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authorVijay Hiremath <vijay.p.hiremath@intel.com>2015-08-03 23:37:54 -0700
committerchrome-bot <chrome-bot@chromium.org>2016-09-23 15:10:08 -0700
commitf9272713da615e51ea14f70872fec46fbd88e938 (patch)
tree7b12c57a3435a615718c9d3325dfc0671fc297b6 /driver/tcpm/anx74xx.c
parent806aae81f6bed5ab1a26e860eaa2b5b1349a1444 (diff)
downloadchrome-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.c12
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 */