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-rw-r--r--test/dm/Makefile1
-rw-r--r--test/dm/simple-bus.c33
2 files changed, 34 insertions, 0 deletions
diff --git a/test/dm/Makefile b/test/dm/Makefile
index 5de6fbfb5d5..100e7701d24 100644
--- a/test/dm/Makefile
+++ b/test/dm/Makefile
@@ -90,6 +90,7 @@ obj-$(CONFIG_DM_MDIO) += mdio.o
obj-$(CONFIG_DM_MDIO_MUX) += mdio_mux.o
obj-$(CONFIG_DM_RNG) += rng.o
obj-$(CONFIG_CLK_K210_SET_RATE) += k210_pll.o
+obj-$(CONFIG_SIMPLE_BUS) += simple-bus.o
obj-$(CONFIG_SIMPLE_PM_BUS) += simple-pm-bus.o
obj-$(CONFIG_RESET_SYSCON) += syscon-reset.o
obj-$(CONFIG_SCMI_FIRMWARE) += scmi.o
diff --git a/test/dm/simple-bus.c b/test/dm/simple-bus.c
new file mode 100644
index 00000000000..3530b47fac2
--- /dev/null
+++ b/test/dm/simple-bus.c
@@ -0,0 +1,33 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2021, Bin Meng <[email protected]>
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <dm/test.h>
+#include <dm/simple_bus.h>
+#include <dm/uclass-internal.h>
+#include <test/ut.h>
+
+static int dm_test_simple_bus(struct unit_test_state *uts)
+{
+ struct udevice *dev;
+ struct simple_bus_plat *plat;
+
+ /* locate the dummy device @ translation-test node */
+ ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, &dev));
+ ut_asserteq_str("dev@0,0", dev->name);
+
+ /* locate the parent node which is a simple-bus */
+ ut_assertnonnull(dev = dev_get_parent(dev));
+ ut_asserteq_str("translation-test@8000", dev->name);
+
+ ut_assertnonnull(plat = dev_get_uclass_plat(dev));
+ ut_asserteq(0, plat->base);
+ ut_asserteq(0x8000, plat->target);
+ ut_asserteq(0x1000, plat->size);
+
+ return 0;
+}
+DM_TEST(dm_test_simple_bus, UT_TESTF_SCAN_FDT | UT_TESTF_FLAT_TREE);