Re: [PATCH v3 2/4] dt-bindings: interrupt-controller: sifive,plic: add legacy riscv compatible

From: Rob Herring
Date: Thu Aug 18 2022 - 12:37:01 EST


On Wed, Aug 17, 2022 at 09:12:11PM +0100, Conor Dooley wrote:
> From: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>
>
> While "real" hardware might not use the compatible string "riscv,plic0"
> it is present in the driver & QEMU uses it for automatically generated
> virt machine dtbs. To avoid dt-validate problems with QEMU produced
> dtbs, such as the following, add it to the binding.
>
> riscv-virt.dtb: plic@c000000: compatible: 'oneOf' conditional failed, one must be fixed:
> 'sifive,plic-1.0.0' is not one of ['sifive,fu540-c000-plic', 'starfive,jh7100-plic', 'canaan,k210-plic']
> 'sifive,plic-1.0.0' is not one of ['allwinner,sun20i-d1-plic']
> 'sifive,plic-1.0.0' was expected
> 'thead,c900-plic' was expected
> riscv-virt.dtb: plic@c000000: '#address-cells' is a required property
>
> Reported-by: Rob Herring <robh@xxxxxxxxxx>
> Link: https://lore.kernel.org/linux-riscv/20220803170552.GA2250266-robh@xxxxxxxxxx/
> Signed-off-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>
> ---
> .../bindings/interrupt-controller/sifive,plic-1.0.0.yaml | 5 +++++
> 1 file changed, 5 insertions(+)

Reviewed-by: Rob Herring <robh@xxxxxxxxxx>