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1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)2%YAML 1.23---4$id: http://devicetree.org/schemas/media/raspberrypi,pispbe.yaml#5$schema: http://devicetree.org/meta-schemas/core.yaml#6 7title: Raspberry Pi PiSP Image Signal Processor (ISP) Back End8 9maintainers:10 - Raspberry Pi Kernel Maintenance <kernel-list@raspberrypi.com>11 - Jacopo Mondi <jacopo.mondi@ideasonboard.com>12 13description: |14 The Raspberry Pi PiSP Image Signal Processor (ISP) Back End is an image15 processor that fetches images in Bayer or Grayscale format from DRAM memory16 in tiles and produces images consumable by applications.17 18 The full ISP documentation is available at19 https://datasheets.raspberrypi.com/camera/raspberry-pi-image-signal-processor-specification.pdf20 21properties:22 compatible:23 items:24 - enum:25 - brcm,bcm2712-pispbe26 - const: raspberrypi,pispbe27 28 reg:29 maxItems: 130 31 interrupts:32 maxItems: 133 34 clocks:35 maxItems: 136 37 iommus:38 maxItems: 139 40required:41 - compatible42 - reg43 - interrupts44 - clocks45 46additionalProperties: false47 48examples: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 };64