*
* @dev: The device which implements the clock signal.
* @rate: The clock rate (in HZ).
+ * @flags: Flags used across common clock structure (e.g. CLK_)
+ * Clock IP blocks specific flags (i.e. mux, div, gate, etc) are defined
+ * in struct's for those devices (e.g. struct clk_mux).
* @id: The clock signal ID within the provider.
* @data: An optional data field for scenarios where a single integer ID is not
* sufficient. If used, it can be populated through an .of_xlate op and
struct clk {
struct udevice *dev;
long long rate; /* in HZ */
+ u32 flags;
/*
* Written by of_xlate. In the future, we might add more fields here.
*/
*/
ulong clk_get_rate(struct clk *clk);
+/**
+ * clk_get_parent() - Get current clock's parent.
+ *
+ * @clk: A clock struct that was previously successfully requested by
+ * clk_request/get_by_*().
+ * @return pointer to parent's struct clk, or error code passed as pointer
+ */
+struct clk *clk_get_parent(struct clk *clk);
+
+/**
+ * clk_get_parent_rate() - Get parent of current clock rate.
+ *
+ * @clk: A clock struct that was previously successfully requested by
+ * clk_request/get_by_*().
+ * @return clock rate in Hz, or -ve error code.
+ */
+long long clk_get_parent_rate(struct clk *clk);
+
/**
* clk_set_rate() - Set current clock rate.
*