6 files changed, 74 insertions, 5 deletions
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index c638fe0d84e8..3078ff4d3c71 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -11,7 +11,7 @@ clock-common				= clock.o clock_common_data.o clockdomain.o
 
 obj-$(CONFIG_ARCH_OMAP2) += $(omap-2-3-common) $(prcm-common) $(clock-common)
 obj-$(CONFIG_ARCH_OMAP3) += $(omap-2-3-common) $(prcm-common) $(clock-common)
-obj-$(CONFIG_ARCH_OMAP4) += prcm.o
+obj-$(CONFIG_ARCH_OMAP4) += prcm.o clock.o
 
 obj-$(CONFIG_OMAP_MCBSP) += mcbsp.o
 
@@ -46,6 +46,7 @@ obj-$(CONFIG_ARCH_OMAP2)		+= clock2xxx.o clock2xxx_data.o
 obj-$(CONFIG_ARCH_OMAP2420)		+= opp2420_data.o
 obj-$(CONFIG_ARCH_OMAP3)		+= clock34xx.o clock34xx_data.o
 obj-$(CONFIG_ARCH_OMAP2430)		+= opp2430_data.o
+obj-$(CONFIG_ARCH_OMAP4)		+= clock44xx.o clock44xx_data.o
 
 # EMU peripherals
 obj-$(CONFIG_OMAP3_EMU)		+= emu.o
diff --git a/arch/arm/mach-omap2/clock.c b/arch/arm/mach-omap2/clock.c
index 4716206547ac..5cb2dcb5b23e 100644
--- a/arch/arm/mach-omap2/clock.c
+++ b/arch/arm/mach-omap2/clock.c
@@ -149,6 +149,7 @@ static int _dpll_test_fint(struct clk *clk, u8 n)
  * clockdomain pointer, and save it into the struct clk.  Intended to be
  * called during clk_register().  No return value.
  */
+#ifndef CONFIG_ARCH_OMAP4 /* FIXME: Remove this once clkdm f/w is in place */
 void omap2_init_clk_clkdm(struct clk *clk)
 {
 	struct clockdomain *clkdm;
@@ -166,6 +167,7 @@ void omap2_init_clk_clkdm(struct clk *clk)
 			 "clkdm %s\n", clk->name, clk->clkdm_name);
 	}
 }
+#endif
 
 /**
  * omap2_init_clksel_parent - set a clksel clk's parent field from the hardware
@@ -437,8 +439,10 @@ void omap2_clk_disable(struct clk *clk)
 		_omap2_clk_disable(clk);
 		if (clk->parent)
 			omap2_clk_disable(clk->parent);
+#ifndef CONFIG_ARCH_OMAP4 /* FIXME: Remove this once clkdm f/w is in place */
 		if (clk->clkdm)
 			omap2_clkdm_clk_disable(clk->clkdm, clk);
+#endif
 
 	}
 }
@@ -448,8 +452,10 @@ int omap2_clk_enable(struct clk *clk)
 	int ret = 0;
 
 	if (clk->usecount++ == 0) {
+#ifndef CONFIG_ARCH_OMAP4 /* FIXME: Remove this once clkdm f/w is in place */
 		if (clk->clkdm)
 			omap2_clkdm_clk_enable(clk->clkdm, clk);
+#endif
 
 		if (clk->parent) {
 			ret = omap2_clk_enable(clk->parent);
@@ -468,8 +474,10 @@ int omap2_clk_enable(struct clk *clk)
 	return ret;
 
