = {
505 		.name	= SH_MOBILE_SDHI_IRQ_CARD_DETECT,
506 		.start	= gic_spi(103),
507 		.flags	= IORESOURCE_IRQ,
508 	},
509 	[2] = {
510 		.name	= SH_MOBILE_SDHI_IRQ_SDCARD,
511 		.start	= gic_spi(104),
512 		.flags	= IORESOURCE_IRQ,
513 	},
514 	[3] = {
515 		.name	= SH_MOBILE_SDHI_IRQ_SDIO,
516 		.start	= gic_spi(105),
517 		.flags	= IORESOURCE_IRQ,
518 	},
519 };
520 
521 static struct platform_device sdhi2_device = {
522 	.name		= "sh_mobile_sdhi",
523 	.id		= 2,
524 	.num_resources	= ARRAY_SIZE(sdhi2_resources),
525 	.resource	= sdhi2_resources,
526 	.dev	= {
527 		.platform_data	= &sdhi2_info,
528 	},
529 };
530 
531 /* KEY */
532 #define GPIO_KEY(c, g, d) { .code = c, .gpio = g, .desc = d, .active_low = 1 }
533 
534 static struct gpio_keys_button gpio_buttons[] = {
535 	GPIO_KEY(KEY_BACK,	GPIO_PCF8575_PORT10,	"SW3"),
536 	GPIO_KEY(KEY_RIGHT,	GPIO_PCF8575_PORT11,	"SW2-R"),
537 	GPIO_KEY(KEY_LEFT,	GPIO_PCF8575_PORT12,	"SW2-L"),
538 	GPIO_KEY(KEY_ENTER,	GPIO_PCF8575_PORT13,	"SW2-P"),
539 	GPIO_KEY(KEY_UP,	GPIO_PCF8575_PORT14,	"SW2-U"),
540 	GPIO_KEY(KEY_DOWN,	GPIO_PCF8575_PORT15,	"SW2-D"),
541 	GPIO_KEY(KEY_HOME,	GPIO_PCF8575_PORT16,	"SW1"),
542 };
543 
544 static struct gpio_keys_platform_data gpio_key_info = {
545 	.buttons	= gpio_buttons,
546 	.nbuttons	= ARRAY_SIZE(gpio_buttons),
547 };
548 
549 static struct platform_device gpio_keys_device = {
550 	.name	= "gpio-keys",
551 	.dev	= {
552 		.platform_data  = &gpio_key_info,
553 	},
554 };
555 
556 /* FSI-AK4648 */
557 static struct sh_fsi_platform_info fsi_info = {
558 	.port_a = {
559 		.tx_id = SHDMA_SLAVE_FSI2A_TX,
560 	},
561 };
562 
563 static struct resource fsi_resources[] = {
564 	[0] = {
565 		.name	= "FSI",
566 		.start	= 0xEC230000,
567 		.end	= 0xEC230400 - 1,
568 		.flags	= IORESOURCE_MEM,
569 	},
570 	[1] = {
571 		.start  = gic_spi(146),
572 		.flags  = IORESOURCE_IRQ,
573 	},
574 };
575 
576 static struct platform_device fsi_device = {
577 	.name		= "sh_fsi2",
578 	.id		= -1,
579 	.num_resources	= ARRAY_SIZE(fsi_resources),
580 	.resource	= fsi_resources,
581 	.dev	= {
582 		.platform_data	= &fsi_info,
583 	},
584 };
585 
586 static struct asoc_simple_card_info fsi2_ak4648_info = {
587 	.name		= "AK4648",
588 	.card		= "FSI2A-AK4648",
589 	.codec		= "ak4642-codec.0-0012",
590 	.platform	= "sh_fsi2",
591 	.daifmt		= SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_CBM_CFM,
592 	.cpu_dai = {
593 		.name	= "fsia-dai",
594 	},
595 	.codec_dai = {
596 		.name	= "ak4642-hifi",
597 		.sysclk	= 11289600,
598 	},
599 };
600 
601 static struct platform_device fsi_ak4648_device = {
602 	.name	= "asoc-simple-card",
603 	.dev	= {
604 		.platform_data	= &fsi2_ak4648_info,
605 		.coherent_dma_mask = DMA_BIT_MASK(32),
606 		.dma_mask = &fsi_ak4648_device.dev.coherent_dma_mask,
607 	},
608 };
609 
610 /* I2C */
611 
612 /* StepDown1 is used to supply 1.315V to the CPU */
613 static struct regulator_init_data as3711_sd1 = {
614 	.constraints = {
615 		.name = "1.315V CPU",
616 		.boot_on = 1,
