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 static struct s3c_fb_platdata smdk5250_lcd1_pdata __initdata = {
149 .win[0] = &smdk5250_fb_win0,
150 .win[1] = &smdk5250_fb_win1,
151 .win[2] = &smdk5250_fb_win2,
153 .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
154 .vidcon1 = VIDCON1_INV_VCLK,
155 .setup_gpio = exynos_fimd_gpio_setup_24bpp,
158 static struct mipi_dsim_config dsim_info = {
159 .e_interface = DSIM_VIDEO,
160 .e_pixel_format = DSIM_24BPP_888,
161 /* main frame fifo auto flush at VSYNC pulse */
163 .eot_disable = false,
164 .auto_vertical_cnt = false,
170 .e_no_data_lane = DSIM_DATA_LANE_4,
171 .e_byte_clk = DSIM_PLL_OUT_DIV8,
172 .e_burst_mode = DSIM_BURST,
178 /* D-PHY PLL stable time spec :min = 200usec ~ max 400usec */
179 .pll_stable_time = 500,
181 .esc_clk = 0.4 * 1000000, /* escape clk : 10MHz */
183 /* stop state holding counter after bta change count 0 ~ 0xfff */
184 .stop_holding_cnt = 0x0f,
185 .bta_timeout = 0xff, /* bta timeout 0 ~ 0xff */
186 .rx_timeout = 0xffff, /* lp rx timeout 0 ~ 0xffff */
188 .dsim_ddi_pd = &tc358764_mipi_lcd_driver,
191 static struct mipi_dsim_lcd_config dsim_lcd_info = {
192 .rgb_timing.left_margin = 0x4,
193 .rgb_timing.right_margin = 0x4,
194 .rgb_timing.upper_margin = 0x4,
195 .rgb_timing.lower_margin = 0x4,
196 .rgb_timing.hsync_len = 0x4,
197 .rgb_timing.vsync_len = 0x4,
198 .cpu_timing.cs_setup = 0,
199 .cpu_timing.wr_setup = 1,
200 .cpu_timing.wr_act = 0,
201 .cpu_timing.wr_hold = 0,
202 .lcd_size.width = 1280,
203 .lcd_size.height = 800,
206 static struct s5p_platform_mipi_dsim dsim_platform_data = {
208 .dsim_config = &dsim_info,
209 .dsim_lcd_config = &dsim_lcd_info,
211 .part_reset = s5p_dsim_part_reset,
212 .init_d_phy = s5p_dsim_init_d_phy,
213 .get_fb_frame_done = NULL,
217 * the stable time of needing to write data on SFR
218 * when the mipi mode becomes LP mode.
220 .delay_for_stabilization = 600,
223 static struct platform_device exynos_drm_device = {
224 .name = "exynos-drm",
226 .dma_mask = &exynos_drm_device.dev.coherent_dma_mask,
227 .coherent_dma_mask = 0xffffffffUL,
231 static void lcd_set_power(struct plat_lcd_data *pd,
235 gpio_request_one(EXYNOS5_GPX1(5), GPIOF_OUT_INIT_HIGH, "GPX1");
239 /* fire nRESET on power up */
240 gpio_set_value(EXYNOS5_GPX1(5), 0);
242 gpio_set_value(EXYNOS5_GPX1(5), 1);
244 gpio_free(EXYNOS5_GPX1(5));
246 /* fire nRESET on power off */
247 gpio_set_value(EXYNOS5_GPX1(5), 0);
249 gpio_set_value(EXYNOS5_GPX1(5), 1);
251 gpio_free(EXYNOS5_GPX1(5));
255 * Request lcd_bl_en GPIO for smdk5250_bl_notify().
256 * TODO: Fix this so we are not at risk of requesting the GPIO
257 * multiple times, this should be done with device tree, and
258 * likely integrated into the plat-samsung/dev-backlight.c init.
