2 * SAMSUNG EXYNOS5250 Flattened Device Tree enabled machine
4 * Copyright (c) 2012 Samsung Electronics Co., Ltd.
5 * http://www.samsung.com
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
12 #include <linux/gpio.h>
13 #include <linux/of_platform.h>
14 #include <linux/platform_data/dwc3-exynos.h>
15 #include <linux/serial_core.h>
16 #include <linux/smsc911x.h>
17 #include <linux/delay.h>
18 #include <linux/i2c.h>
19 #include <linux/pwm_backlight.h>
20 #include <linux/mfd/wm8994/pdata.h>
21 #include <linux/regulator/machine.h>
23 #include <asm/mach/arch.h>
24 #include <asm/hardware/gic.h>
26 #include <mach/ohci.h>
27 #include <mach/regs-pmu.h>
28 #include <mach/sysmmu.h>
29 #include <mach/ohci.h>
30 #include <mach/regs-audss.h>
32 #include <plat/audio.h>
34 #include <plat/dsim.h>
36 #include <plat/mipi_dsi.h>
37 #include <plat/gpio-cfg.h>
38 #include <plat/regs-fb.h>
39 #include <plat/regs-serial.h>
40 #include <plat/regs-srom.h>
41 #include <plat/backlight.h>
42 #include <plat/devs.h>
43 #include <plat/usb-phy.h>
44 #include <plat/ehci.h>
46 #include <video/platform_lcd.h>
48 #include "drm/exynos_drm.h"
51 static void __init smsc911x_init(int ncs)
55 /* configure nCS1 width to 16 bits */
56 data = __raw_readl(S5P_SROM_BW) &
57 ~(S5P_SROM_BW__CS_MASK << (ncs * 4));
58 data |= ((1 << S5P_SROM_BW__DATAWIDTH__SHIFT) |
59 (1 << S5P_SROM_BW__WAITENABLE__SHIFT) |
60 (1 << S5P_SROM_BW__BYTEENABLE__SHIFT)) << (ncs * 4);
61 __raw_writel(data, S5P_SROM_BW);
63 /* set timing for nCS1 suitable for ethernet chip */
64 __raw_writel((0x1 << S5P_SROM_BCX__PMC__SHIFT) |
65 (0x9 << S5P_SROM_BCX__TACP__SHIFT) |
66 (0xc << S5P_SROM_BCX__TCAH__SHIFT) |
67 (0x1 << S5P_SROM_BCX__TCOH__SHIFT) |
68 (0x6 << S5P_SROM_BCX__TACC__SHIFT) |
69 (0x1 << S5P_SROM_BCX__TCOS__SHIFT) |
70 (0x1 << S5P_SROM_BCX__TACS__SHIFT),
71 S5P_SROM_BC0 + (ncs * 4));
74 static struct s3c_fb_pd_win smdk5250_fb_win0 = {
93 static struct s3c_fb_pd_win smdk5250_fb_win1 = {
105 .virtual_y = 800 * 2,
112 static struct s3c_fb_pd_win smdk5250_fb_win2 = {
124 .virtual_y = 800 * 2,
131 static void exynos_fimd_gpio_setup_24bpp(void)
133 unsigned int reg = 0;
136 * Set DISP1BLK_CFG register for Display path selection
137 * FIMD of DISP1_BLK Bypass selection : DISP1BLK_CFG[15]
138 * ---------------------
140 * 1 | FIMD : selected
142 reg = __raw_readl(S3C_VA_SYS + 0x0214);
143 reg &= ~(1 << 15); /* To save other reset values */
145 __raw_writel(reg, S3C_VA_SYS + 0x0214);
148 #ifdef CONFIG_DRM_EXYNOS_FIMD
149 static struct exynos_drm_fimd_pdata smdk5250_lcd1_pdata = {
161 .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
162 .vidcon1 = VIDCON1_INV_VCLK,
167 static struct s3c_fb_platdata smdk5250_lcd1_pdata __initdata = {
168 .win[0] = &smdk5250_fb_win0,
169 .win[1] = &smdk5250_fb_win1,
170 .win[2] = &smdk5250_fb_win2,
172 .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
173 .vidcon1 = VIDCON1_INV_VCLK,
174 .setup_gpio = exynos_fimd_gpio_setup_24bpp,
178 static struct mipi_dsim_config dsim_info = {
179 .e_interface = DSIM_VIDEO,
180 .e_pixel_format = DSIM_24BPP_888,
181 /* main frame fifo auto flush at VSYNC pulse */
183 .eot_disable = false,
184 .auto_vertical_cnt = false,
190 .e_no_data_lane = DSIM_DATA_LANE_4,
191 .e_byte_clk = DSIM_PLL_OUT_DIV8,
