ASUS Transformers require this driver for proper work with their dock. Dock is controlled by EC and its presence is detected by a GPIO. --- Changes in v2: - adjusted documentation --- Michał Mirosław (1): i2c: Add GPIO-based hotplug gate Svyatoslav Ryhel (1): dt-bindings: i2c: add binding for i2c-hotplug-gpio .../bindings/i2c/i2c-hotplug-gpio.yaml | 65 +++++ drivers/i2c/Kconfig | 11 + drivers/i2c/Makefile | 1 + drivers/i2c/i2c-hotplug-gpio.c | 266 ++++++++++++++++++ 4 files changed, 343 insertions(+) create mode 100644 Documentation/devicetree/bindings/i2c/i2c-hotplug-gpio.yaml create mode 100644 drivers/i2c/i2c-hotplug-gpio.c -- 2.39.2