260 gpio_request_one(EXYNOS5_GPX3(0), GPIOF_OUT_INIT_LOW, "GPX3");
263 static int smdk5250_match_fb(struct plat_lcd_data *pd, struct fb_info *info)
265 /* Don't call .set_power callback while unblanking */
269 static struct plat_lcd_data smdk5250_lcd_data = {
270 .set_power = lcd_set_power,
271 .match_fb = smdk5250_match_fb,
274 static struct platform_device smdk5250_lcd = {
275 .name = "platform-lcd",
276 .dev.platform_data = &smdk5250_lcd_data,
279 static int smdk5250_bl_notify(struct device *unused, int brightness)
281 /* manage lcd_bl_en signal */
283 gpio_set_value(EXYNOS5_GPX3(0), 1);
285 gpio_set_value(EXYNOS5_GPX3(0), 0);
290 /* LCD Backlight data */
291 static struct samsung_bl_gpio_info smdk5250_bl_gpio_info = {
292 .no = EXYNOS5_GPB2(0),
293 .func = S3C_GPIO_SFN(2),
296 static struct platform_pwm_backlight_data smdk5250_bl_data = {
297 .pwm_period_ns = 1000,
298 .notify = smdk5250_bl_notify,
301 struct platform_device exynos_device_md0 = {
302 .name = "exynos-mdev",
306 struct platform_device exynos_device_md1 = {
307 .name = "exynos-mdev",
311 struct platform_device exynos_device_md2 = {
312 .name = "exynos-mdev",
316 static struct regulator_consumer_supply wm8994_avdd1_supply =
317 REGULATOR_SUPPLY("AVDD1", "1-001a");
319 static struct regulator_consumer_supply wm8994_dcvdd_supply =
320 REGULATOR_SUPPLY("DCVDD", "1-001a");
322 static struct regulator_init_data wm8994_ldo1_data = {
326 .num_consumer_supplies = 1,
327 .consumer_supplies = &wm8994_avdd1_supply,
330 static struct regulator_init_data wm8994_ldo2_data = {
334 .num_consumer_supplies = 1,
335 .consumer_supplies = &wm8994_dcvdd_supply,
338 static struct wm8994_pdata wm8994_platform_data = {
339 /* configure gpio1 function: 0x0001(Logic level input/output) */
340 .gpio_defaults[0] = 0x0001,
341 /* If the i2s0 and i2s2 is enabled simultaneously */
342 .gpio_defaults[7] = 0x8100, /* GPIO8 DACDAT3 in */
343 .gpio_defaults[8] = 0x0100, /* GPIO9 ADCDAT3 out */
344 .gpio_defaults[9] = 0x0100, /* GPIO10 LRCLK3 out */
345 .gpio_defaults[10] = 0x0100,/* GPIO11 BCLK3 out */
346 .ldo[0] = { 0, &wm8994_ldo1_data },
347 .ldo[1] = { 0, &wm8994_ldo2_data },
350 static struct i2c_board_info i2c_devs1[] __initdata = {
352 I2C_BOARD_INFO("wm8994", 0x1a),
353 .platform_data = &wm8994_platform_data,
357 struct sysmmu_platform_data platdata_sysmmu_mfc_l = {
359 .clockname = "sysmmu",
362 struct sysmmu_platform_data platdata_sysmmu_mfc_r = {
364 .clockname = "sysmmu",
367 struct sysmmu_platform_data platdata_sysmmu_gsc = {
369 .clockname = "sysmmu",
372 struct sysmmu_platform_data platdata_sysmmu_g2d = {
374 .clockname = "sysmmu",
377 struct sysmmu_platform_data platdata_sysmmu_fimd = {
379 .clockname = "sysmmu",
382 struct sysmmu_platform_data platdata_sysmmu_tv = {
384 .clockname = "sysmmu",
387 #ifdef CONFIG_VIDEO_FIMG2D4X
388 static struct fimg2d_platdata fimg2d_data __initdata = {
390 .gate_clkname = "fimg2d",
394 static struct exynos4_ohci_platdata smdk5250_ohci_pdata = {
395 .phy_init = s5p_usb_phy_init,
396 .phy_exit = s5p_usb_phy_exit,
399 static struct s5p_ehci_platdata smdk5250_ehci_pdata = {
400 .phy_init = s5p_usb_phy_init,
401 .phy_exit = s5p_usb_phy_exit,
404 static struct dwc3_exynos_data smdk5250_xhci_pdata = {
405 .phy_type = S5P_USB_PHY_DRD,
406 .phy_init = s5p_usb_phy_init,
407 .phy_exit = s5p_usb_phy_exit,
410 struct exynos_gpio_cfg {
416 static const char *rclksrc[] = {
421 static int exynos_cfg_i2s_gpio(struct platform_device *pdev)
424 /* configure GPIO for i2s port */
425 struct exynos_gpio_cfg exynos5_cfg[3] = {
426 { EXYNOS5_GPZ(0), 7, S3C_GPIO_SFN(2) },
427 { EXYNOS5_GPB0(0), 5, S3C_GPIO_SFN(2) },
428 { EXYNOS5_GPB1(0), 5, S3C_GPIO_SFN(2) }
431 if (pdev->dev.of_node) {
432 id = of_alias_get_id(pdev->dev.of_node, "i2s");
434 dev_err(&pdev->dev, "failed to get alias id:%d\n", id);
439 if (id < 0 || id > 2) {
440 printk(KERN_ERR "Invalid Device %d\n", id);
444 s3c_gpio_cfgpin_range(exynos5_cfg[id].addr,
445 exynos5_cfg[id].num, exynos5_cfg[id].bit);
450 static struct s3c_audio_pdata i2sv5_pdata = {
451 .cfg_gpio = exynos_cfg_i2s_gpio,
454 .quirks = QUIRK_PRI_6CHAN | QUIRK_SEC_DAI
457 .idma_addr = EXYNOS4_AUDSS_INT_MEM,
462 * The following lookup table is used to override device names when devices
463 * are registered from device tree. This is temporarily added to enable
464 * device tree support addition for the EXYNOS5 architecture.
