treewide: remove redundant IS_ERR() before error code check
[linux/fpc-iii.git] / arch / sh / boards / mach-ap325rxa / setup.c
blob665cad452798bb41c94d1a509a3c737393a999b0
1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Renesas - AP-325RXA
4 * (Compatible with Algo System ., LTD. - AP-320A)
6 * Copyright (C) 2008 Renesas Solutions Corp.
7 * Author : Yusuke Goda <goda.yuske@renesas.com>
8 */
10 #include <asm/clock.h>
11 #include <asm/io.h>
12 #include <asm/suspend.h>
14 #include <cpu/sh7723.h>
16 #include <linux/clkdev.h>
17 #include <linux/delay.h>
18 #include <linux/device.h>
19 #include <linux/gpio.h>
20 #include <linux/gpio/machine.h>
21 #include <linux/i2c.h>
22 #include <linux/init.h>
23 #include <linux/interrupt.h>
24 #include <linux/memblock.h>
25 #include <linux/mfd/tmio.h>
26 #include <linux/mmc/host.h>
27 #include <linux/mtd/physmap.h>
28 #include <linux/mtd/sh_flctl.h>
29 #include <linux/platform_device.h>
30 #include <linux/regulator/fixed.h>
31 #include <linux/regulator/machine.h>
32 #include <linux/sh_intc.h>
33 #include <linux/smsc911x.h>
34 #include <linux/videodev2.h>
36 #include <media/drv-intf/renesas-ceu.h>
37 #include <media/i2c/ov772x.h>
39 #include <video/sh_mobile_lcdc.h>
41 #define CEU_BUFFER_MEMORY_SIZE (4 << 20)
42 static phys_addr_t ceu_dma_membase;
44 /* Dummy supplies, where voltage doesn't matter */
45 static struct regulator_consumer_supply dummy_supplies[] = {
46 REGULATOR_SUPPLY("vddvario", "smsc911x"),
47 REGULATOR_SUPPLY("vdd33a", "smsc911x"),
50 static struct smsc911x_platform_config smsc911x_config = {
51 .phy_interface = PHY_INTERFACE_MODE_MII,
52 .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
53 .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
54 .flags = SMSC911X_USE_32BIT,
57 static struct resource smsc9118_resources[] = {
58 [0] = {
59 .start = 0xb6080000,
60 .end = 0xb60fffff,
61 .flags = IORESOURCE_MEM,
63 [1] = {
64 .start = evt2irq(0x660),
65 .end = evt2irq(0x660),
66 .flags = IORESOURCE_IRQ,
70 static struct platform_device smsc9118_device = {
71 .name = "smsc911x",
72 .id = -1,
73 .num_resources = ARRAY_SIZE(smsc9118_resources),
74 .resource = smsc9118_resources,
75 .dev = {
76 .platform_data = &smsc911x_config,
81 * AP320 and AP325RXA has CPLD data in NOR Flash(0xA80000-0xABFFFF).
82 * If this area erased, this board can not boot.
84 static struct mtd_partition ap325rxa_nor_flash_partitions[] = {
86 .name = "uboot",
87 .offset = 0,
88 .size = (1 * 1024 * 1024),
89 .mask_flags = MTD_WRITEABLE, /* Read-only */
90 }, {
91 .name = "kernel",
92 .offset = MTDPART_OFS_APPEND,
93 .size = (2 * 1024 * 1024),
94 }, {
95 .name = "free-area0",
96 .offset = MTDPART_OFS_APPEND,
97 .size = ((7 * 1024 * 1024) + (512 * 1024)),
98 }, {
99 .name = "CPLD-Data",
100 .offset = MTDPART_OFS_APPEND,
101 .mask_flags = MTD_WRITEABLE, /* Read-only */
102 .size = (1024 * 128 * 2),
103 }, {
104 .name = "free-area1",
105 .offset = MTDPART_OFS_APPEND,
106 .size = MTDPART_SIZ_FULL,
110 static struct physmap_flash_data ap325rxa_nor_flash_data = {
111 .width = 2,
112 .parts = ap325rxa_nor_flash_partitions,
