1 files changed, 74 insertions, 24 deletions

diff --git a/drivers/clk/ti/interface.c b/drivers/clk/ti/interface.c
index 9c3e8c4aaa40..265d91f071c5 100644
--- a/drivers/clk/ti/interface.c
+++ b/drivers/clk/ti/interface.c
@@ -20,6 +20,7 @@
 #include <linux/of.h>
 #include <linux/of_address.h>
 #include <linux/clk/ti.h>
+#include "clock.h"
 
 #undef pr_fmt
 #define pr_fmt(fmt) "%s: " fmt, __func__
@@ -31,53 +32,102 @@ static const struct clk_ops ti_interface_clk_ops = {
 	.is_enabled	= &omap2_dflt_clk_is_enabled,
 };
 
-static void __init _of_ti_interface_clk_setup(struct device_node *node,
-					      const struct clk_hw_omap_ops *ops)
+static struct clk *_register_interface(struct device *dev, const char *name,
+				       const char *parent_name,
+				       void __iomem *reg, u8 bit_idx,
+				       const struct clk_hw_omap_ops *ops)
 {
-	struct clk *clk;
 	struct clk_init_data init = { NULL };
 	struct clk_hw_omap *clk_hw;
-	const char *parent_name;
-	u32 val;
+	struct clk *clk;
 
 	clk_hw = kzalloc(sizeof(*clk_hw), GFP_KERNEL);
 	if (!clk_hw)
-		return;
+		return ERR_PTR(-ENOMEM);
 
 	clk_hw->hw.init = &init;
 	clk_hw->ops = ops;
 	clk_hw->flags = MEMMAP_ADDRESSING;
+	clk_hw->enable_reg = reg;
+	clk_hw->enable_bit = bit_idx;
 
-	clk_hw->enable_reg = ti_clk_get_reg_addr(node, 0);
-	if (!clk_hw->enable_reg)
-		goto cleanup;
-
-	if (!of_property_read_u32(node, "ti,bit-shift", &val))
-		clk_hw->enable_bit = val;
-
-	init.name = node->name;
+	init.name = name;
 	init.ops = &ti_interface_clk_ops;
 	init.flags = 0;
 
-	parent_name = of_clk_get_parent_name(node, 0);
-	if (!parent_name) {
-		pr_err("%s must have a parent\n", node->name);
-		goto cleanup;
-	}
-
 	init.num_parents = 1;
 	init.parent_names = &parent_name;
 
 	clk = clk_register(NULL, &clk_hw->hw);
 
-	if (!IS_ERR(clk)) {
-		of_clk_add_provider(node, of_clk_src_simple_get, clk);
+	if (IS_ERR(clk))
+		kfree(clk_hw);
+	else
 		omap2_init_clk_hw_omap_clocks(clk);
+
+	return clk;
+}
+
+#if defined(CONFIG_ARCH_OMAP3) && defined(CONFIG_ATAGS)
+struct clk *ti_clk_register_interface(struct ti_clk *setup)
+{
+	const struct clk_hw_omap_ops *ops = &clkhwops_iclk_wait;
+	u32 reg;
+	struct clk_omap_reg *reg_setup;
+	struct ti_clk_gate *gate;
+
+	gate = setup->data;
+	reg_setup = (struct clk_omap_reg *)&reg;
+	reg_setup->index = gate->module;
+	reg_setup->offset = gate->reg;
+
+	if (gate->flags & CLKF_NO_WAIT)
+		ops = &clkhwops_iclk;
+
+	if (gate->flags & CLKF_HSOTGUSB)
+		ops = &clkhwops_omap3430es2_iclk_hsotgusb_wait;
+
+	if (gate->flags & CLKF_DSS)
+		ops = &clkhwops_omap3430es2_iclk_dss_usbhost_wait;
+
+	if (gate->flags & CLKF_SSI)
+		ops = &clkhwops_omap3430es2_iclk_ssi_wait;
+
+	if (gate->flags & CLKF_AM35XX)
+		ops = &clkhwops_am35xx_ipss_wait;
+
+	return _register_interface(NULL, setup->name, gate->parent,
+				   (void __iomem *)reg, gate->bit_shift, ops);
+}
+#endif
+
+static void __init _of_ti_interface_clk_setup(struct device_node *node,
+					      const struct clk_hw_omap_ops *ops)
+{
+	struct clk *clk;
+	const char *parent_name;
+	void __iomem *reg;
+	u8 enable_bit = 0;
+	u32 val;
+
+	reg = ti_clk_get_reg_addr(node, 0);
+	if (!reg)
+		return;
+
+	if (!of_property_read_u32(node, "ti,bit-shift", &val))
+		enable_bit = val;
+
+	parent_name = of_clk_get_parent_name(node, 0);
+	if (!parent_name) {
+		pr_err("%s must have a parent\n", node->name);
 		return;
 	}
 
-cleanup:
-	kfree(clk_hw);
+	clk = _register_interface(NULL, node->name, parent_name, reg,
+				  enable_bit, ops);
+
+	if (!IS_ERR(clk))
+		of_clk_add_provider(node, of_clk_src_simple_get, clk);
 }
 
 static void __init of_ti_interface_clk_setup(struct device_node *node)