dm: syscon: Provide a generic syscon driver
Provide a trivial syscon driver matching the generic "syscon" compatible
string, allowing for simple system controllers to be used without a
custom driver just as in Linux.
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
diff --git a/drivers/core/syscon-uclass.c b/drivers/core/syscon-uclass.c
index 01bd968..2148469 100644
--- a/drivers/core/syscon-uclass.c
+++ b/drivers/core/syscon-uclass.c
@@ -95,3 +95,14 @@
.per_device_auto_alloc_size = sizeof(struct syscon_uc_info),
.pre_probe = syscon_pre_probe,
};
+
+static const struct udevice_id generic_syscon_ids[] = {
+ { .compatible = "syscon" },
+ { }
+};
+
+U_BOOT_DRIVER(generic_syscon) = {
+ .name = "syscon",
+ .id = UCLASS_SYSCON,
+ .of_match = generic_syscon_ids,
+};