Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.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/mediatek/mediatek,dpi.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: mediatek DPI Controller Device Tree Bindings
   8
   9 maintainers:
  10   - CK Hu <ck.hu@mediatek.com>
  11   - Jitao shi <jitao.shi@mediatek.com>
  12
  13 description: |
  14   The Mediatek DPI function block is a sink of the display subsystem and
  15   provides 8-bit RGB/YUV444 or 8/10/10-bit YUV422 pixel data on a parallel
  16   output bus.
  17
  18 properties:
  19   compatible:
  20     enum:
  21       - mediatek,mt2701-dpi
  22       - mediatek,mt7623-dpi
  23       - mediatek,mt8173-dpi
  24       - mediatek,mt8183-dpi
  25       - mediatek,mt8186-dpi
  26       - mediatek,mt8192-dpi
  27
  28   reg:
  29     maxItems: 1
  30
  31   interrupts:
  32     maxItems: 1
  33
  34   clocks:
  35     items:
  36       - description: Pixel Clock
  37       - description: Engine Clock
  38       - description: DPI PLL
  39
  40   clock-names:
  41     items:
  42       - const: pixel
  43       - const: engine
  44       - const: pll
  45
  46   pinctrl-0: true
  47   pinctrl-1: true
  48
  49   pinctrl-names:
  50     items:
  51       - const: default
  52       - const: sleep
  53
  54   port:
  55     $ref: /schemas/graph.yaml#/properties/port
  56     description:
  57       Output port node. This port should be connected to the input port of an
  58       attached HDMI or LVDS encoder chip.
  59
  60 required:
  61   - compatible
  62   - reg
  63   - interrupts
  64   - clocks
  65   - clock-names
  66   - port
  67
  68 additionalProperties: false
  69
  70 examples:
  71   - |
  72     #include <dt-bindings/interrupt-controller/arm-gic.h>
  73     #include <dt-bindings/clock/mt8173-clk.h>
  74
  75     dpi0: dpi@1401d000 {
  76         compatible = "mediatek,mt8173-dpi";
  77         reg = <0x1401d000 0x1000>;
  78         interrupts = <GIC_SPI 194 IRQ_TYPE_LEVEL_LOW>;
  79         clocks = <&mmsys CLK_MM_DPI_PIXEL>,
  80              <&mmsys CLK_MM_DPI_ENGINE>,
  81              <&apmixedsys CLK_APMIXED_TVDPLL>;
  82         clock-names = "pixel", "engine", "pll";
  83         pinctrl-names = "default", "sleep";
  84         pinctrl-0 = <&dpi_pin_func>;
  85         pinctrl-1 = <&dpi_pin_idle>;
  86
  87         port {
  88             dpi0_out: endpoint {
  89                 remote-endpoint = <&hdmi0_in>;
  90             };
  91         };
  92     };
  93
  94 ...