linux-kernel - [PATCH] ARM vf610: add compatibilty strings of supported Vybrid SoC's

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Date:	Fri, 28 Nov 2014 00:27:05 +0100
From:	Stefan Agner <stefan@...er.ch>
To:	shawn.guo@...aro.org, kernel@...gutronix.de
Cc:	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, stefan@...er.ch
Subject: [PATCH] ARM vf610: add compatibilty strings of supported Vybrid SoC's

The Vybrid SoC family (in the kernel known as vf610) is a familiy
of multiple similar SoC's. The VF5xx series comes without secondary
Cortex-M4 core, while the second number VFx1x indicates the presence
of a L2 cache controller.

Signed-off-by: Stefan Agner <stefan@...er.ch>
---
 Documentation/devicetree/bindings/arm/fsl.txt | 12 ++++++++++++
 arch/arm/mach-imx/mach-vf610.c                |  5 ++++-
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/arm/fsl.txt b/Documentation/devicetree/bindings/arm/fsl.txt
index 4e8b7df..c830b5b 100644
--- a/Documentation/devicetree/bindings/arm/fsl.txt
+++ b/Documentation/devicetree/bindings/arm/fsl.txt
@@ -75,6 +75,18 @@ i.MX6q generic board
 Required root node properties:
     - compatible = "fsl,imx6q";
 
+Freescale Vybrid Platform Device Tree Bindings
+----------------------------------------------
+
+For the Vybrid SoC familiy all variants with DDR controller are supported,
+which is the VF5xx and VF6xx series. Out of historical reasons, in most
+places the kernel uses vf610 to refer to the whole familiy.
+
+Required root node compatible property (one of them):
+    - compatible = "fsl,vf500";
+    - compatible = "fsl,vf510";
+    - compatible = "fsl,vf600";
+    - compatible = "fsl,vf610";
 
 Freescale LS1021A Platform Device Tree Bindings
 ------------------------------------------------
diff --git a/arch/arm/mach-imx/mach-vf610.c b/arch/arm/mach-imx/mach-vf610.c
index c11ab6a..2e7c75b 100644
--- a/arch/arm/mach-imx/mach-vf610.c
+++ b/arch/arm/mach-imx/mach-vf610.c
@@ -13,11 +13,14 @@
 #include <asm/hardware/cache-l2x0.h>
 
 static const char * const vf610_dt_compat[] __initconst = {
+	"fsl,vf500",
+	"fsl,vf510",
+	"fsl,vf600",
 	"fsl,vf610",
 	NULL,
 };
 
-DT_MACHINE_START(VYBRID_VF610, "Freescale Vybrid VF610 (Device Tree)")
+DT_MACHINE_START(VYBRID_VF610, "Freescale Vybrid VF5xx/VF6xx (Device Tree)")
 	.l2c_aux_val	= 0,
 	.l2c_aux_mask	= ~0,
 	.dt_compat	= vf610_dt_compat,
-- 
2.1.3

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