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Diffstat (limited to 'drivers/platform/chrome/Kconfig')
| -rw-r--r-- | drivers/platform/chrome/Kconfig | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/platform/chrome/Kconfig b/drivers/platform/chrome/Kconfig index cb0df9eb3e0f..16b1615958aa 100644 --- a/drivers/platform/chrome/Kconfig +++ b/drivers/platform/chrome/Kconfig @@ -52,6 +52,26 @@ config CHROMEOS_TBMC config CROS_EC_CTL tristate +config CROS_EC_I2C + tristate "ChromeOS Embedded Controller (I2C)" + depends on MFD_CROS_EC && I2C + + help + If you say Y here, you get support for talking to the ChromeOS + EC through an I2C bus. This uses a simple byte-level protocol with + a checksum. Failing accesses will be retried three times to + improve reliability. + +config CROS_EC_SPI + tristate "ChromeOS Embedded Controller (SPI)" + depends on MFD_CROS_EC && SPI + + ---help--- + If you say Y here, you get support for talking to the ChromeOS EC + through a SPI bus, using a byte-level protocol. Since the EC's + response time cannot be guaranteed, we support ignoring + 'pre-amble' bytes before the response actually starts. + config CROS_EC_LPC tristate "ChromeOS Embedded Controller (LPC)" depends on MFD_CROS_EC && ACPI && (X86 || COMPILE_TEST) |