1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Renesas - AP-325RXA
4 * (Compatible with Algo System ., LTD. - AP-320A)
5 *
6 * Copyright (C) 2008 Renesas Solutions Corp.
7 * Author : Yusuke Goda <goda.yuske@renesas.com>
8 */
9
10#include <asm/clock.h>
11#include <asm/io.h>
12#include <asm/suspend.h>
13
14#include <cpu/sh7723.h>
15
16#include <linux/dma-map-ops.h>
17#include <linux/clkdev.h>
18#include <linux/delay.h>
19#include <linux/device.h>
20#include <linux/gpio.h>
21#include <linux/gpio/machine.h>
22#include <linux/i2c.h>
23#include <linux/init.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/mtd/sh_flctl.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/smsc911x.h>
35#include <linux/videodev2.h>
36
37#include <media/drv-intf/renesas-ceu.h>
38#include <media/i2c/ov772x.h>
39
40#include <video/sh_mobile_lcdc.h>
41
42#define CEU_BUFFER_MEMORY_SIZE		(4 << 20)
43static phys_addr_t ceu_dma_membase;
44
45/* Dummy supplies, where voltage doesn't matter */
46static struct regulator_consumer_supply dummy_supplies[] = {
47	REGULATOR_SUPPLY("vddvario", "smsc911x"),
48	REGULATOR_SUPPLY("vdd33a", "smsc911x"),
49};
50
51static struct smsc911x_platform_config smsc911x_config = {
52	.phy_interface	= PHY_INTERFACE_MODE_MII,
53	.irq_polarity	= SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
54	.irq_type	= SMSC911X_IRQ_TYPE_OPEN_DRAIN,
55	.flags		= SMSC911X_USE_32BIT,
56};
57
58static struct resource smsc9118_resources[] = {
59	[0] = {
60		.start	= 0xb6080000,
61		.end	= 0xb60fffff,
62		.flags	= IORESOURCE_MEM,
63	},
64	[1] = {
65		.start	= evt2irq(0x660),
66		.end	= evt2irq(0x660),
67		.flags	= IORESOURCE_IRQ,
68	}
69};
70
71static struct platform_device smsc9118_device = {
72	.name		= "smsc911x",
73	.id		= -1,
74	.num_resources	= ARRAY_SIZE(smsc9118_resources),
75	.resource	= smsc9118_resources,
76	.dev		= {
77		.platform_data = &smsc911x_config,
78	},
79};
80
81/*
82 * AP320 and AP325RXA has CPLD data in NOR Flash(0xA80000-0xABFFFF).
83 * If this area erased, this board can not boot.
84 */
85static struct mtd_partition ap325rxa_nor_flash_partitions[] = {
86	{
87		.name = "uboot",
88		.offset = 0,
89		.size = (1 * 1024 * 1024),
90		.mask_flags = MTD_WRITEABLE,	/* Read-only */
91	}, {
92		.name = "kernel",
93		.offset = MTDPART_OFS_APPEND,
94		.size = (2 * 1024 * 1024),
95	}, {
96		.name = "free-area0",
97		.offset = MTDPART_OFS_APPEND,
98		.size = ((7 * 1024 * 1024) + (512 * 1024)),
99	}, {
100		.name = "CPLD-Data",
101		.offset = MTDPART_OFS_APPEND,
102		.mask_flags = MTD_WRITEABLE,	/* Read-only */
103		.size = (1024 * 128 * 2),
104	}, {
105		.name = "free-area1",
106		.offset = MTDPART_OFS_APPEND,
107		.size = MTDPART_SIZ_FULL,
108	},
109};
110
111static struct physmap_flash_data ap325rxa_nor_flash_data = {
112	.width		= 2,
113	.parts		= ap325rxa_nor_flash_partitions,
114	.nr_parts	= ARRAY_SIZE(ap325rxa_nor_flash_partitions),
115};
116
117static struct resource ap325rxa_nor_flash_resources[] = {
118	[0] = {
119		.name	= "NOR Flash",
120		.start	= 0x00000000,
121		.end	= 0x00ffffff,
122		.flags	= IORESOURCE_MEM,
123	}
124};
125
126static struct platform_device ap325rxa_nor_flash_device = {
127	.name		= "physmap-flash",
