mirror of
git://nv-tegra.nvidia.com/linux-nv-oot.git
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14c6de030c
Jira ESDP-28694 Change-Id: Ic6fa743f34b6331d85334465961ae64a91aee588 Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3307869 GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com> Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com> Tested-by: Mark Mendez <mmendez@nvidia.com>
104 lines
3.3 KiB
YAML
104 lines
3.3 KiB
YAML
# Copyright (c) 2024, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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#
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# This program is free software; you can redistribute it and/or modify it
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# under the terms and conditions of the GNU General Public License,
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# version 2, as published by the Free Software Foundation.
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#
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# This program is distributed in the hope it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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# more details.
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/timer@8000000/nvidia,tegra234-timer.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: NVIDIA Tegra Timers Module
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maintainers:
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- Thierry Reding
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- Suresh Mangipudi
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description: |
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the compatability = nvidia,tegra234-timer is mentioned in the following drivers
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- <TOP>/kernel/kernel-oot/drivers/clocksource/timer-tegra186.c
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The following nodes use this compatibility
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- /bus@0/timer@8000000
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select:
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properties:
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compatible:
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minItems: 1
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maxItems: 1
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items:
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enum:
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- nvidia,tegra234-timer
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required:
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- compatible
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properties:
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reg:
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$ref: "/schemas/types.yaml#/definitions/uint32-matrix"
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description: |
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Registers are given by a tuple of two values:
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- register address:
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- register block size.
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items:
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minItems: 4
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maxItems: 4
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items:
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- $ref: "/schemas/types.yaml#/definitions/uint32"
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minimum: 0x0
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maximum: 0x0
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- $ref: "/schemas/types.yaml#/definitions/uint32"
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minimum: 0x8000000
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maximum: 0x8000000
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- $ref: "/schemas/types.yaml#/definitions/uint32"
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minimum: 0x0
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maximum: 0x0
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- $ref: "/schemas/types.yaml#/definitions/uint32"
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minimum: 0x140000
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maximum: 0x140000
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interrupts:
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$ref: "/schemas/types.yaml#/definitions/uint32-matrix"
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description: |
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Interrupts are give by a tuple of 3 values:
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- interrupt specifier (GIC_SPI = 0, GIC_PPI = 1)
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definitions in dt-bindings/interrupt-controller/arm-gic.h
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- interrupt number
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- trigger type (rising edge, falling edge, both, etc)
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definitions in dt-bindings/interrupt-controller/irq.h
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items:
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items:
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- $ref: "/schemas/types.yaml#/definitions/uint32"
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minimum: 0x0
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maximum: 0x0
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- $ref: "/schemas/types.yaml#/definitions/uint32"
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minimum: 0x305
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maximum: 0x308
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- $ref: "/schemas/types.yaml#/definitions/uint32"
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minimum: 0x4
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maximum: 0x4
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required:
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- compatible
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- reg
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- interrupts
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examples:
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- |
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timer@8000000 {
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compatible = "nvidia,tegra234-timer";
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reg = <0x0 0x08000000 0x0 0x00140000>;
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interrupts = <GIC_SPI 773 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 774 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 775 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 776 IRQ_TYPE_LEVEL_HIGH>;
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status = "disabled";
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};
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