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SubjectRe: [PATCH v3 3/6] dt-bindings: mfd: Binding for RTL8231
On Mon, May 24, 2021 at 12:34 AM Sander Vanheule <> wrote:

> Add a binding description for the Realtek RTL8231, a GPIO and LED
> expander chip commonly used in ethernet switches based on a Realtek
> switch SoC. These chips can be addressed via an MDIO or SMI bus, or used
> as a plain 36-bit shift register.
> This binding only describes the feature set provided by the MDIO/SMI
> configuration, and covers the GPIO, PWM, and pin control properties. The
> LED properties are defined in a separate binding.
> Signed-off-by: Sander Vanheule <>

This looks good to me from a GPIO and pin control PoV:
Reviewed-by: Linus Walleij <>

Linus Walleij

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