192 .e_burst_mode = DSIM_BURST,
198 /* D-PHY PLL stable time spec :min = 200usec ~ max 400usec */
199 .pll_stable_time = 500,
201 .esc_clk = 0.4 * 1000000, /* escape clk : 10MHz */
203 /* stop state holding counter after bta change count 0 ~ 0xfff */
204 .stop_holding_cnt = 0x0f,
205 .bta_timeout = 0xff, /* bta timeout 0 ~ 0xff */
206 .rx_timeout = 0xffff, /* lp rx timeout 0 ~ 0xffff */
208 .dsim_ddi_pd = &tc358764_mipi_lcd_driver,
211 static struct mipi_dsim_lcd_config dsim_lcd_info = {
212 .rgb_timing.left_margin = 0x4,
213 .rgb_timing.right_margin = 0x4,
214 .rgb_timing.upper_margin = 0x4,
215 .rgb_timing.lower_margin = 0x4,
216 .rgb_timing.hsync_len = 0x4,
217 .rgb_timing.vsync_len = 0x4,
218 .cpu_timing.cs_setup = 0,
219 .cpu_timing.wr_setup = 1,
220 .cpu_timing.wr_act = 0,
221 .cpu_timing.wr_hold = 0,
222 .lcd_size.width = 1280,
223 .lcd_size.height = 800,
226 static struct s5p_platform_mipi_dsim dsim_platform_data = {
228 .dsim_config = &dsim_info,
229 .dsim_lcd_config = &dsim_lcd_info,
231 .part_reset = s5p_dsim_part_reset,
232 .init_d_phy = s5p_dsim_init_d_phy,
233 .get_fb_frame_done = NULL,
237 * the stable time of needing to write data on SFR
238 * when the mipi mode becomes LP mode.
240 .delay_for_stabilization = 600,
243 static struct platform_device exynos_drm_device = {
244 .name = "exynos-drm",
246 .dma_mask = &exynos_drm_device.dev.coherent_dma_mask,
247 .coherent_dma_mask = 0xffffffffUL,
251 static void lcd_set_power(struct plat_lcd_data *pd,
255 gpio_request_one(EXYNOS5_GPX1(5), GPIOF_OUT_INIT_HIGH, "GPX1");
259 /* fire nRESET on power up */
260 gpio_set_value(EXYNOS5_GPX1(5), 0);
262 gpio_set_value(EXYNOS5_GPX1(5), 1);
264 gpio_free(EXYNOS5_GPX1(5));
266 /* fire nRESET on power off */
267 gpio_set_value(EXYNOS5_GPX1(5), 0);
269 gpio_set_value(EXYNOS5_GPX1(5), 1);
271 gpio_free(EXYNOS5_GPX1(5));
275 * Request lcd_bl_en GPIO for smdk5250_bl_notify().
276 * TODO: Fix this so we are not at risk of requesting the GPIO
277 * multiple times, this should be done with device tree, and
278 * likely integrated into the plat-samsung/dev-backlight.c init.
280 gpio_request_one(EXYNOS5_GPX3(0), GPIOF_OUT_INIT_LOW, "GPX3");
283 static int smdk5250_match_fb(struct plat_lcd_data *pd, struct fb_info *info)
285 /* Don't call .set_power callback while unblanking */
289 static struct plat_lcd_data smdk5250_lcd_data = {
290 .set_power = lcd_set_power,
291 .match_fb = smdk5250_match_fb,
294 static struct platform_device smdk5250_lcd = {
295 .name = "platform-lcd",
296 .dev.platform_data = &smdk5250_lcd_data,
299 static int smdk5250_bl_notify(struct device *unused, int brightness)
301 /* manage lcd_bl_en signal */
303 gpio_set_value(EXYNOS5_GPX3(0), 1);
305 gpio_set_value(EXYNOS5_GPX3(0), 0);
310 /* LCD Backlight data */
311 static struct samsung_bl_gpio_info smdk5250_bl_gpio_info = {
312 .no = EXYNOS5_GPB2(0),
313 .func = S3C_GPIO_SFN(2),
316 static struct platform_pwm_backlight_data smdk5250_bl_data = {
317 .pwm_period_ns = 1000,
318 .notify = smdk5250_bl_notify,
321 struct platform_device exynos_device_md0 = {
322 .name = "exynos-mdev",
326 struct platform_device exynos_device_md1 = {
327 .name = "exynos-mdev",
331 struct platform_device exynos_device_md2 = {
332 .name = "exynos-mdev",
