ARM: OMAP2+: board-generic: add support for AM57xx family

AM57xx processor family are variants of DRA7 family of processors and
targetted at industrial and non-automotive applications.
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

Documentation/devicetree/bindings/arm/omap/omap.txt

@@ -85,6 +85,18 @@ SoCs:
 - DRA722
   compatible = "ti,dra722", "ti,dra72", "ti,dra7"
 
+- AM5728
+  compatible = "ti,am5728", "ti,dra742", "ti,dra74", "ti,dra7"
+
+- AM5726
+  compatible = "ti,am5726", "ti,dra742", "ti,dra74", "ti,dra7"
+
+- AM5718
+  compatible = "ti,am5718", "ti,dra722", "ti,dra72", "ti,dra7"
+
+- AM5716
+  compatible = "ti,am5716", "ti,dra722", "ti,dra72", "ti,dra7"
+
 - AM4372
   compatible = "ti,am4372", "ti,am43"
 

arch/arm/mach-omap2/board-generic.c

@@ -241,6 +241,8 @@ MACHINE_END
 
 #ifdef CONFIG_SOC_DRA7XX
 static const char *dra74x_boards_compat[] __initconst = {
+	"ti,am5728",
+	"ti,am5726",
 	"ti,dra742",
 	"ti,dra7",
 	NULL,
@@ -260,6 +262,8 @@ DT_MACHINE_START(DRA74X_DT, "Generic DRA74X (Flattened Device Tree)")
 MACHINE_END
 
 static const char *dra72x_boards_compat[] __initconst = {
+	"ti,am5718",
+	"ti,am5716",
 	"ti,dra722",
 	NULL,
 };