617 		.always_on = 1,
618 		.min_uV = 1315000,
619 		.max_uV = 1335000,
620 	},
621 };
622 
623 /* StepDown2 is used to supply 1.8V to the CPU and to the board */
624 static struct regulator_init_data as3711_sd2 = {
625 	.constraints = {
626 		.name = "1.8V",
627 		.boot_on = 1,
628 		.always_on = 1,
629 		.min_uV = 1800000,
630 		.max_uV = 1800000,
631 	},
632 };
633 
634 /*
635  * StepDown3 is switched in parallel with StepDown2, seems to be off,
636  * according to read-back pre-set register values
637  */
638 
639 /* StepDown4 is used to supply 1.215V to the CPU and to the board */
640 static struct regulator_init_data as3711_sd4 = {
641 	.constraints = {
642 		.name = "1.215V",
643 		.boot_on = 1,
644 		.always_on = 1,
645 		.min_uV = 1215000,
646 		.max_uV = 1235000,
647 	},
648 };
649 
650 /* LDO1 is unused and unconnected */
651 
652 /* LDO2 is used to supply 2.8V to the CPU */
653 static struct regulator_init_data as3711_ldo2 = {
654 	.constraints = {
655 		.name = "2.8V CPU",
656 		.boot_on = 1,
657 		.always_on = 1,
658 		.min_uV = 2800000,
659 		.max_uV = 2800000,
660 	},
661 };
662 
663 /* LDO3 is used to supply 3.0V to the CPU */
664 static struct regulator_init_data as3711_ldo3 = {
665 	.constraints = {
666 		.name = "3.0V CPU",
667 		.boot_on = 1,
668 		.always_on = 1,
669 		.min_uV = 3000000,
670 		.max_uV = 3000000,
671 	},
672 };
673 
674 /* LDO4 is used to supply 2.8V to the board */
675 static struct regulator_init_data as3711_ldo4 = {
676 	.constraints = {
677 		.name = "2.8V",
678 		.boot_on = 1,
679 		.always_on = 1,
680 		.min_uV = 2800000,
681 		.max_uV = 2800000,
682 	},
683 };
684 
685 /* LDO5 is switched parallel to LDO4, also set to 2.8V */
686 static struct regulator_init_data as3711_ldo5 = {
687 	.constraints = {
688 		.name = "2.8V #2",
689 		.boot_on = 1,
690 		.always_on = 1,
691 		.min_uV = 2800000,
692 		.max_uV = 2800000,
693 	},
694 };
695 
696 /* LDO6 is unused and unconnected */
697 
698 /* LDO7 is used to supply 1.15V to the CPU */
699 static struct regulator_init_data as3711_ldo7 = {
700 	.constraints = {
701 		.name = "1.15V CPU",
702 		.boot_on = 1,
703 		.always_on = 1,
704 		.min_uV = 1150000,
705 		.max_uV = 1150000,
706 	},
707 };
708 
709 /* LDO8 is switched parallel to LDO7, also set to 1.15V */
710 static struct regulator_init_data as3711_ldo8 = {
711 	.constraints = {
712 		.name = "1.15V CPU #2",
713 		.boot_on = 1,
714 		.always_on = 1,
715 		.min_uV = 1150000,
716 		.max_uV = 1150000,
717 	},
718 };
719 
720 static struct as3711_platform_data as3711_pdata = {
721 	.regulator	= {
722 		.init_data	= {
723 			[AS3711_REGULATOR_SD_1] = &as3711_sd1,
724 			[AS3711_REGULATOR_SD_2] = &as3711_sd2,
725 			[AS3711_REGULATOR_SD_4] = &as3711_sd4,
726 			[AS3711_REGULATOR_LDO_2] = &as3711_ldo2,
727 			[AS3711_REGULATOR_LDO_3] = &as3711_ldo3,
728 			[AS3711_REGULATOR_LDO_4] = &as3711_ldo4,
729 			[AS3711_REGULATOR_LDO_5] = &as3711_ldo5,
730 			[AS3711_REGULATOR_LDO_7] = &as3711_ldo7,
731 			[AS3711_REGULATOR_LDO_8] = &as3711_ldo8,
