[PATCH v4 08/14] lib: utils/timer: Add Andes fdt timer support

Samuel Holland samuel at sholland.org
Sun Oct 16 12:15:42 PDT 2022


On 10/13/22 19:32, Yu Chien Peter Lin wrote:
> Since we can get the PLMT base address and timer frequency from
> device tree, move plmt timer device to fdt timer framework.
> 
> dts example (Quad-core AX45MP):
> 
>   cpus {
>       ...
>       timebase-frequency = <0x3938700>;
>       ...
>   }
>   soc {
>       ...
>       plmt0 at e6000000 {
>           compatible = "andestech,plmt0";
>           reg = <0x00 0xe6000000 0x00 0x100000>;
>           interrupts-extended = <&cpu0_intc 0x07
>                                  &cpu1_intc 0x07
>                                  &cpu2_intc 0x07
>                                  &cpu3_intc 0x07>;
>       };
>       ...
>   }

Where is the binding for this compatible string? I do not see anything
either upstream or downstream:

https://lore.kernel.org/linux-devicetree/?q=andestech%2Cplmt0
https://github.com/andestech/linux/commits/RISCV-Linux-5.4-ast-v5_1_0-branch/Documentation/devicetree/bindings

We really shouldn't be accepting any devicetree compatible unless a YAML
binding for it exists, ideally one acked by the DT schema maintainers.

Regards,
Samuel




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