feat(nxp-clk): implement set_rate for oscillators

The set_rate callback will now be applied to FIRC, FXOSC, and SIRC
oscillators. It is a prerequisite for the upcoming commits that will
utilize this capability.

Change-Id: I82d1545c63b3e15497c1c002ff9ec0d7bf990aa0
Signed-off-by: Ciprian Costea <ciprianmarian.costea@nxp.com>
Signed-off-by: Ghennadi Procopciuc <ghennadi.procopciuc@nxp.com>
diff --git a/include/drivers/nxp/clk/s32cc/s32cc-clk-modules.h b/include/drivers/nxp/clk/s32cc/s32cc-clk-modules.h
index 1047bff..9524f72 100644
--- a/include/drivers/nxp/clk/s32cc/s32cc-clk-modules.h
+++ b/include/drivers/nxp/clk/s32cc/s32cc-clk-modules.h
@@ -72,4 +72,20 @@
 #define S32CC_MODULE_CLK(PARENT_MODULE) \
 	S32CC_FREQ_MODULE_CLK(PARENT_MODULE, 0, 0)
 
+static inline struct s32cc_osc *s32cc_obj2osc(const struct s32cc_clk_obj *mod)
+{
+	uintptr_t osc_addr;
+
+	osc_addr = ((uintptr_t)mod) - offsetof(struct s32cc_osc, desc);
+	return (struct s32cc_osc *)osc_addr;
+}
+
+static inline struct s32cc_clk *s32cc_obj2clk(const struct s32cc_clk_obj *mod)
+{
+	uintptr_t clk_addr;
+
+	clk_addr = ((uintptr_t)mod) - offsetof(struct s32cc_clk, desc);
+	return (struct s32cc_clk *)clk_addr;
+}
+
 #endif /* S32CC_CLK_MODULES_H */