Resguardo inicial

2026-09-06 12:53:21 -06:00
parent 662efe3c2a
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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mailbox/mediatek,mt8196-vcp-mbox.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MediaTek Video Companion Processor (VCP) mailbox
+
+maintainers:
+  - Jjian Zhou <Jjian.Zhou@mediatek.com>
+
+description:
+  The MTK VCP mailbox enables the SoC to communicate with the VCP by passing
+  messages through 64 32-bit wide registers. It has 32 interrupt vectors in
+  either direction for signalling purposes.
+
+properties:
+  compatible:
+    enum:
+      - mediatek,mt8196-vcp-mbox
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  "#mbox-cells":
+    const: 0
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - "#mbox-cells"
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/interrupt-controller/irq.h>
+
+    mailbox@31b80000 {
+        compatible = "mediatek,mt8196-vcp-mbox";
+        reg = <0x31b80000 0x1000>;
+        interrupts = <GIC_SPI 789 IRQ_TYPE_LEVEL_HIGH 0>;
+        #mbox-cells = <0>;
+    };