renesas,tmu.yaml (2778B)
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/timer/renesas,tmu.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: Renesas R-Mobile/R-Car Timer Unit (TMU) 8 9maintainers: 10 - Geert Uytterhoeven <geert+renesas@glider.be> 11 - Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> 12 13description: 14 The TMU is a 32-bit timer/counter with configurable clock inputs and 15 programmable compare match. 16 17 Channels share hardware resources but their counter and compare match value 18 are independent. The TMU hardware supports up to three channels. 19 20properties: 21 compatible: 22 items: 23 - enum: 24 - renesas,tmu-r8a7740 # R-Mobile A1 25 - renesas,tmu-r8a774a1 # RZ/G2M 26 - renesas,tmu-r8a774b1 # RZ/G2N 27 - renesas,tmu-r8a774c0 # RZ/G2E 28 - renesas,tmu-r8a774e1 # RZ/G2H 29 - renesas,tmu-r8a7778 # R-Car M1A 30 - renesas,tmu-r8a7779 # R-Car H1 31 - renesas,tmu-r8a7795 # R-Car H3 32 - renesas,tmu-r8a7796 # R-Car M3-W 33 - renesas,tmu-r8a77961 # R-Car M3-W+ 34 - renesas,tmu-r8a77965 # R-Car M3-N 35 - renesas,tmu-r8a77970 # R-Car V3M 36 - renesas,tmu-r8a77980 # R-Car V3H 37 - renesas,tmu-r8a77990 # R-Car E3 38 - renesas,tmu-r8a77995 # R-Car D3 39 - renesas,tmu-r8a779a0 # R-Car V3U 40 - const: renesas,tmu 41 42 reg: 43 maxItems: 1 44 45 interrupts: 46 minItems: 2 47 maxItems: 3 48 49 clocks: 50 maxItems: 1 51 52 clock-names: 53 const: fck 54 55 power-domains: 56 maxItems: 1 57 58 resets: 59 maxItems: 1 60 61 '#renesas,channels': 62 description: 63 Number of channels implemented by the timer. 64 $ref: /schemas/types.yaml#/definitions/uint32 65 enum: [ 2, 3 ] 66 default: 3 67 68required: 69 - compatible 70 - reg 71 - interrupts 72 - clocks 73 - clock-names 74 - power-domains 75 76if: 77 not: 78 properties: 79 compatible: 80 contains: 81 enum: 82 - renesas,tmu-r8a7740 83 - renesas,tmu-r8a7778 84 - renesas,tmu-r8a7779 85then: 86 required: 87 - resets 88 89additionalProperties: false 90 91examples: 92 - | 93 #include <dt-bindings/clock/r8a7779-clock.h> 94 #include <dt-bindings/interrupt-controller/arm-gic.h> 95 #include <dt-bindings/power/r8a7779-sysc.h> 96 tmu0: timer@ffd80000 { 97 compatible = "renesas,tmu-r8a7779", "renesas,tmu"; 98 reg = <0xffd80000 0x30>; 99 interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>, 100 <GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>, 101 <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>; 102 clocks = <&mstp0_clks R8A7779_CLK_TMU0>; 103 clock-names = "fck"; 104 power-domains = <&sysc R8A7779_PD_ALWAYS_ON>; 105 #renesas,channels = <3>; 106 };