1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2 %YAML 1.2 3 --- 4 $id: http://devicetree.org/schemas/ata/sata-common.yaml# 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 6 7 title: Common Properties for Serial AT attachment (SATA) controllers 8 9 maintainers: 10 - Linus Walleij <linus.walleij@linaro.org> 11 12 description: | 13 This document defines device tree properties common to most Serial 14 AT attachment (SATA) storage devices. It doesn't constitute a device tree 15 binding specification by itself but is meant to be referenced by device 16 tree bindings. 17 18 The SATA controller-specific device tree bindings are responsible for 19 defining whether each property is required or optional. 20 21 properties: 22 $nodename: 23 pattern: "^sata(@.*)?$" 24 description: 25 Specifies the host controller node. SATA host controller nodes are named 26 "sata" 27 28 "#address-cells": 29 const: 1 30 31 "#size-cells": 32 const: 0 33 34 dma-coherent: true 35 36 patternProperties: 37 "^sata-port@[0-9a-e]$": 38 $ref: '#/$defs/sata-port' 39 description: | 40 DT nodes for ports connected on the SATA host. The SATA port 41 nodes will be named "sata-port". 42 43 additionalProperties: true 44 45 $defs: 46 sata-port: 47 type: object 48 49 properties: 50 reg: 51 minimum: 0 52 description: 53 The ID number of the SATA port. Aside with being directly used, 54 each port can have a Port Multiplier attached thus allowing to 55 access more than one drive by means of a single SATA port. 56 57 ...
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