18a5e7d19SGeert Uytterhoeven# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 28a5e7d19SGeert Uytterhoeven%YAML 1.2 38a5e7d19SGeert Uytterhoeven--- 48a5e7d19SGeert Uytterhoeven$id: http://devicetree.org/schemas/net/can/renesas,rcar-canfd.yaml# 58a5e7d19SGeert Uytterhoeven$schema: http://devicetree.org/meta-schemas/core.yaml# 68a5e7d19SGeert Uytterhoeven 78a5e7d19SGeert Uytterhoeventitle: Renesas R-Car CAN FD Controller 88a5e7d19SGeert Uytterhoeven 98a5e7d19SGeert Uytterhoevenmaintainers: 108a5e7d19SGeert Uytterhoeven - Fabrizio Castro <fabrizio.castro.jz@renesas.com> 118a5e7d19SGeert Uytterhoeven 128a5e7d19SGeert Uytterhoevenproperties: 138a5e7d19SGeert Uytterhoeven compatible: 148a5e7d19SGeert Uytterhoeven oneOf: 158a5e7d19SGeert Uytterhoeven - items: 168a5e7d19SGeert Uytterhoeven - enum: 178a5e7d19SGeert Uytterhoeven - renesas,r8a774a1-canfd # RZ/G2M 188a5e7d19SGeert Uytterhoeven - renesas,r8a774b1-canfd # RZ/G2N 198a5e7d19SGeert Uytterhoeven - renesas,r8a774c0-canfd # RZ/G2E 208a5e7d19SGeert Uytterhoeven - renesas,r8a774e1-canfd # RZ/G2H 218a5e7d19SGeert Uytterhoeven - renesas,r8a7795-canfd # R-Car H3 228a5e7d19SGeert Uytterhoeven - renesas,r8a7796-canfd # R-Car M3-W 2344b6b105SWolfram Sang - renesas,r8a77961-canfd # R-Car M3-W+ 248a5e7d19SGeert Uytterhoeven - renesas,r8a77965-canfd # R-Car M3-N 258a5e7d19SGeert Uytterhoeven - renesas,r8a77970-canfd # R-Car V3M 268a5e7d19SGeert Uytterhoeven - renesas,r8a77980-canfd # R-Car V3H 278a5e7d19SGeert Uytterhoeven - renesas,r8a77990-canfd # R-Car E3 288a5e7d19SGeert Uytterhoeven - renesas,r8a77995-canfd # R-Car D3 298a5e7d19SGeert Uytterhoeven - const: renesas,rcar-gen3-canfd # R-Car Gen3 and RZ/G2 308a5e7d19SGeert Uytterhoeven 311aa5a06cSLad Prabhakar - items: 321aa5a06cSLad Prabhakar - enum: 33*e8b98168SGeert Uytterhoeven - renesas,r8a779a0-canfd # R-Car V3U 34*e8b98168SGeert Uytterhoeven - const: renesas,rcar-gen4-canfd # R-Car Gen4 35*e8b98168SGeert Uytterhoeven 36*e8b98168SGeert Uytterhoeven - items: 37*e8b98168SGeert Uytterhoeven - enum: 385237ff4eSLad Prabhakar - renesas,r9a07g043-canfd # RZ/G2UL and RZ/Five 391aa5a06cSLad Prabhakar - renesas,r9a07g044-canfd # RZ/G2{L,LC} 40c205cac4SLad Prabhakar - renesas,r9a07g054-canfd # RZ/V2L 411aa5a06cSLad Prabhakar - const: renesas,rzg2l-canfd # RZ/G2L family 421aa5a06cSLad Prabhakar 438a5e7d19SGeert Uytterhoeven reg: 448a5e7d19SGeert Uytterhoeven maxItems: 1 458a5e7d19SGeert Uytterhoeven 461aa5a06cSLad Prabhakar interrupts: true 478a5e7d19SGeert Uytterhoeven 488a5e7d19SGeert Uytterhoeven clocks: 498a5e7d19SGeert Uytterhoeven maxItems: 3 508a5e7d19SGeert Uytterhoeven 518a5e7d19SGeert Uytterhoeven clock-names: 528a5e7d19SGeert Uytterhoeven items: 538a5e7d19SGeert Uytterhoeven - const: fck 548a5e7d19SGeert Uytterhoeven - const: canfd 558a5e7d19SGeert Uytterhoeven - const: can_clk 568a5e7d19SGeert Uytterhoeven 578a5e7d19SGeert Uytterhoeven power-domains: 588a5e7d19SGeert Uytterhoeven maxItems: 1 598a5e7d19SGeert Uytterhoeven 601aa5a06cSLad Prabhakar resets: true 618a5e7d19SGeert Uytterhoeven 628a5e7d19SGeert Uytterhoeven renesas,no-can-fd: 638a5e7d19SGeert Uytterhoeven $ref: /schemas/types.yaml#/definitions/flag 648a5e7d19SGeert Uytterhoeven description: 658a5e7d19SGeert Uytterhoeven The controller can operate in either CAN FD only mode (default) or 66*e8b98168SGeert Uytterhoeven Classical CAN only mode. The mode is global to all channels. 