 err:
+#ifndef CONFIG_ARCH_OMAP4 /* FIXME: Remove this once clkdm f/w is in place */
 	if (clk->clkdm)
 		omap2_clkdm_clk_disable(clk->clkdm, clk);
+#endif
 	clk->usecount--;
 	return ret;
 }
diff --git a/arch/arm/mach-omap2/clock44xx.c b/arch/arm/mach-omap2/clock44xx.c
new file mode 100644
index 000000000000..5b25d38d542e
--- /dev/null
+++ b/arch/arm/mach-omap2/clock44xx.c
@@ -0,0 +1,58 @@
+/*
+ * OMAP4-specific clock framework functions
+ *
+ * Copyright (C) 2009 Texas Instruments, Inc.
+ *
+ * Rajendra Nayak (rnayak@ti.com)
+ *
+ * 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.
+ */
+
+#include <linux/errno.h>
+#include "clock.h"
+
+struct clk_functions omap2_clk_functions = {
+	.clk_enable		= omap2_clk_enable,
+	.clk_disable		= omap2_clk_disable,
+	.clk_round_rate		= omap2_clk_round_rate,
+	.clk_set_rate		= omap2_clk_set_rate,
+	.clk_set_parent		= omap2_clk_set_parent,
+	.clk_disable_unused	= omap2_clk_disable_unused,
+};
+
+/*
+ * Dummy functions for DPLL control. Plan is to re-use
+ * existing OMAP3 dpll control functions.
+ */
+
+unsigned long omap3_dpll_recalc(struct clk *clk)
+{
+	return 0;
+}
+
+int omap3_noncore_dpll_set_rate(struct clk *clk, unsigned long rate)
+{
+	return 0;
+}
+
+int omap3_noncore_dpll_enable(struct clk *clk)
+{
+	return 0;
+}
+
+void omap3_noncore_dpll_disable(struct clk *clk)
+{
+	return;
+}
+
+const struct clkops clkops_noncore_dpll_ops = {
+	.enable		= &omap3_noncore_dpll_enable,
+	.disable	= &omap3_noncore_dpll_disable,
+};
+
+void omap2_clk_prepare_for_reboot(void)
+{
+	return;
+}
diff --git a/arch/arm/mach-omap2/cm.h b/arch/arm/mach-omap2/cm.h
index e8814a60ccf7..90a4086fbdf4 100644
--- a/arch/arm/mach-omap2/cm.h
+++ b/arch/arm/mach-omap2/cm.h
@@ -97,6 +97,10 @@
 
 /* CM2.CEFUSE_CM2 register offsets */
 
+/* OMAP4 modulemode control */
+#define OMAP4430_MODULEMODE_HWCTRL			0
+#define OMAP4430_MODULEMODE_SWCTRL			1
+
 /* Clock management domain register get/set */
 
 #ifndef __ASSEMBLER__
diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c
index e86f5ca180ea..bd8cb5974726 100644
--- a/arch/arm/mach-omap2/gpmc.c
+++ b/arch/arm/mach-omap2/gpmc.c
@@ -517,7 +517,7 @@ void __init gpmc_init(void)
 		ck = "gpmc_fck";
 		l = OMAP34XX_GPMC_BASE;
 	} else if (cpu_is_omap44xx()) {
-		ck = "gpmc_fck";
+		ck = "gpmc_ck";
 		l = OMAP44XX_GPMC_BASE;
 	}
 
diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c
index 6a4d8e468703..ac9ea6007f27 100644
--- a/arch/arm/mach-omap2/io.c
+++ b/arch/arm/mach-omap2/io.c
@@ -35,7 +35,6 @@
 #include <plat/serial.h>
 #include <plat/vram.h>
 
-#ifndef CONFIG_ARCH_OMAP4	/* FIXME: Remove this once clkdev is ready */
 #include "clock.h"
 
 #include <plat/omap-pm.h>
@@ -44,7 +43,6 @@
 
 #include <plat/clockdomain.h>
 #include "clockdomains.h"
-#endif
 #include <plat/omap_hwmod.h>
 #include "omap_hwmod_2420.h"
 #include "omap_hwmod_2430.h"
@@ -321,8 +319,8 @@ void __init omap2_init_common_hw(struct omap_sdrc_params *sdrc_cs0,
 	omap_pm_if_early_init(mpu_opps, dsp_opps, l3_opps);
 	pwrdm_init(powerdomains_omap);
 	clkdm_init(clockdomains_omap, clkdm_pwrdm_autodeps);
-	omap2_clk_init();
 #endif
+	omap2_clk_init();
 	omap_serial_early_init();
 #ifndef CONFIG_ARCH_OMAP4
 	omap_hwmod_late_init();