dm: core: support reading a single indexed u32 value

[oweals/u-boot.git] / test / dm / test-fdt.c

diff --git a/test/dm/test-fdt.c b/test/dm/test-fdt.c
index b39777f082c224bfb8a30b0aabc8057f066c030c..7c9472a3588c903d39929ab33fbe676bc8068f6e 100644 (file)
--- a/test/dm/test-fdt.c
+++ b/test/dm/test-fdt.c
@@ -905,6 +905,35 @@ static int dm_test_read_int(struct unit_test_state *uts)
 }
 DM_TEST(dm_test_read_int, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
 
+static int dm_test_read_int_index(struct unit_test_state *uts)
+{
+       struct udevice *dev;
+       u32 val32;
+
+       ut_assertok(uclass_first_device_err(UCLASS_TEST_FDT, &dev));
+       ut_asserteq_str("a-test", dev->name);
+
+       ut_asserteq(-EINVAL, dev_read_u32_index(dev, "missing", 0, &val32));
+       ut_asserteq(19, dev_read_u32_index_default(dev, "missing", 0, 19));
+
+       ut_assertok(dev_read_u32_index(dev, "int-array", 0, &val32));
+       ut_asserteq(5678, val32);
+       ut_assertok(dev_read_u32_index(dev, "int-array", 1, &val32));
+       ut_asserteq(9123, val32);
+       ut_assertok(dev_read_u32_index(dev, "int-array", 2, &val32));
+       ut_asserteq(4567, val32);
+       ut_asserteq(-EOVERFLOW, dev_read_u32_index(dev, "int-array", 3,
+                                                  &val32));
+
+       ut_asserteq(5678, dev_read_u32_index_default(dev, "int-array", 0, 2));
+       ut_asserteq(9123, dev_read_u32_index_default(dev, "int-array", 1, 2));
+       ut_asserteq(4567, dev_read_u32_index_default(dev, "int-array", 2, 2));
+       ut_asserteq(2, dev_read_u32_index_default(dev, "int-array", 3, 2));
+
+       return 0;
+}
+DM_TEST(dm_test_read_int_index, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
 /* Test iteration through devices by drvdata */
 static int dm_test_uclass_drvdata(struct unit_test_state *uts)
 {