128	.resource	= ap325rxa_nor_flash_resources,
129	.num_resources	= ARRAY_SIZE(ap325rxa_nor_flash_resources),
130	.dev		= {
131		.platform_data = &ap325rxa_nor_flash_data,
132	},
133};
134
135static struct mtd_partition nand_partition_info[] = {
136	{
137		.name	= "nand_data",
138		.offset	= 0,
139		.size	= MTDPART_SIZ_FULL,
140	},
141};
142
143static struct resource nand_flash_resources[] = {
144	[0] = {
145		.start	= 0xa4530000,
146		.end	= 0xa45300ff,
147		.flags	= IORESOURCE_MEM,
148	}
149};
150
151static struct sh_flctl_platform_data nand_flash_data = {
152	.parts		= nand_partition_info,
153	.nr_parts	= ARRAY_SIZE(nand_partition_info),
154	.flcmncr_val	= FCKSEL_E | TYPESEL_SET | NANWF_E,
155	.has_hwecc	= 1,
156};
157
158static struct platform_device nand_flash_device = {
159	.name		= "sh_flctl",
160	.resource	= nand_flash_resources,
161	.num_resources	= ARRAY_SIZE(nand_flash_resources),
162	.dev		= {
163		.platform_data = &nand_flash_data,
164	},
165};
166
167#define FPGA_LCDREG	0xB4100180
168#define FPGA_BKLREG	0xB4100212
169#define FPGA_LCDREG_VAL	0x0018
170#define PORT_MSELCRB	0xA4050182
171#define PORT_HIZCRC	0xA405015C
172#define PORT_DRVCRA	0xA405018A
173#define PORT_DRVCRB	0xA405018C
174
175static int ap320_wvga_set_brightness(int brightness)
176{
177	if (brightness) {
178		gpio_set_value(GPIO_PTS3, 0);
179		__raw_writew(0x100, FPGA_BKLREG);
180	} else {
181		__raw_writew(0, FPGA_BKLREG);
182		gpio_set_value(GPIO_PTS3, 1);
183	}
184
185	return 0;
186}
187
188static void ap320_wvga_power_on(void)
189{
190	msleep(100);
191
192	/* ASD AP-320/325 LCD ON */
193	__raw_writew(FPGA_LCDREG_VAL, FPGA_LCDREG);
194}
195
196static void ap320_wvga_power_off(void)
197{
198	/* ASD AP-320/325 LCD OFF */
199	__raw_writew(0, FPGA_LCDREG);
200}
201
202static const struct fb_videomode ap325rxa_lcdc_modes[] = {
203	{
204		.name = "LB070WV1",
205		.xres = 800,
206		.yres = 480,
207		.left_margin = 32,
208		.right_margin = 160,
209		.hsync_len = 8,
210		.upper_margin = 63,
211		.lower_margin = 80,
212		.vsync_len = 1,
213		.sync = 0, /* hsync and vsync are active low */
214	},
215};
216
217static struct sh_mobile_lcdc_info lcdc_info = {
218	.clock_source = LCDC_CLK_EXTERNAL,
219	.ch[0] = {
220		.chan = LCDC_CHAN_MAINLCD,
221		.fourcc = V4L2_PIX_FMT_RGB565,
222		.interface_type = RGB18,
223		.clock_divider = 1,
224		.lcd_modes = ap325rxa_lcdc_modes,
225		.num_modes = ARRAY_SIZE(ap325rxa_lcdc_modes),
226		.panel_cfg = {
227			.width = 152,	/* 7.0 inch */
228			.height = 91,
229			.display_on = ap320_wvga_power_on,
230			.display_off = ap320_wvga_power_off,
231		},
232		.bl_info = {
233			.name = "sh_mobile_lcdc_bl",
234			.max_brightness = 1,
235			.set_brightness = ap320_wvga_set_brightness,
236		},
237	}
238};
239
240static struct resource lcdc_resources[] = {
241	[0] = {
242		.name	= "LCDC",
243		.start	= 0xfe940000, /* P4-only space */
244		.end	= 0xfe942fff,
245		.flags	= IORESOURCE_MEM,
246	},
247	[1] = {
248		.start	= evt2irq(0x580),
249		.flags	= IORESOURCE_IRQ,
250	},
251};
252
253static struct platform_device lcdc_device = {
254	.name		= "sh_mobile_lcdc_fb",
255	.num_resources	= ARRAY_SIZE(lcdc_resources),
256	.resource	= lcdc_resources,
257	.dev		= {
