Update from 2013.01 to 2013.07

[karo-tx-uboot.git] / arch / arm / include / asm / arch-exynos / clk.h

diff --git a/arch/arm/include/asm/arch-exynos/clk.h b/arch/arm/include/asm/arch-exynos/clk.h
index 1935b0b5b899d86f96c218c90a44526cc71fcfb1..71075bd5331ca6d07f72ee46010abdb4ab63f754 100644 (file)
--- a/arch/arm/include/asm/arch-exynos/clk.h
+++ b/arch/arm/include/asm/arch-exynos/clk.h
@@ -2,21 +2,7 @@
  * (C) Copyright 2010 Samsung Electronics
  * Minkyu Kang <mk7.kang@samsung.com>
  *
- * 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
- *
+ * SPDX-License-Identifier:    GPL-2.0+
  */
 
 #ifndef __ASM_ARM_ARCH_CLK_H_
@@ -29,6 +15,12 @@
 #define VPLL   4
 #define BPLL   5
 
+enum pll_src_bit {
+       EXYNOS_SRC_MPLL = 6,
+       EXYNOS_SRC_EPLL,
+       EXYNOS_SRC_VPLL,
+};
+
 unsigned long get_pll_clk(int pllreg);
 unsigned long get_arm_clk(void);
 unsigned long get_i2c_clk(void);
@@ -44,4 +36,13 @@ int set_i2s_clk_prescaler(unsigned int src_frq, unsigned int dst_frq);
 int set_epll_clk(unsigned long rate);
 int set_spi_clk(int periph_id, unsigned int rate);
 
+/**
+ * get the clk frequency of the required peripheral
+ *
+ * @param peripheral   Peripheral id
+ *
+ * @return frequency of the peripheral clk
+ */
+unsigned long clock_get_periph_rate(int peripheral);
+
 #endif