On 11/06/2025 17:01, Chen Wang wrote:
> On 2025/6/8 10:37, Junhui Liu wrote:
>> Add C906L remote processor for CV1800B SoC, which is an asymmetric
>> processor typically running RTOS.
>
> In the cover email, I saw that remoteproc also uses mailbox as the
> underlying communication. So I guess some mailbox-related properties
> will need to be added to the bindings? I suggest that these should be
> determined before officially merging this bindings.
Yes, thanks for your suggestion. I will try to add mailbox-related
properties and functions in the bindings and driver in v2, since the
mailbox driver has been merged. At the very least, I will ensure the
mailbox-related properties are included in the bindings.
>
> Thanks，
>
> Chen
>
>>
>> Signed-off-by: Junhui Liu <junhui....@pigmoral.tech>
>> ---
>> .../bindings/remoteproc/sophgo,cv1800b-c906l.yaml | 68
>> ++++++++++++++++++++++
>> 1 file changed, 68 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..455e957dec01c16424c49ebe5ef451883b0c3d4a
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/remoteproc/sophgo,cv1800b-c906l.yaml
>> @@ -0,0 +1,68 @@
>> +# 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 <junhui....@pigmoral.tech>
>> +
>> +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:
>> + $ref: /schemas/types.yaml#/definitions/string
>> + description:
>> + The name of the firmware file to load for this remote processor,
>> relative
>> + to the firmware search path (typically /lib/firmware/).
>> +
>> + memory-region:
>> + description:
>> + Phandle to a reserved memory region that is used to load the firmware
>> for
>> + this remote processor. The remote processor will use this memory
>> region
>> + as its execution memory.
>> +
>> + 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:
>> + - |
>> + reserved-memory {
>> + #address-cells = <1>;
>> + #size-cells = <1>;
>> + ranges;
>> +
>> + c906l_mem: region@83f40000 {
>> + reg = <0x83f40000 0xc0000>;
>> + no-map;
>> + };
>> + };
>> +
>> + c906l-rproc {
>> + compatible = "sophgo,cv1800b-c906l";
>> + firmware-name = "c906l-firmware.elf";
>> + memory-region = <&c906l_mem>;
>> + resets = <&rst 294>;
>> + sophgo,syscon = <&sec_sys>;
>> + };
>>
--
Best regards,
Junhui Liu
