dt-bindings: EDAC: Add Amazon's Annapurna Labs Memory Controller binding

Document Amazon's Annapurna Labs Memory Controller EDAC SoC binding.

Signed-off-by: Talel Shenhar <talel@amazon.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lkml.kernel.org/r/20200816185551.19108-2-talel@amazon.com

diff --git a/Documentation/devicetree/bindings/edac/amazon,al-mc-edac.yaml b/Documentation/devicetree/bindings/edac/amazon,al-mc-edac.yaml
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+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/edac/amazon,al-mc-edac.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Amazon's Annapurna Labs Memory Controller EDAC
+
+maintainers:
+  - Talel Shenhar <talel@amazon.com>
+  - Talel Shenhar <talelshenhar@gmail.com>
+
+description: |
+  EDAC node is defined to describe on-chip error detection and correction for
+  Amazon's Annapurna Labs Memory Controller.
+
+properties:
+
+  compatible:
+    const: amazon,al-mc-edac
+
+  reg:
+    maxItems: 1
+
+  "#address-cells":
+    const: 2
+
+  "#size-cells":
+    const: 2
+
+  interrupts:
+    minItems: 1
+    maxItems: 2
+    items:
+      - description: uncorrectable error interrupt
+      - description: correctable error interrupt
+
+  interrupt-names:
+    minItems: 1
+    maxItems: 2
+    items:
+      - const: ue
+      - const: ce
+
+required:
+  - compatible
+  - reg
+  - "#address-cells"
+  - "#size-cells"
+
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    soc {
+        #address-cells = <2>;
+        #size-cells = <2>;
+        edac@f0080000 {
+          #address-cells = <2>;
+          #size-cells = <2>;
+          compatible = "amazon,al-mc-edac";
+          reg = <0x0 0xf0080000 0x0 0x00010000>;
+          interrupt-parent = <&amazon_al_system_fabric>;
+          interrupt-names = "ue";
+          interrupts = <20 IRQ_TYPE_LEVEL_HIGH>;
+        };
+    };