1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
4 $id: http://devicetree.org/schemas/timer/renesas,cmt.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Renesas Compare Match Timer (CMT)
10 - Geert Uytterhoeven <geert+renesas@glider.be>
11 - Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
14 The CMT is a multi-channel 16/32/48-bit timer/counter with configurable clock
15 inputs and programmable compare match.
17 Channels share hardware resources but their counter and compare match values
18 are independent. A particular CMT instance can implement only a subset of the
19 channels supported by the CMT model. Channel indices represent the hardware
20 position of the channel in the CMT and don't match the channel numbers in the
28 - renesas,r8a7740-cmt0 # 32-bit CMT0 on R-Mobile A1
29 - renesas,r8a7740-cmt1 # 48-bit CMT1 on R-Mobile A1
30 - renesas,r8a7740-cmt2 # 32-bit CMT2 on R-Mobile A1
31 - renesas,r8a7740-cmt3 # 32-bit CMT3 on R-Mobile A1
32 - renesas,r8a7740-cmt4 # 32-bit CMT4 on R-Mobile A1
33 - renesas,sh73a0-cmt0 # 32-bit CMT0 on SH-Mobile AG5
34 - renesas,sh73a0-cmt1 # 48-bit CMT1 on SH-Mobile AG5
35 - renesas,sh73a0-cmt2 # 32-bit CMT2 on SH-Mobile AG5
36 - renesas,sh73a0-cmt3 # 32-bit CMT3 on SH-Mobile AG5
37 - renesas,sh73a0-cmt4 # 32-bit CMT4 on SH-Mobile AG5
41 - renesas,r8a73a4-cmt0 # 32-bit CMT0 on R-Mobile APE6
42 - renesas,r8a7742-cmt0 # 32-bit CMT0 on RZ/G1H
43 - renesas,r8a7743-cmt0 # 32-bit CMT0 on RZ/G1M
44 - renesas,r8a7744-cmt0 # 32-bit CMT0 on RZ/G1N
45 - renesas,r8a7745-cmt0 # 32-bit CMT0 on RZ/G1E
46 - renesas,r8a77470-cmt0 # 32-bit CMT0 on RZ/G1C
47 - renesas,r8a7790-cmt0 # 32-bit CMT0 on R-Car H2
48 - renesas,r8a7791-cmt0 # 32-bit CMT0 on R-Car M2-W
49 - renesas,r8a7792-cmt0 # 32-bit CMT0 on R-Car V2H
50 - renesas,r8a7793-cmt0 # 32-bit CMT0 on R-Car M2-N
51 - renesas,r8a7794-cmt0 # 32-bit CMT0 on R-Car E2
52 - const: renesas,rcar-gen2-cmt0 # 32-bit CMT0 on R-Mobile APE6, R-Car Gen2 and RZ/G1
56 - renesas,r8a73a4-cmt1 # 48-bit CMT1 on R-Mobile APE6
57 - renesas,r8a7742-cmt1 # 48-bit CMT1 on RZ/G1H
58 - renesas,r8a7743-cmt1 # 48-bit CMT1 on RZ/G1M
59 - renesas,r8a7744-cmt1 # 48-bit CMT1 on RZ/G1N
60 - renesas,r8a7745-cmt1 # 48-bit CMT1 on RZ/G1E
61 - renesas,r8a77470-cmt1 # 48-bit CMT1 on RZ/G1C
62 - renesas,r8a7790-cmt1 # 48-bit CMT1 on R-Car H2
63 - renesas,r8a7791-cmt1 # 48-bit CMT1 on R-Car M2-W
64 - renesas,r8a7792-cmt1 # 48-bit CMT1 on R-Car V2H
65 - renesas,r8a7793-cmt1 # 48-bit CMT1 on R-Car M2-N
66 - renesas,r8a7794-cmt1 # 48-bit CMT1 on R-Car E2
67 - const: renesas,rcar-gen2-cmt1 # 48-bit CMT1 on R-Mobile APE6, R-Car Gen2 and RZ/G1
71 - renesas,r8a774a1-cmt0 # 32-bit CMT0 on RZ/G2M
72 - renesas,r8a774b1-cmt0 # 32-bit CMT0 on RZ/G2N
73 - renesas,r8a774c0-cmt0 # 32-bit CMT0 on RZ/G2E
74 - renesas,r8a774e1-cmt0 # 32-bit CMT0 on RZ/G2H
