1 files changed, 59 insertions, 0 deletions
diff --git a/src/cpu/samsung/exynos5250/pinmux.h b/src/cpu/samsung/exynos5250/pinmux.h
new file mode 100644
index 0000000000..81c00870a6
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+++ b/src/cpu/samsung/exynos5250/pinmux.h
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+/*
+ * Copyright (C) 2012 Samsung Electronics
+ *
+ * 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
+ */
+
+#ifndef __EXYNOS_PINMUX_H
+#define __EXYNOS_PINMUX_H
+
+//#include <asm/arch/periph.h>
+#include "periph.h"
+
+enum {
+	PINMUX_FLAG_NONE	= 0x00000000,
+
+	/* Flags for eMMC */
+	PINMUX_FLAG_8BIT_MODE	= 1 << 0,	/* SDMMC 8-bit mode */
+
+	/*
+	 * Flags for SPI.
+	 */
+	PINMUX_FLAG_SLAVE_MODE	= 1 << 0,	/* Slave mode */
+
+	/* Flags for SROM controller */
+	PINMUX_FLAG_BANK	= 3 << 0,	/* bank number (0-3) */
+	PINMUX_FLAG_16BIT	= 1 << 2,	/* 16-bit width */
+};
+
+/**
+ * Configures the pinmux for a particular peripheral.
+ *
+ * Each gpio can be configured in many different ways (4 bits on exynos)
+ * such as "input", "output", "special function", "external interrupt"
+ * etc. This function will configure the peripheral pinmux along with
+ * pull-up/down and drive strength.
+ *
+ * @param peripheral	peripheral to be configured
+ * @param flags		configure flags
+ * @return 0 if ok, -1 on error (e.g. unsupported peripheral)
+ */
+int exynos_pinmux_config(enum periph_id peripheral, int flags);
+
+#endif