336 static struct regulator_consumer_supply wm8994_avdd1_supply =
337 REGULATOR_SUPPLY("AVDD1", "1-001a");
339 static struct regulator_consumer_supply wm8994_dcvdd_supply =
340 REGULATOR_SUPPLY("DCVDD", "1-001a");
342 static struct regulator_init_data wm8994_ldo1_data = {
346 .num_consumer_supplies = 1,
347 .consumer_supplies = &wm8994_avdd1_supply,
350 static struct regulator_init_data wm8994_ldo2_data = {
354 .num_consumer_supplies = 1,
355 .consumer_supplies = &wm8994_dcvdd_supply,
358 static struct wm8994_pdata wm8994_platform_data = {
359 /* configure gpio1 function: 0x0001(Logic level input/output) */
360 .gpio_defaults[0] = 0x0001,
361 /* If the i2s0 and i2s2 is enabled simultaneously */
362 .gpio_defaults[7] = 0x8100, /* GPIO8 DACDAT3 in */
363 .gpio_defaults[8] = 0x0100, /* GPIO9 ADCDAT3 out */
364 .gpio_defaults[9] = 0x0100, /* GPIO10 LRCLK3 out */
365 .gpio_defaults[10] = 0x0100,/* GPIO11 BCLK3 out */
366 .ldo[0] = { 0, &wm8994_ldo1_data },
367 .ldo[1] = { 0, &wm8994_ldo2_data },
370 static struct i2c_board_info i2c_devs1[] __initdata = {
372 I2C_BOARD_INFO("wm8994", 0x1a),
373 .platform_data = &wm8994_platform_data,
377 struct sysmmu_platform_data platdata_sysmmu_mfc_l = {
379 .clockname = "sysmmu",
382 struct sysmmu_platform_data platdata_sysmmu_mfc_r = {
384 .clockname = "sysmmu",
387 struct sysmmu_platform_data platdata_sysmmu_gsc = {
389 .clockname = "sysmmu",
392 struct sysmmu_platform_data platdata_sysmmu_g2d = {
394 .clockname = "sysmmu",
397 struct sysmmu_platform_data platdata_sysmmu_fimd = {
399 .clockname = "sysmmu",
402 struct sysmmu_platform_data platdata_sysmmu_tv = {
404 .clockname = "sysmmu",
407 #ifdef CONFIG_VIDEO_FIMG2D4X
408 static struct fimg2d_platdata fimg2d_data __initdata = {
410 .gate_clkname = "fimg2d",
414 static struct exynos4_ohci_platdata smdk5250_ohci_pdata = {
415 .phy_init = s5p_usb_phy_init,
416 .phy_exit = s5p_usb_phy_exit,
419 static struct s5p_ehci_platdata smdk5250_ehci_pdata = {
420 .phy_init = s5p_usb_phy_init,
421 .phy_exit = s5p_usb_phy_exit,
424 static struct dwc3_exynos_data smdk5250_xhci_pdata = {
425 .phy_type = S5P_USB_PHY_DRD,
426 .phy_init = s5p_usb_phy_init,
427 .phy_exit = s5p_usb_phy_exit,
430 struct exynos_gpio_cfg {
436 static const char *rclksrc[] = {
441 static int exynos_cfg_i2s_gpio(struct platform_device *pdev)
444 /* configure GPIO for i2s port */
445 struct exynos_gpio_cfg exynos5_cfg[3] = {
446 { EXYNOS5_GPZ(0), 7, S3C_GPIO_SFN(2) },
447 { EXYNOS5_GPB0(0), 5, S3C_GPIO_SFN(2) },
448 { EXYNOS5_GPB1(0), 5, S3C_GPIO_SFN(2) }
451 if (pdev->dev.of_node) {
452 id = of_alias_get_id(pdev->dev.of_node, "i2s");
454 dev_err(&pdev->dev, "failed to get alias id:%d\n", id);
459 if (id < 0 || id > 2) {
460 printk(KERN_ERR "Invalid Device %d\n", id);
464 s3c_gpio_cfgpin_range(exynos5_cfg[id].addr,
465 exynos5_cfg[id].num, exynos5_cfg[id].bit);
470 static struct s3c_audio_pdata i2sv5_pdata = {
471 .cfg_gpio = exynos_cfg_i2s_gpio,
474 .quirks = QUIRK_PRI_6CHAN | QUIRK_SEC_DAI
477 .idma_addr = EXYNOS4_AUDSS_INT_MEM,
482 * The following lookup table is used to override device names when devices
483 * are registered from device tree. This is temporarily added to enable
484 * device tree support addition for the EXYNOS5 architecture.
