intel,hps-copy-engine.yaml (1307B)
1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) 2# Copyright (C) 2022, Intel Corporation 3%YAML 1.2 4--- 5$id: "http://devicetree.org/schemas/soc/intel/intel,hps-copy-engine.yaml#" 6$schema: "http://devicetree.org/meta-schemas/core.yaml#" 7 8title: Intel HPS Copy Engine 9 10maintainers: 11 - Matthew Gerlach <matthew.gerlach@linux.intel.com> 12 13description: | 14 The Intel Hard Processor System (HPS) Copy Engine is an IP block used to copy 15 a bootable image from host memory to HPS DDR. Additionally, there is a 16 register the HPS can use to indicate the state of booting the copied image as 17 well as a keep-a-live indication to the host. 18 19properties: 20 compatible: 21 const: intel,hps-copy-engine 22 23 '#dma-cells': 24 const: 1 25 26 reg: 27 maxItems: 1 28 29required: 30 - compatible 31 - reg 32 33additionalProperties: false 34 35examples: 36 - | 37 bus@80000000 { 38 compatible = "simple-bus"; 39 reg = <0x80000000 0x60000000>, 40 <0xf9000000 0x00100000>; 41 reg-names = "axi_h2f", "axi_h2f_lw"; 42 #address-cells = <2>; 43 #size-cells = <1>; 44 ranges = <0x00000000 0x00000000 0xf9000000 0x00001000>; 45 46 dma-controller@0 { 47 compatible = "intel,hps-copy-engine"; 48 reg = <0x00000000 0x00000000 0x00001000>; 49 #dma-cells = <1>; 50 }; 51 };