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Date: Sun, 27 Sep 2020 17:53:24 +0800
From: "Leizhen (ThunderTown)" <thunder.leizhen@...wei.com>
To: Thomas Gleixner <tglx@...utronix.de>,
Jason Cooper <jason@...edaemon.net>,
Marc Zyngier <maz@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
"Alexey Brodkin" <abrodkin@...opsys.com>,
Vineet Gupta <vgupta@...opsys.com>,
devicetree <devicetree@...r.kernel.org>,
linux-snps-arc <linux-snps-arc@...ts.infradead.org>,
linux-kernel <linux-kernel@...r.kernel.org>
CC: Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
Haoyu Lv <lvhaoyu@...wei.com>, Libin <huawei.libin@...wei.com>,
Kefeng Wang <wangkefeng.wang@...wei.com>
Subject: Re: [PATCH v6 5/6] dt-bindings: dw-apb-ictl: convert to json-schema
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@...wei.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@...0 {
> - 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@...30000 {
> - 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@...il.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@...0 {
> + 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@...30000 {
> + compatible = "snps,dw-apb-ictl";
> + reg = <0x10130000 0x1000>;
> + interrupt-controller;
> + #interrupt-cells = <1>;
> + };
> +...
>
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