113 .nr_parts = ARRAY_SIZE(ap325rxa_nor_flash_partitions),
116 static struct resource ap325rxa_nor_flash_resources[] = {
117 [0] = {
118 .name = "NOR Flash",
119 .start = 0x00000000,
120 .end = 0x00ffffff,
121 .flags = IORESOURCE_MEM,
125 static struct platform_device ap325rxa_nor_flash_device = {
126 .name = "physmap-flash",
127 .resource = ap325rxa_nor_flash_resources,
128 .num_resources = ARRAY_SIZE(ap325rxa_nor_flash_resources),
129 .dev = {
130 .platform_data = &ap325rxa_nor_flash_data,
134 static struct mtd_partition nand_partition_info[] = {
136 .name = "nand_data",
137 .offset = 0,
138 .size = MTDPART_SIZ_FULL,
142 static struct resource nand_flash_resources[] = {
143 [0] = {
144 .start = 0xa4530000,
145 .end = 0xa45300ff,
146 .flags = IORESOURCE_MEM,
150 static struct sh_flctl_platform_data nand_flash_data = {
151 .parts = nand_partition_info,
152 .nr_parts = ARRAY_SIZE(nand_partition_info),
153 .flcmncr_val = FCKSEL_E | TYPESEL_SET | NANWF_E,
154 .has_hwecc = 1,
157 static struct platform_device nand_flash_device = {
158 .name = "sh_flctl",
159 .resource = nand_flash_resources,
160 .num_resources = ARRAY_SIZE(nand_flash_resources),
161 .dev = {
162 .platform_data = &nand_flash_data,
166 #define FPGA_LCDREG 0xB4100180
167 #define FPGA_BKLREG 0xB4100212
168 #define FPGA_LCDREG_VAL 0x0018
169 #define PORT_MSELCRB 0xA4050182
170 #define PORT_HIZCRC 0xA405015C
171 #define PORT_DRVCRA 0xA405018A
172 #define PORT_DRVCRB 0xA405018C
174 static int ap320_wvga_set_brightness(int brightness)
176 if (brightness) {
177 gpio_set_value(GPIO_PTS3, 0);
178 __raw_writew(0x100, FPGA_BKLREG);
179 } else {
180 __raw_writew(0, FPGA_BKLREG);
181 gpio_set_value(GPIO_PTS3, 1);
184 return 0;
187 static void ap320_wvga_power_on(void)
189 msleep(100);
191 /* ASD AP-320/325 LCD ON */
192 __raw_writew(FPGA_LCDREG_VAL, FPGA_LCDREG);
195 static void ap320_wvga_power_off(void)
197 /* ASD AP-320/325 LCD OFF */
198 __raw_writew(0, FPGA_LCDREG);
201 static const struct fb_videomode ap325rxa_lcdc_modes[] = {
203 .name = "LB070WV1",
204 .xres = 800,
205 .yres = 480,
206 .left_margin = 32,
207 .right_margin = 160,
208 .hsync_len = 8,
209 .upper_margin = 63,
210 .lower_margin = 80,
211 .vsync_len = 1,
212 .sync = 0, /* hsync and vsync are active low */
216 static struct sh_mobile_lcdc_info lcdc_info = {
217 .clock_source = LCDC_CLK_EXTERNAL,
218 .ch[0] = {
219 .chan = LCDC_CHAN_MAINLCD,
220 .fourcc = V4L2_PIX_FMT_RGB565,
221 .interface_type = RGB18,
222 .clock_divider = 1,
223 .lcd_modes = ap325rxa_lcdc_modes,
224 .num_modes = ARRAY_SIZE(ap325rxa_lcdc_modes),
225 .panel_cfg = {
226 .width = 152, /* 7.0 inch */
227 .height = 91,
228 .display_on = ap320_wvga_power_on,
229 .display_off = ap320_wvga_power_off,
231 .bl_info = {
232 .name = "sh_mobile_lcdc_bl",
233 .max_brightness = 1,
234 .set_brightness = ap320_wvga_set_brightness,
239 static struct resource lcdc_resources[] = {
240 [0] = {
241 .name = "LCDC",
242 .start = 0xfe940000, /* P4-only space */
243 .end = 0xfe942fff,
244 .flags = IORESOURCE_MEM,
246 [1] = {
247 .start = evt2irq(0x580),
248 .flags = IORESOURCE_IRQ,
