Subject: Re: [PATCH V4 RESEND 1/2] dt-bindings/irq: add binding for NXP INTMUX interrupt multiplexer

From: Rob Herring <[email-masked]>
Date: Mon, 13 Jan 2020 15:03:44 -0600

On Mon, Jan 13, 2020 at 03:08:40PM +0800, Joakim Zhang wrote:
> This patch adds the DT bindings for the NXP INTMUX interrupt multiplexer
> for i.MX8 family SoCs.
> 
> Signed-off-by: Joakim Zhang <[email-masked]>
> ---
>  .../interrupt-controller/fsl,intmux.yaml      | 77 +++++++++++++++++++
>  1 file changed, 77 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/interrupt-controller/fsl,intmux.yaml

Please run 'make dt_binding_check' and fix the errors:

Documentation/devicetree/bindings/interrupt-controller/fsl,intmux.yaml:  
while scanning for the next token found character that cannot start any token 
  in "<unicode string>", line 60, column 1

> 
> diff --git a/Documentation/devicetree/bindings/interrupt-controller/fsl,intmux.yaml b/Documentation/devicetree/bindings/interrupt-controller/fsl,intmux.yaml
> new file mode 100644
> index 000000000000..4dba532fe0bd
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/interrupt-controller/fsl,intmux.yaml
> @@ -0,0 +1,77 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/interrupt-controller/fsl,intmux.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Freescale INTMUX interrupt multiplexer
> +
> +maintainers:
> +  - Marc Zyngier <[email-masked]>
> +
> +properties:
> +  compatible:
> +    items:
> +      const: fsl,imx-intmux
> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    minItems: 1
> +    maxItems: 8
> +    description: |
> +      Should contain the parent interrupt lines (up to 8) used to multiplex
> +      the input interrupts.
> +
> +  interrupt-controller: true
> +
> +  '#interrupt-cells':
> +    const: 2
> +
> +  clocks:
> +    maxItems: 1
> +    description: ipg clock.
> +
> +  clock-names:
> +    items:
> +      const: ipg
> +
> +  fsl,intmux_chans:

Don't use '_' in property names.

Is this any different from the length of 'interrupts' which you can 
count?

> +    maxItems: 1
> +    description: |
> +      The number of channels used for interrupt source. The Maximum value is 8.
> +      If this property is not set in DT then driver uses 1 channel by default.
> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +  - interrupt-controller
> +  - '#interrupt-cells'
> +  - clocks
> +  - clock-name
> +  - fsl,intmux_chans
> +
> +additionalProperties: false
> +
> +Example:
> +
> +	intmux@37400000 {

interrupt-controller@...

> +		compatible = "fsl,imx-intmux";
> +		reg = <0x37400000 0x1000>;
> +		interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 20 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 23 IRQ_TYPE_LEVEL_HIGH>;
> +		interrupt-controller;
> +		#interrupt-cells = <2>;
> +		clocks = <&clk IMX8QM_CM40_IPG_CLK>;
> +		clock-names = "ipg";
> +		fsl,intmux_chans = <8>;
> +	};
> +
> -- 
> 2.17.1
> 

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