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-rw-r--r--test/dm/i2c.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/test/dm/i2c.c b/test/dm/i2c.c
index d74f5f9fbc..74b2097195 100644
--- a/test/dm/i2c.c
+++ b/test/dm/i2c.c
@@ -304,3 +304,32 @@ static int dm_test_i2c_addr_offset(struct unit_test_state *uts)
}
DM_TEST(dm_test_i2c_addr_offset, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
+
+static int dm_test_i2c_reg_clrset(struct unit_test_state *uts)
+{
+ struct udevice *eeprom;
+ struct udevice *dev;
+ u8 buf[5];
+
+ ut_assertok(i2c_get_chip_for_busnum(busnum, chip, 1, &dev));
+
+ /* Do a transfer so we can find the emulator */
+ ut_assertok(dm_i2c_read(dev, 0, buf, 5));
+ ut_assertok(uclass_first_device(UCLASS_I2C_EMUL, &eeprom));
+
+ /* Dummy data for the test */
+ ut_assertok(dm_i2c_write(dev, 0, "\xff\x00\xff\x00\x10", 5));
+
+ /* Do some clrset tests */
+ ut_assertok(dm_i2c_reg_clrset(dev, 0, 0xff, 0x10));
+ ut_assertok(dm_i2c_reg_clrset(dev, 1, 0x00, 0x11));
+ ut_assertok(dm_i2c_reg_clrset(dev, 2, 0xed, 0x00));
+ ut_assertok(dm_i2c_reg_clrset(dev, 3, 0xff, 0x13));
+ ut_assertok(dm_i2c_reg_clrset(dev, 4, 0x00, 0x14));
+
+ ut_assertok(dm_i2c_read(dev, 0, buf, 5));
+ ut_asserteq_mem("\x10\x11\x12\x13\x14", buf, sizeof(buf));
+
+ return 0;
+}
+DM_TEST(dm_test_i2c_reg_clrset, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);