cdns,xspi.yaml (1884B)
1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) 2# Copyright 2020-21 Cadence 3%YAML 1.2 4--- 5$id: "http://devicetree.org/schemas/spi/cdns,xspi.yaml#" 6$schema: "http://devicetree.org/meta-schemas/core.yaml#" 7 8title: Cadence XSPI Controller 9 10maintainers: 11 - Parshuram Thombare <pthombar@cadence.com> 12 13description: | 14 The XSPI controller allows SPI protocol communication in 15 single, dual, quad or octal wire transmission modes for 16 read/write access to slaves such as SPI-NOR flash. 17 18allOf: 19 - $ref: "spi-controller.yaml#" 20 21properties: 22 compatible: 23 const: cdns,xspi-nor 24 25 reg: 26 items: 27 - description: address and length of the controller register set 28 - description: address and length of the Slave DMA data port 29 - description: address and length of the auxiliary registers 30 31 reg-names: 32 items: 33 - const: io 34 - const: sdma 35 - const: aux 36 37 interrupts: 38 maxItems: 1 39 40required: 41 - compatible 42 - reg 43 - interrupts 44 45unevaluatedProperties: false 46 47examples: 48 - | 49 #include <dt-bindings/interrupt-controller/irq.h> 50 bus { 51 #address-cells = <2>; 52 #size-cells = <2>; 53 54 xspi: spi@a0010000 { 55 #address-cells = <1>; 56 #size-cells = <0>; 57 compatible = "cdns,xspi-nor"; 58 reg = <0x0 0xa0010000 0x0 0x1040>, 59 <0x0 0xb0000000 0x0 0x1000>, 60 <0x0 0xa0020000 0x0 0x100>; 61 reg-names = "io", "sdma", "aux"; 62 interrupts = <0 90 IRQ_TYPE_LEVEL_HIGH>; 63 interrupt-parent = <&gic>; 64 65 flash@0 { 66 compatible = "jedec,spi-nor"; 67 spi-max-frequency = <75000000>; 68 reg = <0>; 69 }; 70 71 flash@1 { 72 compatible = "jedec,spi-nor"; 73 spi-max-frequency = <75000000>; 74 reg = <1>; 75 }; 76 }; 77 };