Hi Jacopo, On Fri, 8 Mar 2024 at 08:50, Jacopo Mondi <jacopo.mondi@xxxxxxxxxxxxxxxx> wrote: > > 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> > Reviewed-by: Rob Herring <robh@xxxxxxxxxx> Reviewed-by: Naushir Patuck <naush@xxxxxxxxxxxxxxx> > --- > v3->v4: > - Drop 'clock-names' as we have been confirmed there's a single clock > > v2->v3: > - Add back 'clock-names' as suggested by Laurent > - Add Rob's ack > - minor grammar/style fixes > --- > .../bindings/media/raspberrypi,pispbe.yaml | 63 +++++++++++++++++++ > 1 file changed, 63 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..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-list@xxxxxxxxxxxxxxx> > + - Jacopo Mondi <jacopo.mondi@xxxxxxxxxxxxxxxx> > + > +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>; > + }; > + }; > -- > 2.43.2 >