252 static struct platform_device lcdc_device = {
253 .name = "sh_mobile_lcdc_fb",
254 .num_resources = ARRAY_SIZE(lcdc_resources),
255 .resource = lcdc_resources,
256 .dev = {
257 .platform_data = &lcdc_info,
261 /* Powerdown/reset gpios for CEU image sensors */
262 static struct gpiod_lookup_table ov7725_gpios = {
263 .dev_id = "0-0021",
264 .table = {
265 GPIO_LOOKUP("sh7723_pfc", GPIO_PTZ5, "reset", GPIO_ACTIVE_LOW),
269 static struct ceu_platform_data ceu0_pdata = {
270 .num_subdevs = 1,
271 .subdevs = {
272 { /* [0] = ov7725 */
273 .flags = 0,
274 .bus_width = 8,
275 .bus_shift = 0,
276 .i2c_adapter_id = 0,
277 .i2c_address = 0x21,
282 static struct resource ceu_resources[] = {
283 [0] = {
284 .name = "CEU",
285 .start = 0xfe910000,
286 .end = 0xfe91009f,
287 .flags = IORESOURCE_MEM,
289 [1] = {
290 .start = evt2irq(0x880),
291 .flags = IORESOURCE_IRQ,
295 static struct platform_device ap325rxa_ceu_device = {
296 .name = "renesas-ceu",
297 .id = 0, /* "ceu.0" clock */
298 .num_resources = ARRAY_SIZE(ceu_resources),
299 .resource = ceu_resources,
300 .dev = {
301 .platform_data = &ceu0_pdata,
305 /* Fixed 3.3V regulators to be used by SDHI0, SDHI1 */
306 static struct regulator_consumer_supply fixed3v3_power_consumers[] =
308 REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
309 REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
310 REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.1"),
311 REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.1"),
314 static struct resource sdhi0_cn3_resources[] = {
315 [0] = {
316 .name = "SDHI0",
317 .start = 0x04ce0000,
318 .end = 0x04ce00ff,
319 .flags = IORESOURCE_MEM,
321 [1] = {
322 .start = evt2irq(0xe80),
323 .flags = IORESOURCE_IRQ,
327 static struct tmio_mmc_data sdhi0_cn3_data = {
328 .capabilities = MMC_CAP_SDIO_IRQ,
331 static struct platform_device sdhi0_cn3_device = {
332 .name = "sh_mobile_sdhi",
333 .id = 0, /* "sdhi0" clock */
334 .num_resources = ARRAY_SIZE(sdhi0_cn3_resources),
335 .resource = sdhi0_cn3_resources,
336 .dev = {
337 .platform_data = &sdhi0_cn3_data,
341 static struct resource sdhi1_cn7_resources[] = {
342 [0] = {
343 .name = "SDHI1",
344 .start = 0x04cf0000,
345 .end = 0x04cf00ff,
346 .flags = IORESOURCE_MEM,
348 [1] = {
349 .start = evt2irq(0x4e0),
350 .flags = IORESOURCE_IRQ,
354 static struct tmio_mmc_data sdhi1_cn7_data = {
355 .capabilities = MMC_CAP_SDIO_IRQ,
358 static struct platform_device sdhi1_cn7_device = {
359 .name = "sh_mobile_sdhi",
360 .id = 1, /* "sdhi1" clock */
361 .num_resources = ARRAY_SIZE(sdhi1_cn7_resources),
362 .resource = sdhi1_cn7_resources,
363 .dev = {
364 .platform_data = &sdhi1_cn7_data,
368 static struct ov772x_camera_info ov7725_info = {
369 .flags = OV772X_FLAG_VFLIP | OV772X_FLAG_HFLIP,
370 .edgectrl = OV772X_AUTO_EDGECTRL(0xf, 0),
373 static struct i2c_board_info ap325rxa_i2c_devices[] __initdata = {
375 I2C_BOARD_INFO("pcf8563", 0x51),
378 I2C_BOARD_INFO("ov772x", 0x21),
379 .platform_data = &ov7725_info,
383 static struct platform_device *ap325rxa_devices[] __initdata = {
384 &smsc9118_device,
