1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * KFR2R09 board support code
4  *
5  * Copyright (C) 2009 Magnus Damm
6  */
7 
8 #include <asm/clock.h>
9 #include <asm/io.h>
10 #include <asm/machvec.h>
11 #include <asm/suspend.h>
12 
13 #include <cpu/sh7724.h>
14 
15 #include <linux/clkdev.h>
16 #include <linux/delay.h>
17 #include <linux/dma-mapping.h>
18 #include <linux/gpio.h>
19 #include <linux/gpio/machine.h>
20 #include <linux/i2c.h>
21 #include <linux/init.h>
22 #include <linux/input.h>
23 #include <linux/input/sh_keysc.h>
24 #include <linux/interrupt.h>
25 #include <linux/memblock.h>
26 #include <linux/mfd/tmio.h>
27 #include <linux/mmc/host.h>
28 #include <linux/mtd/physmap.h>
29 #include <linux/platform_data/lv5207lp.h>
30 #include <linux/platform_device.h>
31 #include <linux/regulator/fixed.h>
32 #include <linux/regulator/machine.h>
33 #include <linux/sh_intc.h>
34 #include <linux/usb/r8a66597.h>
35 #include <linux/videodev2.h>
36 
37 #include <mach/kfr2r09.h>
38 
39 #include <media/drv-intf/renesas-ceu.h>
40 #include <media/i2c/rj54n1cb0c.h>
41 
42 #include <video/sh_mobile_lcdc.h>
43 
44 #define CEU_BUFFER_MEMORY_SIZE		(4 << 20)
45 static phys_addr_t ceu_dma_membase;
46 
47 /* set VIO_CKO clock to 25MHz */
48 #define CEU_MCLK_FREQ			25000000
49 #define DRVCRB				0xA405018C
50 
51 static struct mtd_partition kfr2r09_nor_flash_partitions[] =
52 {
53 	{
54 		.name = "boot",
55 		.offset = 0,
56 		.size = (4 * 1024 * 1024),
57 		.mask_flags = MTD_WRITEABLE,	/* Read-only */
58 	},
59 	{
60 		.name = "other",
61 		.offset = MTDPART_OFS_APPEND,
62 		.size = MTDPART_SIZ_FULL,
63 	},
64 };
65 
66 static struct physmap_flash_data kfr2r09_nor_flash_data = {
67 	.width		= 2,
68 	.parts		= kfr2r09_nor_flash_partitions,
69 	.nr_parts	= ARRAY_SIZE(kfr2r09_nor_flash_partitions),
70 };
71 
72 static struct resource kfr2r09_nor_flash_resources[] = {
73 	[0] = {
74 		.name		= "NOR Flash",
75 		.start		= 0x00000000,
76 		.end		= 0x03ffffff,
77 		.flags		= IORESOURCE_MEM,
78 	}
79 };
80 
81 static struct platform_device kfr2r09_nor_flash_device = {
82 	.name		= "physmap-flash",
83 	.resource	= kfr2r09_nor_flash_resources,
84 	.num_resources	= ARRAY_SIZE(kfr2r09_nor_flash_resources),
85 	.dev		= {
86 		.platform_data = &kfr2r09_nor_flash_data,
87 	},
88 };
89 
90 static struct resource kfr2r09_nand_flash_resources[] = {
91 	[0] = {
92 		.name		= "NAND Flash",
93 		.start		= 0x10000000,
94 		.end		= 0x1001ffff,
95 		.flags		= IORESOURCE_MEM,
96 	}
97 };
98 
99 static struct platform_device kfr2r09_nand_flash_device = {
100 	.name		= "onenand-flash",
101 	.resource	= kfr2r09_nand_flash_resources,
102 	.num_resources	= ARRAY_SIZE(kfr2r09_nand_flash_resources),
