linux-kernel - [PATCH] serial: 8250_uniphier: add bindings document for UniPhier UART

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Message-Id: <1434099857-13594-1-git-send-email-yamada.masahiro@socionext.com>
Date:	Fri, 12 Jun 2015 18:04:17 +0900
From:	Masahiro Yamada <yamada.masahiro@...ionext.com>
To:	linux-serial@...r.kernel.org
Cc:	Masahiro Yamada <yamada.masahiro@...ionext.com>,
	devicetree@...r.kernel.org, Kumar Gala <galak@...eaurora.org>,
	linux-kernel@...r.kernel.org,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	linux-arm-kernel@...ts.infradead.org
Subject: [PATCH] serial: 8250_uniphier: add bindings document for UniPhier UART

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@...ionext.com>
---

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@...06800 {
+		compatible = "socionext,uniphier-uart";
+		reg = <0x54006800 0x40>;
+		interrupts = <0 33 4>;
+		clocks = <&uart_clk>;
+		fifo-size = <64>;
+	};
-- 
1.9.1

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