[v6,04/14] test: dm: phy: add a test item for the phy_bulk API

diff --git a/arch/sandbox/dts/test.dts b/arch/sandbox/dts/test.dts
index 6be0a5887c..25e0a5c44e 100644
--- a/arch/sandbox/dts/test.dts
+++ b/arch/sandbox/dts/test.dts
@@ -159,12 +159,23 @@ 
 		broken;
 	};
 
+	phy_provider2: gen_phy at 2 {
+		compatible = "sandbox,phy";
+		#phy-cells = <0>;
+	};
+
 	gen_phy_user: gen_phy_user {
 		compatible = "simple-bus";
 		phys = <&phy_provider0 0>, <&phy_provider0 1>, <&phy_provider1>;
 		phy-names = "phy1", "phy2", "phy3";
 	};
 
+	gen_phy_user1: gen_phy_user1 {
+		compatible = "simple-bus";
+		phys = <&phy_provider0 0>, <&phy_provider2>;
+		phy-names = "phy1", "phy2";
+	};
+
 	some-bus {
 		#address-cells = <1>;
 		#size-cells = <0>;
diff --git a/test/dm/phy.c b/test/dm/phy.c
index 21d92194b9..11d648c72f 100644
--- a/test/dm/phy.c
+++ b/test/dm/phy.c
@@ -110,3 +110,32 @@  static int dm_test_phy_ops(struct unit_test_state *uts)
 	return 0;
 }
 DM_TEST(dm_test_phy_ops, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+static int dm_test_phy_bulk(struct unit_test_state *uts)
+{
+	struct phy_bulk phys;
+	struct udevice *parent;
+
+	/* test normal operations */
+	ut_assertok(uclass_get_device_by_name(UCLASS_SIMPLE_BUS,
+					      "gen_phy_user1", &parent));
+
+	ut_assertok(generic_phy_get_bulk(parent, &phys));
+	ut_asserteq(2, phys.count);
+
+	ut_asserteq(0, generic_phy_enable_bulk(&phys));
+	ut_asserteq(0, generic_phy_disable_bulk(&phys));
+
+	/* has a known problem phy */
+	ut_assertok(uclass_get_device_by_name(UCLASS_SIMPLE_BUS,
+					      "gen_phy_user", &parent));
+
+	ut_assertok(generic_phy_get_bulk(parent, &phys));
+	ut_asserteq(3, phys.count);
+
+	ut_asserteq(-EIO, generic_phy_enable_bulk(&phys));
+	ut_asserteq(-EIO, generic_phy_disable_bulk(&phys));
+
+	return 0;
+}
+DM_TEST(dm_test_phy_bulk, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);