netdev - [PATCH 1/2] net: flexcan: clock-frequency is optional for device tree probe

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Date:	Tue, 26 Jun 2012 16:49:22 +0800
From:	Shawn Guo <shawn.guo@...aro.org>
To:	"David S. Miller" <davem@...emloft.net>
CC:	Marc Kleine-Budde <mkl@...gutronix.de>, <netdev@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	Shawn Guo <shawn.guo@...aro.org>
Subject: [PATCH 1/2] net: flexcan: clock-frequency is optional for device tree probe

The property clock-frequency is optional for device tree probe.  When
it's absent, the flexcan driver will try to get the frequency from clk
system by calling clk_get_rate.

Signed-off-by: Shawn Guo <shawn.guo@...aro.org>
---
 .../devicetree/bindings/net/can/fsl-flexcan.txt    |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/Documentation/devicetree/bindings/net/can/fsl-flexcan.txt b/Documentation/devicetree/bindings/net/can/fsl-flexcan.txt
index f31b686..8ff324e 100644
--- a/Documentation/devicetree/bindings/net/can/fsl-flexcan.txt
+++ b/Documentation/devicetree/bindings/net/can/fsl-flexcan.txt
@@ -11,6 +11,9 @@ Required properties:
 
 - reg : Offset and length of the register set for this device
 - interrupts : Interrupt tuple for this device
+
+Optional properties:
+
 - clock-frequency : The oscillator frequency driving the flexcan device
 
 Example:
-- 
1.7.5.4


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