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author | Vijay Hiremath <vijay.p.hiremath@intel.com> | 2015-08-03 23:37:54 -0700 |
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committer | chrome-bot <chrome-bot@chromium.org> | 2016-09-23 15:10:08 -0700 |
commit | f9272713da615e51ea14f70872fec46fbd88e938 (patch) | |
tree | 7b12c57a3435a615718c9d3325dfc0671fc297b6 /driver/tcpm/anx74xx.c | |
parent | 806aae81f6bed5ab1a26e860eaa2b5b1349a1444 (diff) | |
download | chrome-ec-f9272713da615e51ea14f70872fec46fbd88e938.tar.gz |
i2c: Add i2ctest console command
Added i2ctest console command to test the reliability of the I2C.
By reading/writing to the known registers this tests provides the
number of successful read and writes.
BUG=chrome-os-partner:57487
TEST=Enabled the i2ctest config on Reef and tested the
i2c read/writes.
BRANCH=none
Change-Id: I9e27ff96f2b85422933bc590d112a083990e2dfb
Signed-off-by: Vijay Hiremath <vijay.p.hiremath@intel.com>
Reviewed-on: https://chromium-review.googlesource.com/290427
Commit-Ready: Vijay P Hiremath <vijay.p.hiremath@intel.com>
Tested-by: Vijay P Hiremath <vijay.p.hiremath@intel.com>
Reviewed-by: Shawn N <shawnn@chromium.org>
Diffstat (limited to 'driver/tcpm/anx74xx.c')
-rw-r--r-- | driver/tcpm/anx74xx.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/driver/tcpm/anx74xx.c b/driver/tcpm/anx74xx.c index 302be88030..689d6d1799 100644 --- a/driver/tcpm/anx74xx.c +++ b/driver/tcpm/anx74xx.c @@ -882,3 +882,15 @@ const struct tcpm_drv anx74xx_tcpm_drv = { .tcpc_discharge_vbus = &anx74xx_tcpc_discharge_vbus, #endif }; + +#ifdef CONFIG_CMD_I2C_STRESS_TEST_TCPC +struct i2c_stress_test_dev anx74xx_i2c_stress_test_dev = { + .reg_info = { + .read_reg = ANX74XX_REG_VENDOR_ID_L, + .read_val = ANX74XX_VENDOR_ID & 0xFF, + .write_reg = ANX74XX_REG_CC_SOFTWARE_CTRL, + }, + .i2c_read = &tcpc_i2c_read, + .i2c_write = &tcpc_i2c_write, +}; +#endif /* CONFIG_CMD_I2C_STRESS_TEST_TCPC */ |