[nrf fromtree] drivers: kinetis-pinctrl: Account for SCG K4

Add support for SCG K4 clock control in kinetis pinctrl.

Signed-off-by: Declan Snyder <[email protected]>
(cherry picked from commit 2db9ea9)

Author: decsny

drivers/pinctrl/pinctrl_kinetis.c

@@ -76,9 +76,13 @@ static int pinctrl_mcux_init(const struct device *dev)
 }
 
 #if DT_NODE_HAS_STATUS(DT_INST(0, nxp_kinetis_sim), okay)
-#define PINCTRL_MCUX_DT_INST_CLOCK_SUBSYS(n) \
-	CLK_GATE_DEFINE(DT_INST_CLOCKS_CELL(n, offset), \
-			DT_INST_CLOCKS_CELL(n, bits))
+#define PINCTRL_MCUX_DT_INST_CLOCK_SUBSYS(n)                                                       \
+	CLK_GATE_DEFINE(DT_INST_CLOCKS_CELL(n, offset), DT_INST_CLOCKS_CELL(n, bits))
+#elif DT_HAS_COMPAT_STATUS_OKAY(nxp_scg_k4)
+#define PINCTRL_MCUX_DT_INST_CLOCK_SUBSYS(n)                                                       \
+	(DT_INST_CLOCKS_CELL(n, mrcc_offset) == 0                                                  \
+		 ? 0                                                                               \
+		 : MAKE_MRCC_REGADDR(MRCC_BASE, DT_INST_CLOCKS_CELL(n, mrcc_offset)))
 #else
 #define PINCTRL_MCUX_DT_INST_CLOCK_SUBSYS(n) \
 	DT_INST_CLOCKS_CELL(n, name)