Re: [PATCH v3 3/7] dt-bindings: interrupt-controller: Convert mti,gic to DT schema

From: Rob Herring
Date: Thu May 14 2020 - 15:06:49 EST


On Thu, 7 May 2020 00:41:03 +0300, Serge Semin wrote:
> Modern device tree bindings are supposed to be created as YAML-files
> in accordance with DT schema. This commit replaces MIPS GIC legacy bare
> text binding with YAML file. As before the binding file states that the
> corresponding dts node is supposed to be compatible with MIPS Global
> Interrupt Controller indicated by the "mti,gic" compatible string and
> to provide a mandatory interrupt-controller and '#interrupt-cells'
> properties. There might be optional registers memory range,
> "mti,reserved-cpu-vectors" and "mti,reserved-ipi-vectors" properties
> specified.
>
> MIPS GIC also includes a free-running global timer, per-CPU count/compare
> timers, and a watchdog. Since currently the GIC Timer is only supported the
> DT schema expects an IRQ and clock-phandler charged timer sub-node with
> "mti,mips-gic-timer" compatible string.
>
> Signed-off-by: Serge Semin <Sergey.Semin@xxxxxxxxxxxxxxxxxxxx>
> Cc: Alexey Malahov <Alexey.Malahov@xxxxxxxxxxxxxxxxxxxx>
> Cc: Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx>
> Cc: Paul Burton <paulburton@xxxxxxxxxx>
> Cc: Ralf Baechle <ralf@xxxxxxxxxxxxxx>
> Cc: Alessandro Zummo <a.zummo@xxxxxxxxxxxx>
> Cc: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx>
> Cc: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>
> Cc: Arnd Bergmann <arnd@xxxxxxxx>
> Cc: linux-mips@xxxxxxxxxxxxxxx
> Cc: linux-rtc@xxxxxxxxxxxxxxx
>
> ---
>
> I don't really know who is the corresponding driver maintainer, so I
> added Paul to the maintainers property since he used to be looking for the
> MIPS arch and Thomas looking after it now. Any idea what email should be
> specified there instead?
>
> Changelog v3:
> - Since timer sub-node has no unit-address, the node shouldn't be named
> with one. So alter the MIPS GIC bindings to have a pure "timer"
> sub-node.
> - Discard allOf: [ $ref: /schemas/interrupt-controller.yaml# ].
> - Since it's a conversion patch use GPL-2.0-only SPDX header.
> ---
> .../interrupt-controller/mips-gic.txt | 67 --------
> .../interrupt-controller/mti,gic.yaml | 148 ++++++++++++++++++
> 2 files changed, 148 insertions(+), 67 deletions(-)
> delete mode 100644 Documentation/devicetree/bindings/interrupt-controller/mips-gic.txt
> create mode 100644 Documentation/devicetree/bindings/interrupt-controller/mti,gic.yaml
>

Reviewed-by: Rob Herring <robh@xxxxxxxxxx>