103 };
104 
105 static struct sh_keysc_info kfr2r09_sh_keysc_info = {
106 	.mode = SH_KEYSC_MODE_1, /* KEYOUT0->4, KEYIN0->4 */
107 	.scan_timing = 3,
108 	.delay = 10,
109 	.keycodes = {
110 		KEY_PHONE, KEY_CLEAR, KEY_MAIL, KEY_WWW, KEY_ENTER,
111 		KEY_1, KEY_2, KEY_3, 0, KEY_UP,
112 		KEY_4, KEY_5, KEY_6, 0, KEY_LEFT,
113 		KEY_7, KEY_8, KEY_9, KEY_PROG1, KEY_RIGHT,
114 		KEY_S, KEY_0, KEY_P, KEY_PROG2, KEY_DOWN,
115 		0, 0, 0, 0, 0
116 	},
117 };
118 
119 static struct resource kfr2r09_sh_keysc_resources[] = {
120 	[0] = {
121 		.name	= "KEYSC",
122 		.start  = 0x044b0000,
123 		.end    = 0x044b000f,
124 		.flags  = IORESOURCE_MEM,
125 	},
126 	[1] = {
127 		.start  = evt2irq(0xbe0),
128 		.flags  = IORESOURCE_IRQ,
129 	},
130 };
131 
132 static struct platform_device kfr2r09_sh_keysc_device = {
133 	.name           = "sh_keysc",
134 	.id             = 0, /* "keysc0" clock */
135 	.num_resources  = ARRAY_SIZE(kfr2r09_sh_keysc_resources),
136 	.resource       = kfr2r09_sh_keysc_resources,
137 	.dev	= {
138 		.platform_data	= &kfr2r09_sh_keysc_info,
139 	},
140 };
141 
142 static const struct fb_videomode kfr2r09_lcdc_modes[] = {
143 	{
144 		.name = "TX07D34VM0AAA",
145 		.xres = 240,
146 		.yres = 400,
147 		.left_margin = 0,
148 		.right_margin = 16,
149 		.hsync_len = 8,
150 		.upper_margin = 0,
151 		.lower_margin = 1,
152 		.vsync_len = 1,
153 		.sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
154 	},
155 };
156 
157 static struct sh_mobile_lcdc_info kfr2r09_sh_lcdc_info = {
158 	.clock_source = LCDC_CLK_BUS,
159 	.ch[0] = {
160 		.chan = LCDC_CHAN_MAINLCD,
161 		.fourcc = V4L2_PIX_FMT_RGB565,
162 		.interface_type = SYS18,
163 		.clock_divider = 6,
164 		.flags = LCDC_FLAGS_DWPOL,
165 		.lcd_modes = kfr2r09_lcdc_modes,
166 		.num_modes = ARRAY_SIZE(kfr2r09_lcdc_modes),
167 		.panel_cfg = {
168 			.width = 35,
169 			.height = 58,
170 			.setup_sys = kfr2r09_lcd_setup,
171 			.start_transfer = kfr2r09_lcd_start,
172 		},
173 		.sys_bus_cfg = {
174 			.ldmt2r = 0x07010904,
175 			.ldmt3r = 0x14012914,
176 			/* set 1s delay to encourage fsync() */
177 			.deferred_io_msec = 1000,
178 		},
179 	}
180 };
181 
182 static struct resource kfr2r09_sh_lcdc_resources[] = {
183 	[0] = {
184 		.name	= "LCDC",
185 		.start	= 0xfe940000, /* P4-only space */
186 		.end	= 0xfe942fff,
187 		.flags	= IORESOURCE_MEM,
188 	},
189 	[1] = {
190 		.start	= evt2irq(0xf40),
191 		.flags	= IORESOURCE_IRQ,
192 	},
193 };
194 
195 static struct platform_device kfr2r09_sh_lcdc_device = {
196 	.name		= "sh_mobile_lcdc_fb",
197 	.num_resources	= ARRAY_SIZE(kfr2r09_sh_lcdc_resources),
198 	.resource	= kfr2r09_sh_lcdc_resources,