486 * For drivers that require platform data to be provided from the machine
487 * file, a platform data pointer can also be supplied along with the
488 * devices names. Usually, the platform data elements that cannot be parsed
489 * from the device tree by the drivers (example: function pointers) are
490 * supplied. But it should be noted that this is a temporary mechanism and
491 * at some point, the drivers should be capable of parsing all the platform
492 * data from the device tree.
494 static const struct of_dev_auxdata exynos5250_auxdata_lookup[] __initconst = {
495 OF_DEV_AUXDATA("samsung,exynos4210-uart", EXYNOS5_PA_UART0,
496 "exynos4210-uart.0", NULL),
497 OF_DEV_AUXDATA("samsung,exynos4210-uart", EXYNOS5_PA_UART1,
498 "exynos4210-uart.1", NULL),
499 OF_DEV_AUXDATA("samsung,exynos4210-uart", EXYNOS5_PA_UART2,
500 "exynos4210-uart.2", NULL),
501 OF_DEV_AUXDATA("samsung,exynos4210-uart", EXYNOS5_PA_UART3,
502 "exynos4210-uart.3", NULL),
503 OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS5_PA_IIC(0),
504 "s3c2440-i2c.0", NULL),
505 OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS5_PA_IIC(1),
506 "s3c2440-i2c.1", NULL),
507 OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS5_PA_IIC(2),
508 "s3c2440-i2c.2", NULL),
509 OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS5_PA_IIC(8),
510 "s3c2440-hdmiphy-i2c", NULL),
511 OF_DEV_AUXDATA("synopsis,dw-mshc-exynos5250", 0x12200000,
513 OF_DEV_AUXDATA("synopsis,dw-mshc-exynos5250", 0x12210000,
515 OF_DEV_AUXDATA("synopsis,dw-mshc-exynos5250", 0x12220000,
517 OF_DEV_AUXDATA("synopsis,dw-mshc-exynos5250", 0x12230000,
519 OF_DEV_AUXDATA("arm,pl330", EXYNOS5_PA_PDMA0, "dma-pl330.0", NULL),
520 OF_DEV_AUXDATA("arm,pl330", EXYNOS5_PA_PDMA1, "dma-pl330.1", NULL),
521 OF_DEV_AUXDATA("arm,pl330", EXYNOS5_PA_MDMA1, "dma-pl330.2", NULL),
522 OF_DEV_AUXDATA("samsung,s5p-sysmmu", 0x10A60000,
523 "s5p-sysmmu.2", &platdata_sysmmu_g2d),
524 OF_DEV_AUXDATA("samsung,s5p-sysmmu", 0x11210000,
525 "s5p-sysmmu.3", &platdata_sysmmu_mfc_l),
526 OF_DEV_AUXDATA("samsung,s5p-sysmmu", 0x11200000,
527 "s5p-sysmmu.4", &platdata_sysmmu_mfc_r),
528 OF_DEV_AUXDATA("samsung,s5p-sysmmu", 0x14640000,
529 "s5p-sysmmu.27", &platdata_sysmmu_fimd),
530 OF_DEV_AUXDATA("samsung,s5p-sysmmu", 0x14650000,
531 "s5p-sysmmu.28", &platdata_sysmmu_tv),
532 OF_DEV_AUXDATA("samsung,s5p-sysmmu", 0x13E80000,
533 "s5p-sysmmu.23", &platdata_sysmmu_gsc),
534 OF_DEV_AUXDATA("samsung,s5p-sysmmu", 0x13E90000,
535 "s5p-sysmmu.24", &platdata_sysmmu_gsc),
536 OF_DEV_AUXDATA("samsung,s5p-sysmmu", 0x13EA0000,
537 "s5p-sysmmu.25", &platdata_sysmmu_gsc),
538 OF_DEV_AUXDATA("samsung,s5p-sysmmu", 0x13EB0000,
539 "s5p-sysmmu.26", &platdata_sysmmu_gsc),
540 OF_DEV_AUXDATA("samsung,exynos5-fb", 0x14400000,
541 "exynos5-fb", &smdk5250_lcd1_pdata),
542 OF_DEV_AUXDATA("samsung,exynos5-mipi", 0x14500000,
543 "s5p-mipi-dsim", &dsim_platform_data),
544 OF_DEV_AUXDATA("samsung,s5p-mfc-v6", 0x11000000, "s5p-mfc-v6", NULL),
545 OF_DEV_AUXDATA("samsung,exynos-gsc", 0x13E00000,
546 "exynos-gsc.0", NULL),
547 OF_DEV_AUXDATA("samsung,exynos-gsc", 0x13E10000,
