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phy: test: Implement sandbox PHY .set_mode and DM test

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Implement trivial extension to the sandbox PHY, which makes it pretend
to support selecting USB Host mode and nothing else. Any other mode is
rejected with -EINVAL. Any submode except for default submode 0 is
rejected with -EOPNOTSUPP . The implementation behaves in this trivial
way to permit easy unit testing using test which is also added in this
commit.

To run the test, use e.g. sandbox64_defconfig and run U-Boot as follows:
$ ./u-boot -Tc 'ut dm phy_setup'

Reviewed-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
This commit is contained in:
Marek Vasut
2024-09-08 23:09:05 +02:00
committed by Marek Vasut
parent a1f841a33c
commit e72e683e36
2 changed files with 20 additions and 0 deletions
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7
test/dm/phy.c
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@@ -246,6 +246,13 @@ static int dm_test_phy_setup(struct unit_test_state *uts)
ut_assertok(generic_setup_phy(parent, &phy, 0, PHY_MODE_USB_HOST, 0));
ut_assertok(generic_shutdown_phy(&phy));
/* set_mode as USB Host passes, anything else is not supported */
ut_assertok(generic_setup_phy(parent, &phy, 0, PHY_MODE_USB_HOST, 0));
ut_assertok(generic_phy_set_mode(&phy, PHY_MODE_USB_HOST, 0));
ut_asserteq(-EOPNOTSUPP, generic_phy_set_mode(&phy, PHY_MODE_USB_HOST, 1));
ut_asserteq(-EINVAL, generic_phy_set_mode(&phy, PHY_MODE_USB_DEVICE, 0));
ut_assertok(generic_shutdown_phy(&phy));
/* power_off fail with -EIO */
ut_assertok(generic_setup_phy(parent, &phy, 1, PHY_MODE_USB_HOST, 0));
ut_asserteq(-EIO, generic_shutdown_phy(&phy));