Merge branch 'u-boot-samsung/master' into 'u-boot-arm/master'

[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..ffbc07e228cb8bb1c86694b72d2225183a21b199 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_
@@ -28,6 +14,18 @@
 #define HPLL   3
 #define VPLL   4
 #define BPLL   5
+#define RPLL   6
+
+#define MASK_PRE_RATIO(x)      (0xff << ((x << 4) + 8))
+#define MASK_RATIO(x)          (0xf << (x << 4))
+#define SET_PRE_RATIO(x, y)    ((y & 0xff) << ((x << 4) + 8))
+#define SET_RATIO(x, y)                ((y & 0xf) << (x << 4))
+
+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);
@@ -39,9 +37,19 @@ void set_mmc_clk(int dev_index, unsigned int div);
 unsigned long get_lcd_clk(void);
 void set_lcd_clk(void);
 void set_mipi_clk(void);
-void set_i2s_clk_source(void);
-int set_i2s_clk_prescaler(unsigned int src_frq, unsigned int dst_frq);
+int set_i2s_clk_source(unsigned int i2s_id);
+int set_i2s_clk_prescaler(unsigned int src_frq, unsigned int dst_frq,
+                               unsigned int i2s_id);
 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