Re: [PATCH 07/13] dt-bindings: interrupt-controller: Add Loongson-3 HTINTC

From: Rob Herring
Date: Tue Aug 27 2019 - 08:49:41 EST


On Tue, Aug 27, 2019 at 3:59 AM Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx> wrote:
>
> Document Loongson-3 HyperTransport Interrupt controller.
>
> Signed-off-by: Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx>
> ---
> .../loongson,ls3-htintc.yaml | 53 +++++++++++++++++++
> 1 file changed, 53 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/interrupt-controller/loongson,ls3-htintc.yaml
>
> diff --git a/Documentation/devicetree/bindings/interrupt-controller/loongson,ls3-htintc.yaml b/Documentation/devicetree/bindings/interrupt-controller/loongson,ls3-htintc.yaml
> new file mode 100644
> index 000000000000..c1bc0faca656
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/interrupt-controller/loongson,ls3-htintc.yaml
> @@ -0,0 +1,53 @@
> +# SPDX-License-Identifier: GPL-2.0
> +%YAML 1.2
> +---
> +$id: "http://devicetree.org/schemas/interrupt-controller/loongson,ls3-htintc.yaml#";
> +$schema: "http://devicetree.org/meta-schemas/core.yaml#";
> +
> +title: Loongson-3 HyperTransport Interrupt Controller
> +
> +maintainers:
> + - Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx>
> +
> +description: |
> + This interrupt controller is found in the Loongson-3 family of chips to transfer
> + interrupts from PCH connected on HyperTransport bus.
> +
> +properties:
> + compatible:
> + items:
> + - enum:
> + - loongson,ls3-htintc

Can be simplified to:

compatible
const: loongson,ls3-htintc

> +
> + reg:
> + maxItems: 1
> +
> + interrupts:
> + maxItems: 4

Need to list out what each of the 4 are.

> +
> + interrupt-controller: true
> +
> + '#interrupt-cells':
> + const: 1
> +
> +required:
> + - compatible
> + - reg
> + - interrupts
> + - interrupt-controller
> + - '#interrupt-cells'
> +
> +examples:
> + - |
> + htintc: interrupt-controller@0xEFDFB000080 {

interrupt-controller@efdfb000080

> + compatible = "loongson,ls3-htintc";
> + reg = <0xEFD 0xFB000080 0x100>;
> + interrupt-controller;
> + #interrupt-cells = <1>;
> +
> + interrupt-parent = <&iointc>;
> + interrupts = <24 IRQ_TYPE_LEVEL_HIGH>,
> + <25 IRQ_TYPE_LEVEL_HIGH>,
> + <26 IRQ_TYPE_LEVEL_HIGH>,
> + <27 IRQ_TYPE_LEVEL_HIGH>;

Run 'make dt_binding_check'. This will not build without the necessary include.

> + };
> --
> 2.22.0
>