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| author | Wolfram Sang <wsa+renesas@sang-engineering.com> | 2017-11-28 16:53:32 +0100 |
|---|---|---|
| committer | Wolfram Sang <wsa@the-dreams.de> | 2017-12-03 20:33:29 +0100 |
| commit | 14911c6f48ec9571343ac36ae02f2db68bf9e7f9 (patch) | |
| tree | 9791a0070072a85973191056652b315471db1774 /drivers/i2c/busses/Kconfig | |
| parent | i2c: designware: fix building driver as module (diff) | |
| download | linux-14911c6f48ec9571343ac36ae02f2db68bf9e7f9.tar.xz linux-14911c6f48ec9571343ac36ae02f2db68bf9e7f9.zip | |
i2c: gpio: add fault injector
Add fault injection capabilities to the i2c-gpio driver. When connected
to another I2C bus, it can create unusual states which the other I2C bus
master driver needs to handle. Only for debugging!
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Diffstat (limited to 'drivers/i2c/busses/Kconfig')
| -rw-r--r-- | drivers/i2c/busses/Kconfig | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig index 009345d8f49d..a9805c7cb305 100644 --- a/drivers/i2c/busses/Kconfig +++ b/drivers/i2c/busses/Kconfig @@ -603,6 +603,14 @@ config I2C_GPIO This is a very simple bitbanging I2C driver utilizing the arch-neutral GPIO API to control the SCL and SDA lines. +config I2C_GPIO_FAULT_INJECTOR + bool "GPIO-based fault injector" + depends on I2C_GPIO + help + This adds some functionality to the i2c-gpio driver which can inject + faults to an I2C bus, so another bus master can be stress-tested. + This is for debugging. If unsure, say 'no'. + config I2C_HIGHLANDER tristate "Highlander FPGA SMBus interface" depends on SH_HIGHLANDER |