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From: Ran Wang <ran.wang_1@nxp.com>
To: Li Yang <leoyang.li@nxp.com>, Rob Herring <robh+dt@kernel.org>,
 Mark Rutland <mark.rutland@arm.com>, Pavel Machek <pavel@ucw.cz>
Subject: [PATCH v4 2/3] Documentation: dt: binding: fsl: Add 'little-endian'
 and update Chassis define
Date: Mon, 20 May 2019 17:52:37 +0800
Message-Id: <20190520095238.29210-2-ran.wang_1@nxp.com>
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Cc: Len Brown <len.brown@intel.com>, devicetree@vger.kernel.org,
 Greg Kroah-Hartman <gregkh@linuxfoundation.org>, linux-pm@vger.kernel.org,
 "Rafael J . Wysocki" <rjw@rjwysocki.net>, linux-kernel@vger.kernel.org,
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 linux-arm-kernel@lists.infradead.org
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 <linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org>

By default, QorIQ SoC's RCPM register block is Big Endian. But
there are some exceptions, such as LS1088A and LS2088A, are Little
Endian. So add this optional property to help identify them.

Actually LS2021A and other Layerscapes won't totally follow Chassis
2.1, so separate them from powerpc SoC.

Signed-off-by: Ran Wang <ran.wang_1@nxp.com>
---
Change in v4:
	- Adjust indectation of 'ls1021a, ls1012a, ls1043a, ls1046a'.

Change in v3:
	- None.

Change in v2:
	- None.

 Documentation/devicetree/bindings/soc/fsl/rcpm.txt |    8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)

diff --git a/Documentation/devicetree/bindings/soc/fsl/rcpm.txt b/Documentation/devicetree/bindings/soc/fsl/rcpm.txt
index e284e4e..058154c 100644
--- a/Documentation/devicetree/bindings/soc/fsl/rcpm.txt
+++ b/Documentation/devicetree/bindings/soc/fsl/rcpm.txt
@@ -20,6 +20,7 @@ Required properites:
 	* "fsl,qoriq-rcpm-1.0": for chassis 1.0 rcpm
 	* "fsl,qoriq-rcpm-2.0": for chassis 2.0 rcpm
 	* "fsl,qoriq-rcpm-2.1": for chassis 2.1 rcpm
+	* "fsl,qoriq-rcpm-2.1+": for chassis 2.1+ rcpm
 
 All references to "1.0" and "2.0" refer to the QorIQ chassis version to
 which the chip complies.
@@ -27,7 +28,12 @@ Chassis Version		Example Chips
 ---------------		-------------------------------
 1.0				p4080, p5020, p5040, p2041, p3041
 2.0				t4240, b4860, b4420
-2.1				t1040, ls1021
+2.1				t1040,
+2.1+				ls1021a, ls1012a, ls1043a, ls1046a
+
+Optional properties:
+ - little-endian : RCPM register block is Little Endian. Without it RCPM
+   will be Big Endian (default case).
 
 Example:
 The RCPM node for T4240:
-- 
1.7.1