[PATCH v2 1/3] dt-bindings: serial: amlogic,meson-uart: add fifo-size property
From: Neil Armstrong <hidden>
Date: 2021-03-25 15:25:03
Also in:
linux-amlogic, linux-arm-kernel, linux-serial, lkml
Subsystem:
open firmware and flattened device tree bindings, the rest, tty layer and serial drivers · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds, Greg Kroah-Hartman, Jiri Slaby
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 <redacted> Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> --- .../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
--
2.25.1