258		.platform_data	= &lcdc_info,
259	},
260};
261
262/* Powerdown/reset gpios for CEU image sensors */
263static struct gpiod_lookup_table ov7725_gpios = {
264	.dev_id		= "0-0021",
265	.table		= {
266		GPIO_LOOKUP("sh7723_pfc", GPIO_PTZ5, "reset", GPIO_ACTIVE_LOW),
267	},
268};
269
270static struct ceu_platform_data ceu0_pdata = {
271	.num_subdevs			= 1,
272	.subdevs = {
273		{ /* [0] = ov7725  */
274			.flags		= 0,
275			.bus_width	= 8,
276			.bus_shift	= 0,
277			.i2c_adapter_id	= 0,
278			.i2c_address	= 0x21,
279		},
280	},
281};
282
283static struct resource ceu_resources[] = {
284	[0] = {
285		.name	= "CEU",
286		.start	= 0xfe910000,
287		.end	= 0xfe91009f,
288		.flags	= IORESOURCE_MEM,
289	},
290	[1] = {
291		.start  = evt2irq(0x880),
292		.flags  = IORESOURCE_IRQ,
293	},
294};
295
296static struct platform_device ap325rxa_ceu_device = {
297	.name		= "renesas-ceu",
298	.id             = 0, /* "ceu.0" clock */
299	.num_resources	= ARRAY_SIZE(ceu_resources),
300	.resource	= ceu_resources,
301	.dev		= {
302		.platform_data	= &ceu0_pdata,
303	},
304};
305
306/* Fixed 3.3V regulators to be used by SDHI0, SDHI1 */
307static struct regulator_consumer_supply fixed3v3_power_consumers[] =
308{
309	REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
310	REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
311	REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.1"),
312	REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.1"),
313};
314
315static struct resource sdhi0_cn3_resources[] = {
316	[0] = {
317		.name	= "SDHI0",
318		.start	= 0x04ce0000,
319		.end	= 0x04ce00ff,
320		.flags	= IORESOURCE_MEM,
321	},
322	[1] = {
323		.start	= evt2irq(0xe80),
324		.flags  = IORESOURCE_IRQ,
325	},
326};
327
328static struct tmio_mmc_data sdhi0_cn3_data = {
329	.capabilities	= MMC_CAP_SDIO_IRQ,
330};
331
332static struct platform_device sdhi0_cn3_device = {
333	.name		= "sh_mobile_sdhi",
334	.id             = 0, /* "sdhi0" clock */
335	.num_resources	= ARRAY_SIZE(sdhi0_cn3_resources),
336	.resource	= sdhi0_cn3_resources,
337	.dev = {
338		.platform_data = &sdhi0_cn3_data,
339	},
340};
341
342static struct resource sdhi1_cn7_resources[] = {
343	[0] = {
344		.name	= "SDHI1",
345		.start	= 0x04cf0000,
346		.end	= 0x04cf00ff,
347		.flags	= IORESOURCE_MEM,
348	},
349	[1] = {
350		.start	= evt2irq(0x4e0),
351		.flags  = IORESOURCE_IRQ,
352	},
353};
354
355static struct tmio_mmc_data sdhi1_cn7_data = {
356	.capabilities	= MMC_CAP_SDIO_IRQ,
357};
358
359static struct platform_device sdhi1_cn7_device = {
360	.name		= "sh_mobile_sdhi",
361	.id             = 1, /* "sdhi1" clock */
362	.num_resources	= ARRAY_SIZE(sdhi1_cn7_resources),
363	.resource	= sdhi1_cn7_resources,
364	.dev = {
365		.platform_data = &sdhi1_cn7_data,
366	},
367};
368
369static struct ov772x_camera_info ov7725_info = {
370	.flags		= OV772X_FLAG_VFLIP | OV772X_FLAG_HFLIP,
371	.edgectrl	= OV772X_AUTO_EDGECTRL(0xf, 0),
372};
373
374static struct i2c_board_info ap325rxa_i2c_devices[] __initdata = {
375	{
376		I2C_BOARD_INFO("pcf8563", 0x51),
377	},
378	{
379		I2C_BOARD_INFO("ov772x", 0x21),
380		.platform_data = &ov7725_info,
381	},
382};
383
384static struct platform_device *ap325rxa_devices[] __initdata = {
