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dt-bindings: interrupt-controller: Convert ti,omap-intc-irq to DT schema

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Convert the TI OMAP2/3 interrupt controller binding to schema format.
It's a straight-forward conversion of the typical interrupt controller.

"ti,intc-size" property isn't actually used with "ti,omap2-intc", so the
2 bindings can be combined.

Link: https://lore.kernel.org/r/20250505144917.1294150-1-robh@kernel.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
This commit is contained in:
Rob Herring (Arm) 2025-05-05 09:49:16 -05:00
parent 6248d8ccc1
commit 896633412d
3 changed files with 52 additions and 55 deletions
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28
Documentation/devicetree/bindings/interrupt-controller/ti,omap-intc-irq.txt
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Omap2/3 intc controller
On TI omap2 and 3 the intc interrupt controller can provide
96 or 128 IRQ signals to the ARM host depending on the SoC.
Required Properties:
- compatible: should be one of
"ti,omap2-intc"
"ti,omap3-intc"
"ti,dm814-intc"
"ti,dm816-intc"
"ti,am33xx-intc"
- interrupt-controller : Identifies the node as an interrupt controller
- #interrupt-cells : Specifies the number of cells needed to encode interrupt
source, should be 1 for intc
- interrupts: interrupt reference to primary interrupt controller
Please refer to interrupts.txt in this directory for details of the common
Interrupt Controllers bindings used by client devices.
Example:
intc: interrupt-controller@48200000 {
compatible = "ti,omap3-intc";
interrupt-controller;
#interrupt-cells = <1>;
reg = <0x48200000 0x1000>;
};

52
Documentation/devicetree/bindings/interrupt-controller/ti,omap-intc-irq.yaml Normal file
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/interrupt-controller/ti,omap-intc-irq.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: TI OMAP Interrupt Controller
maintainers:
- Tony Lindgren <tony@atomide.com>
description:
On TI omap2 and 3 the intc interrupt controller can provide 96 or 128 IRQ
signals to the ARM host depending on the SoC.
properties:
compatible:
enum:
- ti,omap2-intc
- ti,omap3-intc
- ti,dm814-intc
- ti,dm816-intc
- ti,am33xx-intc
reg:
maxItems: 1
interrupts:
maxItems: 1
interrupt-controller: true
'#interrupt-cells':
const: 1
required:
- compatible
- reg
- interrupt-controller
- '#interrupt-cells'
additionalProperties: false
examples:
- |
interrupt-controller@48200000 {
compatible = "ti,omap3-intc";
reg = <0x48200000 0x1000>;
interrupts = <32>;
interrupt-controller;
#interrupt-cells = <1>;
};

27
Documentation/devicetree/bindings/interrupt-controller/ti,omap2-intc.txt
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* OMAP Interrupt Controller
OMAP2/3 are using a TI interrupt controller that can support several
configurable number of interrupts.
Main node required properties:
- compatible : should be:
"ti,omap2-intc"
- interrupt-controller : Identifies the node as an interrupt controller
- #interrupt-cells : Specifies the number of cells needed to encode an
interrupt source. The type shall be a <u32> and the value shall be 1.
The cell contains the interrupt number in the range [0-128].
- ti,intc-size: Number of interrupts handled by the interrupt controller.
- reg: physical base address and size of the intc registers map.
Example:
intc: interrupt-controller@1 {
compatible = "ti,omap2-intc";
interrupt-controller;
#interrupt-cells = <1>;
ti,intc-size = <96>;
reg = <0x48200000 0x1000>;
};