1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) 2%YAML 1.2 3--- 4$id: "http://devicetree.org/schemas/remoteproc/fsl,imx-rproc.yaml#" 5$schema: "http://devicetree.org/meta-schemas/core.yaml#" 6 7title: NXP iMX6SX/iMX7D Co-Processor Bindings 8 9description: 10 This binding provides support for ARM Cortex M4 Co-processor found on some NXP iMX SoCs. 11 12maintainers: 13 - Peng Fan <peng.fan@nxp.com> 14 15properties: 16 compatible: 17 enum: 18 - fsl,imx7d-cm4 19 - fsl,imx6sx-cm4 20 21 clocks: 22 maxItems: 1 23 24 syscon: 25 $ref: /schemas/types.yaml#/definitions/phandle 26 description: 27 Phandle to syscon block which provide access to System Reset Controller 28 29 memory-region: 30 description: 31 If present, a phandle for a reserved memory area that used for vdev buffer, 32 resource table, vring region and others used by remote processor. 33 minItems: 1 34 maxItems: 32 35 36required: 37 - compatible 38 - clocks 39 - syscon 40 41additionalProperties: false 42 43examples: 44 - | 45 #include <dt-bindings/clock/imx7d-clock.h> 46 m4_reserved_sysmem1: cm4@80000000 { 47 reg = <0x80000000 0x80000>; 48 }; 49 50 m4_reserved_sysmem2: cm4@81000000 { 51 reg = <0x81000000 0x80000>; 52 }; 53 54 imx7d-cm4 { 55 compatible = "fsl,imx7d-cm4"; 56 memory-region = <&m4_reserved_sysmem1>, <&m4_reserved_sysmem2>; 57 syscon = <&src>; 58 clocks = <&clks IMX7D_ARM_M4_ROOT_CLK>; 59 }; 60 61... 62