732 		},
733 	},
734 	.backlight	= {
735 		.su2_fb = "sh_mobile_lcdc_fb.0",
736 		.su2_max_uA = 36000,
737 		.su2_feedback = AS3711_SU2_CURR_AUTO,
738 		.su2_fbprot = AS3711_SU2_GPIO4,
739 		.su2_auto_curr1 = true,
740 		.su2_auto_curr2 = true,
741 		.su2_auto_curr3 = true,
742 	},
743 };
744 
745 static struct pcf857x_platform_data pcf8575_pdata = {
746 	.gpio_base	= GPIO_PCF8575_BASE,
747 };
748 
749 static struct i2c_board_info i2c0_devices[] = {
750 	{
751 		I2C_BOARD_INFO("ak4648", 0x12),
752 	},
753 	{
754 		I2C_BOARD_INFO("r2025sd", 0x32),
755 	},
756 	{
757 		I2C_BOARD_INFO("ak8975", 0x0c),
758 		.irq = irq_pin(28), /* IRQ28 */
759 	},
760 	{
761 		I2C_BOARD_INFO("adxl34x", 0x1d),
762 		.irq = irq_pin(26), /* IRQ26 */
763 	},
764 	{
765 		I2C_BOARD_INFO("as3711", 0x40),
766 		.irq = intcs_evt2irq(0x3300), /* IRQ24 */
767 		.platform_data = &as3711_pdata,
768 	},
769 };
770 
771 static struct i2c_board_info i2c1_devices[] = {
772 	{
773 		I2C_BOARD_INFO("st1232-ts", 0x55),
774 		.irq = irq_pin(8), /* IRQ8 */
775 	},
776 };
777 
778 static struct i2c_board_info i2c3_devices[] = {
779 	{
780 		I2C_BOARD_INFO("pcf8575", 0x20),
781 		.irq = irq_pin(19), /* IRQ19 */
782 		.platform_data = &pcf8575_pdata,
783 	},
784 };
785 
786 static struct platform_device *kzm_devices[] __initdata = {
787 	&smsc_device,
788 	&usb_host_device,
789 	&usbhs_device,
790 	&lcdc_device,
791 	&mmc_device,
792 	&vcc_sdhi0,
793 	&vcc_sdhi2,
794 	&sdhi0_device,
795 	&sdhi2_device,
796 	&gpio_keys_device,
797 	&fsi_device,
798 	&fsi_ak4648_device,
799 };
800 
801 static unsigned long pin_pullup_conf[] = {
802 	PIN_CONF_PACKED(PIN_CONFIG_BIAS_PULL_UP, 0),
803 };
804 
805 static const struct pinctrl_map kzm_pinctrl_map[] = {
806 	/* FSIA (AK4648) */
807 	PIN_MAP_MUX_GROUP_DEFAULT("sh_fsi2", "pfc-sh73a0",
808 				  "fsia_mclk_in", "fsia"),
809 	PIN_MAP_MUX_GROUP_DEFAULT("sh_fsi2", "pfc-sh73a0",
810 				  "fsia_sclk_in", "fsia"),
811 	PIN_MAP_MUX_GROUP_DEFAULT("sh_fsi2", "pfc-sh73a0",
812 				  "fsia_data_in", "fsia"),
813 	PIN_MAP_MUX_GROUP_DEFAULT("sh_fsi2", "pfc-sh73a0",
814 				  "fsia_data_out", "fsia"),
815 	/* I2C3 */
816 	PIN_MAP_MUX_GROUP_DEFAULT("i2c-sh_mobile.3", "pfc-sh73a0",
817 				  "i2c3_1", "i2c3"),
818 	/* LCD */
819 	PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_lcdc_fb.0", "pfc-sh73a0",
820 				  "lcd_data24", "lcd"),
821 	PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_lcdc_fb.0", "pfc-sh73a0",
822 				  "lcd_sync", "lcd"),
823 	/* MMCIF */
824 	PIN_MAP_MUX_GROUP_DEFAULT("sh_mmcif.0", "pfc-sh73a0",
825 				  "mmc0_data8_0", "mmc0"),
826 	PIN_MAP_MUX_GROUP_DEFAULT("sh_mmcif.0", "pfc-sh73a0",
827 				  "mmc0_ctrl_0", "mmc0"),
828 	PIN_MAP_CONFIGS_PIN_DEFAULT("sh_mmcif.0", "pfc-sh73a0",
829 				    "PORT279", pin_pullup_conf),
830 	PIN_MAP_CONFIGS_GROUP_DEFAULT("sh_mmcif.0", "pfc-sh73a0",
831 				      "mmc0_data8_0", pin_pullup_conf),
832 	/* SCIFA4 */
833 	PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.4", "pfc-sh73a0",
