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 305de04175SJohan Jonker - rockchip,rk3188-spi 315de04175SJohan Jonker - rockchip,rk3288-spi 32db7dd939SJohan Jonker - rockchip,rk3308-spi 336ac12131SJohan Jonker - rockchip,rk3328-spi 345de04175SJohan Jonker - rockchip,rk3368-spi 355de04175SJohan Jonker - rockchip,rk3399-spi 36*c58c7e9bSJon Lin - rockchip,rv1126-spi 375de04175SJohan Jonker - const: rockchip,rk3066-spi 385de04175SJohan Jonker 395de04175SJohan Jonker reg: 405de04175SJohan Jonker maxItems: 1 415de04175SJohan Jonker 425de04175SJohan Jonker interrupts: 435de04175SJohan Jonker maxItems: 1 445de04175SJohan Jonker 455de04175SJohan Jonker clocks: 465de04175SJohan Jonker items: 475de04175SJohan Jonker - description: transfer-clock 485de04175SJohan Jonker - description: peripheral clock 495de04175SJohan Jonker 505de04175SJohan Jonker clock-names: 515de04175SJohan Jonker items: 525de04175SJohan Jonker - const: spiclk 535de04175SJohan Jonker - const: apb_pclk 545de04175SJohan Jonker 555de04175SJohan Jonker dmas: 565de04175SJohan Jonker items: 575de04175SJohan Jonker - description: TX DMA Channel 585de04175SJohan Jonker - description: RX DMA Channel 595de04175SJohan Jonker 605de04175SJohan Jonker dma-names: 615de04175SJohan Jonker items: 625de04175SJohan Jonker - const: tx 635de04175SJohan Jonker - const: rx 645de04175SJohan Jonker 655de04175SJohan Jonker rx-sample-delay-ns: 665de04175SJohan Jonker default: 0 675de04175SJohan Jonker description: 685de04175SJohan Jonker Nano seconds to delay after the SCLK edge before sampling Rx data 695de04175SJohan Jonker (may need to be fine tuned for high capacitance lines). 705de04175SJohan Jonker If not specified 0 will be used. 715de04175SJohan Jonker 725de04175SJohan Jonker pinctrl-names: 735de04175SJohan Jonker minItems: 1 745de04175SJohan Jonker items: 755de04175SJohan Jonker - const: default 765de04175SJohan Jonker - const: sleep 775de04175SJohan Jonker description: 785de04175SJohan Jonker Names for the pin configuration(s); may be "default" or "sleep", 795de04175SJohan Jonker where the "sleep" configuration may describe the state 805de04175SJohan Jonker the pins should be in during system suspend. 815de04175SJohan Jonker 825de04175SJohan Jonkerrequired: 835de04175SJohan Jonker - compatible 845de04175SJohan Jonker - reg 855de04175SJohan Jonker - interrupts 865de04175SJohan Jonker - clocks 875de04175SJohan Jonker - clock-names 885de04175SJohan Jonker 896fdc6e23SRob HerringunevaluatedProperties: false 906fdc6e23SRob Herring 915de04175SJohan Jonkerexamples: 925de04175SJohan Jonker - | 935de04175SJohan Jonker #include <dt-bindings/clock/rk3188-cru-common.h> 945de04175SJohan Jonker #include <dt-bindings/interrupt-controller/arm-gic.h> 955de04175SJohan Jonker #include <dt-bindings/interrupt-controller/irq.h> 965de04175SJohan Jonker spi0: spi@ff110000 { 975de04175SJohan Jonker compatible = "rockchip,rk3066-spi"; 985de04175SJohan Jonker reg = <0xff110000 0x1000>; 995de04175SJohan Jonker interrupts = <GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>; 1005de04175SJohan Jonker clocks = <&cru SCLK_SPI0>, <&cru PCLK_SPI0>; 1015de04175SJohan Jonker clock-names = "spiclk", "apb_pclk"; 1025de04175SJohan Jonker dmas = <&pdma1 11>, <&pdma1 12>; 1035de04175SJohan Jonker dma-names = "tx", "rx"; 1045de04175SJohan Jonker pinctrl-0 = <&spi1_pins>; 1055de04175SJohan Jonker pinctrl-1 = <&spi1_sleep>; 1065de04175SJohan Jonker pinctrl-names = "default", "sleep"; 1075de04175SJohan Jonker rx-sample-delay-ns = <10>; 1085de04175SJohan Jonker #address-cells = <1>; 1095de04175SJohan Jonker #size-cells = <0>; 1105de04175SJohan Jonker }; 111