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 335de04175SJohan Jonker - rockchip,rk3368-spi 345de04175SJohan Jonker - rockchip,rk3399-spi 355de04175SJohan Jonker - const: rockchip,rk3066-spi 365de04175SJohan Jonker 375de04175SJohan Jonker reg: 385de04175SJohan Jonker maxItems: 1 395de04175SJohan Jonker 405de04175SJohan Jonker interrupts: 415de04175SJohan Jonker maxItems: 1 425de04175SJohan Jonker 435de04175SJohan Jonker clocks: 445de04175SJohan Jonker items: 455de04175SJohan Jonker - description: transfer-clock 465de04175SJohan Jonker - description: peripheral clock 475de04175SJohan Jonker 485de04175SJohan Jonker clock-names: 495de04175SJohan Jonker items: 505de04175SJohan Jonker - const: spiclk 515de04175SJohan Jonker - const: apb_pclk 525de04175SJohan Jonker 535de04175SJohan Jonker dmas: 545de04175SJohan Jonker items: 555de04175SJohan Jonker - description: TX DMA Channel 565de04175SJohan Jonker - description: RX DMA Channel 575de04175SJohan Jonker 585de04175SJohan Jonker dma-names: 595de04175SJohan Jonker items: 605de04175SJohan Jonker - const: tx 615de04175SJohan Jonker - const: rx 625de04175SJohan Jonker 635de04175SJohan Jonker rx-sample-delay-ns: 645de04175SJohan Jonker default: 0 655de04175SJohan Jonker description: 665de04175SJohan Jonker Nano seconds to delay after the SCLK edge before sampling Rx data 675de04175SJohan Jonker (may need to be fine tuned for high capacitance lines). 685de04175SJohan Jonker If not specified 0 will be used. 695de04175SJohan Jonker 705de04175SJohan Jonker pinctrl-names: 715de04175SJohan Jonker minItems: 1 725de04175SJohan Jonker items: 735de04175SJohan Jonker - const: default 745de04175SJohan Jonker - const: sleep 755de04175SJohan Jonker description: 765de04175SJohan Jonker Names for the pin configuration(s); may be "default" or "sleep", 775de04175SJohan Jonker where the "sleep" configuration may describe the state 785de04175SJohan Jonker the pins should be in during system suspend. 795de04175SJohan Jonker 805de04175SJohan Jonkerrequired: 815de04175SJohan Jonker - compatible 825de04175SJohan Jonker - reg 835de04175SJohan Jonker - interrupts 845de04175SJohan Jonker - clocks 855de04175SJohan Jonker - clock-names 865de04175SJohan Jonker 875de04175SJohan Jonkerexamples: 885de04175SJohan Jonker - | 895de04175SJohan Jonker #include <dt-bindings/clock/rk3188-cru-common.h> 905de04175SJohan Jonker #include <dt-bindings/interrupt-controller/arm-gic.h> 915de04175SJohan Jonker #include <dt-bindings/interrupt-controller/irq.h> 925de04175SJohan Jonker spi0: spi@ff110000 { 935de04175SJohan Jonker compatible = "rockchip,rk3066-spi"; 945de04175SJohan Jonker reg = <0xff110000 0x1000>; 955de04175SJohan Jonker interrupts = <GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>; 965de04175SJohan Jonker clocks = <&cru SCLK_SPI0>, <&cru PCLK_SPI0>; 975de04175SJohan Jonker clock-names = "spiclk", "apb_pclk"; 985de04175SJohan Jonker dmas = <&pdma1 11>, <&pdma1 12>; 995de04175SJohan Jonker dma-names = "tx", "rx"; 1005de04175SJohan Jonker pinctrl-0 = <&spi1_pins>; 1015de04175SJohan Jonker pinctrl-1 = <&spi1_sleep>; 1025de04175SJohan Jonker pinctrl-names = "default", "sleep"; 1035de04175SJohan Jonker rx-sample-delay-ns = <10>; 1045de04175SJohan Jonker #address-cells = <1>; 1055de04175SJohan Jonker #size-cells = <0>; 1065de04175SJohan Jonker }; 107