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## SPDX-License-Identifier: GPL-2.0-only
config EC_GOOGLE_CHROMEEC
bool
select EC_SUPPORTS_DPTF_TEVT
help
Google's Chrome EC
if EC_GOOGLE_CHROMEEC
config EC_GOOGLE_CHROMEEC_ACPI_MEMMAP
depends on EC_GOOGLE_CHROMEEC_LPC
def_bool n
help
When defined, ACPI accesses EC memmap data on ports 66h/62h. When
not defined, the memmap data is instead accessed on 900h-9ffh via
the LPC bus.
config EC_GOOGLE_CHROMEEC_ACPI_USB_PORT_POWER
def_bool n
help
Expose methods for enabling and disabling port power on individual USB
ports through the EC.
config EC_GOOGLE_CHROMEEC_BOARDID
def_bool n
help
Provides common routine for reading boardid from Chrome EC.
config EC_GOOGLE_CHROMEEC_I2C
bool
default n
help
Google's Chrome EC via I2C bus.
config EC_GOOGLE_CHROMEEC_I2C_BUS
depends on EC_GOOGLE_CHROMEEC_I2C
hex "I2C bus for Google's Chrome EC"
config EC_GOOGLE_CHROMEEC_I2C_CHIP
depends on EC_GOOGLE_CHROMEEC_I2C
hex
default 0x1e
config EC_GOOGLE_CHROMEEC_I2C_PROTO3
depends on EC_GOOGLE_CHROMEEC_I2C
bool
default n
help
Use only proto3 for i2c EC communication.
config EC_GOOGLE_CHROMEEC_ESPI
depends on ARCH_X86 # Needs Plug-and-play.
def_bool n
select EC_GOOGLE_CHROMEEC_LPC
help
Google Chrome EC via eSPI bus.
The EC communication code is the same between eSPI and LPC, so
this option simply enables the LPC EC code. The eSPI device
still needs to correctly configure the bus transactions.
config EC_GOOGLE_CHROMEEC_LPC
depends on ARCH_X86 # Needs Plug-and-play.
def_bool n
help
Google Chrome EC via LPC bus.
config EC_GOOGLE_CHROMEEC_MEC
depends on EC_GOOGLE_CHROMEEC_LPC
def_bool n
select EC_GOOGLE_COMMON_MEC
help
Microchip EC variant for LPC register access.
config EC_GOOGLE_CHROMEEC_PD
def_bool n
help
Indicates that Google's Chrome USB PD chip is present.
config EC_GOOGLE_CHROMEEC_SPI
def_bool n
help
Google's Chrome EC via SPI bus.
config EC_GOOGLE_CHROMEEC_SPI_BUS
depends on EC_GOOGLE_CHROMEEC_SPI
hex
config EC_GOOGLE_CHROMEEC_SPI_WAKEUP_DELAY_US
depends on EC_GOOGLE_CHROMEEC_SPI
int
default 0
help
Force delay after asserting /CS to allow EC to wakeup.
config EC_GOOGLE_CHROMEEC_SPI_CHIP
depends on EC_GOOGLE_CHROMEEC_SPI
hex
default 0x0
config EC_GOOGLE_CHROMEEC_SKUID
def_bool n
help
Provides common routine for reporting the skuid to ChromeOS.
config EC_GOOGLE_CHROMEEC_RTC
bool "Enable ChromeOS EC RTC"
help
Enable support for the real-time clock on the ChromeOS EC. This
uses the EC_CMD_RTC_GET_VALUE command to read the current time.
config EC_GOOGLE_CHROMEEC_FIRMWARE_EXTERNAL
bool "Include an external EC firmware binary"
help
Include a precompiled EC firmware binary in the image.
config EC_GOOGLE_CHROMEEC_FIRMWARE_FILE
string "Chrome EC firmware path and filename"
depends on EC_GOOGLE_CHROMEEC_FIRMWARE_EXTERNAL
help
The path and filename of the EC firmware file to use.
config EC_GOOGLE_CHROMEEC_PD_FIRMWARE_EXTERNAL
bool "Include an external PD firmware binary"
depends on EC_GOOGLE_CHROMEEC_PD
help
Include a precompiled PD firmware binary in the image.
config EC_GOOGLE_CHROMEEC_PD_FIRMWARE_FILE
string "Chrome EC firmware path and filename for PD"
depends on EC_GOOGLE_CHROMEEC_PD_FIRMWARE_EXTERNAL
help
The path and filename of the PD firmware file to use.
config EC_GOOGLE_CHROMEEC_SWITCHES
depends on VBOOT
bool
help
Enable support for ChromeOS mode switches provided by the ChromeOS
EC.
config EC_GOOGLE_CHROMEEC_INCLUDE_SSFC_IN_FW_CONFIG
depends on FW_CONFIG_SOURCE_CHROMEEC_CBI
bool
help
Fetch Second Source Factory Cache from CBI EEPROM and add it in the most significant
32 bits of firmware configuration.
config EC_GOOGLE_CHROMEEC_AUTO_FAN_CTRL
bool "Enable automatic fan control"
help
Put the fan in auto mode at boot.
config EC_GOOGLE_CHROMEEC_READ_BATTERY_LONG_STRING
depends on TPM_GOOGLE
bool
default y
help
The Chrome EC currently supports two ways to read battery strings on
ACPI platforms:
* Read up to 8 bytes from EC shared memory BMFG, BMOD, ...
* Send a EC_CMD_BATTERY_GET_STATIC host command and read longer strings as a response.
Select this config to support readout of longer battery strings.
If unsure, say N.
endif # EC_GOOGLE_CHROMEEC
source "src/ec/google/chromeec/*/Kconfig"
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