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-* Renesas R-Car Compare Match Timer (CMT)
-
-The CMT is a multi-channel 16/32/48-bit timer/counter with configurable clock
-inputs and programmable compare match.
-
-Channels share hardware resources but their counter and compare match value
-are independent. A particular CMT instance can implement only a subset of the
-channels supported by the CMT model. Channel indices represent the hardware
-position of the channel in the CMT and don't match the channel numbers in the
-datasheets.
-
-Required Properties:
-
- - compatible: must contain one or more of the following:
- - "renesas,r8a73a4-cmt0" for the 32-bit CMT0 device included in r8a73a4.
- - "renesas,r8a73a4-cmt1" for the 48-bit CMT1 device included in r8a73a4.
- - "renesas,r8a7740-cmt0" for the 32-bit CMT0 device included in r8a7740.
- - "renesas,r8a7740-cmt1" for the 48-bit CMT1 device included in r8a7740.
- - "renesas,r8a7740-cmt2" for the 32-bit CMT2 device included in r8a7740.
- - "renesas,r8a7740-cmt3" for the 32-bit CMT3 device included in r8a7740.
- - "renesas,r8a7740-cmt4" for the 32-bit CMT4 device included in r8a7740.
- - "renesas,r8a7743-cmt0" for the 32-bit CMT0 device included in r8a7743.
- - "renesas,r8a7743-cmt1" for the 48-bit CMT1 device included in r8a7743.
- - "renesas,r8a7744-cmt0" for the 32-bit CMT0 device included in r8a7744.
- - "renesas,r8a7744-cmt1" for the 48-bit CMT1 device included in r8a7744.
- - "renesas,r8a7745-cmt0" for the 32-bit CMT0 device included in r8a7745.
- - "renesas,r8a7745-cmt1" for the 48-bit CMT1 device included in r8a7745.
- - "renesas,r8a77470-cmt0" for the 32-bit CMT0 device included in r8a77470.
- - "renesas,r8a77470-cmt1" for the 48-bit CMT1 device included in r8a77470.
- - "renesas,r8a774a1-cmt0" for the 32-bit CMT0 device included in r8a774a1.
- - "renesas,r8a774a1-cmt1" for the 48-bit CMT devices included in r8a774a1.
- - "renesas,r8a774b1-cmt0" for the 32-bit CMT0 device included in r8a774b1.
- - "renesas,r8a774b1-cmt1" for the 48-bit CMT devices included in r8a774b1.
- - "renesas,r8a774c0-cmt0" for the 32-bit CMT0 device included in r8a774c0.
- - "renesas,r8a774c0-cmt1" for the 48-bit CMT devices included in r8a774c0.
- - "renesas,r8a7790-cmt0" for the 32-bit CMT0 device included in r8a7790.
- - "renesas,r8a7790-cmt1" for the 48-bit CMT1 device included in r8a7790.
- - "renesas,r8a7791-cmt0" for the 32-bit CMT0 device included in r8a7791.
- - "renesas,r8a7791-cmt1" for the 48-bit CMT1 device included in r8a7791.
- - "renesas,r8a7792-cmt0" for the 32-bit CMT0 device included in r8a7792.
- - "renesas,r8a7792-cmt1" for the 48-bit CMT1 device included in r8a7792.
- - "renesas,r8a7793-cmt0" for the 32-bit CMT0 device included in r8a7793.
- - "renesas,r8a7793-cmt1" for the 48-bit CMT1 device included in r8a7793.
- - "renesas,r8a7794-cmt0" for the 32-bit CMT0 device included in r8a7794.
- - "renesas,r8a7794-cmt1" for the 48-bit CMT1 device included in r8a7794.
- - "renesas,r8a7795-cmt0" for the 32-bit CMT0 device included in r8a7795.
- - "renesas,r8a7795-cmt1" for the 48-bit CMT devices included in r8a7795.
- - "renesas,r8a7796-cmt0" for the 32-bit CMT0 device included in r8a7796.
