This adds support for the Awinic AW9523/AW9523B I2C GPIO Expander, as found in the F(x)Tec Pro1 smartphone (there, it's used to drive a keyboard matrix). This driver was tested on the aforementioned smartphone.
AngeloGioacchino Del Regno (2): pinctrl: Add driver for Awinic AW9523/B I2C GPIO Expander dt-bindings: pinctrl: Add bindings for Awinic AW9523/AW9523B .../pinctrl/awinic,aw9523-pinctrl.yaml | 111 ++ drivers/pinctrl/Kconfig | 17 + drivers/pinctrl/Makefile | 1 + drivers/pinctrl/pinctrl-aw9523.c | 1070 +++++++++++++++++ 4 files changed, 1199 insertions(+) create mode 100644 Documentation/devicetree/bindings/pinctrl/awinic,aw9523-pinctrl.yaml create mode 100644 drivers/pinctrl/pinctrl-aw9523.c -- 2.29.2
