1ab043105SOlof Johansson# 2ab043105SOlof Johansson# Platform support for Chrome OS hardware (Chromebooks and Chromeboxes) 3ab043105SOlof Johansson# 4ab043105SOlof Johansson 5ab043105SOlof Johanssonmenuconfig CHROME_PLATFORMS 6ab043105SOlof Johansson bool "Platform support for Chrome hardware" 723ecee32SThierry Reding depends on X86 || ARM || ARM64 || COMPILE_TEST 8ab043105SOlof Johansson ---help--- 9ab043105SOlof Johansson Say Y here to get to see options for platform support for 10ab043105SOlof Johansson various Chromebooks and Chromeboxes. This option alone does 11ab043105SOlof Johansson not add any kernel code. 12ab043105SOlof Johansson 13ab043105SOlof Johansson If you say N, all options in this submenu will be skipped and disabled. 14ab043105SOlof Johansson 15ab043105SOlof Johanssonif CHROME_PLATFORMS 16ab043105SOlof Johansson 17ab043105SOlof Johanssonconfig CHROMEOS_LAPTOP 18ab043105SOlof Johansson tristate "Chrome OS Laptop" 19e7c256fbSBill Richardson depends on I2C && DMI && X86 20ab043105SOlof Johansson ---help--- 21ab043105SOlof Johansson This driver instantiates i2c and smbus devices such as 22ab043105SOlof Johansson light sensors and touchpads. 23ab043105SOlof Johansson 24ab043105SOlof Johansson If you have a supported Chromebook, choose Y or M here. 25ab043105SOlof Johansson The module will be called chromeos_laptop. 26ab043105SOlof Johansson 279742e127SOlof Johanssonconfig CHROMEOS_PSTORE 289742e127SOlof Johansson tristate "Chrome OS pstore support" 29e7c256fbSBill Richardson depends on X86 309742e127SOlof Johansson ---help--- 319742e127SOlof Johansson This module instantiates the persistent storage on x86 ChromeOS 329742e127SOlof Johansson devices. It can be used to store away console logs and crash 339742e127SOlof Johansson information across reboots. 349742e127SOlof Johansson 359742e127SOlof Johansson The range of memory used is 0xf00000-0x1000000, traditionally 369742e127SOlof Johansson the memory used to back VGA controller memory. 379742e127SOlof Johansson 389742e127SOlof Johansson If you have a supported Chromebook, choose Y or M here. 399742e127SOlof Johansson The module will be called chromeos_pstore. 409742e127SOlof Johansson 41b418f741SGwendal Grignouconfig CHROMEOS_TBMC 42b418f741SGwendal Grignou tristate "ChromeOS Tablet Switch Controller" 43b418f741SGwendal Grignou depends on ACPI 44*485aa74aSArnd Bergmann depends on INPUT 45b418f741SGwendal Grignou help 46b418f741SGwendal Grignou This option adds a driver for the tablet switch on 47b418f741SGwendal Grignou select Chrome OS systems. 48b418f741SGwendal Grignou 49b418f741SGwendal Grignou To compile this driver as a module, choose M here: the 50b418f741SGwendal Grignou module will be called chromeos_tbmc. 51b418f741SGwendal Grignou 52ea01a31bSThierry Escandeconfig CROS_EC_CTL 53ea01a31bSThierry Escande tristate 54ea01a31bSThierry Escande 55ec2f33abSBill Richardsonconfig CROS_EC_LPC 56ec2f33abSBill Richardson tristate "ChromeOS Embedded Controller (LPC)" 5712278dc7SGwendal Grignou depends on MFD_CROS_EC && ACPI && (X86 || COMPILE_TEST) 58ec2f33abSBill Richardson help 59ec2f33abSBill Richardson If you say Y here, you get support for talking to the ChromeOS EC 60ec2f33abSBill Richardson over an LPC bus. This uses a simple byte-level protocol with a 61ec2f33abSBill Richardson checksum. This is used for userspace access only. The kernel 62ec2f33abSBill Richardson typically has its own communication methods. 63ec2f33abSBill Richardson 64ec2f33abSBill Richardson To compile this driver as a module, choose M here: the 65ec2f33abSBill Richardson module will be called cros_ec_lpc. 66ec2f33abSBill Richardson 678d4a3dc4SShawn Nematbakhshconfig CROS_EC_LPC_MEC 688d4a3dc4SShawn Nematbakhsh bool "ChromeOS Embedded Controller LPC Microchip EC (MEC) variant" 698d4a3dc4SShawn Nematbakhsh depends on CROS_EC_LPC 708d4a3dc4SShawn Nematbakhsh default n 718d4a3dc4SShawn Nematbakhsh help 728d4a3dc4SShawn Nematbakhsh If you say Y here, a variant LPC protocol for the Microchip EC 738d4a3dc4SShawn Nematbakhsh will be used. Note that this variant is not backward compatible 748d4a3dc4SShawn Nematbakhsh with non-Microchip ECs. 758d4a3dc4SShawn Nematbakhsh 768d4a3dc4SShawn Nematbakhsh If you have a ChromeOS Embedded Controller Microchip EC variant 778d4a3dc4SShawn Nematbakhsh choose Y here. 788d4a3dc4SShawn Nematbakhsh 79062476f2SJavier Martinez Canillasconfig CROS_EC_PROTO 80062476f2SJavier Martinez Canillas bool 81062476f2SJavier Martinez Canillas help 82062476f2SJavier Martinez Canillas ChromeOS EC communication protocol helpers. 83062476f2SJavier Martinez Canillas 84492ef782SSimon Queconfig CROS_KBD_LED_BACKLIGHT 85492ef782SSimon Que tristate "Backlight LED support for Chrome OS keyboards" 86492ef782SSimon Que depends on LEDS_CLASS && ACPI 87492ef782SSimon Que help 88492ef782SSimon Que This option enables support for the keyboard backlight LEDs on 89492ef782SSimon Que select Chrome OS systems. 90492ef782SSimon Que 91492ef782SSimon Que To compile this driver as a module, choose M here: the 92492ef782SSimon Que module will be called cros_kbd_led_backlight. 93492ef782SSimon Que 94ab043105SOlof Johanssonendif # CHROMEOS_PLATFORMS 95