Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: GPL-2.0 |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/phy/allwinner,sun9i-a80-usb-phy.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Allwinner A80 USB PHY |
| 8 | |
| 9 | maintainers: |
| 10 | - Chen-Yu Tsai <wens@csie.org> |
| 11 | - Maxime Ripard <mripard@kernel.org> |
| 12 | |
| 13 | properties: |
| 14 | "#phy-cells": |
| 15 | const: 0 |
| 16 | |
| 17 | compatible: |
| 18 | const: allwinner,sun9i-a80-usb-phy |
| 19 | |
| 20 | reg: |
| 21 | maxItems: 1 |
| 22 | |
| 23 | clocks: |
| 24 | anyOf: |
| 25 | - maxItems: 1 |
| 26 | description: Main PHY Clock |
| 27 | |
| 28 | - items: |
| 29 | - description: Main PHY clock |
| 30 | - description: HSIC 12MHz clock |
| 31 | - description: HSIC 480MHz clock |
| 32 | |
| 33 | clock-names: |
| 34 | oneOf: |
| 35 | - const: phy |
| 36 | |
| 37 | - items: |
| 38 | - const: phy |
| 39 | - const: hsic_12M |
| 40 | - const: hsic_480M |
| 41 | |
| 42 | resets: |
| 43 | minItems: 1 |
| 44 | items: |
| 45 | - description: Normal USB PHY reset |
| 46 | - description: HSIC Reset |
| 47 | |
| 48 | reset-names: |
| 49 | minItems: 1 |
| 50 | items: |
| 51 | - const: phy |
| 52 | - const: hsic |
| 53 | |
| 54 | phy_type: |
| 55 | const: hsic |
| 56 | description: |
| 57 | When absent, the PHY type will be assumed to be normal USB. |
| 58 | |
| 59 | phy-supply: |
| 60 | description: |
| 61 | Regulator that powers VBUS |
| 62 | |
| 63 | required: |
| 64 | - "#phy-cells" |
| 65 | - compatible |
| 66 | - reg |
| 67 | - clocks |
| 68 | - clock-names |
| 69 | - resets |
| 70 | - reset-names |
| 71 | |
| 72 | additionalProperties: false |
| 73 | |
| 74 | if: |
| 75 | properties: |
| 76 | phy_type: |
| 77 | const: hsic |
| 78 | |
| 79 | required: |
| 80 | - phy_type |
| 81 | |
| 82 | then: |
| 83 | properties: |
| 84 | clocks: |
| 85 | maxItems: 3 |
| 86 | |
| 87 | clock-names: |
| 88 | maxItems: 3 |
| 89 | |
| 90 | resets: |
| 91 | maxItems: 2 |
| 92 | |
| 93 | reset-names: |
| 94 | maxItems: 2 |
| 95 | |
| 96 | examples: |
| 97 | - | |
| 98 | #include <dt-bindings/clock/sun9i-a80-usb.h> |
| 99 | #include <dt-bindings/reset/sun9i-a80-usb.h> |
| 100 | |
| 101 | usbphy1: phy@a00800 { |
| 102 | compatible = "allwinner,sun9i-a80-usb-phy"; |
| 103 | reg = <0x00a00800 0x4>; |
| 104 | clocks = <&usb_clocks CLK_USB0_PHY>; |
| 105 | clock-names = "phy"; |
| 106 | resets = <&usb_clocks RST_USB0_PHY>; |
| 107 | reset-names = "phy"; |
| 108 | phy-supply = <®_usb1_vbus>; |
| 109 | #phy-cells = <0>; |
| 110 | }; |
| 111 | |
| 112 | - | |
| 113 | #include <dt-bindings/clock/sun9i-a80-usb.h> |
| 114 | #include <dt-bindings/reset/sun9i-a80-usb.h> |
| 115 | |
| 116 | usbphy3: phy@a02800 { |
| 117 | compatible = "allwinner,sun9i-a80-usb-phy"; |
| 118 | reg = <0x00a02800 0x4>; |
| 119 | clocks = <&usb_clocks CLK_USB2_PHY>, |
| 120 | <&usb_clocks CLK_USB_HSIC>, |
| 121 | <&usb_clocks CLK_USB2_HSIC>; |
| 122 | clock-names = "phy", |
| 123 | "hsic_12M", |
| 124 | "hsic_480M"; |
| 125 | resets = <&usb_clocks RST_USB2_PHY>, |
| 126 | <&usb_clocks RST_USB2_HSIC>; |
| 127 | reset-names = "phy", |
| 128 | "hsic"; |
| 129 | phy_type = "hsic"; |
| 130 | phy-supply = <®_usb3_vbus>; |
| 131 | #phy-cells = <0>; |
| 132 | }; |