projects / people / ms / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| e106bd9b RS |
1 | /* |
| 2 | * Copyright (C) 2013 Samsung Electronics | |
| 3 | * | |
| 4 | * SPDX-License-Identifier: GPL-2.0+ | |
| 5 | */ | |
| 6 | ||
| 7 | #include <common.h> | |
| 8 | #include <fdtdec.h> | |
| 9 | #include <asm/io.h> | |
| 10 | #include <i2c.h> | |
| 11 | #include <lcd.h> | |
| 12 | #include <spi.h> | |
| a99cea03 | 13 | #include <errno.h> |
| 903fd795 | 14 | #include <asm/gpio.h> |
| e106bd9b RS |
15 | #include <asm/arch/board.h> |
| 16 | #include <asm/arch/cpu.h> | |
| e106bd9b | 17 | #include <asm/arch/pinmux.h> |
| a99cea03 | 18 | #include <asm/arch/system.h> |
| e106bd9b | 19 | #include <asm/arch/dp_info.h> |
| a99cea03 | 20 | #include <power/tps65090_pmic.h> |
| e106bd9b RS |
21 | |
| 22 | DECLARE_GLOBAL_DATA_PTR; | |
| 23 | ||
| 24 | #ifdef CONFIG_USB_EHCI_EXYNOS | |
| 25 | static int board_usb_vbus_init(void) | |
| 26 | { | |
| e106bd9b | 27 | /* Enable VBUS power switch */ |
| f6ae1ca0 | 28 | gpio_direction_output(EXYNOS5420_GPIO_X26, 1); |
| e106bd9b RS |
29 | |
| 30 | /* VBUS turn ON time */ | |
| 31 | mdelay(3); | |
| 32 | ||
| 33 | return 0; | |
| 34 | } | |
| 35 | #endif | |
| 36 | ||
| 37 | int exynos_init(void) | |
| 38 | { | |
| 39 | #ifdef CONFIG_USB_EHCI_EXYNOS | |
| 40 | board_usb_vbus_init(); | |
| 41 | #endif | |
| 42 | return 0; | |
| 43 | } | |
| 44 | ||
| 45 | #ifdef CONFIG_LCD | |
| a99cea03 | 46 | static int has_edp_bridge(void) |
| e106bd9b | 47 | { |
| a99cea03 AK |
48 | int node; |
| 49 | ||
| 50 | node = fdtdec_next_compatible(gd->fdt_blob, 0, COMPAT_PARADE_PS8625); | |
| e106bd9b | 51 | |
| a99cea03 AK |
52 | /* No node for bridge in device tree. */ |
| 53 | if (node <= 0) | |
| 54 | return 0; | |
| e106bd9b | 55 | |
| a99cea03 AK |
56 | /* Default is with bridge ic */ |
| 57 | return 1; | |
| e106bd9b RS |
58 | } |
| 59 | ||
| a99cea03 | 60 | void exynos_lcd_power_on(void) |
| e106bd9b | 61 | { |
| a99cea03 AK |
62 | int ret; |
| 63 | ||
| 64 | #ifdef CONFIG_POWER_TPS65090 | |
| 65 | ret = tps65090_init(); | |
| 66 | if (ret < 0) { | |
| 67 | printf("%s: tps65090_init() failed\n", __func__); | |
| 68 | return; | |
| 69 | } | |
| 70 | ||
| 71 | tps65090_fet_enable(6); | |
| 72 | #endif | |
| 73 | ||
| 74 | mdelay(5); | |
| 75 | ||
| 76 | /* TODO(ajaykumar.rs@samsung.com): Use device tree */ | |
| 7f196101 | 77 | gpio_request(EXYNOS5420_GPIO_X35, "edp_slp#"); |
| a99cea03 AK |
78 | gpio_direction_output(EXYNOS5420_GPIO_X35, 1); /* EDP_SLP# */ |
| 79 | mdelay(10); | |
| 7f196101 | 80 | gpio_request(EXYNOS5420_GPIO_Y77, "edp_rst#"); |
| a99cea03 | 81 | gpio_direction_output(EXYNOS5420_GPIO_Y77, 1); /* EDP_RST# */ |
| 7f196101 | 82 | gpio_request(EXYNOS5420_GPIO_X26, "edp_hpd"); |
| a99cea03 AK |
83 | gpio_direction_input(EXYNOS5420_GPIO_X26); /* EDP_HPD */ |
| 84 | gpio_set_pull(EXYNOS5420_GPIO_X26, S5P_GPIO_PULL_NONE); | |
| e106bd9b | 85 | |
| a99cea03 AK |
86 | if (has_edp_bridge()) |
| 87 | if (parade_init(gd->fdt_blob)) | |
| 88 | printf("%s: ps8625_init() failed\n", __func__); | |
| 89 | } | |
| 90 | ||
| 91 | void exynos_backlight_on(unsigned int onoff) | |
| 92 | { | |
| 93 | /* For PWM */ | |
| 7f196101 | 94 | gpio_request(EXYNOS5420_GPIO_B20, "backlight_on"); |
| a99cea03 AK |
95 | gpio_cfg_pin(EXYNOS5420_GPIO_B20, S5P_GPIO_FUNC(0x1)); |
| 96 | gpio_set_value(EXYNOS5420_GPIO_B20, 1); | |
| 97 | ||
| 98 | #ifdef CONFIG_POWER_TPS65090 | |
| 99 | tps65090_fet_enable(1); | |
| 100 | #endif | |
| e106bd9b RS |
101 | } |
| 102 | #endif | |
| 103 | ||
| 104 | int board_get_revision(void) | |
| 105 | { | |
| 106 | return 0; | |
| 107 | } |