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| 1 | +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| 2 | +%YAML 1.2 |
| 3 | +--- |
| 4 | +$id: http://devicetree.org/schemas/display/bridge/toshiba,tc358767.yaml# |
| 5 | +$schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | + |
| 7 | +title: Toshiba TC358767 eDP bridge bindings |
| 8 | + |
| 9 | +maintainers: |
| 10 | + - Andrey Gusakov <[email protected]> |
| 11 | + |
| 12 | +description: The TC358767 is bridge device which converts DSI/DPI to eDP/DP |
| 13 | + |
| 14 | +properties: |
| 15 | + compatible: |
| 16 | + const: toshiba,tc358767 |
| 17 | + |
| 18 | + reg: |
| 19 | + enum: |
| 20 | + - 0x68 |
| 21 | + - 0x0f |
| 22 | + description: | |
| 23 | + i2c address of the bridge, 0x68 or 0x0f, depending on bootstrap pins |
| 24 | +
|
| 25 | + clock-names: |
| 26 | + const: "ref" |
| 27 | + |
| 28 | + clocks: |
| 29 | + maxItems: 1 |
| 30 | + description: | |
| 31 | + OF device-tree clock specification for refclk input. The reference. |
| 32 | + clock rate must be 13 MHz, 19.2 MHz, 26 MHz, or 38.4 MHz. |
| 33 | +
|
| 34 | + shutdown-gpios: |
| 35 | + maxItems: 1 |
| 36 | + description: | |
| 37 | + OF device-tree gpio specification for SD pin(active high shutdown input) |
| 38 | +
|
| 39 | + reset-gpios: |
| 40 | + maxItems: 1 |
| 41 | + description: | |
| 42 | + OF device-tree gpio specification for RSTX pin(active low system reset) |
| 43 | +
|
| 44 | + toshiba,hpd-pin: |
| 45 | + $ref: /schemas/types.yaml#/definitions/uint32 |
| 46 | + enum: |
| 47 | + - 0 |
| 48 | + - 1 |
| 49 | + description: TC358767 GPIO pin number to which HPD is connected to (0 or 1) |
| 50 | + |
| 51 | + ports: |
| 52 | + $ref: /schemas/graph.yaml#/properties/ports |
| 53 | + |
| 54 | + properties: |
| 55 | + port@0: |
| 56 | + $ref: /schemas/graph.yaml#/properties/port |
| 57 | + description: | |
| 58 | + DSI input port. The remote endpoint phandle should be a |
| 59 | + reference to a valid DSI output endpoint node |
| 60 | +
|
| 61 | + port@1: |
| 62 | + $ref: /schemas/graph.yaml#/properties/port |
| 63 | + description: | |
| 64 | + DPI input port. The remote endpoint phandle should be a |
| 65 | + reference to a valid DPI output endpoint node |
| 66 | +
|
| 67 | + port@2: |
| 68 | + $ref: /schemas/graph.yaml#/properties/port |
| 69 | + description: | |
| 70 | + eDP/DP output port. The remote endpoint phandle should be a |
| 71 | + reference to a valid eDP panel input endpoint node. This port is |
| 72 | + optional, treated as DP panel if not defined |
| 73 | +
|
| 74 | + oneOf: |
| 75 | + - required: |
| 76 | + - port@0 |
| 77 | + - required: |
| 78 | + - port@1 |
| 79 | + |
| 80 | + |
| 81 | +required: |
| 82 | + - compatible |
| 83 | + - reg |
| 84 | + - clock-names |
| 85 | + - clocks |
| 86 | + - ports |
| 87 | + |
| 88 | +additionalProperties: false |
| 89 | + |
| 90 | +examples: |
| 91 | + - | |
| 92 | + #include <dt-bindings/gpio/gpio.h> |
| 93 | +
|
| 94 | + /* DPI input and eDP output */ |
| 95 | +
|
| 96 | + i2c { |
| 97 | + #address-cells = <1>; |
| 98 | + #size-cells = <0>; |
| 99 | +
|
| 100 | + edp-bridge@68 { |
| 101 | + compatible = "toshiba,tc358767"; |
| 102 | + reg = <0x68>; |
| 103 | + shutdown-gpios = <&gpio3 23 GPIO_ACTIVE_HIGH>; |
| 104 | + reset-gpios = <&gpio3 24 GPIO_ACTIVE_LOW>; |
| 105 | + clock-names = "ref"; |
| 106 | + clocks = <&edp_refclk>; |
| 107 | +
|
| 108 | + ports { |
| 109 | + #address-cells = <1>; |
| 110 | + #size-cells = <0>; |
| 111 | +
|
| 112 | + port@1 { |
| 113 | + reg = <1>; |
| 114 | +
|
| 115 | + bridge_in_0: endpoint { |
| 116 | + remote-endpoint = <&dpi_out>; |
| 117 | + }; |
| 118 | + }; |
| 119 | +
|
| 120 | + port@2 { |
| 121 | + reg = <2>; |
| 122 | +
|
| 123 | + bridge_out: endpoint { |
| 124 | + remote-endpoint = <&panel_in>; |
| 125 | + }; |
| 126 | + }; |
| 127 | + }; |
| 128 | + }; |
| 129 | + }; |
| 130 | + - | |
| 131 | + /* DPI input and DP output */ |
| 132 | +
|
| 133 | + i2c { |
| 134 | + #address-cells = <1>; |
| 135 | + #size-cells = <0>; |
| 136 | +
|
| 137 | + edp-bridge@68 { |
| 138 | + compatible = "toshiba,tc358767"; |
| 139 | + reg = <0x68>; |
| 140 | + shutdown-gpios = <&gpio3 23 GPIO_ACTIVE_HIGH>; |
| 141 | + reset-gpios = <&gpio3 24 GPIO_ACTIVE_LOW>; |
| 142 | + clock-names = "ref"; |
| 143 | + clocks = <&edp_refclk>; |
| 144 | +
|
| 145 | + ports { |
| 146 | + #address-cells = <1>; |
| 147 | + #size-cells = <0>; |
| 148 | +
|
| 149 | + port@1 { |
| 150 | + reg = <1>; |
| 151 | +
|
| 152 | + bridge_in_1: endpoint { |
| 153 | + remote-endpoint = <&dpi_out>; |
| 154 | + }; |
| 155 | + }; |
| 156 | + }; |
| 157 | + }; |
| 158 | + }; |
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