clk: ti: add composite clock support
This is a multipurpose clock node, which contains support for multiple
sub-clocks. Uses basic composite clock type to implement the actual
functionality, and TI specific gate, mux and divider clocks.
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
diff --git a/include/linux/clk/ti.h b/include/linux/clk/ti.h
index ca38ee3..c8c591d 100644
--- a/include/linux/clk/ti.h
+++ b/include/linux/clk/ti.h
@@ -164,6 +164,14 @@
/* DPLL Type and DCO Selection Flags */
#define DPLL_J_TYPE 0x1
+/* Composite clock component types */
+enum {
+ CLK_COMPONENT_TYPE_GATE = 0,
+ CLK_COMPONENT_TYPE_DIVIDER,
+ CLK_COMPONENT_TYPE_MUX,
+ CLK_COMPONENT_TYPE_MAX,
+};
+
/**
* struct ti_dt_clk - OMAP DT clock alias declarations
* @lk: clock lookup definition
@@ -236,6 +244,9 @@
unsigned long parent_rate);
int omap3_dpll4_set_rate(struct clk_hw *clk, unsigned long rate,
unsigned long parent_rate);
+int omap2_dflt_clk_enable(struct clk_hw *hw);
+void omap2_dflt_clk_disable(struct clk_hw *hw);
+int omap2_dflt_clk_is_enabled(struct clk_hw *hw);
void __iomem *ti_clk_get_reg_addr(struct device_node *node, int index);
void ti_dt_clocks_register(struct ti_dt_clk *oclks);
@@ -243,6 +254,7 @@
int ti_clk_retry_init(struct device_node *node, struct clk_hw *hw,
ti_of_clk_init_cb_t func);
int of_ti_clk_autoidle_setup(struct device_node *node);
+int ti_clk_add_component(struct device_node *node, struct clk_hw *hw, int type);
#ifdef CONFIG_OF
void of_ti_clk_allow_autoidle_all(void);