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Subject: media: dt-bindings: Add bindings for Raspberry Pi PiSP Back End Author: Jacopo Mondi <jacopo.mo...@ideasonboard.com> Date: Wed Jun 26 20:14:36 2024 +0200 Add bindings for the Raspberry Pi PiSP Back End memory-to-memory image signal processor. Datasheet: https://datasheets.raspberrypi.com/camera/raspberry-pi-image-signal-processor-specification.pdf Signed-off-by: Jacopo Mondi <jacopo.mo...@ideasonboard.com> Reviewed-by: Rob Herring <r...@kernel.org> Reviewed-by: Naushir Patuck <na...@raspberrypi.com> Signed-off-by: Sakari Ailus <sakari.ai...@linux.intel.com> Signed-off-by: Hans Verkuil <hverkuil-ci...@xs4all.nl> .../bindings/media/raspberrypi,pispbe.yaml | 63 ++++++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 64 insertions(+) --- diff --git a/Documentation/devicetree/bindings/media/raspberrypi,pispbe.yaml b/Documentation/devicetree/bindings/media/raspberrypi,pispbe.yaml new file mode 100644 index 000000000000..1fc62a1d8eda --- /dev/null +++ b/Documentation/devicetree/bindings/media/raspberrypi,pispbe.yaml @@ -0,0 +1,63 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/media/raspberrypi,pispbe.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Raspberry Pi PiSP Image Signal Processor (ISP) Back End + +maintainers: + - Raspberry Pi Kernel Maintenance <kernel-l...@raspberrypi.com> + - Jacopo Mondi <jacopo.mo...@ideasonboard.com> + +description: | + The Raspberry Pi PiSP Image Signal Processor (ISP) Back End is an image + processor that fetches images in Bayer or Grayscale format from DRAM memory + in tiles and produces images consumable by applications. + + The full ISP documentation is available at + https://datasheets.raspberrypi.com/camera/raspberry-pi-image-signal-processor-specification.pdf + +properties: + compatible: + items: + - enum: + - brcm,bcm2712-pispbe + - const: raspberrypi,pispbe + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + + iommus: + maxItems: 1 + +required: + - compatible + - reg + - interrupts + - clocks + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + + soc { + #address-cells = <2>; + #size-cells = <2>; + + isp@880000 { + compatible = "brcm,bcm2712-pispbe", "raspberrypi,pispbe"; + reg = <0x10 0x00880000 0x0 0x4000>; + interrupts = <GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&firmware_clocks 7>; + iommus = <&iommu2>; + }; + }; diff --git a/MAINTAINERS b/MAINTAINERS index 861ee24cc1f7..4f8126990da2 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -18810,6 +18810,7 @@ M: Jacopo Mondi <jacopo.mo...@ideasonboard.com> L: Raspberry Pi Kernel Maintenance <kernel-l...@raspberrypi.com> L: linux-me...@vger.kernel.org S: Maintained +F: Documentation/devicetree/bindings/media/raspberrypi,pispbe.yaml F: include/uapi/linux/media/raspberrypi/ RC-CORE / LIRC FRAMEWORK
