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-rw-r--r--drivers/platform/chrome/Kconfig121
1 files changed, 91 insertions, 30 deletions
diff --git a/drivers/platform/chrome/Kconfig b/drivers/platform/chrome/Kconfig
index 9186d81a51cc..ee5f08ea57b6 100644
--- a/drivers/platform/chrome/Kconfig
+++ b/drivers/platform/chrome/Kconfig
@@ -1,7 +1,18 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# Platform support for Chrome OS hardware (Chromebooks and Chromeboxes)
#
+config MFD_CROS_EC
+ tristate "Platform support for Chrome hardware (transitional)"
+ select CHROME_PLATFORMS
+ select CROS_EC
+ select CONFIG_MFD_CROS_EC_DEV
+ depends on X86 || ARM || ARM64 || COMPILE_TEST
+ help
+ This is a transitional Kconfig option and will be removed after
+ everyone enables the parts individually.
+
menuconfig CHROME_PLATFORMS
bool "Platform support for Chrome hardware"
depends on X86 || ARM || ARM64 || COMPILE_TEST
@@ -49,9 +60,22 @@ config CHROMEOS_TBMC
To compile this driver as a module, choose M here: the
module will be called chromeos_tbmc.
+config CROS_EC
+ tristate "ChromeOS Embedded Controller"
+ select CROS_EC_PROTO
+ depends on X86 || ARM || ARM64 || COMPILE_TEST
+ help
+ If you say Y here you get support for the ChromeOS Embedded
+ Controller (EC) providing keyboard, battery and power services.
+ You also need to enable the driver for the bus you are using. The
+ protocol for talking to the EC is defined by the bus driver.
+
+ To compile this driver as a module, choose M here: the
+ module will be called cros_ec.
+
config CROS_EC_I2C
tristate "ChromeOS Embedded Controller (I2C)"
- depends on MFD_CROS_EC && I2C
+ depends on CROS_EC && I2C
help
If you say Y here, you get support for talking to the ChromeOS
@@ -59,9 +83,34 @@ config CROS_EC_I2C
a checksum. Failing accesses will be retried three times to
improve reliability.
+config CROS_EC_RPMSG
+ tristate "ChromeOS Embedded Controller (rpmsg)"
+ depends on CROS_EC && RPMSG && OF
+ help
+ If you say Y here, you get support for talking to the ChromeOS EC
+ through rpmsg. This uses a simple byte-level protocol with a
+ checksum. Also since there's no addition EC-to-host interrupt, this
+ use a byte in message to distinguish host event from host command.
+
+ To compile this driver as a module, choose M here: the
+ module will be called cros_ec_rpmsg.
+
+config CROS_EC_ISHTP
+ tristate "ChromeOS Embedded Controller (ISHTP)"
+ depends on CROS_EC
+ depends on INTEL_ISH_HID
+ help
+ If you say Y here, you get support for talking to the ChromeOS EC
+ firmware running on Intel Integrated Sensor Hub (ISH), using the
+ ISH Transport protocol (ISH-TP). This uses a simple byte-level
+ protocol with a checksum.
+
+ To compile this driver as a module, choose M here: the
+ module will be called cros_ec_ishtp.
+
config CROS_EC_SPI
tristate "ChromeOS Embedded Controller (SPI)"
- depends on MFD_CROS_EC && SPI
+ depends on CROS_EC && SPI
---help---
If you say Y here, you get support for talking to the ChromeOS EC
@@ -70,28 +119,17 @@ config CROS_EC_SPI
'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
+ tristate "ChromeOS Embedded Controller (LPC)"
+ depends on CROS_EC && ACPI && (X86 || COMPILE_TEST)
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 say Y here, you get support for talking to the ChromeOS EC
+ over an LPC bus, including the LPC Microchip EC (MEC) variant.
+ 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.
- If you have a ChromeOS Embedded Controller Microchip EC variant
- choose Y here.
+ To compile this driver as a module, choose M here: the
+ module will be called cros_ec_lpcs.
config CROS_EC_PROTO
bool
@@ -108,10 +146,21 @@ config CROS_KBD_LED_BACKLIGHT
To compile this driver as a module, choose M here: the
module will be called cros_kbd_led_backlight.
+config CROS_EC_CHARDEV
+ tristate "ChromeOS EC miscdevice"
+ depends on MFD_CROS_EC_DEV
+ default MFD_CROS_EC_DEV
+ help
+ This driver adds file operations support to talk with the
+ ChromeOS EC from userspace via a character device.
+
+ To compile this driver as a module, choose M here: the
+ module will be called cros_ec_chardev.
+
config CROS_EC_LIGHTBAR
tristate "Chromebook Pixel's lightbar support"
- depends on MFD_CROS_EC_CHARDEV
- default MFD_CROS_EC_CHARDEV
+ depends on MFD_CROS_EC_DEV
+ default MFD_CROS_EC_DEV
help
This option exposes the Chromebook Pixel's lightbar to
userspace.
@@ -121,8 +170,8 @@ config CROS_EC_LIGHTBAR
config CROS_EC_VBC
tristate "ChromeOS EC vboot context support"
- depends on MFD_CROS_EC_CHARDEV && OF
- default MFD_CROS_EC_CHARDEV
+ depends on MFD_CROS_EC_DEV && OF
+ default MFD_CROS_EC_DEV
help
This option exposes the ChromeOS EC vboot context nvram to
userspace.
@@ -132,8 +181,8 @@ config CROS_EC_VBC
config CROS_EC_DEBUGFS
tristate "Export ChromeOS EC internals in DebugFS"
- depends on MFD_CROS_EC_CHARDEV && DEBUG_FS
- default MFD_CROS_EC_CHARDEV
+ depends on MFD_CROS_EC_DEV && DEBUG_FS
+ default MFD_CROS_EC_DEV
help
This option exposes the ChromeOS EC device internals to
userspace.
@@ -143,8 +192,8 @@ config CROS_EC_DEBUGFS
config CROS_EC_SYSFS
tristate "ChromeOS EC control and information through sysfs"
- depends on MFD_CROS_EC_CHARDEV && SYSFS
- default MFD_CROS_EC_CHARDEV
+ depends on MFD_CROS_EC_DEV && SYSFS
+ default MFD_CROS_EC_DEV
help
This option exposes some sysfs attributes to control and get
information from ChromeOS EC.
@@ -152,6 +201,18 @@ config CROS_EC_SYSFS
To compile this driver as a module, choose M here: the
module will be called cros_ec_sysfs.
+config CROS_USBPD_LOGGER
+ tristate "Logging driver for USB PD charger"
+ depends on CHARGER_CROS_USBPD
+ default y
+ select RTC_LIB
+ help
+ This option enables support for logging event data for the USB PD charger
+ available in the Embedded Controller on ChromeOS systems.
+
+ To compile this driver as a module, choose M here: the
+ module will be called cros_usbpd_logger.
+
source "drivers/platform/chrome/wilco_ec/Kconfig"
endif # CHROMEOS_PLATFORMS
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