| Donghwa Lee | 0955271 | 2012-04-05 19:36:10 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2012 Samsung Electronics |
| 3 | * Donghwa Lee <dh09.lee@samsung.com> |
| 4 | * |
| 5 | * See file CREDITS for list of people who contributed to this |
| 6 | * project. |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or |
| 9 | * modify it under the terms of the GNU General Public License as |
| 10 | * published by the Free Software Foundation; either version 2 of |
| 11 | * the License, or (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License |
| 19 | * along with this program; if not, write to the Free Software |
| 20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 21 | * MA 02111-1307 USA |
| 22 | */ |
| 23 | |
| 24 | #include <common.h> |
| 25 | #include <asm/io.h> |
| 26 | #include <asm/arch/power.h> |
| 27 | |
| 28 | static void exynos4_mipi_phy_control(unsigned int dev_index, |
| 29 | unsigned int enable) |
| 30 | { |
| 31 | struct exynos4_power *pmu = |
| 32 | (struct exynos4_power *)samsung_get_base_power(); |
| 33 | unsigned int addr, cfg = 0; |
| 34 | |
| 35 | if (dev_index == 0) |
| 36 | addr = (unsigned int)&pmu->mipi_phy0_control; |
| 37 | else |
| 38 | addr = (unsigned int)&pmu->mipi_phy1_control; |
| 39 | |
| 40 | |
| 41 | cfg = readl(addr); |
| 42 | if (enable) |
| 43 | cfg |= (EXYNOS_MIPI_PHY_MRESETN | EXYNOS_MIPI_PHY_ENABLE); |
| 44 | else |
| 45 | cfg &= ~(EXYNOS_MIPI_PHY_MRESETN | EXYNOS_MIPI_PHY_ENABLE); |
| 46 | |
| 47 | writel(cfg, addr); |
| 48 | } |
| 49 | |
| 50 | void set_mipi_phy_ctrl(unsigned int dev_index, unsigned int enable) |
| 51 | { |
| 52 | if (cpu_is_exynos4()) |
| 53 | exynos4_mipi_phy_control(dev_index, enable); |
| 54 | } |
| Rajeshwari Shinde | 21965ac | 2012-05-14 05:52:03 +0000 | [diff] [blame] | 55 | |
| 56 | void exynos5_set_usbhost_phy_ctrl(unsigned int enable) |
| 57 | { |
| 58 | struct exynos5_power *power = |
| 59 | (struct exynos5_power *)samsung_get_base_power(); |
| 60 | |
| 61 | if (enable) { |
| 62 | /* Enabling USBHOST_PHY */ |
| 63 | setbits_le32(&power->usbhost_phy_control, |
| 64 | POWER_USB_HOST_PHY_CTRL_EN); |
| 65 | } else { |
| 66 | /* Disabling USBHOST_PHY */ |
| 67 | clrbits_le32(&power->usbhost_phy_control, |
| 68 | POWER_USB_HOST_PHY_CTRL_EN); |
| 69 | } |
| 70 | } |
| 71 | |
| 72 | void set_usbhost_phy_ctrl(unsigned int enable) |
| 73 | { |
| 74 | if (cpu_is_exynos5()) |
| 75 | exynos5_set_usbhost_phy_ctrl(enable); |
| 76 | } |
| Donghwa Lee | a6b453f | 2012-07-02 01:15:56 +0000 | [diff] [blame^] | 77 | |
| 78 | static void exynos5_dp_phy_control(unsigned int enable) |
| 79 | { |
| 80 | unsigned int cfg; |
| 81 | struct exynos5_power *power = |
| 82 | (struct exynos5_power *)samsung_get_base_power(); |
| 83 | |
| 84 | cfg = readl(&power->dptx_phy_control); |
| 85 | if (enable) |
| 86 | cfg |= EXYNOS_DP_PHY_ENABLE; |
| 87 | else |
| 88 | cfg &= ~EXYNOS_DP_PHY_ENABLE; |
| 89 | |
| 90 | writel(cfg, &power->dptx_phy_control); |
| 91 | } |
| 92 | |
| 93 | void set_dp_phy_ctrl(unsigned int enable) |
| 94 | { |
| 95 | if (cpu_is_exynos5()) |
| 96 | exynos5_dp_phy_control(enable); |
| 97 | } |