[PATCH 1/3] dt-bindings: edac: Add binding for L1/L2 error detection for Cortex A53/57

[Sascha Hauer]

The ARM Cortex-A53 and A57 CPUs support error detection for the L1/L2
caches. This patch adds a binding for the corresponding driver.

Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
---
 .../bindings/edac/arm,cortex-a5x-edac.yaml    | 32 +++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/edac/arm,cortex-a5x-edac.yaml

diff --git a/Documentation/devicetree/bindings/edac/arm,cortex-a5x-edac.yaml b/Documentation/devicetree/bindings/edac/arm,cortex-a5x-edac.yaml
new file mode 100644
index 000000000000..de9325b688a0
--- /dev/null
+++ b/Documentation/devicetree/bindings/edac/arm,cortex-a5x-edac.yaml
@@ -0,0 +1,32 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/edac/arm,cortex-a5x-edac.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ARM cortex A53/A57 EDAC bindings
+
+description: |+
+  This contains the binding to support error detection for the L1 and L2 caches
+  on ARM Cortex A53 and A57 cores.
+
+properties:
+  compatible:
+    items:
+      - const: arm,cortex-a53-edac
+      - const: arm,cortex-a57-edac
+
+  cpus:
+    minItems: 1
+    description: phandles to the cpu nodes this device handles
+
+required:
+  - compatible
+  - cpus
+
+examples:
+  - |
+    edac-a53 {
+        compatible = "arm,cortex-a53-edac";
+        cpus = <&cpu0 &cpu1 &cpu2 &cpu3>;
+    };
-- 
2.28.0