dt-bindings: mmc: Convert TI OMAP2420 MMC to DT schema

Convert the Texas Instruments MMC host controller bindings
to DT schema.

Note that the OMAP2420 driver will not work with OMAP2430 or later omaps.
Please see the OMAP HSMMC driver for current OMAPs.

Signed-off-by: Eduard Bostina <egbostina@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Ulf Hansson <ulfh@kernel.org>

Documentation/devicetree/bindings/mmc/ti,omap2420-mmc.yaml

@@ -0,0 +1,60 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mmc/ti,omap2420-mmc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Texas Instruments MMC host controller for OMAP1 and 2420
+
+maintainers:
+  - Eduard Bostina <egbostina@gmail.com>
+
+description: |
+  The MMC Host Controller on TI OMAP1 and 2420 family provides
+  an interface for MMC, SD, and SDIO types of memory cards.
+
+allOf:
+  - $ref: /schemas/mmc/mmc-controller.yaml#
+
+properties:
+  compatible:
+    const: ti,omap2420-mmc
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  ti,hwmods:
+    description: |
+      Name of the hwmod associated to the MMC controller. Must be
+      "msdi<n>" where n is the controller instance starting from 1.
+    $ref: /schemas/types.yaml#/definitions/string
+    pattern: "^msdi([1-9]|[1-9][0-9]+)$"
+
+  dmas:
+    maxItems: 2
+
+  dma-names:
+    items:
+      - const: tx
+      - const: rx
+
+required:
+  - compatible
+  - reg
+  - interrupts
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    mmc@4809c000 {
+        compatible = "ti,omap2420-mmc";
+        ti,hwmods = "msdi1";
+        reg = <0x4809c000 0x80>;
+        interrupts = <83>;
+        dmas = <&sdma 61 &sdma 62>;
+        dma-names = "tx", "rx";
+    };

Documentation/devicetree/bindings/mmc/ti-omap.txt

@@ -1,26 +0,0 @@
-* TI MMC host controller for OMAP1 and 2420
-
-The MMC Host Controller on TI OMAP1 and 2420 family provides
-an interface for MMC, SD, and SDIO types of memory cards.
-
-This file documents differences between the core properties described
-by mmc.txt and the properties used by the omap mmc driver.
-
-Note that this driver will not work with omap2430 or later omaps,
-please see the omap hsmmc driver for the current omaps.
-
-Required properties:
-- compatible: Must be "ti,omap2420-mmc", for OMAP2420 controllers
-- ti,hwmods: For 2420, must be "msdi<n>", where n is controller
-  instance starting 1
-
-Examples:
-
-	msdi1: mmc@4809c000 {
-		compatible = "ti,omap2420-mmc";
-		ti,hwmods = "msdi1";
-		reg = <0x4809c000 0x80>;
-		interrupts = <83>;
-		dmas = <&sdma 61 &sdma 62>;
-		dma-names = "tx", "rx";
-	};