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