1 files changed, 39 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/firmware/brcm,kona-smc.yaml b/Documentation/devicetree/bindings/firmware/brcm,kona-smc.yaml
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+++ b/Documentation/devicetree/bindings/firmware/brcm,kona-smc.yaml
@@ -0,0 +1,39 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/firmware/brcm,kona-smc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Broadcom Kona family Secure Monitor bounce buffer
+
+description:
+  A bounce buffer used for non-secure to secure communications.
+
+maintainers:
+  - Florian Fainelli <f.fainelli@gmail.com>
+
+properties:
+  compatible:
+    items:
+      - enum:
+          - brcm,bcm11351-smc
+          - brcm,bcm21664-smc
+          - brcm,bcm23550-smc
+      - const: brcm,kona-smc
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    smc@3404c000 {
+        compatible = "brcm,bcm11351-smc", "brcm,kona-smc";
+        reg = <0x3404c000 0x400>; /* 1 KiB in SRAM */
+    };
+...