199 	.dev	= {
200 		.platform_data	= &kfr2r09_sh_lcdc_info,
201 	},
202 };
203 
204 static struct lv5207lp_platform_data kfr2r09_backlight_data = {
205 	.fbdev = &kfr2r09_sh_lcdc_device.dev,
206 	.def_value = 13,
207 	.max_value = 13,
208 };
209 
210 static struct i2c_board_info kfr2r09_backlight_board_info = {
211 	I2C_BOARD_INFO("lv5207lp", 0x75),
212 	.platform_data = &kfr2r09_backlight_data,
213 };
214 
215 static struct r8a66597_platdata kfr2r09_usb0_gadget_data = {
216 	.on_chip = 1,
217 };
218 
219 static struct resource kfr2r09_usb0_gadget_resources[] = {
220 	[0] = {
221 		.start	= 0x04d80000,
222 		.end	= 0x04d80123,
223 		.flags	= IORESOURCE_MEM,
224 	},
225 	[1] = {
226 		.start	= evt2irq(0xa20),
227 		.end	= evt2irq(0xa20),
228 		.flags	= IORESOURCE_IRQ | IRQF_TRIGGER_LOW,
229 	},
230 };
231 
232 static struct platform_device kfr2r09_usb0_gadget_device = {
233 	.name		= "r8a66597_udc",
234 	.id		= 0,
235 	.dev = {
236 		.dma_mask		= NULL,         /*  not use dma */
237 		.coherent_dma_mask	= 0xffffffff,
238 		.platform_data	= &kfr2r09_usb0_gadget_data,
239 	},
240 	.num_resources	= ARRAY_SIZE(kfr2r09_usb0_gadget_resources),
241 	.resource	= kfr2r09_usb0_gadget_resources,
242 };
243 
244 static struct ceu_platform_data ceu_pdata = {
245 	.num_subdevs			= 1,
246 	.subdevs = {
247 		{ /* [0] = rj54n1cb0c */
248 			.flags		= 0,
249 			.bus_width	= 8,
250 			.bus_shift	= 0,
251 			.i2c_adapter_id	= 1,
252 			.i2c_address	= 0x50,
253 		},
254 	},
255 };
256 
257 static struct resource kfr2r09_ceu_resources[] = {
258 	[0] = {
259 		.name	= "CEU",
260 		.start	= 0xfe910000,
261 		.end	= 0xfe91009f,
262 		.flags	= IORESOURCE_MEM,
263 	},
264 	[1] = {
265 		.start  = evt2irq(0x880),
266 		.end	= evt2irq(0x880),
267 		.flags  = IORESOURCE_IRQ,
268 	},
269 };
270 
271 static struct platform_device kfr2r09_ceu_device = {
272 	.name		= "renesas-ceu",
273 	.id             = 0, /* "ceu0" clock */
274 	.num_resources	= ARRAY_SIZE(kfr2r09_ceu_resources),
275 	.resource	= kfr2r09_ceu_resources,
276 	.dev	= {
277 		.platform_data	= &ceu_pdata,
278 	},
279 };
280 
281 static struct rj54n1_pdata rj54n1_priv = {
282 	.mclk_freq	= CEU_MCLK_FREQ,
283 	.ioctl_high	= false,
284 };
285 
286 static struct i2c_board_info kfr2r09_i2c_camera = {
287 	I2C_BOARD_INFO("rj54n1cb0c", 0x50),
288 	.platform_data = &rj54n1_priv,
289 };
290 
291 static struct gpiod_lookup_table rj54n1_gpios = {
292 	.dev_id		= "1-0050",
293 	.table		= {
294 		GPIO_LOOKUP("sh7724_pfc", GPIO_PTB4, "poweron",
295 			    GPIO_ACTIVE_HIGH),
296 		GPIO_LOOKUP("sh7724_pfc", GPIO_PTB7, "enable",
297 			    GPIO_ACTIVE_HIGH),
298 	},
299 };
300 
