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Subject: Re: [PATCH v6 5/6] dt-bindings: dw-apb-ictl: convert to json-schema
To:     Thomas Gleixner <tglx@linutronix.de>,
        Jason Cooper <jason@lakedaemon.net>,
        Marc Zyngier <maz@kernel.org>,
        Rob Herring <robh+dt@kernel.org>,
        "Alexey Brodkin" <abrodkin@synopsys.com>,
        Vineet Gupta <vgupta@synopsys.com>,
        devicetree <devicetree@vger.kernel.org>,
        linux-snps-arc <linux-snps-arc@lists.infradead.org>,
        linux-kernel <linux-kernel@vger.kernel.org>
CC:     Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>,
        Haoyu Lv <lvhaoyu@huawei.com>, Libin <huawei.libin@huawei.com>,
        Kefeng Wang <wangkefeng.wang@huawei.com>
References: <20200924071754.4509-1-thunder.leizhen@huawei.com>
 <20200924071754.4509-6-thunder.leizhen@huawei.com>
From:   "Leizhen (ThunderTown)" <thunder.leizhen@huawei.com>
Message-ID: <89149f30-3cc0-c0a8-4b73-49914659bfe9@huawei.com>
Date:   Sun, 27 Sep 2020 17:53:24 +0800
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Hi Rob:
  Do you have time to review this patch again?

On 2020/9/24 15:17, Zhen Lei wrote:
> Convert the Synopsys DesignWare APB interrupt controller (dw_apb_ictl)
> binding to DT schema format using json-schema.
> 
> Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
> ---
>  .../interrupt-controller/snps,dw-apb-ictl.txt      | 43 -------------
>  .../interrupt-controller/snps,dw-apb-ictl.yaml     | 74 ++++++++++++++++++++++
>  2 files changed, 74 insertions(+), 43 deletions(-)
>  delete mode 100644 Documentation/devicetree/bindings/interrupt-controller/snps,dw-apb-ictl.txt
>  create mode 100644 Documentation/devicetree/bindings/interrupt-controller/snps,dw-apb-ictl.yaml
> 
> diff --git a/Documentation/devicetree/bindings/interrupt-controller/snps,dw-apb-ictl.txt b/Documentation/devicetree/bindings/interrupt-controller/snps,dw-apb-ictl.txt
> deleted file mode 100644
> index 2db59df9408f4c6..000000000000000
> --- a/Documentation/devicetree/bindings/interrupt-controller/snps,dw-apb-ictl.txt
> +++ /dev/null
> @@ -1,43 +0,0 @@
> -Synopsys DesignWare APB interrupt controller (dw_apb_ictl)
> -
> -Synopsys DesignWare provides interrupt controller IP for APB known as
> -dw_apb_ictl. The IP is used as secondary interrupt controller in some SoCs with
> -APB bus, e.g. Marvell Armada 1500. It can also be used as primary interrupt
> -controller in some SoCs, e.g. Hisilicon SD5203.
> -
> -Required properties:
> -- compatible: shall be "snps,dw-apb-ictl"
> -- reg: physical base address of the controller and length of memory mapped
> -  region starting with ENABLE_LOW register
> -- interrupt-controller: identifies the node as an interrupt controller
> -- #interrupt-cells: number of cells to encode an interrupt-specifier, shall be 1
> -
> -Additional required property when it's used as secondary interrupt controller:
> -- interrupts: interrupt reference to primary interrupt controller
> -
> -The interrupt sources map to the corresponding bits in the interrupt
> -registers, i.e.
> -- 0 maps to bit 0 of low interrupts,
> -- 1 maps to bit 1 of low interrupts,
> -- 32 maps to bit 0 of high interrupts,
> -- 33 maps to bit 1 of high interrupts,
> -- (optional) fast interrupts start at 64.
> -
> -Example:
> -	/* dw_apb_ictl is used as secondary interrupt controller */
> -	aic: interrupt-controller@3000 {
> -		compatible = "snps,dw-apb-ictl";
> -		reg = <0x3000 0xc00>;
> -		interrupt-controller;
> -		#interrupt-cells = <1>;
> -		interrupt-parent = <&gic>;
> -		interrupts = <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>;
> -	};
> -
> -	/* dw_apb_ictl is used as primary interrupt controller */
> -	vic: interrupt-controller@10130000 {
> -		compatible = "snps,dw-apb-ictl";
> -		reg = <0x10130000 0x1000>;
> -		interrupt-controller;
> -		#interrupt-cells = <1>;
> -	};
> diff --git a/Documentation/devicetree/bindings/interrupt-controller/snps,dw-apb-ictl.yaml b/Documentation/devicetree/bindings/interrupt-controller/snps,dw-apb-ictl.yaml
> new file mode 100644
> index 000000000000000..1b05d36b5f7b943
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/interrupt-controller/snps,dw-apb-ictl.yaml
> @@ -0,0 +1,74 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/interrupt-controller/snps,dw-apb-ictl.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Synopsys DesignWare APB interrupt controller (dw_apb_ictl)
> +
> +maintainers:
> +  - Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
> +
> +description: |
> +  Synopsys DesignWare provides interrupt controller IP for APB known as
> +  dw_apb_ictl. The IP is used as secondary interrupt controller in some SoCs
> +  with APB bus, e.g. Marvell Armada 1500. It can also be used as primary
> +  interrupt controller in some SoCs, e.g. Hisilicon SD5203.
> +
> +  The interrupt sources map to the corresponding bits in the interrupt
> +  registers, i.e.
> +  - 0 maps to bit 0 of low interrupts,
> +  - 1 maps to bit 1 of low interrupts,
> +  - 32 maps to bit 0 of high interrupts,
> +  - 33 maps to bit 1 of high interrupts,
> +  - (optional) fast interrupts start at 64.
> +
> +allOf:
> +  - $ref: /schemas/interrupt-controller.yaml#
> +
> +properties:
> +  compatible:
> +    const: snps,dw-apb-ictl
> +
> +  interrupt-controller: true
> +
> +  reg:
> +    description: |
> +      Physical base address of the controller and length of memory mapped
> +      region starting with ENABLE_LOW register.
> +    maxItems: 1
> +
> +  interrupts:
> +    description: Interrupt reference to primary interrupt controller.
> +    maxItems: 1
> +
> +  "#interrupt-cells":
> +    description: Number of cells to encode an interrupt-specifier.
> +    const: 1
> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupt-controller
> +  - '#interrupt-cells'
> +
> +examples:
> +  - |
> +    /* dw_apb_ictl is used as secondary interrupt controller */
> +    aic: interrupt-controller@3000 {
> +        compatible = "snps,dw-apb-ictl";
> +        reg = <0x3000 0xc00>;
> +        interrupt-controller;
> +        #interrupt-cells = <1>;
> +        interrupt-parent = <&gic>;
> +        interrupts = <0 3 4>;
> +    };
> +
> +    /* dw_apb_ictl is used as primary interrupt controller */
> +    vic: interrupt-controller@10130000 {
> +        compatible = "snps,dw-apb-ictl";
> +        reg = <0x10130000 0x1000>;
> +        interrupt-controller;
> +        #interrupt-cells = <1>;
> +    };
> +...
>