Re: [PATCH 4/6] dt-bindings: interrupt-controller: Add Loongson PCH PIC

Huacai Chen
2020-04-23T05:47:16Z

Hi, Jiaxun,

On Wed, Apr 22, 2020 at 10:27 PM Jiaxun Yang <jiaxun.yang@flygoat.com> wrote:
>
> Add binding for Loongson PCH PIC Controller.
>
> Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
> ---
> .../loongson,pch-pic.yaml | 55 +++++++++++++++++++
> 1 file changed, 55 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/interrupt-controller/loongson,pch-pic.yaml
>
> diff --git a/Documentation/devicetree/bindings/interrupt-controller/loongson,pch-pic.yaml b/Documentation/devicetree/bindings/interrupt-controller/loongson,pch-pic.yaml
> new file mode 100644
> index 000000000000..afc0c924e477
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/interrupt-controller/loongson,pch-pic.yaml
> @@ -0,0 +1,55 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: "http://devicetree.org/schemas/interrupt-controller/loongson,pch-pic.yaml#"
> +$schema: "http://devicetree.org/meta-schemas/core.yaml#"
> +
> +title: Loongson PCH PIC Controller
> +
> +maintainers:
> + - Jiaxun Yang <jiaxun.yang@flygoat.com>
> +
> +allOf:
> + - $ref: /schemas/interrupt-controller.yaml#
> +
> +description: |
> + This interrupt controller is found in the Loongson-7A family of PCH for
Please use "Loongson's LS7A family" here.

> + transforming interrupts from on-chip devices into HyperTransport vectorized
> + interrupts.
> +
> +properties:
> + compatible:
> + const: loongson,pch-pic-1.0
> +
> + reg:
> + maxItems: 1
> +
> + loongson,pic-base-vec:
> + $ref: '/schemas/types.yaml#/definitions/uint32'
> + description: |
> + u32 value of the base of parent HyperTransport vector allocated
> + to PCH PIC.
> +
> + interrupt-controller: true
> +
> + '#interrupt-cells':
> + const: 2
> +
> +required:
> + - compatible
> + - reg
> + - interrupt-controller
> + - '#interrupt-cells'
> +
> +examples:
> + - |
> + #include <dt-bindings/interrupt-controller/irq.h>
> + pic: interrupt-controller@10000000 {
> + compatible = "loongson,pch-pic-1.0";
> + reg = <0x10000000 0x400>;
> + interrupt-controller;
> + #interrupt-cells = <2>;
> + loongson,pic-base-vec = <64>;
> + interrupt-parent = <&htvec>;
> + };
> +...
> --
> 2.26.0.rc2
>