On Mon, 24 May 2021 00:34:01 +0200, 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 <sander@xxxxxxxxxxxxx> > --- > .../bindings/mfd/realtek,rtl8231.yaml | 190 ++++++++++++++++++ > 1 file changed, 190 insertions(+) > create mode 100644 Documentation/devicetree/bindings/mfd/realtek,rtl8231.yaml > Reviewed-by: Rob Herring <robh@xxxxxxxxxx>