[PATCH v8 06/10] dt: bindings: Document ZynqMP DDRC in Synopsys documentation
STALE2915d
REVIEWED: 6 (6M)
From: Manish Narani <hidden>
Date: 2018-10-04 15:36:58
Also in:
linux-devicetree, linux-edac, lkml
Subsystem:
memory controller drivers, open firmware and flattened device tree bindings, the rest · Maintainers:
Krzysztof Kozlowski, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Revision v8 of 5 in this series; 1 review trailer (1 from subsystem maintainers).
Revisions (5)
Add information of ZynqMP DDRC which reports the single bit errors that are corrected and the double bit errors that are detected. Signed-off-by: Manish Narani <redacted> Reviewed-by: Rob Herring <robh@kernel.org> --- .../bindings/memory-controllers/synopsys.txt | 27 ++++++++++++++++++---- 1 file changed, 22 insertions(+), 5 deletions(-)
diff --git a/Documentation/devicetree/bindings/memory-controllers/synopsys.txt b/Documentation/devicetree/bindings/memory-controllers/synopsys.txt
index a43d26d..9d32762 100644
--- a/Documentation/devicetree/bindings/memory-controllers/synopsys.txt
+++ b/Documentation/devicetree/bindings/memory-controllers/synopsys.txt@@ -1,15 +1,32 @@ Binding for Synopsys IntelliDDR Multi Protocol Memory Controller -This controller has an optional ECC support in half-bus width (16-bit) -configuration. The ECC controller corrects one bit error and detects -two bit errors. +The ZynqMP DDR ECC controller has an optional ECC support in 64-bit and 32-bit +bus width configurations. + +The Zynq DDR ECC controller has an optional ECC support in half-bus width +(16-bit) configuration. + +These both ECC controllers correct single bit ECC errors and detect double bit +ECC errors. Required properties: - - compatible: Should be 'xlnx,zynq-ddrc-a05' - - reg: Base address and size of the controllers memory area + - compatible: One of: + - 'xlnx,zynq-ddrc-a05' : Zynq DDR ECC controller + - 'xlnx,zynqmp-ddrc-2.40a' : ZynqMP DDR ECC controller + - reg: Should contain DDR controller registers location and length. + +Required properties for "xlnx,zynqmp-ddrc-2.40a": + - interrupts: Property with a value describing the interrupt number. Example: memory-controller at f8006000 { compatible = "xlnx,zynq-ddrc-a05"; reg = <0xf8006000 0x1000>; }; + + mc: memory-controller at fd070000 { + compatible = "xlnx,zynqmp-ddrc-2.40a"; + reg = <0x0 0xfd070000 0x0 0x30000>; + interrupt-parent = <&gic>; + interrupts = <0 112 4>; + };
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2.1.1