| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/phy/brcm,sata-phy.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Broadcom SATA3 PHY |
| 8 | |
| 9 | maintainers: |
| 10 | - Florian Fainelli <f.fainelli@gmail.com> |
| 11 | |
| 12 | properties: |
| 13 | $nodename: |
| 14 | pattern: "^sata[-|_]phy(@.*)?$" |
| 15 | |
| 16 | compatible: |
| 17 | oneOf: |
| 18 | - items: |
| 19 | - enum: |
| 20 | - brcm,bcm7216-sata-phy |
| 21 | - brcm,bcm7425-sata-phy |
| 22 | - brcm,bcm7445-sata-phy |
| 23 | - brcm,bcm63138-sata-phy |
| 24 | - const: brcm,phy-sata3 |
| 25 | - items: |
| 26 | - const: brcm,iproc-nsp-sata-phy |
| 27 | - items: |
| 28 | - const: brcm,iproc-ns2-sata-phy |
| 29 | - items: |
| 30 | - const: brcm,iproc-sr-sata-phy |
| 31 | |
| 32 | reg: |
| 33 | minItems: 1 |
| 34 | maxItems: 2 |
| 35 | |
| 36 | reg-names: |
| 37 | minItems: 1 |
| 38 | items: |
| 39 | - const: phy |
| 40 | - const: phy-ctrl |
| 41 | |
| 42 | "#address-cells": |
| 43 | const: 1 |
| 44 | |
| 45 | "#size-cells": |
| 46 | const: 0 |
| 47 | |
| 48 | patternProperties: |
| 49 | "^sata-phy@[0-9]+$": |
| 50 | type: object |
| 51 | description: | |
| 52 | Each port's PHY should be represented as a sub-node. |
| 53 | |
| 54 | properties: |
| 55 | reg: |
| 56 | description: The SATA PHY port number |
| 57 | maxItems: 1 |
| 58 | |
| 59 | "#phy-cells": |
| 60 | const: 0 |
| 61 | |
| 62 | "brcm,enable-ssc": |
| 63 | $ref: /schemas/types.yaml#/definitions/flag |
| 64 | description: | |
| 65 | Use spread spectrum clocking (SSC) on this port |
| 66 | This property is not applicable for "brcm,iproc-ns2-sata-phy", |
| 67 | "brcm,iproc-nsp-sata-phy" and "brcm,iproc-sr-sata-phy". |
| 68 | |
| 69 | "brcm,rxaeq-mode": |
| 70 | $ref: /schemas/types.yaml#/definitions/string |
| 71 | description: |
| 72 | String that indicates the desired RX equalizer mode. |
| 73 | enum: |
| 74 | - off |
| 75 | - auto |
| 76 | - manual |
| 77 | |
| 78 | "brcm,rxaeq-value": |
| 79 | $ref: /schemas/types.yaml#/definitions/uint32 |
| 80 | description: | |
| 81 | When 'brcm,rxaeq-mode' is set to "manual", provides the RX |
| 82 | equalizer value that should be used. |
| 83 | minimum: 0 |
| 84 | maximum: 63 |
| 85 | |
| 86 | "brcm,tx-amplitude-millivolt": |
| 87 | description: | |
| 88 | Transmit amplitude voltage in millivolt. |
| 89 | $ref: /schemas/types.yaml#/definitions/uint32 |
| 90 | enum: [400, 500, 600, 800] |
| 91 | |
| 92 | required: |
| 93 | - reg |
| 94 | - "#phy-cells" |
| 95 | |
| 96 | additionalProperties: false |
| 97 | |
| 98 | if: |
| 99 | properties: |
| 100 | compatible: |
| 101 | const: brcm,iproc-ns2-sata-phy |
| 102 | then: |
| 103 | properties: |
| 104 | reg: |
| 105 | minItems: 2 |
| 106 | |
| 107 | reg-names: |
| 108 | minItems: 2 |
| 109 | else: |
| 110 | properties: |
| 111 | reg: |
| 112 | maxItems: 1 |
| 113 | |
| 114 | reg-names: |
| 115 | maxItems: 1 |
| 116 | |
| 117 | required: |
| 118 | - compatible |
| 119 | - "#address-cells" |
| 120 | - "#size-cells" |
| 121 | - reg |
| 122 | - reg-names |
| 123 | |
| 124 | additionalProperties: false |
| 125 | |
| 126 | examples: |
| 127 | - | |
| 128 | sata_phy@f0458100 { |
| 129 | compatible = "brcm,bcm7445-sata-phy", "brcm,phy-sata3"; |
| 130 | reg = <0xf0458100 0x1e00>; |
| 131 | reg-names = "phy"; |
| 132 | #address-cells = <1>; |
| 133 | #size-cells = <0>; |
| 134 | |
| 135 | sata-phy@0 { |
| 136 | reg = <0>; |
| 137 | #phy-cells = <0>; |
| 138 | }; |
| 139 | |
| 140 | sata-phy@1 { |
| 141 | reg = <1>; |
| 142 | #phy-cells = <0>; |
| 143 | }; |
| 144 | }; |