Hi Rob, On 25/03/2021 16:24, Neil Armstrong wrote: > On most of the Amlogic SoCs, the first UART controller in the "Everything-Else" > power domain has 128bytes of RX & TX FIFO, so add an optional property to describe > a different FIFO size from the other ports (64bytes). > > Signed-off-by: Neil Armstrong <narmstrong@xxxxxxxxxxxx> > Reviewed-by: Martin Blumenstingl <martin.blumenstingl@xxxxxxxxxxxxxx> > --- > .../devicetree/bindings/serial/amlogic,meson-uart.yaml | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/Documentation/devicetree/bindings/serial/amlogic,meson-uart.yaml b/Documentation/devicetree/bindings/serial/amlogic,meson-uart.yaml > index 75ebc9952a99..8ece7f420c19 100644 > --- a/Documentation/devicetree/bindings/serial/amlogic,meson-uart.yaml > +++ b/Documentation/devicetree/bindings/serial/amlogic,meson-uart.yaml > @@ -55,6 +55,12 @@ properties: > - const: pclk > - const: baud > > + > + fifo-size: > + description: The fifo size supported by the UART channel. > + $ref: /schemas/types.yaml#/definitions/uint32 > + enum: [64, 128] > + > required: > - compatible > - reg > Is it ok with the generic fifo-size property ? Neil
