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 examples:
  89  - |
  90     #include <dt-bindings/gpio/gpio.h>
  91
  92     /* For single-link LVDS display panel */
  93
  94     i2c@78b8000 {
  95         /* On High speed expansion */
  96         label = "HS-I2C2";
  97         reg = <0x078b8000 0x500>;
  98         clock-frequency = <400000>; /* fastmode operation */
  99         #address-cells = <1>;
 100         #size-cells = <0>;
 101
 102         tc_bridge: bridge@f {
 103             compatible = "toshiba,tc358775";
 104             reg = <0x0f>;
 105
 106             vdd-supply = <&pm8916_l2>;
 107             vddio-supply = <&pm8916_l6>;
 108
 109             stby-gpios = <&msmgpio 99 GPIO_ACTIVE_LOW>;
 110             reset-gpios = <&msmgpio 72 GPIO_ACTIVE_LOW>;
 111
 112             ports {
 113                 #address-cells = <1>;
 114                 #size-cells = <0>;
 115
 116                 port@0 {
 117                     reg = <0>;
 118                     d2l_in_test: endpoint {
 119                         remote-endpoint = <&dsi0_out>;
 120                     };
 121                 };
 122
 123                 port@1 {
 124                     reg = <1>;
 125                     lvds_out: endpoint {
 126                         remote-endpoint = <&panel_in>;
 127                     };
 128                 };
 129             };
 130         };
 131     };
 132
 133     dsi@1a98000 {
 134         reg = <0x1a98000 0x25c>;
 135         reg-names = "dsi_ctrl";
 136
 137         ports {
 138             #address-cells = <1>;
 139             #size-cells = <0>;
 140             port@1 {
 141                 reg = <1>;
 142                 dsi0_out: endpoint {
 143                     remote-endpoint = <&d2l_in_test>;
 144                     data-lanes = <0 1 2 3>;
 145                 };
 146              };
 147          };
 148      };
 149
 150  - |
 151     /* For dual-link LVDS display panel */
 152
 153     i2c@78b8000 {
 154         /* On High speed expansion */
 155         label = "HS-I2C2";
 156         reg = <0x078b8000 0x500>;
 157         clock-frequency = <400000>; /* fastmode operation */
 158         #address-cells = <1>;
 159         #size-cells = <0>;
 160
 161         tc_bridge_dual: bridge@f {
 162             compatible = "toshiba,tc358775";
 163             reg = <0x0f>;
 164
 165             vdd-supply = <&pm8916_l2>;
 166             vddio-supply = <&pm8916_l6>;
 167
 168             stby-gpios = <&msmgpio 99 GPIO_ACTIVE_LOW>;
 169             reset-gpios = <&msmgpio 72 GPIO_ACTIVE_LOW>;
 170
 171             ports {
 172                 #address-cells = <1>;
 173                 #size-cells = <0>;
 174
 175                 port@0 {
 176                     reg = <0>;
 177                     d2l_in_dual: endpoint {
 178                         remote-endpoint = <&dsi0_out_dual>;
 179                     };
 180                 };
 181
 182                 port@1 {
 183                     reg = <1>;
 184                     lvds0_out: endpoint {
 185                         remote-endpoint = <&panel_in0>;
 186                     };
 187                 };
 188
 189                 port@2 {
 190                     reg = <2>;
 191                     lvds1_out: endpoint {
 192                         remote-endpoint = <&panel_in1>;
 193                     };
 194                 };
 195             };
 196         };
 197     };
 198
 199     dsi@1a98000 {
 200         reg = <0x1a98000 0x25c>;
 201         reg-names = "dsi_ctrl";
 202
 203         ports {
 204             #address-cells = <1>;
 205             #size-cells = <0>;
 206             port@1 {
 207                 reg = <1>;
 208                 dsi0_out_dual: endpoint {
 209                     remote-endpoint = <&d2l_in_dual>;
 210                     data-lanes = <0 1 2 3>;
 211                 };
 212              };
 213          };
 214      };
 215 ...