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| author | Aaron Massey <aaronmassey@google.com> | 2021-12-09 10:09:38 -0700 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2021-12-16 00:13:55 +0000 |
| commit | d70f555bb2b9cbd131468ecf941913897d6500b4 (patch) | |
| tree | d0a26ffa5b7bf110183872b52b716940e4d4b02a /zephyr | |
| parent | a31cadf77e57cf9a7a6d6bddb50109582cfb9f27 (diff) | |
| download | chrome-ec-d70f555bb2b9cbd131468ecf941913897d6500b4.tar.gz | |
zephyr: test: sn5s330 disables low vbusV interrupt
Verify sn5s330 driver disables chip interrupts from low vbus voltage.
BRANCH=none
BUG=b:203364783
TEST=zmake configure --test test-drivers
Signed-off-by: Aaron Massey <aaronmassey@google.com>
Change-Id: Idcff313d2b3bfc1a464a0b01319257d2c37b88d3
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3328086
Reviewed-by: Yuval Peress <peress@google.com>
Diffstat (limited to 'zephyr')
| -rw-r--r-- | zephyr/emul/emul_sn5s330.c | 14 | ||||
| -rw-r--r-- | zephyr/include/emul/emul_sn5s330.h | 7 | ||||
| -rw-r--r-- | zephyr/test/drivers/src/ppc_sn5s330.c | 14 |
3 files changed, 35 insertions, 0 deletions
diff --git a/zephyr/emul/emul_sn5s330.c b/zephyr/emul/emul_sn5s330.c index 496099b50d..238815b11c 100644 --- a/zephyr/emul/emul_sn5s330.c +++ b/zephyr/emul/emul_sn5s330.c @@ -290,6 +290,20 @@ void sn5s330_emul_make_vbus_overcurrent(const struct emul *emul) sn5s330_emul_assert_interrupt(i2c_emul); } +void sn5s330_emul_lower_vbus_below_minv(const struct emul *emul) +{ + struct sn5s330_emul_data *data = emul->data; + struct i2c_emul *i2c_emul = &data->common.emul; + + data->int_status_reg4 |= SN5S330_VSAFE0V_STAT; + + /* driver disabled this interrupt trigger */ + if (data->int_status_reg4 & SN5S330_VSAFE0V_MASK) + return; + + sn5s330_emul_assert_interrupt(i2c_emul); +} + void sn5s330_emul_reset(const struct emul *emul) { struct sn5s330_emul_data *data = emul->data; diff --git a/zephyr/include/emul/emul_sn5s330.h b/zephyr/include/emul/emul_sn5s330.h index efbfea7b2b..c6ea31b6d6 100644 --- a/zephyr/include/emul/emul_sn5s330.h +++ b/zephyr/include/emul/emul_sn5s330.h @@ -40,4 +40,11 @@ void sn5s330_emul_reset(const struct emul *emul); */ void sn5s330_emul_make_vbus_overcurrent(const struct emul *emul); +/** + * @brief Emulate vbus voltage is below min 0.6V. + * + * @param emul The sn5s330 chip emulator. + */ +void sn5s330_emul_lower_vbus_below_minv(const struct emul *emul); + #endif /* ZEPHYR_INCLUDE_EMUL_EMUL_SN5S330_H_ */ diff --git a/zephyr/test/drivers/src/ppc_sn5s330.c b/zephyr/test/drivers/src/ppc_sn5s330.c index c3dbd0cc47..af551f7189 100644 --- a/zephyr/test/drivers/src/ppc_sn5s330.c +++ b/zephyr/test/drivers/src/ppc_sn5s330.c @@ -298,6 +298,17 @@ static void test_sn5s330_vbus_overcurrent(void) zassert_equal(int_trip_rise_reg1 & SN5S330_ILIM_PP1_MASK, 0, NULL); } +static void test_sn5s330_disable_vbus_low_interrupt(void) +{ + const struct emul *emul = EMUL; + + /* Interrupt disabled here */ + zassert_ok(sn5s330_drv.init(SN5S330_PORT), NULL); + /* Would normally cause a vbus low interrupt */ + sn5s330_emul_lower_vbus_below_minv(emul); + zassert_equal(sn5s330_emul_interrupt_set_stub_fake.call_count, 0, NULL); +} + static void reset_sn5s330_state(void) { struct i2c_emul *i2c_emul = sn5s330_emul_to_i2c_emul(EMUL); @@ -312,6 +323,9 @@ void test_suite_ppc_sn5s330(void) { ztest_test_suite( ppc_sn5s330, + ztest_unit_test_setup_teardown( + test_sn5s330_disable_vbus_low_interrupt, + reset_sn5s330_state, reset_sn5s330_state), ztest_unit_test_setup_teardown(test_sn5s330_vbus_overcurrent, reset_sn5s330_state, reset_sn5s330_state), |