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 <s-anna@xxxxxx> > --- > 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(@.*)?' See https://patchwork.ozlabs.org/patch/1260966 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+https://github.com/devicetree-org/dt-schema.git@master --upgrade Please check and re-submit.
