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diff --git a/Bindings/dma/fsl,imx-sdma.yaml b/Bindings/dma/fsl,imx-sdma.yaml
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+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/dma/fsl,imx-sdma.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Freescale Smart Direct Memory Access (SDMA) Controller for i.MX
+
+maintainers:
+ - Joy Zou <joy.zou@nxp.com>
+
+allOf:
+ - $ref: dma-controller.yaml#
+
+properties:
+ compatible:
+ oneOf:
+ - items:
+ - enum:
+ - fsl,imx50-sdma
+ - fsl,imx51-sdma
+ - fsl,imx53-sdma
+ - fsl,imx6q-sdma
+ - fsl,imx7d-sdma
+ - const: fsl,imx35-sdma
+ - items:
+ - enum:
+ - fsl,imx6sx-sdma
+ - fsl,imx6sl-sdma
+ - const: fsl,imx6q-sdma
+ - items:
+ - const: fsl,imx6ul-sdma
+ - const: fsl,imx6q-sdma
+ - const: fsl,imx35-sdma
+ - items:
+ - const: fsl,imx6sll-sdma
+ - const: fsl,imx6ul-sdma
+ - items:
+ - const: fsl,imx8mq-sdma
+ - const: fsl,imx7d-sdma
+ - items:
+ - enum:
+ - fsl,imx8mp-sdma
+ - fsl,imx8mn-sdma
+ - fsl,imx8mm-sdma
+ - const: fsl,imx8mq-sdma
+ - items:
+ - enum:
+ - fsl,imx25-sdma
+ - fsl,imx31-sdma
+ - fsl,imx35-sdma
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ fsl,sdma-ram-script-name:
+ $ref: /schemas/types.yaml#/definitions/string
+ description: Should contain the full path of SDMA RAM scripts firmware.
+
+ "#dma-cells":
+ const: 3
+ description: |
+ The first cell: request/event ID
+
+ The second cell: peripheral types ID
+ enum:
+ - MCU domain SSI: 0
+ - Shared SSI: 1
+ - MMC: 2
+ - SDHC: 3
+ - MCU domain UART: 4
+ - Shared UART: 5
+ - FIRI: 6
+ - MCU domain CSPI: 7
+ - Shared CSPI: 8
+ - SIM: 9
+ - ATA: 10
+ - CCM: 11
+ - External peripheral: 12
+ - Memory Stick Host Controller: 13
+ - Shared Memory Stick Host Controller: 14
+ - DSP: 15
+ - Memory: 16
+ - FIFO type Memory: 17
+ - SPDIF: 18
+ - IPU Memory: 19
+ - ASRC: 20
+ - ESAI: 21
+ - SSI Dual FIFO: 22
+ description: needs firmware more than ver 2
+ - Shared ASRC: 23
+ - SAI: 24
+ - HDMI Audio: 25
+
+ The third cell: transfer priority ID
+ enum:
+ - High: 0
+ - Medium: 1
+ - Low: 2
+
+ gpr:
+ $ref: /schemas/types.yaml#/definitions/phandle
+ description: The phandle to the General Purpose Register (GPR) node
+
+ fsl,sdma-event-remap:
+ $ref: /schemas/types.yaml#/definitions/uint32-matrix
+ maxItems: 2
+ items:
+ items:
+ - description: GPR register offset
+ - description: GPR register shift
+ - description: GPR register value
+ description: |
+ Register bits of sdma event remap, the format is <reg shift val>.
+ The order is <RX>, <TX>.
+
+ clocks:
+ maxItems: 2
+
+ clock-names:
+ items:
+ - const: ipg
+ - const: ahb
+
+ iram:
+ $ref: /schemas/types.yaml#/definitions/phandle
+ description: The phandle to the On-chip RAM (OCRAM) node.
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - fsl,sdma-ram-script-name
+
+additionalProperties: false
+
+examples:
+ - |
+ sdma: dma-controller@83fb0000 {
+ compatible = "fsl,imx51-sdma", "fsl,imx35-sdma";
+ reg = <0x83fb0000 0x4000>;
+ interrupts = <6>;
+ #dma-cells = <3>;
+ fsl,sdma-ram-script-name = "sdma-imx51.bin";
+ };
+
+...