1 files changed, 54 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/exynos/power.c b/arch/arm/cpu/armv7/exynos/power.c
new file mode 100644
index 0000000000..c765304fd5
--- /dev/null
+++ b/arch/arm/cpu/armv7/exynos/power.c
@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2012 Samsung Electronics
+ * Donghwa Lee <dh09.lee@samsung.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/power.h>
+
+static void exynos4_mipi_phy_control(unsigned int dev_index,
+					unsigned int enable)
+{
+	struct exynos4_power *pmu =
+	    (struct exynos4_power *)samsung_get_base_power();
+	unsigned int addr, cfg = 0;
+
+	if (dev_index == 0)
+		addr = (unsigned int)&pmu->mipi_phy0_control;
+	else
+		addr = (unsigned int)&pmu->mipi_phy1_control;
+
+
+	cfg = readl(addr);
+	if (enable)
+		cfg |= (EXYNOS_MIPI_PHY_MRESETN | EXYNOS_MIPI_PHY_ENABLE);
+	else
+		cfg &= ~(EXYNOS_MIPI_PHY_MRESETN | EXYNOS_MIPI_PHY_ENABLE);
+
+	writel(cfg, addr);
+}
+
+void set_mipi_phy_ctrl(unsigned int dev_index, unsigned int enable)
+{
+	if (cpu_is_exynos4())
+		exynos4_mipi_phy_control(dev_index, enable);
+}