Add C906L remote processor for CV1800B SoC, which is an asymmetric processor typically running RTOS.
Signed-off-by: Junhui Liu <[email protected]> --- .../bindings/remoteproc/sophgo,cv1800b-c906l.yaml | 79 ++++++++++++++++++++++ 1 file changed, 79 insertions(+) diff --git a/Documentation/devicetree/bindings/remoteproc/sophgo,cv1800b-c906l.yaml b/Documentation/devicetree/bindings/remoteproc/sophgo,cv1800b-c906l.yaml new file mode 100644 index 0000000000000000000000000000000000000000..2061c2fd6ba343c09b1a91700ea4a695d2b57f81 --- /dev/null +++ b/Documentation/devicetree/bindings/remoteproc/sophgo,cv1800b-c906l.yaml @@ -0,0 +1,79 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/remoteproc/sophgo,cv1800b-c906l.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Sophgo C906L remote processor controller for CV1800B SoC + +maintainers: + - Junhui Liu <[email protected]> + +description: + Document the bindings for the C906L remoteproc component that loads and boots + firmwares on the CV1800B SoC. + +properties: + compatible: + const: sophgo,cv1800b-c906l + + firmware-name: + maxItems: 1 + + mbox-names: + items: + - const: tx + - const: rx + + mboxes: + description: + This property is required only if the rpmsg/virtio functionality is used. + (see mailbox/sophgo,cv1800b-mailbox.yaml) + items: + - description: mailbox channel to send data to C906L + - description: mailbox channel to receive data from C906L + + memory-region: + description: + List of phandles to reserved memory regions used by the remote processor. + The first region is required and provides the firmware region for the + remote processor. The following regions (vdev buffer, vrings) are optional + and are only required if rpmsg/virtio functionality is used. + minItems: 1 + items: + - description: firmware region + - description: vdev buffer + - description: vring0 + - description: vring1 + additionalItems: true + + resets: + maxItems: 1 + + sophgo,syscon: + $ref: /schemas/types.yaml#/definitions/phandle + description: + A phandle to the SEC_SYS region, used for configuration of the remote + processor. + +required: + - compatible + - firmware-name + - memory-region + - resets + - sophgo,syscon + +additionalProperties: false + +examples: + - | + c906l-rproc { + compatible = "sophgo,cv1800b-c906l"; + firmware-name = "c906l-firmware.elf"; + mbox-names = "tx", "rx"; + mboxes = <&mbox 0 2>, <&mbox 1 1>; + memory-region = <&c906l_mem>, <&vdev0buffer>, + <&vdev0vring0>, <&vdev0vring1>; + resets = <&rst 294>; + sophgo,syscon = <&sec_sys>; + }; -- 2.50.1
