160 lines
3.4 KiB
YAML
160 lines
3.4 KiB
YAML
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/timer/ti,timer-dm.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: TI dual-mode timer
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maintainers:
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- Tony Lindgren <tony@atomide.com>
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description: |
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The TI dual-mode timer is a general purpose timer with PWM capabilities.
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properties:
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compatible:
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oneOf:
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- items:
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- enum:
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- ti,am335x-timer
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- ti,am335x-timer-1ms
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- ti,am654-timer
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- ti,dm814-timer
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- ti,dm816-timer
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- ti,omap2420-timer
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- ti,omap3430-timer
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- ti,omap4430-timer
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- ti,omap5430-timer
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- items:
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- const: ti,am4372-timer
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- const: ti,am335x-timer
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- items:
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- const: ti,am4372-timer-1ms
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- const: ti,am335x-timer-1ms
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reg:
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items:
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- description: IO address
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- description: L3 to L4 mapping for omap4/5 L4 ABE
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minItems: 1
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clocks:
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items:
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- description: Functional clock
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- description: System clock for omap4/5 and dra7
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minItems: 1
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clock-names:
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items:
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- const: fck
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- const: timer_sys_ck
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minItems: 1
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power-domains:
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description:
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Power domain if available
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maxItems: 1
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interrupts:
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description:
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Interrupt if available. The timer PWM features may be usable
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in a limited way even without interrupts.
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maxItems: 1
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ti,timer-alwon:
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description:
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Timer is always enabled when the SoC is powered. Note that some SoCs like
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am335x can suspend to PM coprocessor RTC only mode and in that case the
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SoC power is cut including timers.
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type: boolean
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ti,timer-dsp:
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description:
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Timer is routable to the DSP in addition to the operating system.
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type: boolean
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ti,timer-pwm:
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description:
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Timer has been wired for PWM capability.
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type: boolean
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ti,timer-secure:
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description:
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Timer access has been limited to secure mode only.
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type: boolean
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ti,hwmods:
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description:
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Name of the HWMOD associated with timer. This is for legacy
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omap2/3 platforms only.
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$ref: /schemas/types.yaml#/definitions/string
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deprecated: true
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required:
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- compatible
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- reg
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additionalProperties: false
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allOf:
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- if:
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properties:
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compatible:
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contains:
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const: ti,am654-timer
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then:
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required:
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- power-domains
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else:
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required:
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- interrupts
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- if:
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not:
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properties:
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compatible:
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contains:
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enum:
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- ti,omap3430-timer
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- ti,omap4430-timer
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- ti,omap5430-timer
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then:
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properties:
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reg:
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maxItems: 1
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clocks:
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maxItems: 1
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clock-names:
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maxItems: 1
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- if:
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properties:
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compatible:
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contains:
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enum:
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- ti,dm814-timer
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- ti,dm816-timer
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- ti,omap2420-timer
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- ti,omap3430-timer
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then:
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properties:
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ti,hwmods:
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items:
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- pattern: "^timer([1-9]|1[0-2])$"
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else:
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properties:
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ti,hwmods: false
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examples:
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- |
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timer1: timer@0 {
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compatible = "ti,am335x-timer-1ms";
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reg = <0x0 0x400>;
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interrupts = <67>;
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ti,timer-alwon;
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clocks = <&timer1_fck>;
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clock-names = "fck";
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};
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...
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