385	&smsc9118_device,
386	&ap325rxa_nor_flash_device,
387	&lcdc_device,
388	&nand_flash_device,
389	&sdhi0_cn3_device,
390	&sdhi1_cn7_device,
391};
392
393extern char ap325rxa_sdram_enter_start;
394extern char ap325rxa_sdram_enter_end;
395extern char ap325rxa_sdram_leave_start;
396extern char ap325rxa_sdram_leave_end;
397
398static int __init ap325rxa_devices_setup(void)
399{
400	/* register board specific self-refresh code */
401	sh_mobile_register_self_refresh(SUSP_SH_STANDBY | SUSP_SH_SF,
402					&ap325rxa_sdram_enter_start,
403					&ap325rxa_sdram_enter_end,
404					&ap325rxa_sdram_leave_start,
405					&ap325rxa_sdram_leave_end);
406
407	regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers,
408				     ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
409	regulator_register_fixed(1, dummy_supplies, ARRAY_SIZE(dummy_supplies));
410
411	/* LD3 and LD4 LEDs */
412	gpio_request(GPIO_PTX5, NULL); /* RUN */
413	gpio_direction_output(GPIO_PTX5, 1);
414	gpio_export(GPIO_PTX5, 0);
415
416	gpio_request(GPIO_PTX4, NULL); /* INDICATOR */
417	gpio_direction_output(GPIO_PTX4, 0);
418	gpio_export(GPIO_PTX4, 0);
419
420	/* SW1 input */
421	gpio_request(GPIO_PTF7, NULL); /* MODE */
422	gpio_direction_input(GPIO_PTF7);
423	gpio_export(GPIO_PTF7, 0);
424
425	/* LCDC */
426	gpio_request(GPIO_FN_LCDD15, NULL);
427	gpio_request(GPIO_FN_LCDD14, NULL);
428	gpio_request(GPIO_FN_LCDD13, NULL);
429	gpio_request(GPIO_FN_LCDD12, NULL);
430	gpio_request(GPIO_FN_LCDD11, NULL);
431	gpio_request(GPIO_FN_LCDD10, NULL);
432	gpio_request(GPIO_FN_LCDD9, NULL);
433	gpio_request(GPIO_FN_LCDD8, NULL);
434	gpio_request(GPIO_FN_LCDD7, NULL);
435	gpio_request(GPIO_FN_LCDD6, NULL);
436	gpio_request(GPIO_FN_LCDD5, NULL);
437	gpio_request(GPIO_FN_LCDD4, NULL);
438	gpio_request(GPIO_FN_LCDD3, NULL);
439	gpio_request(GPIO_FN_LCDD2, NULL);
440	gpio_request(GPIO_FN_LCDD1, NULL);
441	gpio_request(GPIO_FN_LCDD0, NULL);
442	gpio_request(GPIO_FN_LCDLCLK_PTR, NULL);
443	gpio_request(GPIO_FN_LCDDCK, NULL);
444	gpio_request(GPIO_FN_LCDVEPWC, NULL);
445	gpio_request(GPIO_FN_LCDVCPWC, NULL);
446	gpio_request(GPIO_FN_LCDVSYN, NULL);
447	gpio_request(GPIO_FN_LCDHSYN, NULL);
448	gpio_request(GPIO_FN_LCDDISP, NULL);
449	gpio_request(GPIO_FN_LCDDON, NULL);
450
451	/* LCD backlight */
452	gpio_request(GPIO_PTS3, NULL);
453	gpio_direction_output(GPIO_PTS3, 1);
454
455	/* CEU */
456	gpio_request(GPIO_FN_VIO_CLK2, NULL);
457	gpio_request(GPIO_FN_VIO_VD2, NULL);
458	gpio_request(GPIO_FN_VIO_HD2, NULL);
459	gpio_request(GPIO_FN_VIO_FLD, NULL);
460	gpio_request(GPIO_FN_VIO_CKO, NULL);
461	gpio_request(GPIO_FN_VIO_D15, NULL);
462	gpio_request(GPIO_FN_VIO_D14, NULL);
463	gpio_request(GPIO_FN_VIO_D13, NULL);
464	gpio_request(GPIO_FN_VIO_D12, NULL);
465	gpio_request(GPIO_FN_VIO_D11, NULL);
466	gpio_request(GPIO_FN_VIO_D10, NULL);
467	gpio_request(GPIO_FN_VIO_D9, NULL);
468	gpio_request(GPIO_FN_VIO_D8, NULL);
469
470	gpio_request(GPIO_PTZ7, NULL);
471	gpio_direction_output(GPIO_PTZ7, 0); /* OE_CAM */
472	gpio_request(GPIO_PTZ6, NULL);
473	gpio_direction_output(GPIO_PTZ6, 0); /* STBY_CAM */
474	gpio_request(GPIO_PTZ5, NULL);
475	gpio_direction_output(GPIO_PTZ5, 0); /* RST_CAM */
