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diff --git a/Documentation/devicetree/bindings/mmc/amlogic,meson-gx-mmc.yaml b/Documentation/devicetree/bindings/mmc/amlogic,meson-gx-mmc.yaml
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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mmc/amlogic,meson-gx-mmc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Amlogic SD / eMMC controller for S905/GXBB family SoCs
+
+description:
+  The MMC 5.1 compliant host controller on Amlogic provides the
+  interface for SD, eMMC and SDIO devices
+
+maintainers:
+  - Neil Armstrong <neil.armstrong@linaro.org>
+
+allOf:
+  - $ref: mmc-controller.yaml#
+
+properties:
+  compatible:
+    oneOf:
+      - const: amlogic,meson-axg-mmc
+      - items:
+          - const: amlogic,meson-gx-mmc
+          - const: amlogic,meson-gxbb-mmc
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    minItems: 1
+    items:
+      - description: mmc controller instance
+      - description: card detect
+
+  clocks:
+    maxItems: 3
+
+  clock-names:
+    items:
+      - const: core
+      - const: clkin0
+      - const: clkin1
+
+  resets:
+    maxItems: 1
+
+  amlogic,dram-access-quirk:
+    type: boolean
+    description:
+      set when controller's internal DMA engine cannot access the DRAM memory,
+      like on the G12A dedicated SDIO controller.
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+  - clock-names
+  - resets
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    mmc@70000 {
+        compatible = "amlogic,meson-gx-mmc", "amlogic,meson-gxbb-mmc";
+        reg = <0x70000 0x2000>;
+        interrupts = <GIC_SPI 216 IRQ_TYPE_EDGE_RISING>;
+        clocks = <&clk_mmc>, <&xtal>, <&clk_div>;
+        clock-names = "core", "clkin0", "clkin1";
+        pinctrl-0 = <&emm_pins>;
+        resets = <&reset_mmc>;
+    };