From: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx> On Mon, 24 Feb 2025 11:03:20 +0100, Quentin Schulz wrote: > The PCA9670, PCA9671, PCA9672 and PCA9673 all have a RESETN input pin > that is used to reset the I2C GPIO expander. > > One needs to hold this pin low for at least 4us and the reset should be > finished after about 100us according to the datasheet[1]. Once the reset > is done, the "registers and I2C-bus state machine will be held in their > default state until the RESET input is once again HIGH.". > > [...] Applied, thanks! [1/2] dt-bindings: gpio: nxp,pcf8575: add reset GPIO commit: b28037d4f375ed36ce8abbbd31107b991792db72 [2/2] gpio: pcf857x: add support for reset-gpios on (most) PCA967x commit: 087f8a6b8ce93d582e0b84af538da13d735e2444 Best regards, -- Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>