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
  26   reg:
  27     maxItems: 1
  28
  29   interrupts:
  30     maxItems: 1
  31
  32   clocks:
  33     items:
  34       - description: Pixel Clock
  35       - description: Engine Clock
  36       - description: DPI PLL
  37
  38   clock-names:
  39     items:
  40       - const: pixel
  41       - const: engine
  42       - const: pll
  43
  44   pinctrl-0: true
  45   pinctrl-1: true
  46
  47   pinctrl-names:
  48     items:
  49       - const: default
  50       - const: sleep
  51
  52   port:
  53     $ref: /schemas/graph.yaml#/properties/port
  54     description:
  55       Output port node. This port should be connected to the input port of an
  56       attached HDMI or LVDS encoder chip.
  57
  58 required:
  59   - compatible
  60   - reg
  61   - interrupts
  62   - clocks
  63   - clock-names
  64   - port
  65
  66 additionalProperties: false
  67
  68 examples:
  69   - |
  70     #include <dt-bindings/interrupt-controller/arm-gic.h>
  71     #include <dt-bindings/clock/mt8173-clk.h>
  72     #include <dt-bindings/interrupt-controller/arm-gic.h>
  73     #include <dt-bindings/interrupt-controller/irq.h>
  74     dpi0: dpi@1401d000 {
  75         compatible = "mediatek,mt8173-dpi";
  76         reg = <0x1401d000 0x1000>;
  77         interrupts = <GIC_SPI 194 IRQ_TYPE_LEVEL_LOW>;
  78         clocks = <&mmsys CLK_MM_DPI_PIXEL>,
  79              <&mmsys CLK_MM_DPI_ENGINE>,
  80              <&apmixedsys CLK_APMIXED_TVDPLL>;
  81         clock-names = "pixel", "engine", "pll";
  82         pinctrl-names = "default", "sleep";
  83         pinctrl-0 = <&dpi_pin_func>;
  84         pinctrl-1 = <&dpi_pin_idle>;
  85
  86         port {
  87             dpi0_out: endpoint {
  88                 remote-endpoint = <&hdmi0_in>;
  89             };
  90         };
  91     };
  92
  93 ...