Documentation/devicetree/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 bindings
   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     maxItems: 1
  32     description: 1.2V LVDS Power Supply
  33
  34   vddio-supply:
  35     maxItems: 1
  36     description: 1.8V IO Power Supply
  37
  38   stby-gpios:
  39     maxItems: 1
  40     description: Standby pin, Low active
  41
  42   reset-gpios:
  43     maxItems: 1
  44     description: Hardware reset, Low active
  45
  46   ports:
  47     type: object
  48     description:
  49       A node containing input and output port nodes with endpoint definitions
  50       as documented in
  51       Documentation/devicetree/bindings/media/video-interfaces.txt
  52     properties:
  53       "#address-cells":
  54         const: 1
  55
  56       "#size-cells":
  57         const: 0
  58
  59       port@0:
  60         type: object
  61         description: |
  62           DSI Input. The remote endpoint phandle should be a
  63           reference to a valid mipi_dsi_host device node.
  64
  65       port@1:
  66         type: object
  67         description: |
  68           Video port for LVDS output (panel or connector).
  69
  70       port@2:
  71         type: object
  72         description: |
  73           Video port for Dual link LVDS output (panel or connector).
  74
  75     required:
  76       - port@0
  77       - port@1
  78
  79 required:
  80   - compatible
  81   - reg
  82   - vdd-supply
  83   - vddio-supply
  84   - stby-gpios
  85   - reset-gpios
  86   - ports
  87
  88 additionalProperties: false
  89
  90 examples:
  91   - |
  92     #include <dt-bindings/gpio/gpio.h>
  93
  94     /* For single-link LVDS display panel */
  95
  96     i2c@78b8000 {
  97         /* On High speed expansion */
  98         label = "HS-I2C2";
  99         reg = <0x078b8000 0x500>;
 100         clock-frequency = <400000>; /* fastmode operation */
 101         #address-cells = <1>;
 102         #size-cells = <0>;
 103
 104         tc_bridge: bridge@f {
 105             compatible = "toshiba,tc358775";
 106             reg = <0x0f>;
 107
 108             vdd-supply = <&pm8916_l2>;
 109             vddio-supply = <&pm8916_l6>;
 110
 111             stby-gpios = <&msmgpio 99 GPIO_ACTIVE_LOW>;
 112             reset-gpios = <&msmgpio 72 GPIO_ACTIVE_LOW>;
 113
 114             ports {
 115                 #address-cells = <1>;
 116                 #size-cells = <0>;
 117
 118                 port@0 {
 119                     reg = <0>;
 120                     d2l_in_test: endpoint {
 121                         remote-endpoint = <&dsi0_out>;
 122                     };
 123                 };
 124
 125                 port@1 {
 126                     reg = <1>;
 127                     lvds_out: endpoint {
 128                         remote-endpoint = <&panel_in>;
 129                     };
 130                 };
 131             };
 132         };
 133     };
 134
 135     dsi@1a98000 {
 136         reg = <0x1a98000 0x25c>;
 137         reg-names = "dsi_ctrl";
 138
 139         ports {
 140             #address-cells = <1>;
 141             #size-cells = <0>;
 142             port@1 {
 143                 reg = <1>;
 144                 dsi0_out: endpoint {
 145                     remote-endpoint = <&d2l_in_test>;
 146                     data-lanes = <0 1 2 3>;
 147                 };
 148              };
 149          };
 150      };
 151
 152   - |
 153     /* For dual-link LVDS display panel */
 154
 155     i2c@78b8000 {
 156         /* On High speed expansion */
 157         label = "HS-I2C2";
 158         reg = <0x078b8000 0x500>;
 159         clock-frequency = <400000>; /* fastmode operation */
 160         #address-cells = <1>;
 161         #size-cells = <0>;
 162
 163         tc_bridge_dual: bridge@f {
 164             compatible = "toshiba,tc358775";
 165             reg = <0x0f>;
 166
 167             vdd-supply = <&pm8916_l2>;
 168             vddio-supply = <&pm8916_l6>;
 169
 170             stby-gpios = <&msmgpio 99 GPIO_ACTIVE_LOW>;
 171             reset-gpios = <&msmgpio 72 GPIO_ACTIVE_LOW>;
 172
 173             ports {
 174                 #address-cells = <1>;
 175                 #size-cells = <0>;
 176
 177                 port@0 {
 178                     reg = <0>;
 179                     d2l_in_dual: endpoint {
 180                         remote-endpoint = <&dsi0_out_dual>;
 181                     };
 182                 };
 183
 184                 port@1 {
 185                     reg = <1>;
 186                     lvds0_out: endpoint {
 187                         remote-endpoint = <&panel_in0>;
 188                     };
 189                 };
 190
 191                 port@2 {
 192                     reg = <2>;
 193                     lvds1_out: endpoint {
 194                         remote-endpoint = <&panel_in1>;
 195                     };
 196                 };
 197             };
 198         };
 199     };
 200
 201     dsi@1a98000 {
 202         reg = <0x1a98000 0x25c>;
 203         reg-names = "dsi_ctrl";
 204
 205         ports {
 206             #address-cells = <1>;
 207             #size-cells = <0>;
 208             port@1 {
 209                 reg = <1>;
 210                 dsi0_out_dual: endpoint {
 211                     remote-endpoint = <&d2l_in_dual>;
 212                     data-lanes = <0 1 2 3>;
 213                 };
 214              };
 215          };
 216      };
 217 ...