466 * For drivers that require platform data to be provided from the machine
467 * file, a platform data pointer can also be supplied along with the
468 * devices names. Usually, the platform data elements that cannot be parsed
469 * from the device tree by the drivers (example: function pointers) are
470 * supplied. But it should be noted that this is a temporary mechanism and
471 * at some point, the drivers should be capable of parsing all the platform
472 * data from the device tree.
474 static const struct of_dev_auxdata exynos5250_auxdata_lookup[] __initconst = {
475 OF_DEV_AUXDATA("samsung,exynos4210-uart", EXYNOS5_PA_UART0,
476 "exynos4210-uart.0", NULL),
477 OF_DEV_AUXDATA("samsung,exynos4210-uart", EXYNOS5_PA_UART1,
478 "exynos4210-uart.1", NULL),
479 OF_DEV_AUXDATA("samsung,exynos4210-uart", EXYNOS5_PA_UART2,
480 "exynos4210-uart.2", NULL),
481 OF_DEV_AUXDATA("samsung,exynos4210-uart", EXYNOS5_PA_UART3,
482 "exynos4210-uart.3", NULL),
483 OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS5_PA_IIC(0),
484 "s3c2440-i2c.0", NULL),
485 OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS5_PA_IIC(1),
486 "s3c2440-i2c.1", NULL),
487 OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS5_PA_IIC(2),
488 "s3c2440-i2c.2", NULL),
489 OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS5_PA_IIC(8),
490 "s3c2440-hdmiphy-i2c", NULL),
491 OF_DEV_AUXDATA("synopsis,dw-mshc-exynos5250", 0x12200000,
493 OF_DEV_AUXDATA("synopsis,dw-mshc-exynos5250", 0x12210000,
495 OF_DEV_AUXDATA("synopsis,dw-mshc-exynos5250", 0x12220000,
497 OF_DEV_AUXDATA("synopsis,dw-mshc-exynos5250", 0x12230000,
499 OF_DEV_AUXDATA("arm,pl330", EXYNOS5_PA_PDMA0, "dma-pl330.0", NULL),
500 OF_DEV_AUXDATA("arm,pl330", EXYNOS5_PA_PDMA1, "dma-pl330.1", NULL),
501 OF_DEV_AUXDATA("arm,pl330", EXYNOS5_PA_MDMA1, "dma-pl330.2", NULL),
502 OF_DEV_AUXDATA("samsung,s5p-sysmmu", 0x10A60000,
503 "s5p-sysmmu.2", &platdata_sysmmu_g2d),
504 OF_DEV_AUXDATA("samsung,s5p-sysmmu", 0x11210000,
505 "s5p-sysmmu.3", &platdata_sysmmu_mfc_l),
506 OF_DEV_AUXDATA("samsung,s5p-sysmmu", 0x11200000,
507 "s5p-sysmmu.4", &platdata_sysmmu_mfc_r),
508 OF_DEV_AUXDATA("samsung,s5p-sysmmu", 0x14640000,
509 "s5p-sysmmu.27", &platdata_sysmmu_fimd),
510 OF_DEV_AUXDATA("samsung,s5p-sysmmu", 0x14650000,
511 "s5p-sysmmu.28", &platdata_sysmmu_tv),
512 OF_DEV_AUXDATA("samsung,s5p-sysmmu", 0x13E80000,
513 "s5p-sysmmu.23", &platdata_sysmmu_gsc),
514 OF_DEV_AUXDATA("samsung,s5p-sysmmu", 0x13E90000,
515 "s5p-sysmmu.24", &platdata_sysmmu_gsc),
516 OF_DEV_AUXDATA("samsung,s5p-sysmmu", 0x13EA0000,
517 "s5p-sysmmu.25", &platdata_sysmmu_gsc),
518 OF_DEV_AUXDATA("samsung,s5p-sysmmu", 0x13EB0000,
519 "s5p-sysmmu.26", &platdata_sysmmu_gsc),
520 OF_DEV_AUXDATA("samsung,exynos5-fb", 0x14400000,
521 "exynos5-fb", &smdk5250_lcd1_pdata),
522 OF_DEV_AUXDATA("samsung,exynos5-mipi", 0x14500000,
523 "s5p-mipi-dsim", &dsim_platform_data),
524 OF_DEV_AUXDATA("samsung,s5p-mfc-v6", 0x11000000, "s5p-mfc-v6", NULL),
