| # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) | |
| %YAML 1.2 | |
| --- | |
| $id: http://devicetree.org/schemas/timer/renesas,tmu.yaml# | |
| $schema: http://devicetree.org/meta-schemas/core.yaml# | |
| title: Renesas R-Mobile/R-Car Timer Unit (TMU) | |
| maintainers: | |
| - Geert Uytterhoeven <geert+renesas@glider.be> | |
| - Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> | |
| description: | |
| The TMU is a 32-bit timer/counter with configurable clock inputs and | |
| programmable compare match. | |
| Channels share hardware resources but their counter and compare match value | |
| are independent. The TMU hardware supports up to three channels. | |
| properties: | |
| compatible: | |
| items: | |
| - enum: | |
| - renesas,tmu-r8a73a4 # R-Mobile APE6 | |
| - renesas,tmu-r8a7740 # R-Mobile A1 | |
| - renesas,tmu-r8a7742 # RZ/G1H | |
| - renesas,tmu-r8a7743 # RZ/G1M | |
| - renesas,tmu-r8a7744 # RZ/G1N | |
| - renesas,tmu-r8a7745 # RZ/G1E | |
| - renesas,tmu-r8a77470 # RZ/G1C | |
| - renesas,tmu-r8a774a1 # RZ/G2M | |
| - renesas,tmu-r8a774b1 # RZ/G2N | |
| - renesas,tmu-r8a774c0 # RZ/G2E | |
| - renesas,tmu-r8a774e1 # RZ/G2H | |
| - renesas,tmu-r8a7778 # R-Car M1A | |
| - renesas,tmu-r8a7779 # R-Car H1 | |
| - renesas,tmu-r8a7790 # R-Car H2 | |
| - renesas,tmu-r8a7791 # R-Car M2-W | |
| - renesas,tmu-r8a7792 # R-Car V2H | |
| - renesas,tmu-r8a7793 # R-Car M2-N | |
| - renesas,tmu-r8a7794 # R-Car E2 | |
| - renesas,tmu-r8a7795 # R-Car H3 | |
| - renesas,tmu-r8a7796 # R-Car M3-W | |
| - renesas,tmu-r8a77961 # R-Car M3-W+ | |
| - renesas,tmu-r8a77965 # R-Car M3-N | |
| - renesas,tmu-r8a77970 # R-Car V3M | |
| - renesas,tmu-r8a77980 # R-Car V3H | |
| - renesas,tmu-r8a77990 # R-Car E3 | |
| - renesas,tmu-r8a77995 # R-Car D3 | |
| - renesas,tmu-r8a779a0 # R-Car V3U | |
| - renesas,tmu-r8a779f0 # R-Car S4-8 | |
| - renesas,tmu-r8a779g0 # R-Car V4H | |
| - renesas,tmu-r8a779h0 # R-Car V4M | |
| - const: renesas,tmu | |
| reg: | |
| maxItems: 1 | |
| interrupts: | |
| minItems: 2 | |
| items: | |
| - description: Underflow interrupt, channel 0 | |
| - description: Underflow interrupt, channel 1 | |
| - description: Underflow interrupt, channel 2 | |
| - description: Input capture interrupt, channel 2 | |
| interrupt-names: | |
| minItems: 2 | |
| items: | |
| - const: tuni0 | |
| - const: tuni1 | |
| - const: tuni2 | |
| - const: ticpi2 | |
| clocks: | |
| maxItems: 1 | |
| clock-names: | |
| const: fck | |
| power-domains: | |
| maxItems: 1 | |
| resets: | |
| maxItems: 1 | |
| '#renesas,channels': | |
| description: | |
| Number of channels implemented by the timer. | |
| $ref: /schemas/types.yaml#/definitions/uint32 | |
| enum: [ 2, 3 ] | |
| default: 3 | |
| required: | |
| - compatible | |
| - reg | |
| - interrupts | |
| - interrupt-names | |
| - clocks | |
| - clock-names | |
| - power-domains | |
| if: | |
| not: | |
| properties: | |
| compatible: | |
| contains: | |
| enum: | |
| - renesas,tmu-r8a73a4 | |
| - renesas,tmu-r8a7740 | |
| - renesas,tmu-r8a7778 | |
| - renesas,tmu-r8a7779 | |
| then: | |
| required: | |
| - resets | |
| additionalProperties: false | |
| examples: | |
| - | | |
| #include <dt-bindings/clock/r8a7779-clock.h> | |
| #include <dt-bindings/interrupt-controller/arm-gic.h> | |
| #include <dt-bindings/power/r8a7779-sysc.h> | |
| tmu0: timer@ffd80000 { | |
| compatible = "renesas,tmu-r8a7779", "renesas,tmu"; | |
| reg = <0xffd80000 0x30>; | |
| interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>, | |
| <GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>, | |
| <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>, | |
| <GIC_SPI 35 IRQ_TYPE_LEVEL_HIGH>; | |
| interrupt-names = "tuni0", "tuni1", "tuni2", "ticpi2"; | |
| clocks = <&mstp0_clks R8A7779_CLK_TMU0>; | |
| clock-names = "fck"; | |
| power-domains = <&sysc R8A7779_PD_ALWAYS_ON>; | |
| #renesas,channels = <3>; | |
| }; |