linux-kernel - Re: [RFC 04/11] dt-bindings: interrupt-controller: Add Sunplus SP7021 mux

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Date:   Mon, 23 Mar 2020 13:48:15 -0600
From:   Rob Herring <robh@...nel.org>
To:     Andreas Färber <afaerber@...e.de>
Cc:     linux-arm-kernel@...ts.infradead.org,
        Wells Lu 呂芳騰 <wells.lu@...plus.com>,
        Dvorkin Dmitry <dvorkin@...bo.com>,
        linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>,
        Jason Cooper <jason@...edaemon.net>,
        Marc Zyngier <maz@...nel.org>, devicetree@...r.kernel.org
Subject: Re: [RFC 04/11] dt-bindings: interrupt-controller: Add Sunplus
 SP7021 mux

On Sun, Mar 08, 2020 at 05:32:22PM +0100, Andreas Färber wrote:
> The Sunplus SP7021 SoC has an interrupt mux.
> 
> Cc: Wells Lu 呂芳騰 <wells.lu@...plus.com>
> Signed-off-by: Andreas Färber <afaerber@...e.de>
> ---
>  .../sunplus,pentagram-intc.yaml                    | 50 ++++++++++++++++++++++
>  1 file changed, 50 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/interrupt-controller/sunplus,pentagram-intc.yaml
> 
> diff --git a/Documentation/devicetree/bindings/interrupt-controller/sunplus,pentagram-intc.yaml b/Documentation/devicetree/bindings/interrupt-controller/sunplus,pentagram-intc.yaml
> new file mode 100644
> index 000000000000..baaf7bcd4a71
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/interrupt-controller/sunplus,pentagram-intc.yaml
> @@ -0,0 +1,50 @@
> +# SPDX-License-Identifier: GPL-2.0-or-later OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/interrupt-controller/sunplus,pentagram-intc.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Sunplus Pentagram SoC Interrupt Controller
> +
> +maintainers:
> +  - Andreas Färber <afaerber@...e.de>
> +
> +allOf:
> +  - $ref: /schemas/interrupt-controller.yaml#

No need for this. It's applied based on the node name.

> +
> +properties:
> +  compatible:
> +    const: sunplus,sp7021-intc
> +
> +  reg:
> +    maxItems: 2

Need to define what each one is.

> +
> +  interrupts:
> +    maxItems: 2

Same here.

> +
> +  interrupt-controller: true
> +
> +  "#interrupt-cells":
> +    const: 2
> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupt-controller
> +
> +unevaluatedProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> +
> +    interrupt-controller@...00780 {
> +        compatible = "sunplus,sp7021-intc";
> +        reg = <0x9c000780 0x80>,
> +              <0x9c000a80 0x80>;
> +        interrupts = <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>,
> +                     <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>;
> +        interrupt-controller;
> +        #interrupt-cells = <2>;
> +    };
> +...
> -- 
> 2.16.4
>