[3/4] dt-bindings: arm: keystone: Convert keystone.txt to YAML

diff --git a/Documentation/arch/arm/keystone/overview.rst b/Documentation/arch/arm/keystone/overview.rst
index cd90298c493c7..6d8896ba9a6e2 100644
--- a/Documentation/arch/arm/keystone/overview.rst
+++ b/Documentation/arch/arm/keystone/overview.rst
@@ -65,7 +65,7 @@  specified through DTS. Following are the DTS used:
 
 The device tree documentation for the keystone machines are located at
 
-        Documentation/devicetree/bindings/arm/keystone/keystone.txt
+        Documentation/devicetree/bindings/arm/keystone/ti,keystone.yaml
 
 Document Author
 ---------------
diff --git a/Documentation/devicetree/bindings/arm/keystone/keystone.txt b/Documentation/devicetree/bindings/arm/keystone/keystone.txt
deleted file mode 100644
index f310bad044830..0000000000000
--- a/Documentation/devicetree/bindings/arm/keystone/keystone.txt
+++ /dev/null
@@ -1,42 +0,0 @@ 
-TI Keystone Platforms Device Tree Bindings
------------------------------------------------
-
-Boards with Keystone2 based devices (TCI66xxK2H) SOC shall have the
-following properties.
-
-Required properties:
- - compatible: All TI specific devices present in Keystone SOC should be in
-   the form "ti,keystone-*". Generic devices like gic, arch_timers, ns16550
-   type UART should use the specified compatible for those devices.
-
-SoC families:
-
-- Keystone 2 generic SoC:
-   compatible = "ti,keystone"
-
-SoCs:
-
-- Keystone 2 Hawking/Kepler
-   compatible = "ti,k2hk", "ti,keystone"
-- Keystone 2 Lamarr
-   compatible = "ti,k2l", "ti,keystone"
-- Keystone 2 Edison
-   compatible = "ti,k2e", "ti,keystone"
-- K2G
-   compatible = "ti,k2g", "ti,keystone"
-
-Boards:
--  Keystone 2 Hawking/Kepler EVM
-   compatible = "ti,k2hk-evm", "ti,k2hk", "ti,keystone"
-
--  Keystone 2 Lamarr EVM
-   compatible = "ti,k2l-evm", "ti, k2l", "ti,keystone"
-
--  Keystone 2 Edison EVM
-   compatible = "ti,k2e-evm", "ti,k2e", "ti,keystone"
-
--  K2G EVM
-   compatible = "ti,k2g-evm", "ti,k2g", "ti-keystone"
-
--  K2G Industrial Communication Engine EVM
-   compatible = "ti,k2g-ice", "ti,k2g", "ti-keystone"
diff --git a/Documentation/devicetree/bindings/arm/keystone/ti,keystone.yaml b/Documentation/devicetree/bindings/arm/keystone/ti,keystone.yaml
new file mode 100644
index 0000000000000..60af461af5ff9
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/keystone/ti,keystone.yaml
@@ -0,0 +1,53 @@ 
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/arm/keystone/ti,keystone.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Texas Instruments Keystone SoC architecture
+
+maintainers:
+  - Andrew Davis <afd@ti.com>
+
+description: |
+  Platforms based on Texas Instruments Keystone2 Multicore SoC architecture
+  shall have the following properties.
+
+properties:
+  $nodename:
+    const: '/'
+  compatible:
+    oneOf:
+
+      - description: Keystone 2 Hawking/Kepler
+        items:
+          - enum:
+              - ti,k2hk-evm # Keystone 2 Hawking/Kepler EVM
+          - const: ti,k2hk
+          - const: ti,keystone
+
+      - description: Keystone 2 Lamarr
+        items:
+          - enum:
+              - ti,k2l-evm # Keystone 2 Lamarr EVM
+          - const: ti,k2l
+          - const: ti,keystone
+
+      - description: Keystone 2 Edison
+        items:
+          - enum:
+              - ti,k2e-evm # Keystone 2 Edison EVM
+          - const: ti,k2e
+          - const: ti,keystone
+
+      - description: K2G
+        items:
+          - enum:
+              - ti,k2g-evm # K2G EVM
+              - ti,k2g-ice # K2G Industrial Communication Engine EVM
+          - const: ti,k2g
+          - const: ti,keystone
+
+additionalProperties: true
+
+...