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 41*b4f7f5f5SLad Prabhakar - renesas,msiof-r8a774e1 # RZ/G2H 429c3c4176SSimon Horman - renesas,msiof-r8a7795 # R-Car H3 439c3c4176SSimon Horman - renesas,msiof-r8a7796 # R-Car M3-W 449c3c4176SSimon Horman - renesas,msiof-r8a77965 # R-Car M3-N 459c3c4176SSimon Horman - renesas,msiof-r8a77970 # R-Car V3M 469c3c4176SSimon Horman - renesas,msiof-r8a77980 # R-Car V3H 479c3c4176SSimon Horman - renesas,msiof-r8a77990 # R-Car E3 489c3c4176SSimon Horman - renesas,msiof-r8a77995 # R-Car D3 499c3c4176SSimon Horman - const: renesas,rcar-gen3-msiof # generic R-Car Gen3 and RZ/G2 509c3c4176SSimon Horman # compatible device 519c3c4176SSimon Horman - items: 529c3c4176SSimon Horman - const: renesas,sh-msiof # deprecated 539c3c4176SSimon Horman 549c3c4176SSimon Horman reg: 559c3c4176SSimon Horman minItems: 1 569c3c4176SSimon Horman maxItems: 2 579c3c4176SSimon Horman oneOf: 589c3c4176SSimon Horman - items: 599c3c4176SSimon Horman - description: CPU and DMA engine registers 609c3c4176SSimon Horman - items: 619c3c4176SSimon Horman - description: CPU registers 629c3c4176SSimon Horman - description: DMA engine registers 639c3c4176SSimon Horman 649c3c4176SSimon Horman interrupts: 659c3c4176SSimon Horman maxItems: 1 669c3c4176SSimon Horman 679c3c4176SSimon Horman clocks: 689c3c4176SSimon Horman maxItems: 1 699c3c4176SSimon Horman 709c3c4176SSimon Horman num-cs: 719c3c4176SSimon Horman description: | 729c3c4176SSimon Horman Total number of chip selects (default is 1). 739c3c4176SSimon Horman Up to 3 native chip selects are supported: 749c3c4176SSimon Horman 0: MSIOF_SYNC 759c3c4176SSimon Horman 1: MSIOF_SS1 769c3c4176SSimon Horman 2: MSIOF_SS2 779c3c4176SSimon Horman Hardware limitations related to chip selects: 789c3c4176SSimon Horman - Native chip selects are always deasserted in between transfers 799c3c4176SSimon Horman that are part of the same message. Use cs-gpios to work around 809c3c4176SSimon Horman this. 819c3c4176SSimon Horman - All slaves using native chip selects must use the same spi-cs-high 829c3c4176SSimon Horman configuration. Use cs-gpios to work around this. 839c3c4176SSimon Horman - When using GPIO chip selects, at least one native chip select must 849c3c4176SSimon Horman be left unused, as it will be driven anyway. 859c3c4176SSimon Horman minimum: 1 869c3c4176SSimon Horman maximum: 3 879c3c4176SSimon Horman default: 1 889c3c4176SSimon Horman 899c3c4176SSimon Horman dmas: 909c3c4176SSimon Horman minItems: 2 919c3c4176SSimon Horman maxItems: 4 929c3c4176SSimon Horman 939c3c4176SSimon Horman dma-names: 949c3c4176SSimon Horman minItems: 2 959c3c4176SSimon Horman maxItems: 4 969c3c4176SSimon Horman items: 979c3c4176SSimon Horman enum: [ tx, rx ] 989c3c4176SSimon Horman 999c3c4176SSimon Horman renesas,dtdl: 1009c3c4176SSimon Horman description: delay sync signal (setup) in transmit mode. 1013d21a460SRob Herring $ref: /schemas/types.yaml#/definitions/uint32 1023d21a460SRob Herring enum: 1039c3c4176SSimon Horman - 0 # no bit delay 1049c3c4176SSimon Horman - 50 # 0.5-clock-cycle delay 1059c3c4176SSimon Horman - 100 # 1-clock-cycle delay 1069c3c4176SSimon Horman - 150 # 1.5-clock-cycle delay 1079c3c4176SSimon Horman - 200 # 2-clock-cycle delay 1089c3c4176SSimon Horman 1099c3c4176SSimon Horman renesas,syncdl: 1109c3c4176SSimon Horman description: delay sync signal (hold) in transmit mode 1113d21a460SRob Herring $ref: /schemas/types.yaml#/definitions/uint32 1123d21a460SRob Herring enum: 1139c3c4176SSimon Horman - 0 # no bit delay 1149c3c4176SSimon Horman - 50 # 0.5-clock-cycle delay 1159c3c4176SSimon Horman - 100 # 1-clock-cycle delay 1169c3c4176SSimon Horman - 150 # 1.5-clock-cycle delay 1179c3c4176SSimon Horman - 200 # 2-clock-cycle delay 1189c3c4176SSimon Horman - 300 # 3-clock-cycle delay 1199c3c4176SSimon Horman 1209c3c4176SSimon Horman renesas,tx-fifo-size: 1219c3c4176SSimon Horman # deprecated for soctype-specific bindings 1229c3c4176SSimon Horman description: | 1239c3c4176SSimon Horman Override the default TX fifo size. Unit is words. Ignored if 0. 1243d21a460SRob Herring $ref: /schemas/types.yaml#/definitions/uint32 1253d21a460SRob Herring maxItems: 1 1269c3c4176SSimon Horman default: 64 1279c3c4176SSimon Horman 1289c3c4176SSimon Horman renesas,rx-fifo-size: 1299c3c4176SSimon Horman # deprecated for soctype-specific bindings 1309c3c4176SSimon Horman description: | 1319c3c4176SSimon Horman Override the default RX fifo size. Unit is words. Ignored if 0. 1323d21a460SRob Herring $ref: /schemas/types.yaml#/definitions/uint32 1333d21a460SRob Herring maxItems: 1 1349c3c4176SSimon Horman default: 64 1359c3c4176SSimon Horman 1369c3c4176SSimon Hormanrequired: 1379c3c4176SSimon Horman - compatible 1389c3c4176SSimon Horman - reg 1399c3c4176SSimon Horman - interrupts 1409c3c4176SSimon Horman - '#address-cells' 1419c3c4176SSimon Horman - '#size-cells' 1429c3c4176SSimon Horman 1439c3c4176SSimon Hormanexamples: 1449c3c4176SSimon Horman - | 1459c3c4176SSimon Horman #include <dt-bindings/clock/r8a7791-clock.h> 1469c3c4176SSimon Horman #include <dt-bindings/interrupt-controller/irq.h> 1479c3c4176SSimon Horman 1489c3c4176SSimon Horman msiof0: spi@e6e20000 { 1499c3c4176SSimon Horman compatible = "renesas,msiof-r8a7791", "renesas,rcar-gen2-msiof"; 150fba56184SRob Herring reg = <0xe6e20000 0x0064>; 1519c3c4176SSimon Horman interrupts = <0 156 IRQ_TYPE_LEVEL_HIGH>; 1529c3c4176SSimon Horman clocks = <&mstp0_clks R8A7791_CLK_MSIOF0>; 1539c3c4176SSimon Horman dmas = <&dmac0 0x51>, <&dmac0 0x52>; 1549c3c4176SSimon Horman dma-names = "tx", "rx"; 1559c3c4176SSimon Horman #address-cells = <1>; 1569c3c4176SSimon Horman #size-cells = <0>; 1579c3c4176SSimon Horman }; 158