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 325de04175SJohan Jonker - rockchip,rk3368-spi 335de04175SJohan Jonker - rockchip,rk3399-spi 345de04175SJohan Jonker - const: rockchip,rk3066-spi 355de04175SJohan Jonker 365de04175SJohan Jonker reg: 375de04175SJohan Jonker maxItems: 1 385de04175SJohan Jonker 395de04175SJohan Jonker interrupts: 405de04175SJohan Jonker maxItems: 1 415de04175SJohan Jonker 425de04175SJohan Jonker clocks: 435de04175SJohan Jonker items: 445de04175SJohan Jonker - description: transfer-clock 455de04175SJohan Jonker - description: peripheral clock 465de04175SJohan Jonker 475de04175SJohan Jonker clock-names: 485de04175SJohan Jonker items: 495de04175SJohan Jonker - const: spiclk 505de04175SJohan Jonker - const: apb_pclk 515de04175SJohan Jonker 525de04175SJohan Jonker dmas: 535de04175SJohan Jonker items: 545de04175SJohan Jonker - description: TX DMA Channel 555de04175SJohan Jonker - description: RX DMA Channel 565de04175SJohan Jonker 575de04175SJohan Jonker dma-names: 585de04175SJohan Jonker items: 595de04175SJohan Jonker - const: tx 605de04175SJohan Jonker - const: rx 615de04175SJohan Jonker 625de04175SJohan Jonker rx-sample-delay-ns: 635de04175SJohan Jonker default: 0 645de04175SJohan Jonker description: 655de04175SJohan Jonker Nano seconds to delay after the SCLK edge before sampling Rx data 665de04175SJohan Jonker (may need to be fine tuned for high capacitance lines). 675de04175SJohan Jonker If not specified 0 will be used. 685de04175SJohan Jonker 695de04175SJohan Jonker pinctrl-names: 705de04175SJohan Jonker minItems: 1 715de04175SJohan Jonker items: 725de04175SJohan Jonker - const: default 735de04175SJohan Jonker - const: sleep 745de04175SJohan Jonker description: 755de04175SJohan Jonker Names for the pin configuration(s); may be "default" or "sleep", 765de04175SJohan Jonker where the "sleep" configuration may describe the state 775de04175SJohan Jonker the pins should be in during system suspend. 785de04175SJohan Jonker 795de04175SJohan Jonkerrequired: 805de04175SJohan Jonker - compatible 815de04175SJohan Jonker - reg 825de04175SJohan Jonker - interrupts 835de04175SJohan Jonker - clocks 845de04175SJohan Jonker - clock-names 855de04175SJohan Jonker 865de04175SJohan Jonkerexamples: 875de04175SJohan Jonker - | 885de04175SJohan Jonker #include <dt-bindings/clock/rk3188-cru-common.h> 895de04175SJohan Jonker #include <dt-bindings/interrupt-controller/arm-gic.h> 905de04175SJohan Jonker #include <dt-bindings/interrupt-controller/irq.h> 915de04175SJohan Jonker spi0: spi@ff110000 { 925de04175SJohan Jonker compatible = "rockchip,rk3066-spi"; 935de04175SJohan Jonker reg = <0xff110000 0x1000>; 945de04175SJohan Jonker interrupts = <GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>; 955de04175SJohan Jonker clocks = <&cru SCLK_SPI0>, <&cru PCLK_SPI0>; 965de04175SJohan Jonker clock-names = "spiclk", "apb_pclk"; 975de04175SJohan Jonker dmas = <&pdma1 11>, <&pdma1 12>; 985de04175SJohan Jonker dma-names = "tx", "rx"; 995de04175SJohan Jonker pinctrl-0 = <&spi1_pins>; 1005de04175SJohan Jonker pinctrl-1 = <&spi1_sleep>; 1015de04175SJohan Jonker pinctrl-names = "default", "sleep"; 1025de04175SJohan Jonker rx-sample-delay-ns = <10>; 1035de04175SJohan Jonker #address-cells = <1>; 1045de04175SJohan Jonker #size-cells = <0>; 1055de04175SJohan Jonker }; 106