385 &ap325rxa_nor_flash_device,
386 &lcdc_device,
387 &nand_flash_device,
388 &sdhi0_cn3_device,
389 &sdhi1_cn7_device,
392 extern char ap325rxa_sdram_enter_start;
393 extern char ap325rxa_sdram_enter_end;
394 extern char ap325rxa_sdram_leave_start;
395 extern char ap325rxa_sdram_leave_end;
397 static int __init ap325rxa_devices_setup(void)
399 /* register board specific self-refresh code */
400 sh_mobile_register_self_refresh(SUSP_SH_STANDBY | SUSP_SH_SF,
401 &ap325rxa_sdram_enter_start,
402 &ap325rxa_sdram_enter_end,
403 &ap325rxa_sdram_leave_start,
404 &ap325rxa_sdram_leave_end);
406 regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers,
407 ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
408 regulator_register_fixed(1, dummy_supplies, ARRAY_SIZE(dummy_supplies));
410 /* LD3 and LD4 LEDs */
411 gpio_request(GPIO_PTX5, NULL); /* RUN */
412 gpio_direction_output(GPIO_PTX5, 1);
413 gpio_export(GPIO_PTX5, 0);
415 gpio_request(GPIO_PTX4, NULL); /* INDICATOR */
416 gpio_direction_output(GPIO_PTX4, 0);
417 gpio_export(GPIO_PTX4, 0);
419 /* SW1 input */
420 gpio_request(GPIO_PTF7, NULL); /* MODE */
421 gpio_direction_input(GPIO_PTF7);
422 gpio_export(GPIO_PTF7, 0);
424 /* LCDC */
425 gpio_request(GPIO_FN_LCDD15, NULL);
426 gpio_request(GPIO_FN_LCDD14, NULL);
427 gpio_request(GPIO_FN_LCDD13, NULL);
428 gpio_request(GPIO_FN_LCDD12, NULL);
429 gpio_request(GPIO_FN_LCDD11, NULL);
430 gpio_request(GPIO_FN_LCDD10, NULL);
431 gpio_request(GPIO_FN_LCDD9, NULL);
432 gpio_request(GPIO_FN_LCDD8, NULL);
433 gpio_request(GPIO_FN_LCDD7, NULL);
434 gpio_request(GPIO_FN_LCDD6, NULL);
435 gpio_request(GPIO_FN_LCDD5, NULL);
436 gpio_request(GPIO_FN_LCDD4, NULL);
437 gpio_request(GPIO_FN_LCDD3, NULL);
438 gpio_request(GPIO_FN_LCDD2, NULL);
439 gpio_request(GPIO_FN_LCDD1, NULL);
440 gpio_request(GPIO_FN_LCDD0, NULL);
441 gpio_request(GPIO_FN_LCDLCLK_PTR, NULL);
442 gpio_request(GPIO_FN_LCDDCK, NULL);
443 gpio_request(GPIO_FN_LCDVEPWC, NULL);
444 gpio_request(GPIO_FN_LCDVCPWC, NULL);
445 gpio_request(GPIO_FN_LCDVSYN, NULL);
446 gpio_request(GPIO_FN_LCDHSYN, NULL);
447 gpio_request(GPIO_FN_LCDDISP, NULL);
448 gpio_request(GPIO_FN_LCDDON, NULL);
450 /* LCD backlight */
451 gpio_request(GPIO_PTS3, NULL);
452 gpio_direction_output(GPIO_PTS3, 1);
454 /* CEU */
455 gpio_request(GPIO_FN_VIO_CLK2, NULL);
456 gpio_request(GPIO_FN_VIO_VD2, NULL);
457 gpio_request(GPIO_FN_VIO_HD2, NULL);
458 gpio_request(GPIO_FN_VIO_FLD, NULL);
459 gpio_request(GPIO_FN_VIO_CKO, NULL);
460 gpio_request(GPIO_FN_VIO_D15, NULL);
461 gpio_request(GPIO_FN_VIO_D14, NULL);
462 gpio_request(GPIO_FN_VIO_D13, NULL);
463 gpio_request(GPIO_FN_VIO_D12, NULL);
464 gpio_request(GPIO_FN_VIO_D11, NULL);
465 gpio_request(GPIO_FN_VIO_D10, NULL);
466 gpio_request(GPIO_FN_VIO_D9, NULL);
467 gpio_request(GPIO_FN_VIO_D8, NULL);
469 gpio_request(GPIO_PTZ7, NULL);
470 gpio_direction_output(GPIO_PTZ7, 0); /* OE_CAM */
471 gpio_request(GPIO_PTZ6, NULL);
472 gpio_direction_output(GPIO_PTZ6, 0); /* STBY_CAM */
473 gpio_request(GPIO_PTZ5, NULL);
474 gpio_direction_output(GPIO_PTZ5, 0); /* RST_CAM */
