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-rw-r--r--include/clk.h24
1 files changed, 24 insertions, 0 deletions
diff --git a/include/clk.h b/include/clk.h
index a6ef4e02692..f94135ff778 100644
--- a/include/clk.h
+++ b/include/clk.h
@@ -13,6 +13,15 @@
#include <linux/errno.h>
#include <linux/types.h>
+#ifdef CONFIG_CLK_AUTO_ID
+#define CLK_ID_SZ 24
+#define CLK_ID_MSK GENMASK(23, 0)
+#define CLK_ID(dev, id) (((dev_seq(dev) + 1) << CLK_ID_SZ) | ((id) & CLK_ID_MSK))
+#else
+#define CLK_ID_MSK (~0UL)
+#define CLK_ID(dev, id) id
+#endif
+
/**
* DOC: Overview
*
@@ -570,6 +579,16 @@ int clk_get_by_id(ulong id, struct clk **clkp);
*/
bool clk_dev_binded(struct clk *clk);
+/**
+ * clk_get_id - get clk id
+ *
+ * @clk: A clock struct
+ *
+ * Return: the clock identifier as it is defined by the clock provider in
+ * device tree or in platdata
+ */
+ulong clk_get_id(const struct clk *clk);
+
#else /* CONFIG_IS_ENABLED(CLK) */
static inline int clk_request(struct udevice *dev, struct clk *clk)
@@ -641,6 +660,11 @@ static inline bool clk_dev_binded(struct clk *clk)
{
return false;
}
+
+static inline ulong clk_get_id(const struct clk *clk)
+{
+ return 0;
+}
#endif /* CONFIG_IS_ENABLED(CLK) */
/**