git.openwrt.org Git - openwrt/staging/neocturne.git/blob

   1 From 16aadd75412c2f4dc1251cb5267807d0253993b0 Mon Sep 17 00:00:00 2001
   2 From: Dave Stevenson <dave.stevenson@raspberrypi.com>
   3 Date: Tue, 17 Mar 2020 10:53:16 +0000
   4 Subject: [PATCH] media: dt-bindings: media: Add binding for the
   5  Raspberry PI HEVC decoder
   6
   7 Adds a binding for the HEVC decoder found on the BCM2711 / Raspberry Pi 4.
   8
   9 Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
  10 ---
  11  .../bindings/media/rpivid_hevc.yaml           | 72 +++++++++++++++++++
  12  MAINTAINERS                                   |  7 ++
  13  2 files changed, 79 insertions(+)
  14  create mode 100644 Documentation/devicetree/bindings/media/rpivid_hevc.yaml
  15
  16 --- /dev/null
  17 +++ b/Documentation/devicetree/bindings/media/rpivid_hevc.yaml
  18 @@ -0,0 +1,72 @@
  19 +# SPDX-License-Identifier: GPL-2.0-only
  20 +%YAML 1.2
  21 +---
  22 +$id: http://devicetree.org/schemas/media/rpivid_hevc.yaml#
  23 +$schema: http://devicetree.org/meta-schemas/core.yaml#
  24 +
  25 +title: Raspberry Pi HEVC Decoder
  26 +
  27 +maintainers:
  28 +  - Raspberry Pi <kernel-list@raspberrypi.com>
  29 +
  30 +description: |-
  31 +  The Camera Adaptation Layer (CAL) is a key component for image capture
  32 +  applications. The capture module provides the system interface and the
  33 +  processing capability to connect CSI2 image-sensor modules to the
  34 +  DRA72x device.
  35 +
  36 +properties:
  37 +  compatible:
  38 +    enum:
  39 +      - raspberrypi,rpivid-vid-decoder
  40 +
  41 +  reg:
  42 +    minItems: 2
  43 +    items:
  44 +      - description: The HEVC main register region
  45 +      - description: The Interrupt controller register region
  46 +
  47 +  reg-names:
  48 +    minItems: 2
  49 +    items:
  50 +      - const: hevc
  51 +      - const: intc
  52 +
  53 +  interrupts:
  54 +    maxItems: 1
  55 +
  56 +  clocks:
  57 +    items:
  58 +      - description: The HEVC block clock
  59 +
  60 +  clock-names:
  61 +    items:
  62 +      - const: hevc
  63 +
  64 +required:
  65 +  - compatible
  66 +  - reg
  67 +  - reg-names
  68 +  - interrupts
  69 +  - clocks
  70 +
  71 +additionalProperties: false
  72 +
  73 +examples:
  74 +  - |
  75 +    #include <dt-bindings/interrupt-controller/arm-gic.h>
  76 +
  77 +    video-codec@7eb10000 {
  78 +        compatible = "raspberrypi,rpivid-vid-decoder";
  79 +        reg = <0x0 0x7eb10000 0x1000>, /* INTC */
  80 +              <0x0 0x7eb00000 0x10000>; /* HEVC */
  81 +        reg-names = "intc",
  82 +                    "hevc";
  83 +
  84 +        interrupts = <GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>;
  85 +
  86 +        clocks = <&clk 0>;
  87 +        clock-names = "hevc";
  88 +    };
  89 +
  90 +...
  91 --- a/MAINTAINERS
  92 +++ b/MAINTAINERS
  93 @@ -3555,6 +3555,13 @@ N:       bcm113*
  94  N:     bcm216*
  95  N:     kona
  96
  97 +BROADCOM BCM2711 HEVC DECODER
  98 +M:     Raspberry Pi Kernel Maintenance <kernel-list@raspberrypi.com>
  99 +L:     linux-media@vger.kernel.org
 100 +S:     Maintained
 101 +F:     Documentation/devicetree/bindings/media/rpivid_hevc.jaml
 102 +F:     drivers/staging/media/rpivid
 103 +
 104  BROADCOM BCM2835 CAMERA DRIVER
 105  M:     Dave Stevenson <dave.stevenson@raspberrypi.org>
 106  L:     linux-media@vger.kernel.org