678a5e7d19SGeert Uytterhoeven Specify this property to put the controller in Classical CAN only mode. 688a5e7d19SGeert Uytterhoeven 698a5e7d19SGeert Uytterhoeven assigned-clocks: 708a5e7d19SGeert Uytterhoeven description: 718a5e7d19SGeert Uytterhoeven Reference to the CANFD clock. The CANFD clock is a div6 clock and can be 728a5e7d19SGeert Uytterhoeven used by both CAN (if present) and CAN FD controllers at the same time. 738a5e7d19SGeert Uytterhoeven It needs to be scaled to maximum frequency if any of these controllers 748a5e7d19SGeert Uytterhoeven use it. 758a5e7d19SGeert Uytterhoeven 768a5e7d19SGeert Uytterhoeven assigned-clock-rates: 778a5e7d19SGeert Uytterhoeven description: Maximum frequency of the CANFD clock. 788a5e7d19SGeert Uytterhoeven 798a5e7d19SGeert UytterhoevenpatternProperties: 803abcc01cSGeert Uytterhoeven "^channel[0-7]$": 818a5e7d19SGeert Uytterhoeven type: object 828a5e7d19SGeert Uytterhoeven description: 833abcc01cSGeert Uytterhoeven The controller supports multiple channels and each is represented as a 843abcc01cSGeert Uytterhoeven child node. Each channel can be enabled/disabled individually. 853abcc01cSGeert Uytterhoeven 863abcc01cSGeert Uytterhoeven additionalProperties: false 878a5e7d19SGeert Uytterhoeven 888a5e7d19SGeert Uytterhoevenrequired: 898a5e7d19SGeert Uytterhoeven - compatible 908a5e7d19SGeert Uytterhoeven - reg 918a5e7d19SGeert Uytterhoeven - interrupts 9248b171dbSGeert Uytterhoeven - interrupt-names 938a5e7d19SGeert Uytterhoeven - clocks 948a5e7d19SGeert Uytterhoeven - clock-names 958a5e7d19SGeert Uytterhoeven - power-domains 968a5e7d19SGeert Uytterhoeven - resets 978a5e7d19SGeert Uytterhoeven - assigned-clocks 988a5e7d19SGeert Uytterhoeven - assigned-clock-rates 998a5e7d19SGeert Uytterhoeven - channel0 1008a5e7d19SGeert Uytterhoeven - channel1 1018a5e7d19SGeert Uytterhoeven 1023abcc01cSGeert UytterhoevenallOf: 1033abcc01cSGeert Uytterhoeven - $ref: can-controller.yaml# 1043abcc01cSGeert Uytterhoeven 1053abcc01cSGeert Uytterhoeven - if: 1061aa5a06cSLad Prabhakar properties: 1071aa5a06cSLad Prabhakar compatible: 1081aa5a06cSLad Prabhakar contains: 1091aa5a06cSLad Prabhakar enum: 1101aa5a06cSLad Prabhakar - renesas,rzg2l-canfd 1111aa5a06cSLad Prabhakar then: 1121aa5a06cSLad Prabhakar properties: 1131aa5a06cSLad Prabhakar interrupts: 1141aa5a06cSLad Prabhakar items: 1151aa5a06cSLad Prabhakar - description: CAN global error interrupt 1161aa5a06cSLad Prabhakar - description: CAN receive FIFO interrupt 1171aa5a06cSLad Prabhakar - description: CAN0 error interrupt 1181aa5a06cSLad Prabhakar - description: CAN0 transmit interrupt 1191aa5a06cSLad Prabhakar - description: CAN0 transmit/receive FIFO receive completion interrupt 1201aa5a06cSLad Prabhakar - description: CAN1 error interrupt 1211aa5a06cSLad Prabhakar - description: CAN1 transmit interrupt 1221aa5a06cSLad Prabhakar - description: CAN1 transmit/receive FIFO receive completion interrupt 1231aa5a06cSLad Prabhakar 1241aa5a06cSLad Prabhakar interrupt-names: 1251aa5a06cSLad Prabhakar items: 1261aa5a06cSLad Prabhakar - const: g_err 1271aa5a06cSLad Prabhakar - const: g_recc 1281aa5a06cSLad Prabhakar - const: ch0_err 