bindings/display/bridge/toshiba,tc358775.yaml

   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 ...