This is binding information for the UniPhier on-chip UART driver
(drivers/tty/serial/8250/8250_uniphier.c).
Signed-off-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>
---
Greg,
If not too late, can you merge this patch into your tty repository
for the upcoming merge window, please?
.../devicetree/bindings/serial/uniphier-uart.txt | 23 ++++++++++++++++++++++
1 file changed, 23 insertions(+)
create mode 100644 Documentation/devicetree/bindings/serial/uniphier-uart.txt
diff --git a/Documentation/devicetree/bindings/serial/uniphier-uart.txt b/Documentation/devicetree/bindings/serial/uniphier-uart.txt
new file mode 100644
index 0000000..0b3892a
--- /dev/null
+++ b/Documentation/devicetree/bindings/serial/uniphier-uart.txt
@@ -0,0 +1,23 @@
+UniPhier UART controller
+
+Required properties:
+- compatible: should be "socionext,uniphier-uart".
+- reg: offset and length of the register set for the device.
+- interrupts: a single interrupt specifier.
+- clocks: phandle to the input clock.
+
+Optional properties:
+- fifo-size: the RX/TX FIFO size. Defaults to 64 if not specified.
+
+Example:
+ aliases {
+ serial0 = &serial0;
+ };
+
+ serial0: serial@54006800 {
+ compatible = "socionext,uniphier-uart";
+ reg = <0x54006800 0x40>;
+ interrupts = <0 33 4>;
+ clocks = <&uart_clk>;
+ fifo-size = <64>;
+ };
--
1.9.1
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