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Diffstat (limited to 'drivers/platform/chrome/Kconfig')
| -rw-r--r-- | drivers/platform/chrome/Kconfig | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/drivers/platform/chrome/Kconfig b/drivers/platform/chrome/Kconfig new file mode 100644 index 000000000..16b161595 --- /dev/null +++ b/drivers/platform/chrome/Kconfig @@ -0,0 +1,114 @@ +# +# Platform support for Chrome OS hardware (Chromebooks and Chromeboxes) +# + +menuconfig CHROME_PLATFORMS + bool "Platform support for Chrome hardware" + depends on X86 || ARM || ARM64 || COMPILE_TEST + ---help--- + Say Y here to get to see options for platform support for + various Chromebooks and Chromeboxes. This option alone does + not add any kernel code. + + If you say N, all options in this submenu will be skipped and disabled. + +if CHROME_PLATFORMS + +config CHROMEOS_LAPTOP + tristate "Chrome OS Laptop" + depends on I2C && DMI && X86 + ---help--- + This driver instantiates i2c and smbus devices such as + light sensors and touchpads. + + If you have a supported Chromebook, choose Y or M here. + The module will be called chromeos_laptop. + +config CHROMEOS_PSTORE + tristate "Chrome OS pstore support" + depends on X86 + ---help--- + This module instantiates the persistent storage on x86 ChromeOS + devices. It can be used to store away console logs and crash + information across reboots. + + The range of memory used is 0xf00000-0x1000000, traditionally + the memory used to back VGA controller memory. + + If you have a supported Chromebook, choose Y or M here. + The module will be called chromeos_pstore. + +config CHROMEOS_TBMC + tristate "ChromeOS Tablet Switch Controller" + depends on ACPI + depends on INPUT + help + This option adds a driver for the tablet switch on + select Chrome OS systems. + + To compile this driver as a module, choose M here: the + module will be called 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) + help + If you say Y here, you get support for talking to the ChromeOS EC + over an LPC bus. This uses a simple byte-level protocol with a + checksum. This is used for userspace access only. The kernel + typically has its own communication methods. + + To compile this driver as a module, choose M here: the + module will be called cros_ec_lpc. + +config CROS_EC_LPC_MEC + bool "ChromeOS Embedded Controller LPC Microchip EC (MEC) variant" + depends on CROS_EC_LPC + default n + help + If you say Y here, a variant LPC protocol for the Microchip EC + will be used. Note that this variant is not backward compatible + with non-Microchip ECs. + + If you have a ChromeOS Embedded Controller Microchip EC variant + choose Y here. + +config CROS_EC_PROTO + bool + help + ChromeOS EC communication protocol helpers. + +config CROS_KBD_LED_BACKLIGHT + tristate "Backlight LED support for Chrome OS keyboards" + depends on LEDS_CLASS && ACPI + help + This option enables support for the keyboard backlight LEDs on + select Chrome OS systems. + + To compile this driver as a module, choose M here: the + module will be called cros_kbd_led_backlight. + +endif # CHROMEOS_PLATFORMS |