19c3c4176SSimon Horman# SPDX-License-Identifier: GPL-2.0 29c3c4176SSimon Horman%YAML 1.2 39c3c4176SSimon Horman--- 49c3c4176SSimon Horman$id: http://devicetree.org/schemas/spi/renesas,sh-msiof.yaml# 59c3c4176SSimon Horman$schema: http://devicetree.org/meta-schemas/core.yaml# 69c3c4176SSimon Horman 79c3c4176SSimon Hormantitle: Renesas MSIOF SPI controller 89c3c4176SSimon Horman 99c3c4176SSimon Hormanmaintainers: 109c3c4176SSimon Horman - Geert Uytterhoeven <geert+renesas@glider.be> 119c3c4176SSimon Horman 129c3c4176SSimon HormanallOf: 139c3c4176SSimon Horman - $ref: spi-controller.yaml# 149c3c4176SSimon Horman 159c3c4176SSimon Hormanproperties: 169c3c4176SSimon Horman compatible: 179c3c4176SSimon Horman oneOf: 189c3c4176SSimon Horman - items: 199c3c4176SSimon Horman - const: renesas,msiof-sh73a0 # SH-Mobile AG5 209c3c4176SSimon Horman - const: renesas,sh-mobile-msiof # generic SH-Mobile compatible 219c3c4176SSimon Horman # device 229c3c4176SSimon Horman - items: 239c3c4176SSimon Horman - enum: 246383b118SLad Prabhakar - renesas,msiof-r8a7742 # RZ/G1H 259c3c4176SSimon Horman - renesas,msiof-r8a7743 # RZ/G1M 269c3c4176SSimon Horman - renesas,msiof-r8a7744 # RZ/G1N 279c3c4176SSimon Horman - renesas,msiof-r8a7745 # RZ/G1E 289c3c4176SSimon Horman - renesas,msiof-r8a77470 # RZ/G1C 299c3c4176SSimon Horman - renesas,msiof-r8a7790 # R-Car H2 309c3c4176SSimon Horman - renesas,msiof-r8a7791 # R-Car M2-W 319c3c4176SSimon Horman - renesas,msiof-r8a7792 # R-Car V2H 329c3c4176SSimon Horman - renesas,msiof-r8a7793 # R-Car M2-N 339c3c4176SSimon Horman - renesas,msiof-r8a7794 # R-Car E2 349c3c4176SSimon Horman - const: renesas,rcar-gen2-msiof # generic R-Car Gen2 and RZ/G1 359c3c4176SSimon Horman # compatible device 369c3c4176SSimon Horman - items: 379c3c4176SSimon Horman - enum: 389c3c4176SSimon Horman - renesas,msiof-r8a774a1 # RZ/G2M 3997f41c68SFabrizio Castro - renesas,msiof-r8a774b1 # RZ/G2N 409c3c4176SSimon Horman - renesas,msiof-r8a774c0 # RZ/G2E 41b4f7f5f5SLad Prabhakar - renesas,msiof-r8a774e1 # RZ/G2H 429c3c4176SSimon Horman - renesas,msiof-r8a7795 # R-Car H3 439c3c4176SSimon Horman - renesas,msiof-r8a7796 # R-Car M3-W 44*aef161f4SGeert Uytterhoeven - renesas,msiof-r8a77961 # R-Car M3-W+ 459c3c4176SSimon Horman - renesas,msiof-r8a77965 # R-Car M3-N 469c3c4176SSimon Horman - renesas,msiof-r8a77970 # R-Car V3M 479c3c4176SSimon Horman - renesas,msiof-r8a77980 # R-Car V3H 489c3c4176SSimon Horman - renesas,msiof-r8a77990 # R-Car E3 499c3c4176SSimon Horman - renesas,msiof-r8a77995 # R-Car D3 509c3c4176SSimon Horman - const: renesas,rcar-gen3-msiof # generic R-Car Gen3 and RZ/G2 519c3c4176SSimon Horman # compatible device 529c3c4176SSimon Horman - items: 539c3c4176SSimon Horman - const: renesas,sh-msiof # deprecated 549c3c4176SSimon Horman 559c3c4176SSimon Horman reg: 569c3c4176SSimon Horman minItems: 1 579c3c4176SSimon Horman maxItems: 2 589c3c4176SSimon Horman oneOf: 599c3c4176SSimon Horman - items: 609c3c4176SSimon Horman - description: CPU and DMA engine registers 619c3c4176SSimon Horman - items: 629c3c4176SSimon Horman - description: CPU registers 639c3c4176SSimon Horman - description: DMA engine registers 649c3c4176SSimon Horman 659c3c4176SSimon Horman interrupts: 669c3c4176SSimon Horman maxItems: 1 679c3c4176SSimon Horman 689c3c4176SSimon Horman clocks: 699c3c4176SSimon Horman maxItems: 1 709c3c4176SSimon Horman 719c3c4176SSimon Horman num-cs: 729c3c4176SSimon Horman description: | 739c3c4176SSimon Horman Total number of chip selects (default is 1). 