476	gpio_request(GPIO_PTZ4, NULL);
477	gpio_direction_output(GPIO_PTZ4, 0); /* SADDR */
478
479	__raw_writew(__raw_readw(PORT_MSELCRB) & ~0x0001, PORT_MSELCRB);
480
481	/* FLCTL */
482	gpio_request(GPIO_FN_FCE, NULL);
483	gpio_request(GPIO_FN_NAF7, NULL);
484	gpio_request(GPIO_FN_NAF6, NULL);
485	gpio_request(GPIO_FN_NAF5, NULL);
486	gpio_request(GPIO_FN_NAF4, NULL);
487	gpio_request(GPIO_FN_NAF3, NULL);
488	gpio_request(GPIO_FN_NAF2, NULL);
489	gpio_request(GPIO_FN_NAF1, NULL);
490	gpio_request(GPIO_FN_NAF0, NULL);
491	gpio_request(GPIO_FN_FCDE, NULL);
492	gpio_request(GPIO_FN_FOE, NULL);
493	gpio_request(GPIO_FN_FSC, NULL);
494	gpio_request(GPIO_FN_FWE, NULL);
495	gpio_request(GPIO_FN_FRB, NULL);
496
497	__raw_writew(0, PORT_HIZCRC);
498	__raw_writew(0xFFFF, PORT_DRVCRA);
499	__raw_writew(0xFFFF, PORT_DRVCRB);
500
501	/* SDHI0 - CN3 - SD CARD */
502	gpio_request(GPIO_FN_SDHI0CD_PTD, NULL);
503	gpio_request(GPIO_FN_SDHI0WP_PTD, NULL);
504	gpio_request(GPIO_FN_SDHI0D3_PTD, NULL);
505	gpio_request(GPIO_FN_SDHI0D2_PTD, NULL);
506	gpio_request(GPIO_FN_SDHI0D1_PTD, NULL);
507	gpio_request(GPIO_FN_SDHI0D0_PTD, NULL);
508	gpio_request(GPIO_FN_SDHI0CMD_PTD, NULL);
509	gpio_request(GPIO_FN_SDHI0CLK_PTD, NULL);
510
511	/* SDHI1 - CN7 - MICRO SD CARD */
512	gpio_request(GPIO_FN_SDHI1CD, NULL);
513	gpio_request(GPIO_FN_SDHI1D3, NULL);
514	gpio_request(GPIO_FN_SDHI1D2, NULL);
515	gpio_request(GPIO_FN_SDHI1D1, NULL);
516	gpio_request(GPIO_FN_SDHI1D0, NULL);
517	gpio_request(GPIO_FN_SDHI1CMD, NULL);
518	gpio_request(GPIO_FN_SDHI1CLK, NULL);
519
520	/* Add a clock alias for ov7725 xclk source. */
521	clk_add_alias(NULL, "0-0021", "video_clk", NULL);
522
523	/* Register RSTB gpio for ov7725 camera sensor. */
524	gpiod_add_lookup_table(&ov7725_gpios);
525
526	i2c_register_board_info(0, ap325rxa_i2c_devices,
527				ARRAY_SIZE(ap325rxa_i2c_devices));
528
529	/* Initialize CEU platform device separately to map memory first */
530	device_initialize(&ap325rxa_ceu_device.dev);
531	dma_declare_coherent_memory(&ap325rxa_ceu_device.dev,
532			ceu_dma_membase, ceu_dma_membase,
533			CEU_BUFFER_MEMORY_SIZE);
534
535	platform_device_add(&ap325rxa_ceu_device);
536
537	return platform_add_devices(ap325rxa_devices,
538				ARRAY_SIZE(ap325rxa_devices));
539}
540arch_initcall(ap325rxa_devices_setup);
541
542/* Return the board specific boot mode pin configuration */
543static int ap325rxa_mode_pins(void)
544{
545	/* MD0=0, MD1=0, MD2=0: Clock Mode 0
546	 * MD3=0: 16-bit Area0 Bus Width
547	 * MD5=1: Little Endian
548	 * TSTMD=1, MD8=1: Test Mode Disabled
549	 */
550	return MODE_PIN5 | MODE_PIN8;
551}
552
553/* Reserve a portion of memory for CEU buffers */
554static void __init ap325rxa_mv_mem_reserve(void)
555{
556	phys_addr_t phys;
557	phys_addr_t size = CEU_BUFFER_MEMORY_SIZE;
558
559	phys = memblock_phys_alloc(size, PAGE_SIZE);
560	if (!phys)
561		panic("Failed to allocate CEU memory\n");
562
563	memblock_free(phys, size);
564	memblock_remove(phys, size);
565
566	ceu_dma_membase = phys;
567}
568
569static struct sh_machine_vector mv_ap325rxa __initmv = {
570	.mv_name = "AP-325RXA",
571	.mv_mode_pins = ap325rxa_mode_pins,
572	.mv_mem_reserve	= ap325rxa_mv_mem_reserve,
573};
574