548 "exynos-gsc.1", NULL),
549 OF_DEV_AUXDATA("samsung,exynos-gsc", 0x13E20000,
550 "exynos-gsc.2", NULL),
551 OF_DEV_AUXDATA("samsung,exynos-gsc", 0x13E30000,
552 "exynos-gsc.3", NULL),
553 #ifdef CONFIG_VIDEO_FIMG2D4X
554 OF_DEV_AUXDATA("samsung,s5p-g2d", 0x10850000,
555 "s5p-g2d", &fimg2d_data),
557 OF_DEV_AUXDATA("samsung,exynos-ohci", 0x12120000,
558 "exynos-ohci", &smdk5250_ohci_pdata),
559 OF_DEV_AUXDATA("samsung,exynos-ehci", 0x12110000,
560 "s5p-ehci", &smdk5250_ehci_pdata),
561 OF_DEV_AUXDATA("samsung,exynos-xhci", 0x12000000,
562 "exynos-dwc3", &smdk5250_xhci_pdata),
563 OF_DEV_AUXDATA("samsung,i2s", 0x03830000,
564 "samsung-i2s.0", &i2sv5_pdata),
565 OF_DEV_AUXDATA("samsung,exynos5-hdmi", 0x14530000,
566 "exynos5-hdmi", NULL),
567 OF_DEV_AUXDATA("samsung,s5p-mixer", 0x14450000, "s5p-mixer", NULL),
571 static struct platform_device *smdk5250_devices[] __initdata = {
572 &smdk5250_lcd, /* for platform_lcd device */
573 &exynos_device_md0, /* for media device framework */
574 &exynos_device_md1, /* for media device framework */
575 &exynos_device_md2, /* for media device framework */
576 &samsung_asoc_dma, /* for audio dma interface device */
580 static void __init exynos5250_dt_map_io(void)
582 exynos_init_io(NULL, 0);
583 s3c24xx_init_clocks(24000000);
586 static void __init exynos5_reserve(void)
588 /* required to have enough address range to remap the IOMMU
589 * allocated buffers */
590 init_consistent_dma_size(SZ_64M);
593 static void s5p_tv_setup(void)
595 /* direct HPD to HDMI chip */
596 gpio_request(EXYNOS5_GPX3(7), "hpd-plug");
598 gpio_direction_input(EXYNOS5_GPX3(7));
599 s3c_gpio_cfgpin(EXYNOS5_GPX3(7), S3C_GPIO_SFN(0x3));
600 s3c_gpio_setpull(EXYNOS5_GPX3(7), S3C_GPIO_PULL_NONE);
603 static void exynos5_i2c_setup(void)
605 /* Setup the low-speed i2c controller interrupts */
606 writel(0x0, EXYNOS5_SYS_I2C_CFG);
609 static void __init exynos5250_dt_machine_init(void)
611 if (of_machine_is_compatible("samsung,smdk5250"))
613 samsung_bl_set(&smdk5250_bl_gpio_info, &smdk5250_bl_data);
615 if (gpio_request_one(EXYNOS5_GPX2(6), GPIOF_OUT_INIT_HIGH,
616 "HOST_VBUS_CONTROL")) {
617 printk(KERN_ERR "failed to request gpio_host_vbus\n");
619 s3c_gpio_setpull(EXYNOS5_GPX2(6), S3C_GPIO_PULL_NONE);
620 gpio_free(EXYNOS5_GPX2(6));
625 i2c_register_board_info(1, i2c_devs1, ARRAY_SIZE(i2c_devs1));
627 of_platform_populate(NULL, of_default_bus_match_table,
628 exynos5250_auxdata_lookup, NULL);
630 #ifdef CONFIG_DRM_EXYNOS_FIMD
631 exynos_fimd_gpio_setup_24bpp();
635 platform_add_devices(smdk5250_devices, ARRAY_SIZE(smdk5250_devices));
638 static char const *exynos5250_dt_compat[] __initdata = {
639 "samsung,exynos5250",
643 DT_MACHINE_START(EXYNOS5_DT, "SAMSUNG EXYNOS5 (Flattened Device Tree)")
644 /* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
645 .init_irq = exynos5_init_irq,
646 .reserve = exynos5_reserve,
647 .map_io = exynos5250_dt_map_io,
648 .handle_irq = gic_handle_irq,
649 .init_machine = exynos5250_dt_machine_init,
650 .timer = &exynos4_timer,
651 .dt_compat = exynos5250_dt_compat,
652 .restart = exynos5_restart,