dt-bindings: i2c: mv64xxx: Add YAML schemas

Switch the DT binding to a YAML schema to enable the DT validation.

Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

1 files changed, 124 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/i2c/marvell,mv64xxx-i2c.yaml b/Documentation/devicetree/bindings/i2c/marvell,mv64xxx-i2c.yaml
new file mode 100644
index 000000000000..9a5654ef5670
--- /dev/null
+++ b/Documentation/devicetree/bindings/i2c/marvell,mv64xxx-i2c.yaml
@@ -0,0 +1,124 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/i2c/marvell,mv64xxx-i2c.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Marvell MV64XXX I2C Controller Device Tree Bindings
+
+maintainers:
+  - Gregory CLEMENT <gregory.clement@bootlin.com>
+
+properties:
+  compatible:
+    oneOf:
+      - const: allwinner,sun4i-a10-i2c
+      - items:
+          - const: allwinner,sun7i-a20-i2c
+          - const: allwinner,sun4i-a10-i2c
+      - const: allwinner,sun6i-a31-i2c
+      - items:
+          - const: allwinner,sun8i-a23-i2c
+          - const: allwinner,sun6i-a31-i2c
+      - items:
+          - const: allwinner,sun8i-a83t-i2c
+          - const: allwinner,sun6i-a31-i2c
+      - items:
+          - const: allwinner,sun50i-a64-i2c
+          - const: allwinner,sun6i-a31-i2c
+
+      - const: marvell,mv64xxx-i2c
+      - const: marvell,mv78230-i2c
+      - const: marvell,mv78230-a0-i2c
+
+    description:
+      Only use "marvell,mv78230-a0-i2c" for a very rare, initial
+      version of the SoC which had broken offload support. Linux
+      auto-detects this and sets it appropriately.
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    minItems: 1
+    maxItems: 2
+    items:
+      - description: Reference clock for the I2C bus
+      - description: Bus clock (Only for Armada 7K/8K)
+
+  clock-names:
+    minItems: 1
+    maxItems: 2
+    items:
+      - const: core
+      - const: reg
+    description:
+      Mandatory if two clocks are used (only for Armada 7k and 8k).
+
+  resets:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+
+allOf:
+  - $ref: /schemas/i2c/i2c-controller.yaml#
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - allwinner,sun4i-a10-i2c
+              - allwinner,sun6i-a31-i2c
+
+    then:
+      required:
+        - clocks
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: allwinner,sun6i-a31-i2c
+
+    then:
+      required:
+        - resets
+
+# FIXME: We should set it, but it would report all the generic
+# properties as additional properties.
+# additionalProperties: false
+
+examples:
+  - |
+    i2c@11000 {
+        compatible = "marvell,mv64xxx-i2c";
+        reg = <0x11000 0x20>;
+        interrupts = <29>;
+        clock-frequency = <100000>;
+    };
+
+  - |
+    i2c@11000 {
+        compatible = "marvell,mv78230-i2c", "marvell,mv64xxx-i2c";
+        reg = <0x11000 0x100>;
+        interrupts = <29>;
+        clock-frequency = <100000>;
+    };
+
+  - |
+    i2c@701000 {
+        compatible = "marvell,mv78230-i2c";
+        reg = <0x701000 0x20>;
+        interrupts = <29>;
+        clock-frequency = <100000>;
+        clock-names = "core", "reg";
+        clocks = <&core_clock>, <&reg_clock>;
+    };
+
+...