Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame^] | 1 | # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/phy/starfive,jh7110-pcie-phy.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: StarFive JH7110 PCIe 2.0 PHY |
| 8 | |
| 9 | maintainers: |
| 10 | - Minda Chen <minda.chen@starfivetech.com> |
| 11 | |
| 12 | properties: |
| 13 | compatible: |
| 14 | const: starfive,jh7110-pcie-phy |
| 15 | |
| 16 | reg: |
| 17 | maxItems: 1 |
| 18 | |
| 19 | "#phy-cells": |
| 20 | const: 0 |
| 21 | |
| 22 | starfive,sys-syscon: |
| 23 | $ref: /schemas/types.yaml#/definitions/phandle-array |
| 24 | items: |
| 25 | - items: |
| 26 | - description: phandle to System Register Controller sys_syscon node. |
| 27 | - description: PHY connect offset of SYS_SYSCONSAIF__SYSCFG register for USB PHY. |
| 28 | description: |
| 29 | The phandle to System Register Controller syscon node and the PHY connect offset |
| 30 | of SYS_SYSCONSAIF__SYSCFG register. Connect PHY to USB3 controller. |
| 31 | |
| 32 | starfive,stg-syscon: |
| 33 | $ref: /schemas/types.yaml#/definitions/phandle-array |
| 34 | items: |
| 35 | - items: |
| 36 | - description: phandle to System Register Controller stg_syscon node. |
| 37 | - description: PHY mode offset of STG_SYSCONSAIF__SYSCFG register. |
| 38 | - description: PHY enable for USB offset of STG_SYSCONSAIF__SYSCFG register. |
| 39 | description: |
| 40 | The phandle to System Register Controller syscon node and the offset |
| 41 | of STG_SYSCONSAIF__SYSCFG register for PCIe PHY. Total 2 regsisters offset. |
| 42 | |
| 43 | required: |
| 44 | - compatible |
| 45 | - reg |
| 46 | - "#phy-cells" |
| 47 | |
| 48 | additionalProperties: false |
| 49 | |
| 50 | examples: |
| 51 | - | |
| 52 | phy@10210000 { |
| 53 | compatible = "starfive,jh7110-pcie-phy"; |
| 54 | reg = <0x10210000 0x10000>; |
| 55 | #phy-cells = <0>; |
| 56 | starfive,sys-syscon = <&sys_syscon 0x18>; |
| 57 | starfive,stg-syscon = <&stg_syscon 0x148 0x1f4>; |
| 58 | }; |