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.mondi@xxxxxxxxxxxxxxxx> --- .../bindings/media/raspberrypi,pispbe.yaml | 68 +++++++++++++++++++ 1 file changed, 68 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/raspberrypi,pispbe.yaml diff --git a/Documentation/devicetree/bindings/media/raspberrypi,pispbe.yaml b/Documentation/devicetree/bindings/media/raspberrypi,pispbe.yaml new file mode 100644 index 000000000000..50111b87ad81 --- /dev/null +++ b/Documentation/devicetree/bindings/media/raspberrypi,pispbe.yaml @@ -0,0 +1,68 @@ +# 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: + - Dave Stevenson <dave.stevenson@xxxxxxxxxxxxxxx> + - David Plowman <david.plowman@xxxxxxxxxxxxxxx> + - Jacopo Mondi <jacopo.mondi@xxxxxxxxxxxxxxxx> + - Naushir Patuck <naush@xxxxxxxxxxxxxxx> + - Nick Hollinghurst <nick.hollinghurst@xxxxxxxxxxxxxxx> + +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: + const: raspberrypi,pispbe + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + + clock-names: + const: isp_be + + iommus: + maxItems: 1 + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + + rpi1 { + #address-cells = <2>; + #size-cells = <2>; + + isp: pisp_be@880000 { + compatible = "raspberrypi,pispbe"; + reg = <0x10 0x00880000 0x0 0x4000>; + interrupts = <GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&firmware_clocks 7>; + clock-names = "isp_be"; + iommus = <&iommu2>; + }; + }; -- 2.43.0
