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Diffstat (limited to 'arch/arm/include/asm/arch-at91/clk.h')
-rw-r--r--arch/arm/include/asm/arch-at91/clk.h63
1 files changed, 63 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-at91/clk.h b/arch/arm/include/asm/arch-at91/clk.h
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+++ b/arch/arm/include/asm/arch-at91/clk.h
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+/*
+ * (C) Copyright 2007
+ * Stelian Pop <stelian.pop@leadtechdesign.com>
+ * Lead Tech Design <www.leadtechdesign.com>
+ * Copyright (C) 2009 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.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
+ */
+#ifndef __ASM_ARM_ARCH_CLK_H__
+#define __ASM_ARM_ARCH_CLK_H__
+
+#include <asm/arch/hardware.h>
+
+unsigned long get_cpu_clk_rate(void);
+unsigned long get_main_clk_rate(void);
+unsigned long get_mck_clk_rate(void);
+unsigned long get_plla_clk_rate(void);
+unsigned long get_pllb_clk_rate(void);
+unsigned int get_pllb_init(void);
+
+static inline unsigned long get_macb_pclk_rate(unsigned int dev_id)
+{
+ return get_mck_clk_rate();
+}
+
+static inline unsigned long get_usart_clk_rate(unsigned int dev_id)
+{
+ return get_mck_clk_rate();
+}
+
+static inline unsigned long get_lcdc_clk_rate(unsigned int dev_id)
+{
+ return get_mck_clk_rate();
+}
+
+static inline unsigned long get_spi_clk_rate(unsigned int dev_id)
+{
+ return get_mck_clk_rate();
+}
+
+static inline unsigned long get_twi_clk_rate(unsigned int dev_id)
+{
+ return get_mck_clk_rate();
+}
+
+int at91_clock_init(unsigned long main_clock);
+#endif /* __ASM_ARM_ARCH_CLK_H__ */
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