749c3c4176SSimon Horman Up to 3 native chip selects are supported: 759c3c4176SSimon Horman 0: MSIOF_SYNC 769c3c4176SSimon Horman 1: MSIOF_SS1 779c3c4176SSimon Horman 2: MSIOF_SS2 789c3c4176SSimon Horman Hardware limitations related to chip selects: 799c3c4176SSimon Horman - Native chip selects are always deasserted in between transfers 809c3c4176SSimon Horman that are part of the same message. Use cs-gpios to work around 819c3c4176SSimon Horman this. 829c3c4176SSimon Horman - All slaves using native chip selects must use the same spi-cs-high 839c3c4176SSimon Horman configuration. Use cs-gpios to work around this. 849c3c4176SSimon Horman - When using GPIO chip selects, at least one native chip select must 859c3c4176SSimon Horman be left unused, as it will be driven anyway. 869c3c4176SSimon Horman minimum: 1 879c3c4176SSimon Horman maximum: 3 889c3c4176SSimon Horman default: 1 899c3c4176SSimon Horman 909c3c4176SSimon Horman dmas: 919c3c4176SSimon Horman minItems: 2 929c3c4176SSimon Horman maxItems: 4 939c3c4176SSimon Horman 949c3c4176SSimon Horman dma-names: 959c3c4176SSimon Horman minItems: 2 969c3c4176SSimon Horman maxItems: 4 979c3c4176SSimon Horman items: 989c3c4176SSimon Horman enum: [ tx, rx ] 999c3c4176SSimon Horman 1009c3c4176SSimon Horman renesas,dtdl: 1019c3c4176SSimon Horman description: delay sync signal (setup) in transmit mode. 1023d21a460SRob Herring $ref: /schemas/types.yaml#/definitions/uint32 1033d21a460SRob Herring enum: 1049c3c4176SSimon Horman - 0 # no bit delay 1059c3c4176SSimon Horman - 50 # 0.5-clock-cycle delay 1069c3c4176SSimon Horman - 100 # 1-clock-cycle delay 1079c3c4176SSimon Horman - 150 # 1.5-clock-cycle delay 1089c3c4176SSimon Horman - 200 # 2-clock-cycle delay 1099c3c4176SSimon Horman 1109c3c4176SSimon Horman renesas,syncdl: 1119c3c4176SSimon Horman description: delay sync signal (hold) in transmit mode 1123d21a460SRob Herring $ref: /schemas/types.yaml#/definitions/uint32 1133d21a460SRob Herring enum: 1149c3c4176SSimon Horman - 0 # no bit delay 1159c3c4176SSimon Horman - 50 # 0.5-clock-cycle delay 1169c3c4176SSimon Horman - 100 # 1-clock-cycle delay 1179c3c4176SSimon Horman - 150 # 1.5-clock-cycle delay 1189c3c4176SSimon Horman - 200 # 2-clock-cycle delay 1199c3c4176SSimon Horman - 300 # 3-clock-cycle delay 1209c3c4176SSimon Horman 1219c3c4176SSimon Horman renesas,tx-fifo-size: 1229c3c4176SSimon Horman # deprecated for soctype-specific bindings 1239c3c4176SSimon Horman description: | 1249c3c4176SSimon Horman Override the default TX fifo size. Unit is words. Ignored if 0. 1253d21a460SRob Herring $ref: /schemas/types.yaml#/definitions/uint32 1263d21a460SRob Herring maxItems: 1 1279c3c4176SSimon Horman default: 64 1289c3c4176SSimon Horman 1299c3c4176SSimon Horman renesas,rx-fifo-size: 1309c3c4176SSimon Horman # deprecated for soctype-specific bindings 1319c3c4176SSimon Horman description: | 1329c3c4176SSimon Horman Override the default RX fifo size. Unit is words. Ignored if 0. 1333d21a460SRob Herring $ref: /schemas/types.yaml#/definitions/uint32 1343d21a460SRob Herring maxItems: 1 1359c3c4176SSimon Horman default: 64 1369c3c4176SSimon Horman 1379c3c4176SSimon Hormanrequired: 1389c3c4176SSimon Horman - compatible 1399c3c4176SSimon Horman - reg 1409c3c4176SSimon Horman - interrupts 1419c3c4176SSimon Horman - '#address-cells' 1429c3c4176SSimon Horman - '#size-cells' 1439c3c4176SSimon Horman 1449c3c4176SSimon Hormanexamples: 1459c3c4176SSimon Horman - | 1469c3c4176SSimon Horman #include <dt-bindings/clock/r8a7791-clock.h> 1479c3c4176SSimon Horman #include <dt-bindings/interrupt-controller/irq.h> 1489c3c4176SSimon Horman 1499c3c4176SSimon Horman msiof0: spi@e6e20000 { 1509c3c4176SSimon Horman compatible = "renesas,msiof-r8a7791", "renesas,rcar-gen2-msiof"; 151fba56184SRob Herring reg = <0xe6e20000 0x0064>; 1529c3c4176SSimon Horman interrupts = <0 156 IRQ_TYPE_LEVEL_HIGH>; 1539c3c4176SSimon Horman clocks = <&mstp0_clks R8A7791_CLK_MSIOF0>; 1549c3c4176SSimon Horman dmas = <&dmac0 0x51>, <&dmac0 0x52>; 1559c3c4176SSimon Horman dma-names = "tx", "rx"; 1569c3c4176SSimon Horman #address-cells = <1>; 1579c3c4176SSimon Horman #size-cells = <0>; 1589c3c4176SSimon Horman }; 159