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

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Add documentation to describe Sunplus SP7021 interrupt controller bindings.

Signed-off-by: Qin Jian <qinjian@cqplus1.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Qin Jian 2022-06-28 14:26:47 +08:00 committed by Arnd Bergmann
parent 5543604a05
commit 4966dfe186
2 changed files with 64 additions and 0 deletions
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62
Documentation/devicetree/bindings/interrupt-controller/sunplus,sp7021-intc.yaml Normal file
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@ -0,0 +1,62 @@
# 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 */
};
...

2
MAINTAINERS
View file

@ -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