Add the rt linux 4.1.3-rt3 as base

Import the rt linux 4.1.3-rt3 as OPNFV kvm base.

It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and
the base is:

commit 0917f823c59692d751951bf5ea699a2d1e2f26a2
Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date:   Sat Jul 25 12:13:34 2015 +0200

    Prepare v4.1.3-rt3

    Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>

We lose all the git history this way and it's not good. We
should apply another opnfv project repo in future.

Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423
Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>

1 files changed, 57 insertions, 0 deletions

diff --git a/kernel/arch/arm/mach-omap2/clock2430.c b/kernel/arch/arm/mach-omap2/clock2430.c
new file mode 100644
index 000000000..cef0c8d1d
--- /dev/null
+++ b/kernel/arch/arm/mach-omap2/clock2430.c
@@ -0,0 +1,57 @@
+/*
+ * clock2430.c - OMAP2430-specific clock integration code
+ *
+ * Copyright (C) 2005-2008 Texas Instruments, Inc.
+ * Copyright (C) 2004-2010 Nokia Corporation
+ *
+ * Contacts:
+ * Richard Woodruff <r-woodruff2@ti.com>
+ * Paul Walmsley
+ *
+ * Based on earlier work by Tuukka Tikkanen, Tony Lindgren,
+ * Gordon McNutt and RidgeRun, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#undef DEBUG
+
+#include <linux/kernel.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+
+#include "soc.h"
+#include "iomap.h"
+#include "clock.h"
+#include "clock2xxx.h"
+#include "cm2xxx.h"
+#include "cm-regbits-24xx.h"
+
+/**
+ * omap2430_clk_i2chs_find_idlest - return CM_IDLEST info for 2430 I2CHS
+ * @clk: struct clk * being enabled
+ * @idlest_reg: void __iomem ** to store CM_IDLEST reg address into
+ * @idlest_bit: pointer to a u8 to store the CM_IDLEST bit shift into
+ * @idlest_val: pointer to a u8 to store the CM_IDLEST indicator
+ *
+ * OMAP2430 I2CHS CM_IDLEST bits are in CM_IDLEST1_CORE, but the
+ * CM_*CLKEN bits are in CM_{I,F}CLKEN2_CORE.  This custom function
+ * passes back the correct CM_IDLEST register address for I2CHS
+ * modules.  No return value.
+ */
+static void omap2430_clk_i2chs_find_idlest(struct clk_hw_omap *clk,
+					   void __iomem **idlest_reg,
+					   u8 *idlest_bit,
+					   u8 *idlest_val)
+{
+	*idlest_reg = OMAP2430_CM_REGADDR(CORE_MOD, CM_IDLEST);
+	*idlest_bit = clk->enable_bit;
+	*idlest_val = OMAP24XX_CM_IDLEST_VAL;
+}
+
+/* 2430 I2CHS has non-standard IDLEST register */
+const struct clk_hw_omap_ops clkhwops_omap2430_i2chs_wait = {
+	.find_idlest	= omap2430_clk_i2chs_find_idlest,
+	.find_companion	= omap2_clk_dflt_find_companion,
+};