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/display/bridge/toshiba,tc358775.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Toshiba TC358775 DSI to LVDS bridge |
| 8 | |
| 9 | maintainers: |
| 10 | - Vinay Simha BN <simhavcs@gmail.com> |
| 11 | |
| 12 | description: | |
| 13 | This binding supports DSI to LVDS bridge TC358775 |
| 14 | |
| 15 | MIPI DSI-RX Data 4-lane, CLK 1-lane with data rates up to 800 Mbps/lane. |
| 16 | Video frame size: |
| 17 | Up to 1600x1200 24-bit/pixel resolution for single-link LVDS display panel |
| 18 | limited by 135 MHz LVDS speed |
| 19 | Up to WUXGA (1920x1200 24-bit pixels) resolution for dual-link LVDS display |
| 20 | panel, limited by 270 MHz LVDS speed. |
| 21 | |
| 22 | properties: |
| 23 | compatible: |
| 24 | const: toshiba,tc358775 |
| 25 | |
| 26 | reg: |
| 27 | maxItems: 1 |
| 28 | description: i2c address of the bridge, 0x0f |
| 29 | |
| 30 | vdd-supply: |
| 31 | description: 1.2V LVDS Power Supply |
| 32 | |
| 33 | vddio-supply: |
| 34 | description: 1.8V IO Power Supply |
| 35 | |
| 36 | stby-gpios: |
| 37 | maxItems: 1 |
| 38 | description: Standby pin, Low active |
| 39 | |
| 40 | reset-gpios: |
| 41 | maxItems: 1 |
| 42 | description: Hardware reset, Low active |
| 43 | |
| 44 | ports: |
| 45 | $ref: /schemas/graph.yaml#/properties/ports |
| 46 | |
| 47 | properties: |
| 48 | port@0: |
| 49 | $ref: /schemas/graph.yaml#/properties/port |
| 50 | description: | |
| 51 | DSI Input. The remote endpoint phandle should be a |
| 52 | reference to a valid mipi_dsi_host device node. |
| 53 | |
| 54 | port@1: |
| 55 | $ref: /schemas/graph.yaml#/properties/port |
| 56 | description: | |
| 57 | Video port for LVDS output (panel or connector). |
| 58 | |
| 59 | port@2: |
| 60 | $ref: /schemas/graph.yaml#/properties/port |
| 61 | description: | |
| 62 | Video port for Dual link LVDS output (panel or connector). |
| 63 | |
| 64 | required: |
| 65 | - port@0 |
| 66 | - port@1 |
| 67 | |
| 68 | required: |
| 69 | - compatible |
| 70 | - reg |
| 71 | - vdd-supply |
| 72 | - vddio-supply |
| 73 | - stby-gpios |
| 74 | - reset-gpios |
| 75 | - ports |
| 76 | |
| 77 | additionalProperties: false |
| 78 | |
| 79 | examples: |
| 80 | - | |
| 81 | #include <dt-bindings/gpio/gpio.h> |
| 82 | |
| 83 | /* For single-link LVDS display panel */ |
| 84 | |
| 85 | i2c@78b8000 { |
| 86 | /* On High speed expansion */ |
| 87 | label = "HS-I2C2"; |
| 88 | reg = <0x078b8000 0x500>; |
| 89 | clock-frequency = <400000>; /* fastmode operation */ |
| 90 | #address-cells = <1>; |
| 91 | #size-cells = <0>; |
| 92 | |
| 93 | tc_bridge: bridge@f { |
| 94 | compatible = "toshiba,tc358775"; |
| 95 | reg = <0x0f>; |
