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authorSebastian Hesselbarth <sebastian.hesselbarth@gmail.com>2012-11-17 15:22:22 +0100
committerThomas Petazzoni <thomas.petazzoni@free-electrons.com>2012-11-20 14:34:08 +0100
commit97fa4cf442ff2872000d9110686371775795a32b (patch)
tree24a2347bd5f5620dd5ac6a7d9964029c13245231 /include/linux/clk
parentf4a75d2eb7b1e2206094b901be09adb31ba63681 (diff)
downloadop-kernel-dev-97fa4cf442ff2872000d9110686371775795a32b.zip
op-kernel-dev-97fa4cf442ff2872000d9110686371775795a32b.tar.gz
clk: mvebu: add mvebu core clocks.
This driver allows to provide DT clocks for core clocks found on Marvell Kirkwood, Dove & 370/XP SoCs. The core clock frequencies and ratios are determined by decoding the Sample-At-Reset registers. Although technically correct, using a divider of 0 will lead to div_by_zero panic. Let's use a ratio of 0/1 instead to fail later with a zero clock. Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com> Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Signed-off-by: Andrew Lunn <andrew@lunn.ch> Tested-by Gregory CLEMENT <gregory.clement@free-electrons.com>
Diffstat (limited to 'include/linux/clk')
-rw-r--r--include/linux/clk/mvebu.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/include/linux/clk/mvebu.h b/include/linux/clk/mvebu.h
new file mode 100644
index 0000000..8c4ae71
--- /dev/null
+++ b/include/linux/clk/mvebu.h
@@ -0,0 +1,22 @@
+/*
+ * 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 __CLK_MVEBU_H_
+#define __CLK_MVEBU_H_
+
+void __init mvebu_clocks_init(void);
+
+#endif
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