brcm,bcm2835-hdmi.yaml

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    1 # SPDX-License-Identifier: GPL-2.0
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/display/brcm,bcm2835-hdmi.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Broadcom VC4 (VideoCore4) HDMI Controller
    8 
    9 maintainers:
   10   - Eric Anholt <eric@anholt.net>
   11 
   12 properties:
   13   compatible:
   14     const: brcm,bcm2835-hdmi
   15 
   16   reg:
   17     items:
   18       - description: HDMI register range
   19       - description: HD register range
   20 
   21   interrupts:
   22     minItems: 2
   23 
   24   clocks:
   25     items:
   26       - description: The pixel clock
   27       - description: The HDMI state machine clock
   28 
   29   clock-names:
   30     items:
   31       - const: pixel
   32       - const: hdmi
   33 
   34   ddc:
   35     $ref: /schemas/types.yaml#/definitions/phandle
   36     description: >
   37       Phandle of the I2C controller used for DDC EDID probing
   38 
   39   hpd-gpios:
   40     maxItems: 1
   41     description: >
   42       The GPIO pin for the HDMI hotplug detect (if it doesn't appear
   43       as an interrupt/status bit in the HDMI controller itself)
   44 
   45   dmas:
   46     maxItems: 1
   47     description: >
   48       Should contain one entry pointing to the DMA channel used to
   49       transfer audio data.
   50 
   51   dma-names:
   52     const: audio-rx
   53 
   54   power-domains:
   55     maxItems: 1
   56 
   57 required:
   58   - compatible
   59   - reg
   60   - interrupts
   61   - clocks
   62   - ddc
   63 
   64 additionalProperties: false
   65 
   66 examples:
   67   - |
   68     #include <dt-bindings/clock/bcm2835.h>
   69     #include <dt-bindings/gpio/gpio.h>
   70 
   71     hdmi: hdmi@7e902000 {
   72         compatible = "brcm,bcm2835-hdmi";
   73         reg = <0x7e902000 0x600>,
   74               <0x7e808000 0x100>;
   75         interrupts = <2 8>, <2 9>;
   76         ddc = <&i2c2>;
   77         hpd-gpios = <&gpio 46 GPIO_ACTIVE_HIGH>;
   78         clocks = <&clocks BCM2835_PLLH_PIX>,
   79                  <&clocks BCM2835_CLOCK_HSM>;
   80         clock-names = "pixel", "hdmi";
   81     };
   82 
   83 ...

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/display/brcm,bcm2835-hdmi.yaml

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/display/brcm,bcm2835-hdmi.yaml