75 - renesas,r8a7795-cmt0 # 32-bit CMT0 on R-Car H3
76 - renesas,r8a7796-cmt0 # 32-bit CMT0 on R-Car M3-W
77 - renesas,r8a77961-cmt0 # 32-bit CMT0 on R-Car M3-W+
78 - renesas,r8a77965-cmt0 # 32-bit CMT0 on R-Car M3-N
79 - renesas,r8a77970-cmt0 # 32-bit CMT0 on R-Car V3M
80 - renesas,r8a77980-cmt0 # 32-bit CMT0 on R-Car V3H
81 - renesas,r8a77990-cmt0 # 32-bit CMT0 on R-Car E3
82 - renesas,r8a77995-cmt0 # 32-bit CMT0 on R-Car D3
83 - const: renesas,rcar-gen3-cmt0 # 32-bit CMT0 on R-Car Gen3 and RZ/G2
87 - renesas,r8a774a1-cmt1 # 48-bit CMT on RZ/G2M
88 - renesas,r8a774b1-cmt1 # 48-bit CMT on RZ/G2N
89 - renesas,r8a774c0-cmt1 # 48-bit CMT on RZ/G2E
90 - renesas,r8a774e1-cmt1 # 48-bit CMT on RZ/G2H
91 - renesas,r8a7795-cmt1 # 48-bit CMT on R-Car H3
92 - renesas,r8a7796-cmt1 # 48-bit CMT on R-Car M3-W
93 - renesas,r8a77961-cmt1 # 48-bit CMT on R-Car M3-W+
94 - renesas,r8a77965-cmt1 # 48-bit CMT on R-Car M3-N
95 - renesas,r8a77970-cmt1 # 48-bit CMT on R-Car V3M
96 - renesas,r8a77980-cmt1 # 48-bit CMT on R-Car V3H
97 - renesas,r8a77990-cmt1 # 48-bit CMT on R-Car E3
98 - renesas,r8a77995-cmt1 # 48-bit CMT on R-Car D3
99 - const: renesas,rcar-gen3-cmt1 # 48-bit CMT on R-Car Gen3 and RZ/G2
103 - renesas,r8a779a0-cmt0 # 32-bit CMT0 on R-Car V3U
104 - renesas,r8a779f0-cmt0 # 32-bit CMT0 on R-Car S4-8
105 - const: renesas,rcar-gen4-cmt0 # 32-bit CMT0 on R-Car Gen4
109 - renesas,r8a779a0-cmt1 # 48-bit CMT on R-Car V3U
110 - renesas,r8a779f0-cmt1 # 48-bit CMT on R-Car S4-8
111 - const: renesas,rcar-gen4-cmt1 # 48-bit CMT on R-Car Gen4
146 - renesas,rcar-gen2-cmt0
147 - renesas,rcar-gen3-cmt0
148 - renesas,rcar-gen4-cmt0
160 - renesas,rcar-gen2-cmt1
161 - renesas,rcar-gen3-cmt1
162 - renesas,rcar-gen4-cmt1
169 additionalProperties: false
173 #include <dt-bindings/clock/r8a7790-cpg-mssr.h>
174 #include <dt-bindings/interrupt-controller/arm-gic.h>
175 #include <dt-bindings/power/r8a7790-sysc.h>
176 cmt0: timer@ffca0000 {
177 compatible = "renesas,r8a7790-cmt0", "renesas,rcar-gen2-cmt0";
178 reg = <0xffca0000 0x1004>;
179 interrupts = <GIC_SPI 142 IRQ_TYPE_LEVEL_HIGH>,
180 <GIC_SPI 143 IRQ_TYPE_LEVEL_HIGH>;
181 clocks = <&cpg CPG_MOD 124>;
183 power-domains = <&sysc R8A7790_PD_ALWAYS_ON>;
187 cmt1: timer@e6130000 {
188 compatible = "renesas,r8a7790-cmt1", "renesas,rcar-gen2-cmt1";
189 reg = <0xe6130000 0x1004>;
190 interrupts = <GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>,
191 <GIC_SPI 121 IRQ_TYPE_LEVEL_HIGH>,
192 <GIC_SPI 122 IRQ_TYPE_LEVEL_HIGH>,
193 <GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>,
194 <GIC_SPI 124 IRQ_TYPE_LEVEL_HIGH>,
195 <GIC_SPI 125 IRQ_TYPE_LEVEL_HIGH>,
196 <GIC_SPI 126 IRQ_TYPE_LEVEL_HIGH>,
197 <GIC_SPI 127 IRQ_TYPE_LEVEL_HIGH>;
198 clocks = <&cpg CPG_MOD 329>;
200 power-domains = <&sysc R8A7790_PD_ALWAYS_ON>;