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SubjectRe: [PATCH 3/7] dt-bindings: remoteproc: Add bindings for R5F subsystem on TI K3 SoCs
On Tue, 24 Mar 2020 15:18:15 -0500, Suman Anna wrote:
> The Texas Instruments K3 family of SoCs have one or more dual-core
> Arm Cortex R5F processor subsystems/clusters (R5FSS). The clusters
> can be split between multiple voltage domains as well. Add the device
> tree bindings document for these R5F subsystem devices. These R5F
> processors do not have an MMU, and so require fixed memory carveout
> regions matching the firmware image addresses. The nodes require more
> than one memory region, with the first memory region used for DMA
> allocations at runtime. The remaining memory regions are reserved
> and are used for the loading and running of the R5F remote processors.
> The R5F processors can also optionally use any internal on-chip SRAM
> memories either for executing code or using it as fast-access data.
> The added example illustrates the DT nodes for the single R5FSS device
> present on K3 AM65x family of SoCs.
> Signed-off-by: Suman Anna <>
> ---
> Hi Rob,
> The dt_bindings_check seems to throw couple of warnings around the
> usage of ranges because the tooling is adding the #address-cells
> and #size-cells of 1 by default, whereas our actual code uses 2.
> No issues are found with dtbs_check.
> regards
> Suman
> .../bindings/remoteproc/ti,k3-r5f-rproc.yaml | 338 ++++++++++++++++++
> 1 file changed, 338 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/remoteproc/ti,k3-r5f-rproc.yaml

My bot found errors running 'make dt_binding_check' on your patch:

Documentation/devicetree/bindings/remoteproc/ti,k3-r5f-rproc.example.dts:23.13-20: Warning (ranges_format): /example-0/reserved-memory:ranges: empty "ranges" property but its #address-cells (2) differs from /example-0 (1)
Documentation/devicetree/bindings/remoteproc/ti,k3-r5f-rproc.example.dts:23.13-20: Warning (ranges_format): /example-0/reserved-memory:ranges: empty "ranges" property but its #size-cells (2) differs from /example-0 (1)
Documentation/devicetree/bindings/remoteproc/ti,k3-r5f-rproc.example.dts:54.13-56.72: Warning (ranges_format): /example-0/interconnect@100000:ranges: "ranges" property has invalid length (72 bytes) (parent #address-cells == 1, child #address-cells == 2, #size-cells == 2)
/builds/robherring/linux-dt-review/Documentation/devicetree/bindings/remoteproc/ti,k3-r5f-rproc.example.dt.yaml: interconnect@100000: $nodename:0: 'interconnect@100000' does not match '^(bus|soc|axi|ahb|apb)(@[0-9a-f]+)?$'
/builds/robherring/linux-dt-review/Documentation/devicetree/bindings/remoteproc/ti,k3-r5f-rproc.example.dt.yaml: interconnect@28380000: $nodename:0: 'interconnect@28380000' does not match '^(bus|soc|axi|ahb|apb)(@[0-9a-f]+)?$'
/builds/robherring/linux-dt-review/Documentation/devicetree/bindings/remoteproc/ti,k3-r5f-rproc.example.dt.yaml: mcu-ram@41c00000: 'r5f-sram@0' does not match any of the regexes: '^([a-z]*-)?sram(-section)?@[a-f0-9]+$', 'pinctrl-[0-9]+'
/builds/robherring/linux-dt-review/Documentation/devicetree/bindings/remoteproc/ti,k3-r5f-rproc.example.dt.yaml: mcu-ram@41c00000: $nodename:0: 'mcu-ram@41c00000' does not match '^sram(@.*)?'


If you already ran 'make dt_binding_check' and didn't see the above
error(s), then make sure dt-schema is up to date:

pip3 install git+ --upgrade

Please check and re-submit.

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