netdev - [PATCH v4 2/3] can: sja1000: add documentation for Technologic Systems version

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Message-Id: <1452685566-27431-3-git-send-email-mkl@pengutronix.de>
Date:	Wed, 13 Jan 2016 12:46:05 +0100
From:	Marc Kleine-Budde <mkl@...gutronix.de>
To:	linux-can@...r.kernel.org
Cc:	netdev@...r.kernel.org,
	Damien Riegel <damien.riegel@...oirfairelinux.com>,
	Marc Kleine-Budde <mkl@...gutronix.de>
Subject: [PATCH v4 2/3] can: sja1000: add documentation for Technologic Systems version

From: Damien Riegel <damien.riegel@...oirfairelinux.com>

This commit adds documentation for the Technologic Systems version of
SJA1000. The difference with the NXP version is in the way the registers
are accessed.

Signed-off-by: Damien Riegel <damien.riegel@...oirfairelinux.com>
Signed-off-by: Marc Kleine-Budde <mkl@...gutronix.de>
---
 Documentation/devicetree/bindings/net/can/sja1000.txt | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/net/can/sja1000.txt b/Documentation/devicetree/bindings/net/can/sja1000.txt
index b4a6d53fb01a..ac3160eca96a 100644
--- a/Documentation/devicetree/bindings/net/can/sja1000.txt
+++ b/Documentation/devicetree/bindings/net/can/sja1000.txt
@@ -2,7 +2,7 @@ Memory mapped SJA1000 CAN controller from NXP (formerly Philips)
 
 Required properties:
 
-- compatible : should be "nxp,sja1000".
+- compatible : should be one of "nxp,sja1000", "technologic,sja1000".
 
 - reg : should specify the chip select, address offset and size required
 	to map the registers of the SJA1000. The size is usually 0x80.
@@ -14,6 +14,7 @@ Optional properties:
 
 - reg-io-width : Specify the size (in bytes) of the IO accesses that
 	should be performed on the device.  Valid value is 1, 2 or 4.
+	This property is ignored for technologic version.
 	Default to 1 (8 bits).
 
 - nxp,external-clock-frequency : Frequency of the external oscillator
-- 
2.6.4