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98 lines
2.8 KiB
Diff
98 lines
2.8 KiB
Diff
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From c38a898c6877c6722ebfecea99f42e5a84c3e453 Mon Sep 17 00:00:00 2001
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From: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
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Date: Thu, 25 Jan 2024 16:42:33 +0100
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Subject: [PATCH 1152/1215] media: dt-bindings: Add bindings for Raspberry Pi
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PiSP Back End
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Add bindings for the Raspberry Pi PiSP Back End memory-to-memory image
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signal processor.
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Datasheet:
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https://datasheets.raspberrypi.com/camera/raspberry-pi-image-signal-processor-specification.pdf
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Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
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Reviewed-by: Rob Herring <robh@kernel.org>
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Reviewed-by: Naushir Patuck <naush@raspberrypi.com>
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---
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.../bindings/media/raspberrypi,pispbe.yaml | 63 +++++++++++++++++++
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MAINTAINERS | 1 +
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2 files changed, 64 insertions(+)
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create mode 100644 Documentation/devicetree/bindings/media/raspberrypi,pispbe.yaml
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--- /dev/null
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+++ b/Documentation/devicetree/bindings/media/raspberrypi,pispbe.yaml
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@@ -0,0 +1,63 @@
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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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+%YAML 1.2
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+---
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+$id: http://devicetree.org/schemas/media/raspberrypi,pispbe.yaml#
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+$schema: http://devicetree.org/meta-schemas/core.yaml#
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+
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+title: Raspberry Pi PiSP Image Signal Processor (ISP) Back End
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+
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+maintainers:
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+ - Raspberry Pi Kernel Maintenance <kernel-list@raspberrypi.com>
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+ - Jacopo Mondi <jacopo.mondi@ideasonboard.com>
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+
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+description: |
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+ The Raspberry Pi PiSP Image Signal Processor (ISP) Back End is an image
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+ processor that fetches images in Bayer or Grayscale format from DRAM memory
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+ in tiles and produces images consumable by applications.
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+
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+ The full ISP documentation is available at
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+ https://datasheets.raspberrypi.com/camera/raspberry-pi-image-signal-processor-specification.pdf
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+
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+properties:
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+ compatible:
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+ items:
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+ - enum:
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+ - brcm,bcm2712-pispbe
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+ - const: raspberrypi,pispbe
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+
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+ reg:
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+ maxItems: 1
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+
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+ interrupts:
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+ maxItems: 1
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+
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+ clocks:
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+ maxItems: 1
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+
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+ iommus:
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+ maxItems: 1
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+
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+required:
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+ - compatible
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+ - reg
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+ - interrupts
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+ - clocks
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+
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+additionalProperties: false
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+
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+examples:
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+ - |
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+ #include <dt-bindings/interrupt-controller/arm-gic.h>
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+
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+ soc {
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+ #address-cells = <2>;
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+ #size-cells = <2>;
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+
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+ isp@880000 {
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+ compatible = "brcm,bcm2712-pispbe", "raspberrypi,pispbe";
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+ reg = <0x10 0x00880000 0x0 0x4000>;
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+ interrupts = <GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH>;
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+ clocks = <&firmware_clocks 7>;
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+ iommus = <&iommu2>;
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+ };
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+ };
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--- a/MAINTAINERS
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+++ b/MAINTAINERS
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@@ -18037,6 +18037,7 @@ M: Jacopo Mondi <jacopo.mondi@ideasonboa
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L: Raspberry Pi Kernel Maintenance <kernel-list@raspberrypi.com>
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L: linux-media@vger.kernel.org
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S: Maintained
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+F: Documentation/devicetree/bindings/media/raspberrypi,pispbe.yaml
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F: include/uapi/linux/media/raspberrypi/
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RC-CORE / LIRC FRAMEWORK
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