834 				  "scifa4_data", "scifa4"),
835 	PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.4", "pfc-sh73a0",
836 				  "scifa4_ctrl", "scifa4"),
837 	/* SDHI0 */
838 	PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-sh73a0",
839 				  "sdhi0_data4", "sdhi0"),
840 	PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-sh73a0",
841 				  "sdhi0_ctrl", "sdhi0"),
842 	PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-sh73a0",
843 				  "sdhi0_cd", "sdhi0"),
844 	PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-sh73a0",
845 				  "sdhi0_wp", "sdhi0"),
846 	/* SDHI2 */
847 	PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.2", "pfc-sh73a0",
848 				  "sdhi2_data4", "sdhi2"),
849 	PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.2", "pfc-sh73a0",
850 				  "sdhi2_ctrl", "sdhi2"),
851 	/* SMSC */
852 	PIN_MAP_MUX_GROUP_DEFAULT("smsc911x.0", "pfc-sh73a0",
853 				  "bsc_cs4", "bsc"),
854 	/* USB */
855 	PIN_MAP_MUX_GROUP_DEFAULT("renesas_usbhs", "pfc-sh73a0",
856 				  "usb_vbus", "usb"),
857 };
858 
kzm_init(void)859 static void __init kzm_init(void)
860 {
861 	regulator_register_always_on(2, "fixed-1.8V", fixed1v8_power_consumers,
862 				     ARRAY_SIZE(fixed1v8_power_consumers), 1800000);
863 	regulator_register_fixed(3, dummy_supplies, ARRAY_SIZE(dummy_supplies));
864 
865 	pinctrl_register_mappings(kzm_pinctrl_map, ARRAY_SIZE(kzm_pinctrl_map));
866 
867 	sh73a0_pinmux_init();
868 
869 	/* SMSC */
870 	gpio_request_one(224, GPIOF_IN, NULL); /* IRQ3 */
871 
872 	/* LCDC */
873 	gpio_request_one(222, GPIOF_OUT_INIT_HIGH, NULL); /* LCDCDON */
874 	gpio_request_one(226, GPIOF_OUT_INIT_HIGH, NULL); /* SC */
875 
876 	/* Touchscreen */
877 	gpio_request_one(223, GPIOF_IN, NULL); /* IRQ8 */
878 
879 #ifdef CONFIG_CACHE_L2X0
880 	/* Shared attribute override enable, 64K*8way */
881 	l2x0_init(IOMEM(0xf0100000), 0x00400000, 0xc20f0fff);
882 #endif
883 
884 	i2c_register_board_info(0, i2c0_devices, ARRAY_SIZE(i2c0_devices));
885 	i2c_register_board_info(1, i2c1_devices, ARRAY_SIZE(i2c1_devices));
886 	i2c_register_board_info(3, i2c3_devices, ARRAY_SIZE(i2c3_devices));
887 
888 	sh73a0_add_standard_devices();
889 	platform_add_devices(kzm_devices, ARRAY_SIZE(kzm_devices));
890 
891 	sh73a0_pm_init();
892 }
893 
kzm9g_restart(enum reboot_mode mode,const char * cmd)894 static void kzm9g_restart(enum reboot_mode mode, const char *cmd)
895 {
896 #define RESCNT2 IOMEM(0xe6188020)
897 	/* Do soft power on reset */
898 	writel((1 << 31), RESCNT2);
899 }
900 
901 static const char *kzm9g_boards_compat_dt[] __initdata = {
902 	"renesas,kzm9g",
903 	NULL,
904 };
905 
906 DT_MACHINE_START(KZM9G_DT, "kzm9g")
907 	.smp		= smp_ops(sh73a0_smp_ops),
908 	.map_io		= sh73a0_map_io,
909 	.init_early	= sh73a0_add_early_devices,
910 	.init_irq	= sh73a0_init_irq,
911 	.init_machine	= kzm_init,
912 	.init_late	= shmobile_init_late,
913 	.init_time	= sh73a0_earlytimer_init,
914 	.restart	= kzm9g_restart,
915 	.dt_compat	= kzm9g_boards_compat_dt,
916 MACHINE_END
917