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author | Jiri Kosina <jkosina@suse.cz> | 2018-08-20 18:05:17 +0200 |
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committer | Jiri Kosina <jkosina@suse.cz> | 2018-08-20 18:05:17 +0200 |
commit | 415d2b3392d7a80903e0f97f051201aa02bf20e9 (patch) | |
tree | 47492d2386a0e7f00ef645313cb44ae4960b7e7e /Documentation/driver-api/gpio/drivers-on-gpio.rst | |
parent | HID: hiddev: fix potential Spectre v1 (diff) | |
parent | HID: cougar: Add support for the Cougar 500k Gaming Keyboard (diff) | |
download | linux-dev-415d2b3392d7a80903e0f97f051201aa02bf20e9.tar.xz linux-dev-415d2b3392d7a80903e0f97f051201aa02bf20e9.zip |
Merge branch 'for-4.19/cougar' into for-linus
New device support for hid-cougar
Diffstat (limited to 'Documentation/driver-api/gpio/drivers-on-gpio.rst')
-rw-r--r-- | Documentation/driver-api/gpio/drivers-on-gpio.rst | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/driver-api/gpio/drivers-on-gpio.rst b/Documentation/driver-api/gpio/drivers-on-gpio.rst index 7da0c1dd1f7a..f3a189320e11 100644 --- a/Documentation/driver-api/gpio/drivers-on-gpio.rst +++ b/Documentation/driver-api/gpio/drivers-on-gpio.rst @@ -85,6 +85,10 @@ hardware descriptions such as device tree or ACPI: any other serio bus to the system and makes it possible to connect drivers for e.g. keyboards and other PS/2 protocol based devices. +- cec-gpio: drivers/media/platform/cec-gpio/ is used to interact with a CEC + Consumer Electronics Control bus using only GPIO. It is used to communicate + with devices on the HDMI bus. + Apart from this there are special GPIO drivers in subsystems like MMC/SD to read card detect and write protect GPIO lines, and in the TTY serial subsystem to emulate MCTRL (modem control) signals CTS/RTS by using two GPIO lines. The |