301 /* Fixed 3.3V regulator to be used by SDHI0 */
302 static struct regulator_consumer_supply fixed3v3_power_consumers[] =
303 {
304 	REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
305 	REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
306 };
307 
308 static struct resource kfr2r09_sh_sdhi0_resources[] = {
309 	[0] = {
310 		.name	= "SDHI0",
311 		.start  = 0x04ce0000,
312 		.end    = 0x04ce00ff,
313 		.flags  = IORESOURCE_MEM,
314 	},
315 	[1] = {
316 		.start  = evt2irq(0xe80),
317 		.flags  = IORESOURCE_IRQ,
318 	},
319 };
320 
321 static struct tmio_mmc_data sh7724_sdhi0_data = {
322 	.chan_priv_tx	= (void *)SHDMA_SLAVE_SDHI0_TX,
323 	.chan_priv_rx	= (void *)SHDMA_SLAVE_SDHI0_RX,
324 	.capabilities	= MMC_CAP_SDIO_IRQ,
325 	.capabilities2	= MMC_CAP2_NO_WRITE_PROTECT,
326 };
327 
328 static struct platform_device kfr2r09_sh_sdhi0_device = {
329 	.name           = "sh_mobile_sdhi",
330 	.num_resources  = ARRAY_SIZE(kfr2r09_sh_sdhi0_resources),
331 	.resource       = kfr2r09_sh_sdhi0_resources,
332 	.dev = {
333 		.platform_data	= &sh7724_sdhi0_data,
334 	},
335 };
336 
337 static struct platform_device *kfr2r09_devices[] __initdata = {
338 	&kfr2r09_nor_flash_device,
339 	&kfr2r09_nand_flash_device,
340 	&kfr2r09_sh_keysc_device,
341 	&kfr2r09_sh_lcdc_device,
342 	&kfr2r09_sh_sdhi0_device,
343 };
344 
345 #define BSC_CS0BCR 0xfec10004
346 #define BSC_CS0WCR 0xfec10024
347 #define BSC_CS4BCR 0xfec10010
348 #define BSC_CS4WCR 0xfec10030
349 #define PORT_MSELCRB 0xa4050182
350 
351 #ifdef CONFIG_I2C
352 static int kfr2r09_usb0_gadget_i2c_setup(void)
353 {
354 	struct i2c_adapter *a;
355 	struct i2c_msg msg;
356 	unsigned char buf[2];
357 	int ret;
358 
359 	a = i2c_get_adapter(0);
360 	if (!a)
361 		return -ENODEV;
362 
363 	/* set bit 1 (the second bit) of chip at 0x09, register 0x13 */
364 	buf[0] = 0x13;
365 	msg.addr = 0x09;
366 	msg.buf = buf;
367 	msg.len = 1;
368 	msg.flags = 0;
369 	ret = i2c_transfer(a, &msg, 1);
370 	if (ret != 1)
371 		return -ENODEV;
372 
373 	buf[0] = 0;
374 	msg.addr = 0x09;
375 	msg.buf = buf;
376 	msg.len = 1;
377 	msg.flags = I2C_M_RD;
378 	ret = i2c_transfer(a, &msg, 1);
379 	if (ret != 1)
380 		return -ENODEV;
381 
382 	buf[1] = buf[0] | (1 << 1);
383 	buf[0] = 0x13;
384 	msg.addr = 0x09;
385 	msg.buf = buf;
386 	msg.len = 2;
387 	msg.flags = 0;
388 	ret = i2c_transfer(a, &msg, 1);
389 	if (ret != 1)
390 		return -ENODEV;
391 
392 	return 0;
393 }
394 
395 static int kfr2r09_serial_i2c_setup(void)
396 {
397 	struct i2c_adapter *a;
398 	struct i2c_msg msg;
399 	unsigned char buf[2];
400 	int ret;
401 
402 	a = i2c_get_adapter(0);
403 	if (!a)
404 		return -ENODEV;
405 
