[PATCH v4 20/37] dt-bindings: interrupt-controller: renesas,sh7751-irl-ext: Add json-schema

Renesas SH7751 external interrupt encoder json-schema.

Signed-off-by: Yoshinori Sato <[email protected]>
---
 .../renesas,sh7751-irl-ext.yaml               | 83 +++++++++++++++++++
 1 file changed, 83 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/interrupt-controller/renesas,sh7751-irl-ext.yaml

diff --git a/Documentation/devicetree/bindings/interrupt-controller/renesas,sh7751-irl-ext.yaml b/Documentation/devicetree/bindings/interrupt-controller/renesas,sh7751-irl-ext.yaml
new file mode 100644
index 000000000000..ba4fe2e4d749
--- /dev/null
+++ b/Documentation/devicetree/bindings/interrupt-controller/renesas,sh7751-irl-ext.yaml
@@ -0,0 +1,83 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/interrupt-controller/renesas,sh7751-irl-ext.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Renesas SH7751 IRL external encoder with enable regs.
+
+maintainers:
+  - Yoshinori Sato <[email protected]>
+
+description: |
+  This is the generally used external interrupt encoder on SH7751 based boards.
+
+properties:
+  compatible:
+    items:
+      - const: renesas,sh7751-irl-ext
+
+  reg:
+    minItems: 1
+
+  interrupt-controller: true
+
+  '#interrupt-cells':
+    const: 1
+
+  '#address-cells':
+    const: 0
+
+  '#size-cells':
+    const: 0
+
+  renesas,width:
+    description: Enable register width
+    $ref: /schemas/types.yaml#/definitions/uint32
+    enum: [8, 16, 32]
+
+  renesas,set-to-disable:
+    $ref: /schemas/types.yaml#/definitions/flag
+    description: Setting this flag to 1 disables it.
+
+  renesas,enable-bit:
+    $ref: /schemas/types.yaml#/definitions/uint32-array
+    description: |
+      IRL enable register bit mapping
+      1st word IRL
+      2nd word bit index of enable register
+
+required:
+  - compatible
+  - reg
+  - interrupt-controller
+  - '#interrupt-cells'
+  - renesas,width
+  - renesas,enable-bit
+
+additionalProperties: false
+
+examples:
+  - |
+    r2dintc: sh7751irl_encoder@a4000000 {
+        compatible = "renesas,sh7751-irl-ext";
+        reg = <0xa4000000 0x02>;
+        interrupt-controller;
+        #address-cells = <0>;
+        #size-cells = <0>;
+        #interrupt-cells = <1>;
+        renesas,width = <16>;
+        renesas,enable-bit = <0 11>,            /* PCI INTD */
+                             <1 9>,             /* CF IDE */
+                             <2 8>,             /* CF CD */
+                             <3 12>,            /* PCI INTC */
+                             <4 10>,            /* SM501 */
+                             <5 6>,             /* KEY */
+                             <6 5>,             /* RTC ALARM */
+                             <7 4>,             /* RTC T */
+                             <8 7>,             /* SDCARD */
+                             <9 14>,            /* PCI INTA */
+                             <10 13>,           /* PCI INTB */
+                             <11 0>,            /* EXT */
+                             <12 15>;           /* TP */
+    };
-- 
2.39.2