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diff --git a/Documentation/devicetree/bindings/sound/mediatek,mt8173-afe-pcm.yaml b/Documentation/devicetree/bindings/sound/mediatek,mt8173-afe-pcm.yaml
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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/mediatek,mt8173-afe-pcm.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Mediatek AFE PCM controller for MT8173
+
+maintainers:
+  - Trevor Wu <trevor.wu@mediatek.com>
+
+properties:
+  compatible:
+    const: mediatek,mt8173-afe-pcm
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    items:
+      - description: audio infra sys clock
+      - description: audio top mux
+      - description: audio intbus mux
+      - description: apll1 clock
+      - description: apll2 clock
+      - description: i2s0 mclk mux
+      - description: i2s1 mclk mux
+      - description: i2s2 mclk mux
+      - description: i2s3 mclk mux
+      - description: i2s3 bclk mux
+
+  clock-names:
+    items:
+      - const: infra_sys_audio_clk
+      - const: top_pdn_audio
+      - const: top_pdn_aud_intbus
+      - const: bck0
+      - const: bck1
+      - const: i2s0_m
+      - const: i2s1_m
+      - const: i2s2_m
+      - const: i2s3_m
+      - const: i2s3_b
+
+  power-domains:
+    maxItems: 1
+
+  memory-region:
+    description: memory region for audio DMA buffers
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+  - clock-names
+  - power-domains
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/mt8173-clk.h>
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/interrupt-controller/irq.h>
+    #include <dt-bindings/power/mt8173-power.h>
+
+    mt8173-afe-pcm@11220000 {
+        compatible = "mediatek,mt8173-afe-pcm";
+        reg = <0x11220000 0x1000>;
+        interrupts = <GIC_SPI 134 IRQ_TYPE_EDGE_FALLING>;
+        power-domains = <&spm MT8173_POWER_DOMAIN_AUDIO>;
+        clocks = <&infracfg CLK_INFRA_AUDIO>,
+                 <&topckgen CLK_TOP_AUDIO_SEL>,
+                 <&topckgen CLK_TOP_AUD_INTBUS_SEL>,
+                 <&topckgen CLK_TOP_APLL1_DIV0>,
+                 <&topckgen CLK_TOP_APLL2_DIV0>,
+                 <&topckgen CLK_TOP_I2S0_M_SEL>,
+                 <&topckgen CLK_TOP_I2S1_M_SEL>,
+                 <&topckgen CLK_TOP_I2S2_M_SEL>,
+                 <&topckgen CLK_TOP_I2S3_M_SEL>,
+                 <&topckgen CLK_TOP_I2S3_B_SEL>;
+         clock-names = "infra_sys_audio_clk",
+                       "top_pdn_audio",
+                       "top_pdn_aud_intbus",
+                       "bck0",
+                       "bck1",
+                       "i2s0_m",
+                       "i2s1_m",
+                       "i2s2_m",
+                       "i2s3_m",
+                       "i2s3_b";
+          memory-region = <&afe_dma_mem>;
+    };