Merge https://gitlab.denx.de/u-boot/custodians/u-boot-clk

include/clk.h

@@ -61,6 +61,7 @@ struct clk {
 	struct udevice *dev;
 	long long rate;	/* in HZ */
 	u32 flags;
+	int enable_count;
 	/*
 	 * Written by of_xlate. In the future, we might add more fields here.
 	 */

include/sandbox-clk.h

@@ -20,6 +20,7 @@ enum {
 	SANDBOX_CLK_USDHC1_SEL,
 	SANDBOX_CLK_USDHC2_SEL,
 	SANDBOX_CLK_I2C,
+	SANDBOX_CLK_I2C_ROOT,
 };
 
 enum sandbox_pllv3_type {
@@ -74,4 +75,6 @@ static inline struct clk *sandbox_clk_mux(const char *name, void __iomem *reg,
 				width, 0);
 }
 
+int sandbox_clk_enable_count(struct clk *clk);
+
 #endif /* __SANDBOX_CLK_H__ */