linux-kernel - [PATCH RFC 4/6] tty: cadence: Document DT binding

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Message-Id: <1393953449-28551-5-git-send-email-soren.brinkmann@xilinx.com>
Date:	Tue,  4 Mar 2014 09:17:27 -0800
From:	Soren Brinkmann <soren.brinkmann@...inx.com>
To:	Russell King <linux@....linux.org.uk>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jiri Slaby <jslaby@...e.cz>
Cc:	Michal Simek <michal.simek@...inx.com>,
	Peter Crosthwaite <peter.crosthwaite@...inx.com>,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-serial@...r.kernel.org, Olof Johansson <olof@...om.net>,
	Arnd Bergmann <arnd@...db.de>,
	Kevin Hilman <khilman@...aro.org>,
	Soren Brinkmann <soren.brinkmann@...inx.com>
Subject: [PATCH RFC 4/6] tty: cadence: Document DT binding

Add binding documentation for the Cadence UART.

Signed-off-by: Soren Brinkmann <soren.brinkmann@...inx.com>
Acked-by: Peter Crosthwaite <peter.crosthwaite@...inx.com>
---
 .../devicetree/bindings/serial/cadence_uart.txt      | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/serial/cadence_uart.txt

diff --git a/Documentation/devicetree/bindings/serial/cadence_uart.txt b/Documentation/devicetree/bindings/serial/cadence_uart.txt
new file mode 100644
index 000000000000..fc8ac527dee8
--- /dev/null
+++ b/Documentation/devicetree/bindings/serial/cadence_uart.txt
@@ -0,0 +1,20 @@
+Binding for Cadence UART Controller
+
+Required properties:
+- compatible : should be "cdns,uart-r1p8"
+- reg: Should contain UART controller registers location and length.
+- interrupts: Should contain UART controller interrupts.
+- clocks: Must contain phandles to the UART clocks
+  See ../clocks/clock-bindings.txt for details.
+- clock-names: Tuple to identify input clocks, must contain "uart_clk" and "pclk"
+  See ../clocks/clock-bindings.txt for details.
+
+
+Example:
+	uart@...00000 {
+		compatible = "cdns,uart-r1p8";
+		clocks = <&clkc 23>, <&clkc 40>;
+		clock-names = "uart_clk", "pclk";
+		reg = <0xE0000000 0x1000>;
+		interrupts = <0 27 4>;
+	};
-- 
1.9.0.1.g4196000

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