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Date:   Thu, 4 May 2023 21:02:50 +0200
From:   Stanislav Jakubek <stano.jakubek@gmail.com>
To:     Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Florian Fainelli <f.fainelli@gmail.com>,
        Ray Jui <rjui@broadcom.com>,
        Scott Branden <sbranden@broadcom.com>
Cc:     bcm-kernel-feedback-list@broadcom.com, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org
Subject: [PATCH] dt-bindings: misc: brcm,kona-smc: convert to YAML
Message-ID: <20230504190250.GA10108@standask-GA-A55M-S2HP>
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Convert Broadcom Kona family Secure Monitor bounce buffer bindings
to DT schema.

Change during conversion:
  - add used, but previously undocumented SoC-specific compatibles

Signed-off-by: Stanislav Jakubek <stano.jakubek@gmail.com>
---
 .../bindings/misc/brcm,kona-smc.txt           | 15 -------
 .../bindings/misc/brcm,kona-smc.yaml          | 44 +++++++++++++++++++
 2 files changed, 44 insertions(+), 15 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/misc/brcm,kona-smc.txt
 create mode 100644 Documentation/devicetree/bindings/misc/brcm,kona-smc.yaml

diff --git a/Documentation/devicetree/bindings/misc/brcm,kona-smc.txt b/Documentation/devicetree/bindings/misc/brcm,kona-smc.txt
deleted file mode 100644
index 05b47232ed9e..000000000000
--- a/Documentation/devicetree/bindings/misc/brcm,kona-smc.txt
+++ /dev/null
@@ -1,15 +0,0 @@
-Broadcom Secure Monitor Bounce buffer
------------------------------------------------------
-This binding defines the location of the bounce buffer
-used for non-secure to secure communications.
-
-Required properties:
-- compatible : "brcm,kona-smc"
-- DEPRECATED: compatible : "bcm,kona-smc"
-- reg : Location and size of bounce buffer
-
-Example:
-	smc@3404c000 {
-		compatible = "brcm,bcm11351-smc", "brcm,kona-smc";
-		reg = <0x3404c000 0x400>; //1 KiB in SRAM
-	};
diff --git a/Documentation/devicetree/bindings/misc/brcm,kona-smc.yaml b/Documentation/devicetree/bindings/misc/brcm,kona-smc.yaml
new file mode 100644
index 000000000000..ba0312a20083
--- /dev/null
+++ b/Documentation/devicetree/bindings/misc/brcm,kona-smc.yaml
@@ -0,0 +1,44 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/misc/brcm,kona-smc.yaml#
+$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:
+    oneOf:
+      - items:
+          - enum:
+              - brcm,bcm11351-smc
+              - brcm,bcm21664-smc
+              - brcm,bcm23550-smc
+          - const: brcm,kona-smc
+      - items:
+          - const: bcm,bcm11351-smc
+          - const: bcm,kona-smc
+        deprecated: true
+
+  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 */
+    };
+...
-- 
2.25.1