1291aa5a06cSLad Prabhakar - const: ch0_rec 1301aa5a06cSLad Prabhakar - const: ch0_trx 1311aa5a06cSLad Prabhakar - const: ch1_err 1321aa5a06cSLad Prabhakar - const: ch1_rec 1331aa5a06cSLad Prabhakar - const: ch1_trx 1341aa5a06cSLad Prabhakar 1351aa5a06cSLad Prabhakar resets: 1361aa5a06cSLad Prabhakar maxItems: 2 1371aa5a06cSLad Prabhakar 1381aa5a06cSLad Prabhakar reset-names: 1391aa5a06cSLad Prabhakar items: 1401aa5a06cSLad Prabhakar - const: rstp_n 1411aa5a06cSLad Prabhakar - const: rstc_n 1421aa5a06cSLad Prabhakar 1431aa5a06cSLad Prabhakar required: 1441aa5a06cSLad Prabhakar - reset-names 1451aa5a06cSLad Prabhakar else: 1461aa5a06cSLad Prabhakar properties: 1471aa5a06cSLad Prabhakar interrupts: 1481aa5a06cSLad Prabhakar items: 1491aa5a06cSLad Prabhakar - description: Channel interrupt 1501aa5a06cSLad Prabhakar - description: Global interrupt 1511aa5a06cSLad Prabhakar 1521aa5a06cSLad Prabhakar interrupt-names: 1531aa5a06cSLad Prabhakar items: 1541aa5a06cSLad Prabhakar - const: ch_int 1551aa5a06cSLad Prabhakar - const: g_int 1561aa5a06cSLad Prabhakar 1571aa5a06cSLad Prabhakar resets: 1581aa5a06cSLad Prabhakar maxItems: 1 1591aa5a06cSLad Prabhakar 1603abcc01cSGeert Uytterhoeven - if: 1613abcc01cSGeert Uytterhoeven not: 1623abcc01cSGeert Uytterhoeven properties: 1633abcc01cSGeert Uytterhoeven compatible: 1643abcc01cSGeert Uytterhoeven contains: 165*e8b98168SGeert Uytterhoeven const: renesas,rcar-gen4-canfd 1663abcc01cSGeert Uytterhoeven then: 1673abcc01cSGeert Uytterhoeven patternProperties: 1683abcc01cSGeert Uytterhoeven "^channel[2-7]$": false 1693abcc01cSGeert Uytterhoeven 1708a5e7d19SGeert UytterhoevenunevaluatedProperties: false 1718a5e7d19SGeert Uytterhoeven 1728a5e7d19SGeert Uytterhoevenexamples: 1738a5e7d19SGeert Uytterhoeven - | 1748a5e7d19SGeert Uytterhoeven #include <dt-bindings/clock/r8a7795-cpg-mssr.h> 1758a5e7d19SGeert Uytterhoeven #include <dt-bindings/interrupt-controller/arm-gic.h> 1768a5e7d19SGeert Uytterhoeven #include <dt-bindings/power/r8a7795-sysc.h> 1778a5e7d19SGeert Uytterhoeven 1788a5e7d19SGeert Uytterhoeven canfd: can@e66c0000 { 1798a5e7d19SGeert Uytterhoeven compatible = "renesas,r8a7795-canfd", 1808a5e7d19SGeert Uytterhoeven "renesas,rcar-gen3-canfd"; 1818a5e7d19SGeert Uytterhoeven reg = <0xe66c0000 0x8000>; 1828a5e7d19SGeert Uytterhoeven interrupts = <GIC_SPI 29 IRQ_TYPE_LEVEL_HIGH>, 1838a5e7d19SGeert Uytterhoeven <GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>; 18448b171dbSGeert Uytterhoeven interrupt-names = "ch_int", "g_int"; 1858a5e7d19SGeert Uytterhoeven clocks = <&cpg CPG_MOD 914>, 1868a5e7d19SGeert Uytterhoeven <&cpg CPG_CORE R8A7795_CLK_CANFD>, 1878a5e7d19SGeert Uytterhoeven <&can_clk>; 1888a5e7d19SGeert Uytterhoeven clock-names = "fck", "canfd", "can_clk"; 1898a5e7d19SGeert Uytterhoeven assigned-clocks = <&cpg CPG_CORE R8A7795_CLK_CANFD>; 1908a5e7d19SGeert Uytterhoeven assigned-clock-rates = <40000000>; 1918a5e7d19SGeert Uytterhoeven power-domains = <&sysc R8A7795_PD_ALWAYS_ON>; 1928a5e7d19SGeert Uytterhoeven resets = <&cpg 914>; 1938a5e7d19SGeert Uytterhoeven 1948a5e7d19SGeert Uytterhoeven channel0 { 1958a5e7d19SGeert Uytterhoeven }; 1968a5e7d19SGeert Uytterhoeven 1978a5e7d19SGeert Uytterhoeven channel1 { 1988a5e7d19SGeert Uytterhoeven }; 1998a5e7d19SGeert Uytterhoeven }; 200