| Donghwa Lee | 283591f | 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 | } |