Yo, On Tue, Sep 19, 2023 at 01:33:16PM +0800, Chen Wang wrote: > Hi, I am working on writing dts for a new SOC - SG2042, you can see > the changes on https://github.com/unicornx/linux-riscv/commit/ee862fc4ebeade32bff00ad014d6b0513c0942a7. > This hardware uses a NUMA architecture, so a "distance-map" node is > added and several "numa-node-id" are added for cpu/memory. The problem > is I find there is no YAML binding for numa, I only find > "Documentation/devicetree/bindings/numa.txt". To pass dtb check I want > to convert the txt to yaml file. > > My question is: how to handle the "numa-node-id" which is listed in > the numa.txt file. To my understanding, due to cpu/memory node need to > contain this property. I should find some binding files for cpu/memory > and add "numa-node-id" for cpu/memory. > For "cpu", I find a > "Documentation/devicetree/bindings/riscv/cpus.yaml", where I think I > can add a property of "numa-node-id" to. Note the SG2042 is a RISC-V > chip. > But for "memory", where should I add "numa-node-id" definition to? Is it not already present in dt-schema? https://github.com/search?q=repo%3Adevicetree-org%2Fdt-schema%20numa-node-id&type=code Cheers, Conor.
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