3 files changed, 99 insertions, 5 deletions
diff --git a/dts/Bindings/dsp/fsl,dsp.yaml b/dts/Bindings/dsp/fsl,dsp.yaml
index e66ef2da78..9af40da568 100644
--- a/dts/Bindings/dsp/fsl,dsp.yaml
+++ b/dts/Bindings/dsp/fsl,dsp.yaml
@@ -20,6 +20,7 @@ properties:
       - fsl,imx8qxp-dsp
       - fsl,imx8qm-dsp
       - fsl,imx8mp-dsp
+      - fsl,imx8ulp-dsp
       - fsl,imx8qxp-hifi4
       - fsl,imx8qm-hifi4
       - fsl,imx8mp-hifi4
diff --git a/dts/Bindings/dsp/mediatek,mt8186-dsp.yaml b/dts/Bindings/dsp/mediatek,mt8186-dsp.yaml
new file mode 100644
index 0000000000..88575da1e6
--- /dev/null
+++ b/dts/Bindings/dsp/mediatek,mt8186-dsp.yaml
@@ -0,0 +1,93 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/dsp/mediatek,mt8186-dsp.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MediaTek mt8186 DSP core
+
+maintainers:
+  - Tinghan Shen <tinghan.shen@mediatek.com>
+
+description: |
+  MediaTek mt8186 SoC contains a DSP core used for
+  advanced pre- and post- audio processing.
+
+properties:
+  compatible:
+    enum:
+      - mediatek,mt8186-dsp
+      - mediatek,mt8188-dsp
+
+  reg:
+    items:
+      - description: Address and size of the DSP config registers
+      - description: Address and size of the DSP SRAM
+      - description: Address and size of the DSP secure registers
+      - description: Address and size of the DSP bus registers
+
+  reg-names:
+    items:
+      - const: cfg
+      - const: sram
+      - const: sec
+      - const: bus
+
+  clocks:
+    items:
+      - description: mux for audio dsp clock
+      - description: mux for audio dsp local bus
+
+  clock-names:
+    items:
+      - const: audiodsp
+      - const: adsp_bus
+
+  power-domains:
+    maxItems: 1
+
+  mboxes:
+    items:
+      - description: mailbox for receiving audio DSP requests.
+      - description: mailbox for transmitting requests to audio DSP.
+
+  mbox-names:
+    items:
+      - const: rx
+      - const: tx
+
+  memory-region:
+    items:
+      - description: dma buffer between host and DSP.
+      - description: DSP system memory.
+
+required:
+  - compatible
+  - reg
+  - reg-names
+  - clocks
+  - clock-names
+  - power-domains
+  - mbox-names
+  - mboxes
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/mt8186-clk.h>
+    dsp@10680000 {
+        compatible = "mediatek,mt8186-dsp";
+        reg = <0x10680000 0x2000>,
+              <0x10800000 0x100000>,
+              <0x1068b000 0x100>,
+              <0x1068f000 0x1000>;
+        reg-names = "cfg", "sram", "sec", "bus";
+        clocks = <&topckgen CLK_TOP_AUDIODSP>,
+                 <&topckgen CLK_TOP_ADSP_BUS>;
+        clock-names = "audiodsp",
+                      "adsp_bus";
+        power-domains = <&spm 6>;
+        mbox-names = "rx", "tx";
+        mboxes = <&adsp_mailbox0>, <&adsp_mailbox1>;
+    };
diff --git a/dts/Bindings/dsp/mediatek,mt8195-dsp.yaml b/dts/Bindings/dsp/mediatek,mt8195-dsp.yaml
index b7e68b0dfa..ca8d8661f8 100644
--- a/dts/Bindings/dsp/mediatek,mt8195-dsp.yaml
+++ b/dts/Bindings/dsp/mediatek,mt8195-dsp.yaml
@@ -50,13 +50,13 @@ properties:
 
   mboxes:
     items:
-      - description: ipc reply between host and audio DSP.
-      - description: ipc request between host and audio DSP.
+      - description: mailbox for receiving audio DSP requests.
+      - description: mailbox for transmitting requests to audio DSP.
 
   mbox-names:
     items:
-      - const: mbox0
-      - const: mbox1
+      - const: rx
+      - const: tx
 
   memory-region:
     items:
@@ -100,6 +100,6 @@ examples:
        memory-region = <&adsp_dma_mem_reserved>,
                        <&adsp_mem_reserved>;
        power-domains = <&spm 6>; //MT8195_POWER_DOMAIN_ADSP
-       mbox-names = "mbox0", "mbox1";
+       mbox-names = "rx", "tx";
        mboxes = <&adsp_mailbox0>, <&adsp_mailbox1>;
     };