15de04175SJohan Jonker# SPDX-License-Identifier: GPL-2.0 25de04175SJohan Jonker%YAML 1.2 35de04175SJohan Jonker--- 45de04175SJohan Jonker$id: http://devicetree.org/schemas/spi/spi-rockchip.yaml# 55de04175SJohan Jonker$schema: http://devicetree.org/meta-schemas/core.yaml# 65de04175SJohan Jonker 75de04175SJohan Jonkertitle: Rockchip SPI Controller 85de04175SJohan Jonker 95de04175SJohan Jonkerdescription: 105de04175SJohan Jonker The Rockchip SPI controller is used to interface with various devices such 115de04175SJohan Jonker as flash and display controllers using the SPI communication interface. 125de04175SJohan Jonker 135de04175SJohan JonkerallOf: 145de04175SJohan Jonker - $ref: "spi-controller.yaml#" 155de04175SJohan Jonker 165de04175SJohan Jonkermaintainers: 175de04175SJohan Jonker - Heiko Stuebner <heiko@sntech.de> 185de04175SJohan Jonker 195de04175SJohan Jonker# Everything else is described in the common file 205de04175SJohan Jonkerproperties: 215de04175SJohan Jonker compatible: 225de04175SJohan Jonker oneOf: 235de04175SJohan Jonker - const: rockchip,rk3036-spi 245de04175SJohan Jonker - const: rockchip,rk3066-spi 255de04175SJohan Jonker - const: rockchip,rk3228-spi 265de04175SJohan Jonker - const: rockchip,rv1108-spi 275de04175SJohan Jonker - items: 285de04175SJohan Jonker - enum: 295de04175SJohan Jonker - rockchip,px30-spi 30*b04c2a19SJohan Jonker - rockchip,rk3128-spi 315de04175SJohan Jonker - rockchip,rk3188-spi 325de04175SJohan Jonker - rockchip,rk3288-spi 33db7dd939SJohan Jonker - rockchip,rk3308-spi 346ac12131SJohan Jonker - rockchip,rk3328-spi 355de04175SJohan Jonker - rockchip,rk3368-spi 365de04175SJohan Jonker - rockchip,rk3399-spi 3707fb78a7SNicolas Frattaroli - rockchip,rk3568-spi 38fb43eb0aSSebastian Reichel - rockchip,rk3588-spi 39c58c7e9bSJon Lin - rockchip,rv1126-spi 405de04175SJohan Jonker - const: rockchip,rk3066-spi 415de04175SJohan Jonker 425de04175SJohan Jonker reg: 435de04175SJohan Jonker maxItems: 1 445de04175SJohan Jonker 455de04175SJohan Jonker interrupts: 465de04175SJohan Jonker maxItems: 1 475de04175SJohan Jonker 485de04175SJohan Jonker clocks: 495de04175SJohan Jonker items: 505de04175SJohan Jonker - description: transfer-clock 515de04175SJohan Jonker - description: peripheral clock 525de04175SJohan Jonker 535de04175SJohan Jonker clock-names: 545de04175SJohan Jonker items: 555de04175SJohan Jonker - const: spiclk 565de04175SJohan Jonker - const: apb_pclk 575de04175SJohan Jonker 585de04175SJohan Jonker dmas: 595de04175SJohan Jonker items: 605de04175SJohan Jonker - description: TX DMA Channel 615de04175SJohan Jonker - description: RX DMA Channel 625de04175SJohan Jonker 635de04175SJohan Jonker dma-names: 645de04175SJohan Jonker items: 655de04175SJohan Jonker - const: tx 665de04175SJohan Jonker - const: rx 675de04175SJohan Jonker 685de04175SJohan Jonker rx-sample-delay-ns: 695de04175SJohan Jonker default: 0 705de04175SJohan Jonker description: 715de04175SJohan Jonker Nano seconds to delay after the SCLK edge before sampling Rx data 725de04175SJohan Jonker (may need to be fine tuned for high capacitance lines). 735de04175SJohan Jonker If not specified 0 will be used. 745de04175SJohan Jonker 755de04175SJohan Jonker pinctrl-names: 765de04175SJohan Jonker minItems: 1 775de04175SJohan Jonker items: 785de04175SJohan Jonker - const: default 795de04175SJohan Jonker - const: sleep 805de04175SJohan Jonker description: 815de04175SJohan Jonker Names for the pin configuration(s); may be "default" or "sleep", 825de04175SJohan Jonker where the "sleep" configuration may describe the state 835de04175SJohan Jonker the pins should be in during system suspend. 845de04175SJohan Jonker 855de04175SJohan Jonkerrequired: 865de04175SJohan Jonker - compatible 875de04175SJohan Jonker - reg 885de04175SJohan Jonker - interrupts 895de04175SJohan Jonker - clocks 905de04175SJohan Jonker - clock-names 915de04175SJohan Jonker 926fdc6e23SRob HerringunevaluatedProperties: false 936fdc6e23SRob Herring 945de04175SJohan Jonkerexamples: 955de04175SJohan Jonker - | 965de04175SJohan Jonker #include <dt-bindings/clock/rk3188-cru-common.h> 975de04175SJohan Jonker #include <dt-bindings/interrupt-controller/arm-gic.h> 985de04175SJohan Jonker #include <dt-bindings/interrupt-controller/irq.h> 995de04175SJohan Jonker spi0: spi@ff110000 { 1005de04175SJohan Jonker compatible = "rockchip,rk3066-spi"; 1015de04175SJohan Jonker reg = <0xff110000 0x1000>; 1025de04175SJohan Jonker interrupts = <GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>; 1035de04175SJohan Jonker clocks = <&cru SCLK_SPI0>, <&cru PCLK_SPI0>; 1045de04175SJohan Jonker clock-names = "spiclk", "apb_pclk"; 1055de04175SJohan Jonker dmas = <&pdma1 11>, <&pdma1 12>; 1065de04175SJohan Jonker dma-names = "tx", "rx"; 1075de04175SJohan Jonker pinctrl-0 = <&spi1_pins>; 1085de04175SJohan Jonker pinctrl-1 = <&spi1_sleep>; 1095de04175SJohan Jonker pinctrl-names = "default", "sleep"; 1105de04175SJohan Jonker rx-sample-delay-ns = <10>; 1115de04175SJohan Jonker #address-cells = <1>; 1125de04175SJohan Jonker #size-cells = <0>; 1135de04175SJohan Jonker }; 114