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99 lines
2.4 KiB
99 lines
2.4 KiB
# 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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$id: http://devicetree.org/schemas/timer/renesas,tmu.yaml# |
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$schema: http://devicetree.org/meta-schemas/core.yaml# |
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title: Renesas R-Mobile/R-Car Timer Unit (TMU) |
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maintainers: |
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- Geert Uytterhoeven <[email protected]> |
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- Laurent Pinchart <[email protected]> |
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description: |
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The TMU is a 32-bit timer/counter with configurable clock inputs and |
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programmable compare match. |
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Channels share hardware resources but their counter and compare match value |
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are independent. The TMU hardware supports up to three channels. |
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properties: |
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compatible: |
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items: |
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- enum: |
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- renesas,tmu-r8a7740 # R-Mobile A1 |
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- renesas,tmu-r8a774a1 # RZ/G2M |
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- renesas,tmu-r8a774b1 # RZ/G2N |
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- renesas,tmu-r8a774c0 # RZ/G2E |
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- renesas,tmu-r8a774e1 # RZ/G2H |
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- renesas,tmu-r8a7778 # R-Car M1A |
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- renesas,tmu-r8a7779 # R-Car H1 |
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- renesas,tmu-r8a77970 # R-Car V3M |
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- renesas,tmu-r8a77980 # R-Car V3H |
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- const: renesas,tmu |
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reg: |
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maxItems: 1 |
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interrupts: |
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minItems: 2 |
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maxItems: 3 |
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clocks: |
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maxItems: 1 |
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clock-names: |
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const: fck |
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power-domains: |
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maxItems: 1 |
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resets: |
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maxItems: 1 |
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'#renesas,channels': |
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description: |
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Number of channels implemented by the timer. |
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$ref: /schemas/types.yaml#/definitions/uint32 |
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enum: [ 2, 3 ] |
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default: 3 |
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required: |
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- compatible |
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- reg |
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- interrupts |
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- clocks |
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- clock-names |
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- power-domains |
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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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- renesas,tmu-r8a7740 |
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- renesas,tmu-r8a7778 |
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- renesas,tmu-r8a7779 |
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then: |
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required: |
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- resets |
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additionalProperties: false |
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examples: |
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- | |
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#include <dt-bindings/clock/r8a7779-clock.h> |
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#include <dt-bindings/interrupt-controller/arm-gic.h> |
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#include <dt-bindings/power/r8a7779-sysc.h> |
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tmu0: timer@ffd80000 { |
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compatible = "renesas,tmu-r8a7779", "renesas,tmu"; |
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reg = <0xffd80000 0x30>; |
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interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>, |
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<GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>, |
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<GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>; |
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clocks = <&mstp0_clks R8A7779_CLK_TMU0>; |
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clock-names = "fck"; |
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power-domains = <&sysc R8A7779_PD_ALWAYS_ON>; |
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#renesas,channels = <3>; |
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};
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