[PATCH 1/3] dt-bindings: vdec: Add binding document of Amlogic decoder accelerator

[Zhentao Guo via B4 Relay]

From: Zhentao Guo <zhentao.guo at amlogic.com>

Add dt-binding of the Amlogic hardware decoder accelerator.

Signed-off-by: Zhentao Guo <zhentao.guo at amlogic.com>
---
 .../bindings/media/amlogic,vcodec-dec.yaml         | 96 ++++++++++++++++++++++
 1 file changed, 96 insertions(+)

diff --git a/Documentation/devicetree/bindings/media/amlogic,vcodec-dec.yaml b/Documentation/devicetree/bindings/media/amlogic,vcodec-dec.yaml
new file mode 100644
index 000000000000..6cea8af72639
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/amlogic,vcodec-dec.yaml
@@ -0,0 +1,96 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright (C) 2025 Amlogic, Inc. All rights reserved
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/media/amlogic,vcodec-dec.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Amlogic Video Decode Accelerator
+
+maintainers:
+  - Zhentao Guo <zhentao.guo at amlogic.com>
+
+description: |
+  The Video Decoder Accelerator present on Amlogic SOCs.
+  It supports stateless h264 decoding.
+
+properties:
+  compatible:
+    const: amlogic,s4-vcodec-dec
+
+  reg:
+    maxItems: 2
+
+  reg-names:
+    items:
+      - const: dosbus
+      - const: dmcbus
+
+  interrupts:
+    maxItems: 3
+
+  interrupt-names:
+    items:
+      - const: mailbox_0
+      - const: mailbox_1
+      - const: mailbox_2
+
+  clocks:
+    maxItems: 3
+
+  clock-names:
+    items:
+      - const: vdec
+      - const: clk_vdec_mux
+      - const: clk_hevcf_mux
+
+  power-domains:
+    maxItems: 2
+
+  power-domain-names:
+    items:
+      - const: pwrc-vdec
+      - const: pwrc-hevc
+
+required:
+  - compatible
+  - reg
+  - reg-names
+  - interrupts
+  - interrupt-names
+  - clocks
+  - clock-names
+  - power-domains
+  - power-domain-names
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/clock/amlogic,s4-pll-clkc.h>
+    #include <dt-bindings/clock/amlogic,s4-peripherals-clkc.h>
+    #include <dt-bindings/power/meson-s4-power.h>
+    video-codec at fe320000 {
+      compatible = "amlogic,s4-vcodec-dec";
+      reg = <0xfe320000 0x10000>,
+            <0xfe036000 0x2000>;
+      reg-names = "dosbus",
+                  "dmcbus";
+      interrupts = <GIC_SPI 91 IRQ_TYPE_EDGE_RISING>,
+                   <GIC_SPI 92 IRQ_TYPE_EDGE_RISING>,
+                   <GIC_SPI 93 IRQ_TYPE_EDGE_RISING>;
+      interrupt-names = "mailbox_0",
+                        "mailbox_1",
+                        "mailbox_2";
+      clocks = <&clkc_periphs CLKID_DOS>,
+               <&clkc_periphs CLKID_VDEC_SEL>,
+               <&clkc_periphs CLKID_HEVCF_SEL>;
+      clock-names = "vdec",
+                    "clk_vdec_mux",
+                    "clk_hevcf_mux";
+      power-domains = <&pwrc PWRC_S4_DOS_VDEC_ID>,
+                      <&pwrc PWRC_S4_DOS_HEVC_ID>;
+      power-domain-names = "pwrc-vdec",
+                           "pwrc-hevc";
+    };

-- 
2.42.0