Index: src/sys/arch/sparc64/sparc64/ofw_patch.c
===================================================================
RCS file: /cvsroot/src/sys/arch/sparc64/sparc64/ofw_patch.c,v
retrieving revision 1.13
diff -u -r1.13 ofw_patch.c
--- src/sys/arch/sparc64/sparc64/ofw_patch.c	13 Jun 2026 17:17:39 -0000	1.13
+++ src/sys/arch/sparc64/sparc64/ofw_patch.c	25 Jun 2026 19:14:09 -0000
@@ -326,6 +326,24 @@
 	add_i2c_device(cfg, "temperature-sensor", "i2c-lm75a", 0x4f, 0);
 }
 
+/*
+ * Add V245 environmental sensors that are not in the OFW tree.
+ */
+static void
+add_env_sensors_v245(device_t busdev)
+{
+	prop_array_t cfg;
+
+	DPRINTF(ACDB_PROBE, ("\nAdding sensors for %s ", machine_model));
+	cfg = create_i2c_dict(busdev);
+
+	/* LM95221 at 0x2b */
+	add_i2c_device(cfg, "temperature-sensor", "i2c-lm95221", 0x2b, 0);
+
+	/* ADT7475 at 0x2e */
+	add_i2c_device(cfg, "hardware-monitor", "i2c-adt7475", 0x2e, 0);
+}
+
 /* Sensors and GPIO's for E450 and E250 */
 static void
 add_i2c_props_e450(device_t busdev, uint64_t node)
@@ -480,6 +498,7 @@
 	if (device_is_a(busdev, "firei2c")) {
 		if (!strcmp(machine_model, "SUNW,Sun-Fire-V245") ||
 		    !strcmp(machine_model, "SUNW,Sun-Fire-V215")) {
+			add_env_sensors_v245(busdev);
 			fix_properties_v245(busdev);
 		}
 	}
Index: src/sys/dev/i2c/dbcool.c
===================================================================
RCS file: /cvsroot/src/sys/dev/i2c/dbcool.c,v
retrieving revision 1.68
diff -u -r1.68 dbcool.c
--- src/sys/dev/i2c/dbcool.c	5 Oct 2025 04:26:08 -0000	1.68
+++ src/sys/dev/i2c/dbcool.c	25 Jun 2026 19:14:09 -0000
@@ -732,6 +732,7 @@
 
 static const struct device_compatible_entry compat_data[] = {
 	{ .compat = "i2c-adm1031" },
+	{ .compat = "i2c-adt7475" },
 	{ .compat = "adt7467" },
 	{ .compat = "adt7460" },
 	{ .compat = "adm1030" },