406 	/* set bit 6 (the 7th bit) of chip at 0x09, register 0x13 */
407 	buf[0] = 0x13;
408 	msg.addr = 0x09;
409 	msg.buf = buf;
410 	msg.len = 1;
411 	msg.flags = 0;
412 	ret = i2c_transfer(a, &msg, 1);
413 	if (ret != 1)
414 		return -ENODEV;
415 
416 	buf[0] = 0;
417 	msg.addr = 0x09;
418 	msg.buf = buf;
419 	msg.len = 1;
420 	msg.flags = I2C_M_RD;
421 	ret = i2c_transfer(a, &msg, 1);
422 	if (ret != 1)
423 		return -ENODEV;
424 
425 	buf[1] = buf[0] | (1 << 6);
426 	buf[0] = 0x13;
427 	msg.addr = 0x09;
428 	msg.buf = buf;
429 	msg.len = 2;
430 	msg.flags = 0;
431 	ret = i2c_transfer(a, &msg, 1);
432 	if (ret != 1)
433 		return -ENODEV;
434 
435 	return 0;
436 }
437 #else
438 static int kfr2r09_usb0_gadget_i2c_setup(void)
439 {
440 	return -ENODEV;
441 }
442 
443 static int kfr2r09_serial_i2c_setup(void)
444 {
445 	return -ENODEV;
446 }
447 #endif
448 
449 static int kfr2r09_usb0_gadget_setup(void)
450 {
451 	int plugged_in;
452 
453 	gpio_request(GPIO_PTN4, NULL); /* USB_DET */
454 	gpio_direction_input(GPIO_PTN4);
455 	plugged_in = gpio_get_value(GPIO_PTN4);
456 	if (!plugged_in)
457 		return -ENODEV; /* no cable plugged in */
458 
459 	if (kfr2r09_usb0_gadget_i2c_setup() != 0)
460 		return -ENODEV; /* unable to configure using i2c */
461 
462 	__raw_writew((__raw_readw(PORT_MSELCRB) & ~0xc000) | 0x8000, PORT_MSELCRB);
463 	gpio_request(GPIO_FN_PDSTATUS, NULL); /* R-standby disables USB clock */
464 	gpio_request(GPIO_PTV6, NULL); /* USBCLK_ON */
465 	gpio_direction_output(GPIO_PTV6, 1); /* USBCLK_ON = H */
466 	msleep(20); /* wait 20ms to let the clock settle */
467 	clk_enable(clk_get(NULL, "usb0"));
468 	__raw_writew(0x0600, 0xa40501d4);
469 
470 	return 0;
471 }
472 
473 extern char kfr2r09_sdram_enter_start;
474 extern char kfr2r09_sdram_enter_end;
475 extern char kfr2r09_sdram_leave_start;
476 extern char kfr2r09_sdram_leave_end;
477 
478 static int __init kfr2r09_devices_setup(void)
479 {
480 	struct clk *camera_clk;
481 
482 	/* register board specific self-refresh code */
483 	sh_mobile_register_self_refresh(SUSP_SH_STANDBY | SUSP_SH_SF |
484 					SUSP_SH_RSTANDBY,
485 					&kfr2r09_sdram_enter_start,
486 					&kfr2r09_sdram_enter_end,
487 					&kfr2r09_sdram_leave_start,
488 					&kfr2r09_sdram_leave_end);
489 
490 	regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers,
491 				     ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
492 
493 	/* enable SCIF1 serial port for YC401 console support */
494 	gpio_request(GPIO_FN_SCIF1_RXD, NULL);
495 	gpio_request(GPIO_FN_SCIF1_TXD, NULL);
496 	kfr2r09_serial_i2c_setup(); /* ECONTMSK(bit6=L10ONEN) set 1 */
497 	gpio_request(GPIO_PTG3, NULL); /* HPON_ON */
498 	gpio_direction_output(GPIO_PTG3, 1); /* HPON_ON = H */
