Commit 4966dfe1 authored by Qin Jian's avatar Qin Jian Committed by Arnd Bergmann
Browse files

dt-bindings: interrupt-controller: Add bindings for SP7021 interrupt controller 



Add documentation to describe Sunplus SP7021 interrupt controller bindings.

Signed-off-by: default avatarQin Jian <qinjian@cqplus1.com>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarArnd Bergmann <arnd@arndb.de>
parent 5543604a

Documentation/devicetree/bindings/interrupt-controller/sunplus,sp7021-intc.yaml

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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)

# Copyright (C) Sunplus Co., Ltd. 2021

%YAML 1.2

---

$id: http://devicetree.org/schemas/interrupt-controller/sunplus,sp7021-intc.yaml#

$schema: http://devicetree.org/meta-schemas/core.yaml#



title: Sunplus SP7021 SoC Interrupt Controller



maintainers:

  - Qin Jian <qinjian@cqplus1.com>



properties:

  compatible:

    items:

      - const: sunplus,sp7021-intc



  reg:

    maxItems: 2

    description:

      Specifies base physical address(s) and size of the controller regs.

      The 1st region include type/polarity/priority/mask regs.

      The 2nd region include clear/masked_ext0/masked_ext1/group regs.



  interrupt-controller: true



  "#interrupt-cells":

    const: 2

    description:

      The first cell is the IRQ number, the second cell is the trigger

      type as defined in interrupt.txt in this directory.



  interrupts:

    maxItems: 2

    description:

      EXT_INT0 & EXT_INT1, 2 interrupts references to primary interrupt

      controller.



required:

  - compatible

  - reg

  - interrupt-controller

  - "#interrupt-cells"

  - interrupts



additionalProperties: false



examples:

  - |

    #include <dt-bindings/interrupt-controller/arm-gic.h>



    intc: interrupt-controller@9c000780 {

        compatible = "sunplus,sp7021-intc";

        reg = <0x9c000780 0x80>, <0x9c000a80 0x80>;

        interrupt-controller;

        #interrupt-cells = <2>;

        interrupt-parent = <&gic>;

        interrupts = <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>, /* EXT_INT0 */

                     <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>; /* EXT_INT1 */

    };



...

MAINTAINERS

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@@ -2832,7 +2832,9 @@ S: Maintained 
W:	https://sunplus-tibbo.atlassian.net/wiki/spaces/doc/overview

F:	Documentation/devicetree/bindings/arm/sunplus,sp7021.yaml

F:	Documentation/devicetree/bindings/clock/sunplus,sp7021-clkc.yaml

F:	Documentation/devicetree/bindings/interrupt-controller/sunplus,sp7021-intc.yaml

F:	Documentation/devicetree/bindings/reset/sunplus,reset.yaml

F:	drivers/irqchip/irq-sp7021-intc.c

F:	drivers/reset/reset-sunplus.c

F:	include/dt-bindings/clock/sunplus,sp7021-clkc.h

F:	include/dt-bindings/reset/sunplus,sp7021-reset.h