2 files changed, 62 insertions, 37 deletions

diff --git a/arch/arm/plat-omap/include/plat/omap_hwmod.h b/arch/arm/plat-omap/include/plat/omap_hwmod.h
index fafdfe3c8d4e..0e329ca88a70 100644
--- a/arch/arm/plat-omap/include/plat/omap_hwmod.h
+++ b/arch/arm/plat-omap/include/plat/omap_hwmod.h
@@ -2,6 +2,7 @@
  * omap_hwmod macros, structures
  *
  * Copyright (C) 2009-2011 Nokia Corporation
+ * Copyright (C) 2011 Texas Instruments, Inc.
  * Paul Walmsley
  *
  * Created in collaboration with (alphabetical order): Benoît Cousson,
@@ -79,6 +80,11 @@ extern struct omap_hwmod_sysc_fields omap_hwmod_sysc_type2;
 #define HWMOD_IDLEMODE_SMART		(1 << 2)
 #define HWMOD_IDLEMODE_SMART_WKUP	(1 << 3)
 
+/* modulemode control type (SW or HW) */
+#define MODULEMODE_HWCTRL		1
+#define MODULEMODE_SWCTRL		2
+
+
 /**
  * struct omap_hwmod_mux_info - hwmod specific mux configuration
  * @pads:              array of omap_device_pad entries
@@ -360,9 +366,11 @@ struct omap_hwmod_omap2_prcm {
  * @submodule_wkdep_bit: bit shift of the WKDEP range
  */
 struct omap_hwmod_omap4_prcm {
-	void __iomem	*clkctrl_reg;
-	void __iomem	*rstctrl_reg;
+	u16		clkctrl_offs;
+	u16		rstctrl_offs;
+	u16		context_offs;
 	u8		submodule_wkdep_bit;
+	u8		modulemode;
 };
 
 
@@ -515,6 +523,8 @@ struct omap_hwmod {
 	const char			*main_clk;
 	struct clk			*_clk;
 	struct omap_hwmod_opt_clk	*opt_clks;
+	char				*clkdm_name;
+	struct clockdomain		*clkdm;
 	char				*vdd_name;
 	struct voltagedomain		*voltdm;
 	struct omap_hwmod_ocp_if	**masters; /* connect to *_IA */
diff --git a/arch/arm/plat-omap/omap_device.c b/arch/arm/plat-omap/omap_device.c
index c8b9cd1716ba..be45147651cb 100644
--- a/arch/arm/plat-omap/omap_device.c
+++ b/arch/arm/plat-omap/omap_device.c
@@ -236,56 +236,71 @@ static int _omap_device_deactivate(struct omap_device *od, u8 ignore_lat)
 	return 0;
 }
 
+static void _add_clkdev(struct omap_device *od, const char *clk_alias,
+		       const char *clk_name)
+{
+	struct clk *r;
+	struct clk_lookup *l;
+
+	if (!clk_alias || !clk_name)
+		return;
+
+	pr_debug("omap_device: %s: Creating %s -> %s\n",
+		 dev_name(&od->pdev.dev), clk_alias, clk_name);
+
+	r = clk_get_sys(dev_name(&od->pdev.dev), clk_alias);
+	if (!IS_ERR(r)) {
+		pr_warning("omap_device: %s: alias %s already exists\n",
+			   dev_name(&od->pdev.dev), clk_alias);
+		clk_put(r);
+		return;
+	}
+
+	r = omap_clk_get_by_name(clk_name);
+	if (IS_ERR(r)) {
+		pr_err("omap_device: %s: omap_clk_get_by_name for %s failed\n",
+		       dev_name(&od->pdev.dev), clk_name);
+		return;
+	}
+
+	l = clkdev_alloc(r, clk_alias, dev_name(&od->pdev.dev));
+	if (!l) {
+		pr_err("omap_device: %s: clkdev_alloc for %s failed\n",
+		       dev_name(&od->pdev.dev), clk_alias);
+		return;
+	}
+
+	clkdev_add(l);
+}
+
 /**
- * _add_optional_clock_clkdev - Add clkdev entry for hwmod optional clocks
+ * _add_hwmod_clocks_clkdev - Add clkdev entry for hwmod optional clocks
+ * and main clock
  * @od: struct omap_device *od
+ * @oh: struct omap_hwmod *oh
  *
- * For every optional clock present per hwmod per omap_device, this function
- * adds an entry in the clkdev table of the form <dev-id=dev_name, con-id=role>
- * if it does not exist already.
+ * For the main clock and every optional clock present per hwmod per
+ * omap_device, this function adds an entry in the clkdev table of the
+ * form <dev-id=dev_name, con-id=role> if it does not exist already.
  *
  * The function is called from inside omap_device_build_ss(), after
  * omap_device_register.
  *
  * This allows drivers to get a pointer to its optional clocks based on its role
  * by calling clk_get(<dev*>, <role>).
+ * In the case of the main clock, a "fck" alias is used.
  *
  * No return value.
  */
-static void _add_optional_clock_clkdev(struct omap_device *od,
-				      struct omap_hwmod *oh)
+static void _add_hwmod_clocks_clkdev(struct omap_device *od,
+				     struct omap_hwmod *oh)
 {
 	int i;
 
-	for (i = 0; i < oh->opt_clks_cnt; i++) {
-		struct omap_hwmod_opt_clk *oc;
-		struct clk *r;
-		struct clk_lookup *l;
-
-		oc = &oh->opt_clks[i];
-
-		if (!oc->_clk)
-			continue;
-
-		r = clk_get_sys(dev_name(&od->pdev.dev), oc->role);
-		if (!IS_ERR(r))
-			continue; /* clkdev entry exists */
+	_add_clkdev(od, "fck", oh->main_clk);
 
-		r = omap_clk_get_by_name((char *)oc->clk);
-		if (IS_ERR(r)) {
-			pr_err("omap_device: %s: omap_clk_get_by_name for %s failed\n",
-			       dev_name(&od->pdev.dev), oc->clk);
-			continue;
-		}
-
-		l = clkdev_alloc(r, oc->role, dev_name(&od->pdev.dev));
-		if (!l) {
-			pr_err("omap_device: %s: clkdev_alloc for %s failed\n",
-			       dev_name(&od->pdev.dev), oc->role);
-			return;
-		}
-		clkdev_add(l);
-	}
+	for (i = 0; i < oh->opt_clks_cnt; i++)
+		_add_clkdev(od, oh->opt_clks[i].role, oh->opt_clks[i].clk);
 }
 
 
@@ -492,7 +507,7 @@ struct omap_device *omap_device_build_ss(const char *pdev_name, int pdev_id,
 
 	for (i = 0; i < oh_cnt; i++) {
 		hwmods[i]->od = od;
-		_add_optional_clock_clkdev(od, hwmods[i]);
+		_add_hwmod_clocks_clkdev(od, hwmods[i]);
 	}
 
 	if (ret)