Re: [PATCH v3 0/2] gpio: pcf857x: add support for reset-gpios on (most) PCA967x
From: Bartosz Golaszewski
Date: Wed Feb 26 2025 - 05:27:41 EST
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>