Documentation/devicetree/bindings/display/bridge/lontium,lt9611.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/lontium,lt9611.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Lontium LT9611 2 Port MIPI to HDMI Bridge
   8
   9 maintainers:
  10   - Vinod Koul <vkoul@kernel.org>
  11
  12 description: |
  13   The LT9611 is a bridge device which converts DSI to HDMI
  14
  15 properties:
  16   compatible:
  17     enum:
  18       - lontium,lt9611
  19
  20   reg:
  21     maxItems: 1
  22
  23   "#sound-dai-cells":
  24     const: 1
  25
  26   interrupts:
  27     maxItems: 1
  28
  29   reset-gpios:
  30     maxItems: 1
  31     description: GPIO connected to active high RESET pin.
  32
  33   vdd-supply:
  34     description: Regulator for 1.8V MIPI phy power.
  35
  36   vcc-supply:
  37     description: Regulator for 3.3V IO power.
  38
  39   ports:
  40     type: object
  41
  42     properties:
  43       "#address-cells":
  44         const: 1
  45
  46       "#size-cells":
  47         const: 0
  48
  49       port@0:
  50         type: object
  51         description: |
  52           Primary MIPI port-1 for MIPI input
  53
  54         properties:
  55           reg:
  56             const: 0
  57
  58         patternProperties:
  59           "^endpoint(@[0-9])$":
  60             type: object
  61             additionalProperties: false
  62
  63             properties:
  64               remote-endpoint:
  65                 $ref: /schemas/types.yaml#/definitions/phandle
  66
  67         required:
  68           - reg
  69
  70       port@1:
  71         type: object
  72         description: |
  73           Additional MIPI port-2 for MIPI input, used in combination
  74           with primary MIPI port-1 to drive higher resolution displays
  75
  76         properties:
  77           reg:
  78             const: 1
  79
  80         patternProperties:
  81           "^endpoint(@[0-9])$":
  82             type: object
  83             additionalProperties: false
  84
  85             properties:
  86               remote-endpoint:
  87                 $ref: /schemas/types.yaml#/definitions/phandle
  88
  89         required:
  90           - reg
  91
  92       port@2:
  93         type: object
  94         description: |
  95           HDMI port for HDMI output
  96
  97         properties:
  98           reg:
  99             const: 2
 100
 101         patternProperties:
 102           "^endpoint(@[0-9])$":
 103             type: object
 104             additionalProperties: false
 105
 106             properties:
 107               remote-endpoint:
 108                 $ref: /schemas/types.yaml#/definitions/phandle
 109
 110         required:
 111           - reg
 112
 113     required:
 114       - "#address-cells"
 115       - "#size-cells"
 116       - port@0
 117       - port@2
 118
 119 required:
 120   - compatible
 121   - reg
 122   - interrupts
 123   - vdd-supply
 124   - vcc-supply
 125   - ports
 126
 127 additionalProperties: false
 128
 129 examples:
 130   - |
 131     #include <dt-bindings/gpio/gpio.h>
 132     #include <dt-bindings/interrupt-controller/irq.h>
 133
 134     i2c10 {
 135       #address-cells = <1>;
 136       #size-cells = <0>;
 137
 138       hdmi-bridge@3b {
 139         compatible = "lontium,lt9611";
 140         reg = <0x3b>;
 141
 142         reset-gpios = <&tlmm 128 GPIO_ACTIVE_HIGH>;
 143         interrupts-extended = <&tlmm 84 IRQ_TYPE_EDGE_FALLING>;
 144
 145         vdd-supply = <&lt9611_1v8>;
 146         vcc-supply = <&lt9611_3v3>;
 147
 148         ports {
 149           #address-cells = <1>;
 150           #size-cells = <0>;
 151
 152           port@0 {
 153             reg = <0>;
 154             lt9611_a: endpoint {
 155               remote-endpoint = <&dsi0_out>;
 156             };
 157           };
 158
 159           port@1 {
 160             reg = <1>;
 161             lt9611_b: endpoint {
 162               remote-endpoint = <&dsi1_out>;
 163             };
 164           };
 165
 166           port@2 {
 167             reg = <2>;
 168             lt9611_out: endpoint {
 169               remote-endpoint = <&hdmi_con>;
 170             };
 171           };
 172         };
 173       };
 174     };
 175
 176 ...