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@@ -91,3 +91,28 @@ static int dm_test_regmap_syscon(struct unit_test_state *uts)
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}
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DM_TEST(dm_test_regmap_syscon, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
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+
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+/* Read/Write/Modify test */
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+static int dm_test_regmap_rw(struct unit_test_state *uts)
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+{
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+ struct udevice *dev;
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+ struct regmap *map;
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+ uint reg;
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+
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+ ut_assertok(uclass_get_device(UCLASS_SYSCON, 0, &dev));
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+ map = syscon_get_regmap(dev);
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+ ut_assertok_ptr(map);
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+
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+ ut_assertok(regmap_write(map, 0, 0xcacafafa));
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+ ut_assertok(regmap_write(map, 3, 0x55aa2211));
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+
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+ ut_assertok(regmap_read(map, 0, ®));
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+ ut_assertok(regmap_read(map, 3, ®));
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+
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+ ut_assertok(regmap_update_bits(map, 0, 0xff00ff00, 0x55aa2211));
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+ ut_assertok(regmap_update_bits(map, 3, 0x00ff00ff, 0xcacafada));
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+
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+ return 0;
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+}
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+
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+DM_TEST(dm_test_regmap_rw, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
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