| 96 | |
| 97 | vdd-supply = <&pm8916_l2>; |
| 98 | vddio-supply = <&pm8916_l6>; |
| 99 | |
| 100 | stby-gpios = <&msmgpio 99 GPIO_ACTIVE_LOW>; |
| 101 | reset-gpios = <&msmgpio 72 GPIO_ACTIVE_LOW>; |
| 102 | |
| 103 | ports { |
| 104 | #address-cells = <1>; |
| 105 | #size-cells = <0>; |
| 106 | |
| 107 | port@0 { |
| 108 | reg = <0>; |
| 109 | d2l_in_test: endpoint { |
| 110 | remote-endpoint = <&dsi0_out>; |
| 111 | }; |
| 112 | }; |
| 113 | |
| 114 | port@1 { |
| 115 | reg = <1>; |
| 116 | lvds_out: endpoint { |
| 117 | remote-endpoint = <&panel_in>; |
| 118 | }; |
| 119 | }; |
| 120 | }; |
| 121 | }; |
| 122 | }; |
| 123 | |
| 124 | dsi@1a98000 { |
| 125 | reg = <0x1a98000 0x25c>; |
| 126 | reg-names = "dsi_ctrl"; |
| 127 | |
| 128 | ports { |
| 129 | #address-cells = <1>; |
| 130 | #size-cells = <0>; |
| 131 | port@1 { |
| 132 | reg = <1>; |
| 133 | dsi0_out: endpoint { |
| 134 | remote-endpoint = <&d2l_in_test>; |
| 135 | data-lanes = <0 1 2 3>; |
| 136 | }; |
| 137 | }; |
| 138 | }; |
| 139 | }; |
| 140 | |
| 141 | - | |
| 142 | /* For dual-link LVDS display panel */ |
| 143 | |
| 144 | i2c@78b8000 { |
| 145 | /* On High speed expansion */ |
| 146 | label = "HS-I2C2"; |
| 147 | reg = <0x078b8000 0x500>; |
| 148 | clock-frequency = <400000>; /* fastmode operation */ |
| 149 | #address-cells = <1>; |
| 150 | #size-cells = <0>; |
| 151 | |
| 152 | tc_bridge_dual: bridge@f { |
| 153 | compatible = "toshiba,tc358775"; |
| 154 | reg = <0x0f>; |
| 155 | |
| 156 | vdd-supply = <&pm8916_l2>; |
| 157 | vddio-supply = <&pm8916_l6>; |
| 158 | |
| 159 | stby-gpios = <&msmgpio 99 GPIO_ACTIVE_LOW>; |
| 160 | reset-gpios = <&msmgpio 72 GPIO_ACTIVE_LOW>; |
| 161 | |
| 162 | ports { |
| 163 | #address-cells = <1>; |
| 164 | #size-cells = <0>; |
| 165 | |
| 166 | port@0 { |
| 167 | reg = <0>; |
| 168 | d2l_in_dual: endpoint { |
| 169 | remote-endpoint = <&dsi0_out_dual>; |
| 170 | }; |
| 171 | }; |
| 172 | |
| 173 | port@1 { |
| 174 | reg = <1>; |
| 175 | lvds0_out: endpoint { |
| 176 | remote-endpoint = <&panel_in0>; |
| 177 | }; |
| 178 | }; |
| 179 | |
| 180 | port@2 { |
| 181 | reg = <2>; |
| 182 | lvds1_out: endpoint { |
| 183 | remote-endpoint = <&panel_in1>; |
| 184 | }; |
| 185 | }; |
| 186 | }; |
| 187 | }; |
| 188 | }; |
| 189 | |
| 190 | dsi@1a98000 { |
| 191 | reg = <0x1a98000 0x25c>; |
| 192 | reg-names = "dsi_ctrl"; |
| 193 | |
| 194 | ports { |
| 195 | #address-cells = <1>; |
| 196 | #size-cells = <0>; |
| 197 | port@1 { |
| 198 | reg = <1>; |
| 199 | dsi0_out_dual: endpoint { |
| 200 | remote-endpoint = <&d2l_in_dual>; |
| 201 | data-lanes = <0 1 2 3>; |
| 202 | }; |
| 203 | }; |
| 204 | }; |
| 205 | }; |
| 206 | ... |