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 365de04175SJohan Jonker - const: rockchip,rk3066-spi 375de04175SJohan Jonker 385de04175SJohan Jonker reg: 395de04175SJohan Jonker maxItems: 1 405de04175SJohan Jonker 415de04175SJohan Jonker interrupts: 425de04175SJohan Jonker maxItems: 1 435de04175SJohan Jonker 445de04175SJohan Jonker clocks: 455de04175SJohan Jonker items: 465de04175SJohan Jonker - description: transfer-clock 475de04175SJohan Jonker - description: peripheral clock 485de04175SJohan Jonker 495de04175SJohan Jonker clock-names: 505de04175SJohan Jonker items: 515de04175SJohan Jonker - const: spiclk 525de04175SJohan Jonker - const: apb_pclk 535de04175SJohan Jonker 545de04175SJohan Jonker dmas: 555de04175SJohan Jonker items: 565de04175SJohan Jonker - description: TX DMA Channel 575de04175SJohan Jonker - description: RX DMA Channel 585de04175SJohan Jonker 595de04175SJohan Jonker dma-names: 605de04175SJohan Jonker items: 615de04175SJohan Jonker - const: tx 625de04175SJohan Jonker - const: rx 635de04175SJohan Jonker 645de04175SJohan Jonker rx-sample-delay-ns: 655de04175SJohan Jonker default: 0 665de04175SJohan Jonker description: 675de04175SJohan Jonker Nano seconds to delay after the SCLK edge before sampling Rx data 685de04175SJohan Jonker (may need to be fine tuned for high capacitance lines). 695de04175SJohan Jonker If not specified 0 will be used. 705de04175SJohan Jonker 715de04175SJohan Jonker pinctrl-names: 725de04175SJohan Jonker minItems: 1 735de04175SJohan Jonker items: 745de04175SJohan Jonker - const: default 755de04175SJohan Jonker - const: sleep 765de04175SJohan Jonker description: 775de04175SJohan Jonker Names for the pin configuration(s); may be "default" or "sleep", 785de04175SJohan Jonker where the "sleep" configuration may describe the state 795de04175SJohan Jonker the pins should be in during system suspend. 805de04175SJohan Jonker 815de04175SJohan Jonkerrequired: 825de04175SJohan Jonker - compatible 835de04175SJohan Jonker - reg 845de04175SJohan Jonker - interrupts 855de04175SJohan Jonker - clocks 865de04175SJohan Jonker - clock-names 875de04175SJohan Jonker 886fdc6e23SRob HerringunevaluatedProperties: false 896fdc6e23SRob Herring 905de04175SJohan Jonkerexamples: 915de04175SJohan Jonker - | 925de04175SJohan Jonker #include <dt-bindings/clock/rk3188-cru-common.h> 935de04175SJohan Jonker #include <dt-bindings/interrupt-controller/arm-gic.h> 945de04175SJohan Jonker #include <dt-bindings/interrupt-controller/irq.h> 955de04175SJohan Jonker spi0: spi@ff110000 { 965de04175SJohan Jonker compatible = "rockchip,rk3066-spi"; 975de04175SJohan Jonker reg = <0xff110000 0x1000>; 985de04175SJohan Jonker interrupts = <GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>; 995de04175SJohan Jonker clocks = <&cru SCLK_SPI0>, <&cru PCLK_SPI0>; 1005de04175SJohan Jonker clock-names = "spiclk", "apb_pclk"; 1015de04175SJohan Jonker dmas = <&pdma1 11>, <&pdma1 12>; 1025de04175SJohan Jonker dma-names = "tx", "rx"; 1035de04175SJohan Jonker pinctrl-0 = <&spi1_pins>; 1045de04175SJohan Jonker pinctrl-1 = <&spi1_sleep>; 1055de04175SJohan Jonker pinctrl-names = "default", "sleep"; 1065de04175SJohan Jonker rx-sample-delay-ns = <10>; 1075de04175SJohan Jonker #address-cells = <1>; 1085de04175SJohan Jonker #size-cells = <0>; 1095de04175SJohan Jonker }; 110