[PATCH v2 1/2] powerpc/85xx: Add binding for SCFG

[Dongsheng Wang <dongsheng.wang-KZfg59tc24xl57MIdRCFDg@public.gmane.org>]

From: Wang Dongsheng <dongsheng.wang-KZfg59tc24xl57MIdRCFDg@public.gmane.org>

SCFG provides SoC specific configuration and status registers for
the chip. Add this for powerpc platform.

Signed-off-by: Wang Dongsheng <dongsheng.wang-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
---
*V2*
- Remove scfg description in board.txt and create scfg.txt for scfg.
- Change "fsl,<board>-scfg" to "fsl,<chip>-scfg"

diff --git a/Documentation/devicetree/bindings/powerpc/fsl/scfg.txt b/Documentation/devicetree/bindings/powerpc/fsl/scfg.txt
new file mode 100644
index 0000000..0532c46
--- /dev/null
+++ b/Documentation/devicetree/bindings/powerpc/fsl/scfg.txt
@@ -0,0 +1,18 @@
+Freescale Supplement configuration unit (SCFG)
+
+SCFG is the supplemental configuration unit, that provides SoC specific
+configuration and status registers for the chip. Such as getting PEX port
+status.
+
+Required properties:
+
+- compatible: should be "fsl,<chip>-scfg"
+- reg: should contain base address and length of SCFG memory-mapped
+registers
+
+Example:
+
+	scfg: global-utilities@fc000 {
+		compatible = "fsl,t1040-scfg";
+		reg = <0xfc000 0x1000>;
+	};
-- 
2.1.0.27.g96db324

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