525 OF_DEV_AUXDATA("samsung,exynos-gsc", 0x13E00000,
526 "exynos-gsc.0", NULL),
527 OF_DEV_AUXDATA("samsung,exynos-gsc", 0x13E10000,
528 "exynos-gsc.1", NULL),
529 OF_DEV_AUXDATA("samsung,exynos-gsc", 0x13E20000,
530 "exynos-gsc.2", NULL),
531 OF_DEV_AUXDATA("samsung,exynos-gsc", 0x13E30000,
532 "exynos-gsc.3", NULL),
533 #ifdef CONFIG_VIDEO_FIMG2D4X
534 OF_DEV_AUXDATA("samsung,s5p-g2d", 0x10850000,
535 "s5p-g2d", &fimg2d_data),
537 OF_DEV_AUXDATA("samsung,exynos-ohci", 0x12120000,
538 "exynos-ohci", &smdk5250_ohci_pdata),
539 OF_DEV_AUXDATA("samsung,exynos-ehci", 0x12110000,
540 "s5p-ehci", &smdk5250_ehci_pdata),
541 OF_DEV_AUXDATA("samsung,exynos-xhci", 0x12000000,
542 "exynos-dwc3", &smdk5250_xhci_pdata),
543 OF_DEV_AUXDATA("samsung,i2s", 0x03830000,
544 "samsung-i2s.0", &i2sv5_pdata),
548 static struct platform_device *smdk5250_devices[] __initdata = {
549 &smdk5250_lcd, /* for platform_lcd device */
550 &exynos_device_md0, /* for media device framework */
551 &exynos_device_md1, /* for media device framework */
552 &exynos_device_md2, /* for media device framework */
553 &samsung_asoc_dma, /* for audio dma interface device */
557 static void __init exynos5250_dt_map_io(void)
559 exynos_init_io(NULL, 0);
560 s3c24xx_init_clocks(24000000);
563 static void __init exynos5_reserve(void)
565 /* required to have enough address range to remap the IOMMU
566 * allocated buffers */
567 init_consistent_dma_size(SZ_64M);
570 static void s5p_tv_setup(void)
572 /* direct HPD to HDMI chip */
573 gpio_request(EXYNOS5_GPX3(7), "hpd-plug");
575 gpio_direction_input(EXYNOS5_GPX3(7));
576 s3c_gpio_cfgpin(EXYNOS5_GPX3(7), S3C_GPIO_SFN(0x3));
577 s3c_gpio_setpull(EXYNOS5_GPX3(7), S3C_GPIO_PULL_NONE);
580 static void exynos5_i2c_setup(void)
582 /* Setup the low-speed i2c controller interrupts */
583 writel(0x0, EXYNOS5_SYS_I2C_CFG);
586 static void __init exynos5250_dt_machine_init(void)
588 if (of_machine_is_compatible("samsung,smdk5250"))
590 samsung_bl_set(&smdk5250_bl_gpio_info, &smdk5250_bl_data);
592 if (gpio_request_one(EXYNOS5_GPX2(6), GPIOF_OUT_INIT_HIGH,
593 "HOST_VBUS_CONTROL")) {
594 printk(KERN_ERR "failed to request gpio_host_vbus\n");
596 s3c_gpio_setpull(EXYNOS5_GPX2(6), S3C_GPIO_PULL_NONE);
597 gpio_free(EXYNOS5_GPX2(6));
602 i2c_register_board_info(1, i2c_devs1, ARRAY_SIZE(i2c_devs1));
604 of_platform_populate(NULL, of_default_bus_match_table,
605 exynos5250_auxdata_lookup, NULL);
609 platform_add_devices(smdk5250_devices, ARRAY_SIZE(smdk5250_devices));
612 static char const *exynos5250_dt_compat[] __initdata = {
613 "samsung,exynos5250",
617 DT_MACHINE_START(EXYNOS5_DT, "SAMSUNG EXYNOS5 (Flattened Device Tree)")
618 /* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
619 .init_irq = exynos5_init_irq,
620 .reserve = exynos5_reserve,
621 .map_io = exynos5250_dt_map_io,
622 .handle_irq = gic_handle_irq,
623 .init_machine = exynos5250_dt_machine_init,
624 .timer = &exynos4_timer,
625 .dt_compat = exynos5250_dt_compat,
626 .restart = exynos5_restart,