1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
4 $id: "http://devicetree.org/schemas/remoteproc/fsl,imx-rproc.yaml#"
5 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
7 title: NXP i.MX Co-Processor Bindings
10 This binding provides support for ARM Cortex M4 Co-processor found on some NXP iMX SoCs.
13 - Peng Fan <peng.fan@nxp.com>
31 $ref: /schemas/types.yaml#/definitions/phandle
33 Phandle to syscon block which provide access to System Reset Controller
43 This property is required only if the rpmsg/virtio functionality is used.
44 List of <&phandle type channel> - 1 channel for TX, 1 channel for RX, 1 channel for RXDB.
45 (see mailbox/fsl,mu.yaml)
51 If present, a phandle for a reserved memory area that used for vdev buffer,
52 resource table, vring region and others used by remote processor.
57 $ref: /schemas/types.yaml#/definitions/flag
59 Indicate whether need to load the default firmware and start the remote
60 processor automatically.
65 additionalProperties: false
69 #include <dt-bindings/clock/imx7d-clock.h>
70 m4_reserved_sysmem1: cm4@80000000 {
71 reg = <0x80000000 0x80000>;
74 m4_reserved_sysmem2: cm4@81000000 {
75 reg = <0x81000000 0x80000>;
79 compatible = "fsl,imx7d-cm4";
80 memory-region = <&m4_reserved_sysmem1>, <&m4_reserved_sysmem2>;
82 clocks = <&clks IMX7D_ARM_M4_ROOT_CLK>;
86 #include <dt-bindings/clock/imx8mm-clock.h>
89 compatible = "fsl,imx8mm-cm4";
90 clocks = <&clk IMX8MM_CLK_M4_DIV>;
91 mbox-names = "tx", "rx", "rxdb";
95 memory-region = <&vdev0buffer>, <&vdev0vring0>, <&vdev0vring1>, <&rsc_table>;