- - "renesas,r8a7796-cmt1" for the 48-bit CMT devices included in r8a7796.
- - "renesas,r8a77965-cmt0" for the 32-bit CMT0 device included in r8a77965.
- - "renesas,r8a77965-cmt1" for the 48-bit CMT devices included in r8a77965.
- - "renesas,r8a77970-cmt0" for the 32-bit CMT0 device included in r8a77970.
- - "renesas,r8a77970-cmt1" for the 48-bit CMT devices included in r8a77970.
- - "renesas,r8a77980-cmt0" for the 32-bit CMT0 device included in r8a77980.
- - "renesas,r8a77980-cmt1" for the 48-bit CMT devices included in r8a77980.
- - "renesas,r8a77990-cmt0" for the 32-bit CMT0 device included in r8a77990.
- - "renesas,r8a77990-cmt1" for the 48-bit CMT devices included in r8a77990.
- - "renesas,r8a77995-cmt0" for the 32-bit CMT0 device included in r8a77995.
- - "renesas,r8a77995-cmt1" for the 48-bit CMT devices included in r8a77995.
- - "renesas,sh73a0-cmt0" for the 32-bit CMT0 device included in sh73a0.
- - "renesas,sh73a0-cmt1" for the 48-bit CMT1 device included in sh73a0.
- - "renesas,sh73a0-cmt2" for the 32-bit CMT2 device included in sh73a0.
- - "renesas,sh73a0-cmt3" for the 32-bit CMT3 device included in sh73a0.
- - "renesas,sh73a0-cmt4" for the 32-bit CMT4 device included in sh73a0.
-
- - "renesas,rcar-gen2-cmt0" for 32-bit CMT0 devices included in R-Car Gen2
- and RZ/G1.
- - "renesas,rcar-gen2-cmt1" for 48-bit CMT1 devices included in R-Car Gen2
- and RZ/G1.
- These are fallbacks for r8a73a4, R-Car Gen2 and RZ/G1 entries
- listed above.
- - "renesas,rcar-gen3-cmt0" for 32-bit CMT0 devices included in R-Car Gen3
- and RZ/G2.
- - "renesas,rcar-gen3-cmt1" for 48-bit CMT devices included in R-Car Gen3
- and RZ/G2.
- These are fallbacks for R-Car Gen3 and RZ/G2 entries listed
- above.
-
- - reg: base address and length of the registers block for the timer module.
- - interrupts: interrupt-specifier for the timer, one per channel.
- - clocks: a list of phandle + clock-specifier pairs, one for each entry
- in clock-names.
- - clock-names: must contain "fck" for the functional clock.
-
-
-Example: R8A7790 (R-Car H2) CMT0 and CMT1 nodes
-
- cmt0: timer@ffca0000 {
- compatible = "renesas,r8a7790-cmt0", "renesas,rcar-gen2-cmt0";
- reg = <0 0xffca0000 0 0x1004>;
- interrupts = <0 142 IRQ_TYPE_LEVEL_HIGH>,
- <0 142 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&mstp1_clks R8A7790_CLK_CMT0>;
- clock-names = "fck";
- };
-
- cmt1: timer@e6130000 {
- compatible = "renesas,r8a7790-cmt1", "renesas,rcar-gen2-cmt1";
- reg = <0 0xe6130000 0 0x1004>;
- interrupts = <0 120 IRQ_TYPE_LEVEL_HIGH>,
- <0 121 IRQ_TYPE_LEVEL_HIGH>,
- <0 122 IRQ_TYPE_LEVEL_HIGH>,
- <0 123 IRQ_TYPE_LEVEL_HIGH>,
- <0 124 IRQ_TYPE_LEVEL_HIGH>,
- <0 125 IRQ_TYPE_LEVEL_HIGH>,
- <0 126 IRQ_TYPE_LEVEL_HIGH>,
- <0 127 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&mstp3_clks R8A7790_CLK_CMT1>;
- clock-names = "fck";
- };