475 gpio_request(GPIO_PTZ4, NULL);
476 gpio_direction_output(GPIO_PTZ4, 0); /* SADDR */
478 __raw_writew(__raw_readw(PORT_MSELCRB) & ~0x0001, PORT_MSELCRB);
480 /* FLCTL */
481 gpio_request(GPIO_FN_FCE, NULL);
482 gpio_request(GPIO_FN_NAF7, NULL);
483 gpio_request(GPIO_FN_NAF6, NULL);
484 gpio_request(GPIO_FN_NAF5, NULL);
485 gpio_request(GPIO_FN_NAF4, NULL);
486 gpio_request(GPIO_FN_NAF3, NULL);
487 gpio_request(GPIO_FN_NAF2, NULL);
488 gpio_request(GPIO_FN_NAF1, NULL);
489 gpio_request(GPIO_FN_NAF0, NULL);
490 gpio_request(GPIO_FN_FCDE, NULL);
491 gpio_request(GPIO_FN_FOE, NULL);
492 gpio_request(GPIO_FN_FSC, NULL);
493 gpio_request(GPIO_FN_FWE, NULL);
494 gpio_request(GPIO_FN_FRB, NULL);
496 __raw_writew(0, PORT_HIZCRC);
497 __raw_writew(0xFFFF, PORT_DRVCRA);
498 __raw_writew(0xFFFF, PORT_DRVCRB);
500 /* SDHI0 - CN3 - SD CARD */
501 gpio_request(GPIO_FN_SDHI0CD_PTD, NULL);
502 gpio_request(GPIO_FN_SDHI0WP_PTD, NULL);
503 gpio_request(GPIO_FN_SDHI0D3_PTD, NULL);
504 gpio_request(GPIO_FN_SDHI0D2_PTD, NULL);
505 gpio_request(GPIO_FN_SDHI0D1_PTD, NULL);
506 gpio_request(GPIO_FN_SDHI0D0_PTD, NULL);
507 gpio_request(GPIO_FN_SDHI0CMD_PTD, NULL);
508 gpio_request(GPIO_FN_SDHI0CLK_PTD, NULL);
510 /* SDHI1 - CN7 - MICRO SD CARD */
511 gpio_request(GPIO_FN_SDHI1CD, NULL);
512 gpio_request(GPIO_FN_SDHI1D3, NULL);
513 gpio_request(GPIO_FN_SDHI1D2, NULL);
514 gpio_request(GPIO_FN_SDHI1D1, NULL);
515 gpio_request(GPIO_FN_SDHI1D0, NULL);
516 gpio_request(GPIO_FN_SDHI1CMD, NULL);
517 gpio_request(GPIO_FN_SDHI1CLK, NULL);
519 /* Add a clock alias for ov7725 xclk source. */
520 clk_add_alias(NULL, "0-0021", "video_clk", NULL);
522 /* Register RSTB gpio for ov7725 camera sensor. */
523 gpiod_add_lookup_table(&ov7725_gpios);
525 i2c_register_board_info(0, ap325rxa_i2c_devices,
526 ARRAY_SIZE(ap325rxa_i2c_devices));
528 /* Initialize CEU platform device separately to map memory first */
529 device_initialize(&ap325rxa_ceu_device.dev);
530 dma_declare_coherent_memory(&ap325rxa_ceu_device.dev,
531 ceu_dma_membase, ceu_dma_membase,
532 ceu_dma_membase + CEU_BUFFER_MEMORY_SIZE - 1);
534 platform_device_add(&ap325rxa_ceu_device);
536 return platform_add_devices(ap325rxa_devices,
537 ARRAY_SIZE(ap325rxa_devices));
539 arch_initcall(ap325rxa_devices_setup);
541 /* Return the board specific boot mode pin configuration */
542 static int ap325rxa_mode_pins(void)
544 /* MD0=0, MD1=0, MD2=0: Clock Mode 0
545 * MD3=0: 16-bit Area0 Bus Width
546 * MD5=1: Little Endian
547 * TSTMD=1, MD8=1: Test Mode Disabled
549 return MODE_PIN5 | MODE_PIN8;
552 /* Reserve a portion of memory for CEU buffers */
553 static void __init ap325rxa_mv_mem_reserve(void)
555 phys_addr_t phys;
556 phys_addr_t size = CEU_BUFFER_MEMORY_SIZE;
558 phys = memblock_phys_alloc(size, PAGE_SIZE);
559 if (!phys)
560 panic("Failed to allocate CEU memory\n");
562 memblock_free(phys, size);
563 memblock_remove(phys, size);
565 ceu_dma_membase = phys;
568 static struct sh_machine_vector mv_ap325rxa __initmv = {
569 .mv_name = "AP-325RXA",
570 .mv_mode_pins = ap325rxa_mode_pins,
571 .mv_mem_reserve = ap325rxa_mv_mem_reserve,