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platform/chrome: cros_ec_typec: Displayport support

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Add support for entering and exiting displayport alt-mode on systems
using AP driven alt-mode.

Signed-off-by: Abhishek Pandit-Subedi <abhishekpandit@chromium.org>
Link: https://lore.kernel.org/r/20241213153543.v5.6.I142fc0c09df58689b98f0cebf1c5e48b9d4fa800@changeid
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Abhishek Pandit-Subedi
2024-12-13 15:35:47 -08:00
committed by Greg Kroah-Hartman
parent 5b2f3305a9
commit dbb3fc0ffa
7 changed files with 346 additions and 3 deletions
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6
drivers/platform/chrome/Kconfig
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@@ -237,12 +237,18 @@ config CROS_EC_SYSFS
To compile this driver as a module, choose M here: the
module will be called cros_ec_sysfs.
config CROS_EC_TYPEC_ALTMODES
bool
help
Selectable symbol to enable altmodes.
config CROS_EC_TYPEC
tristate "ChromeOS EC Type-C Connector Control"
depends on MFD_CROS_EC_DEV && TYPEC
depends on CROS_USBPD_NOTIFY
depends on USB_ROLE_SWITCH
default MFD_CROS_EC_DEV
select CROS_EC_TYPEC_ALTMODES if TYPEC_DP_ALTMODE
help
If you say Y here, you get support for accessing Type C connector
information from the Chrome OS EC.