499 
500 	/* setup NOR flash at CS0 */
501 	__raw_writel(0x36db0400, BSC_CS0BCR);
502 	__raw_writel(0x00000500, BSC_CS0WCR);
503 
504 	/* setup NAND flash at CS4 */
505 	__raw_writel(0x36db0400, BSC_CS4BCR);
506 	__raw_writel(0x00000500, BSC_CS4WCR);
507 
508 	/* setup KEYSC pins */
509 	gpio_request(GPIO_FN_KEYOUT0, NULL);
510 	gpio_request(GPIO_FN_KEYOUT1, NULL);
511 	gpio_request(GPIO_FN_KEYOUT2, NULL);
512 	gpio_request(GPIO_FN_KEYOUT3, NULL);
513 	gpio_request(GPIO_FN_KEYOUT4_IN6, NULL);
514 	gpio_request(GPIO_FN_KEYIN0, NULL);
515 	gpio_request(GPIO_FN_KEYIN1, NULL);
516 	gpio_request(GPIO_FN_KEYIN2, NULL);
517 	gpio_request(GPIO_FN_KEYIN3, NULL);
518 	gpio_request(GPIO_FN_KEYIN4, NULL);
519 	gpio_request(GPIO_FN_KEYOUT5_IN5, NULL);
520 
521 	/* setup LCDC pins for SYS panel */
522 	gpio_request(GPIO_FN_LCDD17, NULL);
523 	gpio_request(GPIO_FN_LCDD16, NULL);
524 	gpio_request(GPIO_FN_LCDD15, NULL);
525 	gpio_request(GPIO_FN_LCDD14, NULL);
526 	gpio_request(GPIO_FN_LCDD13, NULL);
527 	gpio_request(GPIO_FN_LCDD12, NULL);
528 	gpio_request(GPIO_FN_LCDD11, NULL);
529 	gpio_request(GPIO_FN_LCDD10, NULL);
530 	gpio_request(GPIO_FN_LCDD9, NULL);
531 	gpio_request(GPIO_FN_LCDD8, NULL);
532 	gpio_request(GPIO_FN_LCDD7, NULL);
533 	gpio_request(GPIO_FN_LCDD6, NULL);
534 	gpio_request(GPIO_FN_LCDD5, NULL);
535 	gpio_request(GPIO_FN_LCDD4, NULL);
536 	gpio_request(GPIO_FN_LCDD3, NULL);
537 	gpio_request(GPIO_FN_LCDD2, NULL);
538 	gpio_request(GPIO_FN_LCDD1, NULL);
539 	gpio_request(GPIO_FN_LCDD0, NULL);
540 	gpio_request(GPIO_FN_LCDRS, NULL); /* LCD_RS */
541 	gpio_request(GPIO_FN_LCDCS, NULL); /* LCD_CS/ */
542 	gpio_request(GPIO_FN_LCDRD, NULL); /* LCD_RD/ */
543 	gpio_request(GPIO_FN_LCDWR, NULL); /* LCD_WR/ */
544 	gpio_request(GPIO_FN_LCDVSYN, NULL); /* LCD_VSYNC */
545 	gpio_request(GPIO_PTE4, NULL); /* LCD_RST/ */
546 	gpio_direction_output(GPIO_PTE4, 1);
547 	gpio_request(GPIO_PTF4, NULL); /* PROTECT/ */
548 	gpio_direction_output(GPIO_PTF4, 1);
549 	gpio_request(GPIO_PTU0, NULL); /* LEDSTDBY/ */
550 	gpio_direction_output(GPIO_PTU0, 1);
551 
552 	/* setup USB function */
553 	if (kfr2r09_usb0_gadget_setup() == 0)
554 		platform_device_register(&kfr2r09_usb0_gadget_device);
555 
556 	/* CEU */
557 	gpio_request(GPIO_FN_VIO_CKO, NULL);
558 	gpio_request(GPIO_FN_VIO0_CLK, NULL);
559 	gpio_request(GPIO_FN_VIO0_VD, NULL);
560 	gpio_request(GPIO_FN_VIO0_HD, NULL);
561 	gpio_request(GPIO_FN_VIO0_FLD, NULL);
562 	gpio_request(GPIO_FN_VIO0_D7, NULL);
563 	gpio_request(GPIO_FN_VIO0_D6, NULL);
564 	gpio_request(GPIO_FN_VIO0_D5, NULL);
565 	gpio_request(GPIO_FN_VIO0_D4, NULL);
566 	gpio_request(GPIO_FN_VIO0_D3, NULL);
