1 /*
2  * Copyright (C) 2018 Armadeus Systems
3  *
4  * SPDX-License-Identifier:	GPL-2.0+
5  */
6 
7 #include <asm/arch/clock.h>
8 #include <asm/arch/mx6-pins.h>
9 #include <asm/arch/sys_proto.h>
10 #include <asm/gpio.h>
11 #include <asm/mach-imx/iomux-v3.h>
12 #include <asm/io.h>
13 #include <common.h>
14 
15 DECLARE_GLOBAL_DATA_PTR;
16 
17 #ifdef CONFIG_VIDEO_MXS
18 #define LCD_PAD_CTRL ( \
19 	PAD_CTL_HYS | PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \
20 	PAD_CTL_PKE | PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm \
21 )
22 
23 static iomux_v3_cfg_t const lcd_pads[] = {
24 	MX6_PAD_LCD_CLK__LCDIF_CLK | MUX_PAD_CTRL(LCD_PAD_CTRL),
25 	MX6_PAD_LCD_ENABLE__LCDIF_ENABLE | MUX_PAD_CTRL(LCD_PAD_CTRL),
26 	MX6_PAD_LCD_HSYNC__LCDIF_HSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL),
27 	MX6_PAD_LCD_VSYNC__LCDIF_VSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL),
28 	MX6_PAD_LCD_DATA00__LCDIF_DATA00 | MUX_PAD_CTRL(LCD_PAD_CTRL),
29 	MX6_PAD_LCD_DATA01__LCDIF_DATA01 | MUX_PAD_CTRL(LCD_PAD_CTRL),
30 	MX6_PAD_LCD_DATA02__LCDIF_DATA02 | MUX_PAD_CTRL(LCD_PAD_CTRL),
31 	MX6_PAD_LCD_DATA03__LCDIF_DATA03 | MUX_PAD_CTRL(LCD_PAD_CTRL),
32 	MX6_PAD_LCD_DATA04__LCDIF_DATA04 | MUX_PAD_CTRL(LCD_PAD_CTRL),
33 	MX6_PAD_LCD_DATA05__LCDIF_DATA05 | MUX_PAD_CTRL(LCD_PAD_CTRL),
34 	MX6_PAD_LCD_DATA06__LCDIF_DATA06 | MUX_PAD_CTRL(LCD_PAD_CTRL),
35 	MX6_PAD_LCD_DATA07__LCDIF_DATA07 | MUX_PAD_CTRL(LCD_PAD_CTRL),
36 	MX6_PAD_LCD_DATA08__LCDIF_DATA08 | MUX_PAD_CTRL(LCD_PAD_CTRL),
37 	MX6_PAD_LCD_DATA09__LCDIF_DATA09 | MUX_PAD_CTRL(LCD_PAD_CTRL),
38 	MX6_PAD_LCD_DATA10__LCDIF_DATA10 | MUX_PAD_CTRL(LCD_PAD_CTRL),
39 	MX6_PAD_LCD_DATA11__LCDIF_DATA11 | MUX_PAD_CTRL(LCD_PAD_CTRL),
40 	MX6_PAD_LCD_DATA12__LCDIF_DATA12 | MUX_PAD_CTRL(LCD_PAD_CTRL),
41 	MX6_PAD_LCD_DATA13__LCDIF_DATA13 | MUX_PAD_CTRL(LCD_PAD_CTRL),
42 	MX6_PAD_LCD_DATA14__LCDIF_DATA14 | MUX_PAD_CTRL(LCD_PAD_CTRL),
43 	MX6_PAD_LCD_DATA15__LCDIF_DATA15 | MUX_PAD_CTRL(LCD_PAD_CTRL),
44 	MX6_PAD_LCD_DATA16__LCDIF_DATA16 | MUX_PAD_CTRL(LCD_PAD_CTRL),
45 	MX6_PAD_LCD_DATA17__LCDIF_DATA17 | MUX_PAD_CTRL(LCD_PAD_CTRL),
46 
47 	MX6_PAD_NAND_ALE__GPIO4_IO10 | MUX_PAD_CTRL(NO_PAD_CTRL)
48 };
49 
50 int setup_lcd(void)
51 {
52 	struct gpio_desc backlight;
53 	int ret;
54 
55 	enable_lcdif_clock(LCDIF1_BASE_ADDR, 1);
56 
57 	imx_iomux_v3_setup_multiple_pads(lcd_pads, ARRAY_SIZE(lcd_pads));
58 
59 	/* Set Brightness to high */
60 	ret = dm_gpio_lookup_name("GPIO4_10", &backlight);
61 	if (ret) {
62 		printf("Cannot get GPIO4_10\n");
63 		return ret;
64 	}
65 
66 	ret = dm_gpio_request(&backlight, "backlight");
67 	if (ret) {
68 		printf("Cannot request GPIO4_10\n");
69 		return ret;
70 	}
71 
72 	dm_gpio_set_dir_flags(&backlight, GPIOD_IS_OUT);
73 	dm_gpio_set_value(&backlight, 1);
74 
75 	return 0;
76 }
77 #endif
78 
79 #ifdef CONFIG_USB_EHCI_MX6
80 #define USB_OTHERREGS_OFFSET	0x800
81 #define UCTRL_PWR_POL		(1 << 9)
82 
83 int board_ehci_hcd_init(int port)
84 {
85 	u32 *usbnc_usb_ctrl;
86 
87 	if (port > 1)
88 		return -EINVAL;
89 
90 	usbnc_usb_ctrl = (u32 *)(USB_BASE_ADDR + USB_OTHERREGS_OFFSET +
91 				 port * 4);
92 
93 	/* Set Power polarity */
94 	setbits_le32(usbnc_usb_ctrl, UCTRL_PWR_POL);
95 
96 	return 0;
97 }
98 #endif
99 
100 int opos6ul_board_late_init(void)
101 {
102 #ifdef CONFIG_VIDEO_MXS
103 	setup_lcd();
104 #endif
105 
106 	return 0;
107 }
108