git.ipfire.org Git - thirdparty/openwrt.git/blob

   1 From c38a898c6877c6722ebfecea99f42e5a84c3e453 Mon Sep 17 00:00:00 2001
   2 From: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
   3 Date: Thu, 25 Jan 2024 16:42:33 +0100
   4 Subject: [PATCH 1152/1215] media: dt-bindings: Add bindings for Raspberry Pi
   5  PiSP Back End
   6
   7 Add bindings for the Raspberry Pi PiSP Back End memory-to-memory image
   8 signal processor.
   9
  10 Datasheet:
  11 https://datasheets.raspberrypi.com/camera/raspberry-pi-image-signal-processor-specification.pdf
  12
  13 Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
  14 Reviewed-by: Rob Herring <robh@kernel.org>
  15 Reviewed-by: Naushir Patuck <naush@raspberrypi.com>
  16 ---
  17  .../bindings/media/raspberrypi,pispbe.yaml    | 63 +++++++++++++++++++
  18  MAINTAINERS                                   |  1 +
  19  2 files changed, 64 insertions(+)
  20  create mode 100644 Documentation/devicetree/bindings/media/raspberrypi,pispbe.yaml
  21
  22 --- /dev/null
  23 +++ b/Documentation/devicetree/bindings/media/raspberrypi,pispbe.yaml
  24 @@ -0,0 +1,63 @@
  25 +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
  26 +%YAML 1.2
  27 +---
  28 +$id: http://devicetree.org/schemas/media/raspberrypi,pispbe.yaml#
  29 +$schema: http://devicetree.org/meta-schemas/core.yaml#
  30 +
  31 +title: Raspberry Pi PiSP Image Signal Processor (ISP) Back End
  32 +
  33 +maintainers:
  34 +  - Raspberry Pi Kernel Maintenance <kernel-list@raspberrypi.com>
  35 +  - Jacopo Mondi <jacopo.mondi@ideasonboard.com>
  36 +
  37 +description: |
  38 +  The Raspberry Pi PiSP Image Signal Processor (ISP) Back End is an image
  39 +  processor that fetches images in Bayer or Grayscale format from DRAM memory
  40 +  in tiles and produces images consumable by applications.
  41 +
  42 +  The full ISP documentation is available at
  43 +  https://datasheets.raspberrypi.com/camera/raspberry-pi-image-signal-processor-specification.pdf
  44 +
  45 +properties:
  46 +  compatible:
  47 +    items:
  48 +      - enum:
  49 +          - brcm,bcm2712-pispbe
  50 +      - const: raspberrypi,pispbe
  51 +
  52 +  reg:
  53 +    maxItems: 1
  54 +
  55 +  interrupts:
  56 +    maxItems: 1
  57 +
  58 +  clocks:
  59 +    maxItems: 1
  60 +
  61 +  iommus:
  62 +    maxItems: 1
  63 +
  64 +required:
  65 +  - compatible
  66 +  - reg
  67 +  - interrupts
  68 +  - clocks
  69 +
  70 +additionalProperties: false
  71 +
  72 +examples:
  73 +  - |
  74 +    #include <dt-bindings/interrupt-controller/arm-gic.h>
  75 +
  76 +    soc {
  77 +        #address-cells = <2>;
  78 +        #size-cells = <2>;
  79 +
  80 +        isp@880000  {
  81 +             compatible = "brcm,bcm2712-pispbe", "raspberrypi,pispbe";
  82 +             reg = <0x10 0x00880000 0x0 0x4000>;
  83 +             interrupts = <GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH>;
  84 +             clocks = <&firmware_clocks 7>;
  85 +             iommus = <&iommu2>;
  86 +        };
  87 +    };
  88 --- a/MAINTAINERS
  89 +++ b/MAINTAINERS
  90 @@ -18038,6 +18038,7 @@ M:      Jacopo Mondi <jacopo.mondi@ideasonboa
  91  L:     Raspberry Pi Kernel Maintenance <kernel-list@raspberrypi.com>
  92  L:     linux-media@vger.kernel.org
  93  S:     Maintained
  94 +F:     Documentation/devicetree/bindings/media/raspberrypi,pispbe.yaml
  95  F:     include/uapi/linux/media/raspberrypi/
  96
  97  RC-CORE / LIRC FRAMEWORK