567 	gpio_request(GPIO_FN_VIO0_D2, NULL);
568 	gpio_request(GPIO_FN_VIO0_D1, NULL);
569 	gpio_request(GPIO_FN_VIO0_D0, NULL);
570 
571 	/* SDHI0 connected to yc304 */
572 	gpio_request(GPIO_FN_SDHI0CD, NULL);
573 	gpio_request(GPIO_FN_SDHI0D3, NULL);
574 	gpio_request(GPIO_FN_SDHI0D2, NULL);
575 	gpio_request(GPIO_FN_SDHI0D1, NULL);
576 	gpio_request(GPIO_FN_SDHI0D0, NULL);
577 	gpio_request(GPIO_FN_SDHI0CMD, NULL);
578 	gpio_request(GPIO_FN_SDHI0CLK, NULL);
579 
580 	i2c_register_board_info(0, &kfr2r09_backlight_board_info, 1);
581 
582 	/* Set camera clock frequency and register and alias for rj54n1. */
583 	camera_clk = clk_get(NULL, "video_clk");
584 	if (!IS_ERR(camera_clk)) {
585 		clk_set_rate(camera_clk,
586 			     clk_round_rate(camera_clk, CEU_MCLK_FREQ));
587 		clk_put(camera_clk);
588 	}
589 	clk_add_alias(NULL, "1-0050", "video_clk", NULL);
590 
591 	/* set DRVCRB
592 	 *
593 	 * use 1.8 V for VccQ_VIO
594 	 * use 2.85V for VccQ_SR
595 	 */
596 	__raw_writew((__raw_readw(DRVCRB) & ~0x0003) | 0x0001, DRVCRB);
597 
598 	gpiod_add_lookup_table(&rj54n1_gpios);
599 
600 	i2c_register_board_info(1, &kfr2r09_i2c_camera, 1);
601 
602 	/* Initialize CEU platform device separately to map memory first */
603 	device_initialize(&kfr2r09_ceu_device.dev);
604 	arch_setup_pdev_archdata(&kfr2r09_ceu_device);
605 	dma_declare_coherent_memory(&kfr2r09_ceu_device.dev,
606 			ceu_dma_membase, ceu_dma_membase,
607 			ceu_dma_membase + CEU_BUFFER_MEMORY_SIZE - 1);
608 
609 	platform_device_add(&kfr2r09_ceu_device);
610 
611 	return platform_add_devices(kfr2r09_devices,
612 				    ARRAY_SIZE(kfr2r09_devices));
613 }
614 device_initcall(kfr2r09_devices_setup);
615 
616 /* Return the board specific boot mode pin configuration */
617 static int kfr2r09_mode_pins(void)
618 {
619 	/* MD0=1, MD1=1, MD2=0: Clock Mode 3
620 	 * MD3=0: 16-bit Area0 Bus Width
621 	 * MD5=1: Little Endian
622 	 * MD8=1: Test Mode Disabled
623 	 */
624 	return MODE_PIN0 | MODE_PIN1 | MODE_PIN5 | MODE_PIN8;
625 }
626 
627 /* Reserve a portion of memory for CEU buffers */
628 static void __init kfr2r09_mv_mem_reserve(void)
629 {
630 	phys_addr_t phys;
631 	phys_addr_t size = CEU_BUFFER_MEMORY_SIZE;
632 
633 	phys = memblock_phys_alloc(size, PAGE_SIZE);
634 	if (!phys)
635 		panic("Failed to allocate CEU memory\n");
636 
637 	memblock_free(phys, size);
638 	memblock_remove(phys, size);
639 
640 	ceu_dma_membase = phys;
641 }
642 
643 /*
644  * The Machine Vector
645  */
646 static struct sh_machine_vector mv_kfr2r09 __initmv = {
647 	.mv_name		= "kfr2r09",
648 	.mv_mode_pins		= kfr2r09_mode_pins,
649 	.mv_mem_reserve         = kfr2r09_mv_mem_reserve,
650 };
651