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| author | Vijay Hiremath <vijay.p.hiremath@intel.com> | 2015-08-03 23:37:54 -0700 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2016-09-23 15:10:08 -0700 |
| commit | f9272713da615e51ea14f70872fec46fbd88e938 (patch) | |
| tree | 7b12c57a3435a615718c9d3325dfc0671fc297b6 /driver/charger/bd9995x.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/charger/bd9995x.c')
| -rw-r--r-- | driver/charger/bd9995x.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/driver/charger/bd9995x.c b/driver/charger/bd9995x.c index cbc8d04132..0dd5da99de 100644 --- a/driver/charger/bd9995x.c +++ b/driver/charger/bd9995x.c @@ -1231,3 +1231,25 @@ DECLARE_CONSOLE_COMMAND(amonbmon, console_command_amon_bmon, "amonbmon [a|b]", "Get charger AMON/BMON voltage diff, current"); #endif /* CONFIG_CMD_CHARGER_ADC_AMON_BMON */ + +#ifdef CONFIG_CMD_I2C_STRESS_TEST_CHARGER +static int bd9995x_i2c_read(const int reg, int *data) +{ + return ch_raw_read16(reg, data, BD9995X_EXTENDED_COMMAND); +} + +static int bd9995x_i2c_write(const int reg, int data) +{ + return ch_raw_write16(reg, data, BD9995X_EXTENDED_COMMAND); +} + +struct i2c_stress_test_dev bd9995x_i2c_stress_test_dev = { + .reg_info = { + .read_reg = BD9995X_CMD_CHIP_ID, + .read_val = BD9995X_CHIP_ID, + .write_reg = BD9995X_CMD_ITRICH_SET, + }, + .i2c_read_dev = &bd9995x_i2c_read, + .i2c_write_dev = &bd9995x_i2c_write, +}; +#endif /* CONFIG_CMD_I2C_STRESS_TEST_CHARGER */ |