misc: s4mu: Support iMX93 with Sentinel MU

Support iMX93 communicate with Sentinel

Signed-off-by: Peng Fan <peng.fan@nxp.com>

arch/arm/include/asm/arch-imx9/imx-regs.h

@@ -19,4 +19,34 @@
 #define WDG4_BASE_ADDR      0x424a0000UL
 #define WDG5_BASE_ADDR      0x424b0000UL
 
+#if !(defined(__KERNEL_STRICT_NAMES) || defined(__ASSEMBLY__))
+#include <asm/types.h>
+#include <stdbool.h>
+
+struct mu_type {
+	u32 ver;
+	u32 par;
+	u32 cr;
+	u32 sr;
+	u32 reserved0[60];
+	u32 fcr;
+	u32 fsr;
+	u32 reserved1[2];
+	u32 gier;
+	u32 gcr;
+	u32 gsr;
+	u32 reserved2;
+	u32 tcr;
+	u32 tsr;
+	u32 rcr;
+	u32 rsr;
+	u32 reserved3[52];
+	u32 tr[16];
+	u32 reserved4[16];
+	u32 rr[16];
+	u32 reserved5[14];
+	u32 mu_attr;
+};
+#endif
+
 #endif

drivers/misc/sentinel/s4mu.c

@@ -219,6 +219,7 @@ static struct misc_ops imx8ulp_mu_ops = {
 
 static const struct udevice_id imx8ulp_mu_ids[] = {
 	{ .compatible = "fsl,imx8ulp-mu" },
+	{ .compatible = "fsl,imx93-mu-s4" },
 	{ }
 };