1 files changed, 82 insertions, 0 deletions

diff --git a/arch/arm/mach-omap2/clkt_iclk.c b/arch/arm/mach-omap2/clkt_iclk.c
new file mode 100644
index 000000000000..3d43fba2542f
--- /dev/null
+++ b/arch/arm/mach-omap2/clkt_iclk.c
@@ -0,0 +1,82 @@
+/*
+ * OMAP2/3 interface clock control
+ *
+ * Copyright (C) 2011 Nokia Corporation
+ * Paul Walmsley
+ *
+ * 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 <plat/clock.h>
+#include <plat/prcm.h>
+
+#include "clock.h"
+#include "clock2xxx.h"
+#include "cm2xxx_3xxx.h"
+#include "cm-regbits-24xx.h"
+
+/* Private functions */
+
+/* XXX */
+void omap2_clkt_iclk_allow_idle(struct clk *clk)
+{
+        u32 v, r;
+
+        r = ((__force u32)clk->enable_reg ^ (CM_AUTOIDLE ^ CM_ICLKEN));
+
+        v = __raw_readl((__force void __iomem *)r);
+        v |= (1 << clk->enable_bit);
+        __raw_writel(v, (__force void __iomem *)r);
+}
+
+/* XXX */
+void omap2_clkt_iclk_deny_idle(struct clk *clk)
+{
+        u32 v, r;
+
+        r = ((__force u32)clk->enable_reg ^ (CM_AUTOIDLE ^ CM_ICLKEN));
+
+        v = __raw_readl((__force void __iomem *)r);
+        v &= ~(1 << clk->enable_bit);
+        __raw_writel(v, (__force void __iomem *)r);
+}
+
+/* Public data */
+
+const struct clkops clkops_omap2_iclk_dflt_wait = {
+        .enable         = omap2_dflt_clk_enable,
+        .disable        = omap2_dflt_clk_disable,
+        .find_companion = omap2_clk_dflt_find_companion,
+        .find_idlest    = omap2_clk_dflt_find_idlest,
+        .allow_idle     = omap2_clkt_iclk_allow_idle,
+        .deny_idle      = omap2_clkt_iclk_deny_idle,
+};
+
+const struct clkops clkops_omap2_iclk_dflt = {
+        .enable         = omap2_dflt_clk_enable,
+        .disable        = omap2_dflt_clk_disable,
+        .allow_idle     = omap2_clkt_iclk_allow_idle,
+        .deny_idle      = omap2_clkt_iclk_deny_idle,
+};
+
+const struct clkops clkops_omap2_iclk_idle_only = {
+        .allow_idle     = omap2_clkt_iclk_allow_idle,
+        .deny_idle      = omap2_clkt_iclk_deny_idle,
+};
+
+const struct clkops clkops_omap2_mdmclk_dflt_wait = {
+        .enable         = omap2_dflt_clk_enable,
+        .disable        = omap2_dflt_clk_disable,
+        .find_companion = omap2_clk_dflt_find_companion,
+        .find_idlest    = omap2_clk_dflt_find_idlest,
+        .allow_idle     = omap2_clkt_iclk_allow_idle,
+        .deny_idle      = omap2_clkt_iclk_deny_idle,
+};
+