1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/media/raspberrypi,pispbe.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Raspberry Pi PiSP Image Signal Processor (ISP) Back End
8
9 maintainers:
10 - Raspberry Pi Kernel Maintenance <kernel-list@raspberrypi.com>
11 - Jacopo Mondi <jacopo.mondi@ideasonboard.com>
12
13 description: |
14 The Raspberry Pi PiSP Image Signal Processor (ISP) Back End is an image
15 processor that fetches images in Bayer or Grayscale format from DRAM memory
16 in tiles and produces images consumable by applications.
17
18 The full ISP documentation is available at
19 https://datasheets.raspberrypi.com/camera/raspberry-pi-image-signal-processor-specification.pdf
20
21 properties:
22 compatible:
23 items:
24 - enum:
25 - brcm,bcm2712-pispbe
26 - const: raspberrypi,pispbe
27
28 reg:
29 maxItems: 1
30
31 interrupts:
32 maxItems: 1
33
34 clocks:
35 maxItems: 1
36
37 iommus:
38 maxItems: 1
39
40 required:
41 - compatible
42 - reg
43 - interrupts
44 - clocks
45
46 additionalProperties: false
47
48 examples:
49 - |
50 #include <dt-bindings/interrupt-controller/arm-gic.h>
51
52 soc {
53 #address-cells = <2>;
54 #size-cells = <2>;
55
56 isp@880000 {
57 compatible = "brcm,bcm2712-pispbe", "raspberrypi,pispbe";
58 reg = <0x10 0x00880000 0x0 0x4000>;
59 interrupts = <GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH>;
60 clocks = <&firmware_clocks 7>;
61 iommus = <&iommu2>;
62 };
63 };
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