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Add documentation for the Rockchip PX30 Video Input Processor (VIP). Signed-off-by: Mehdi Djait <mehdi.djait@bootlin.com> [revised description] Reviewed-by: Rob Herring (Arm) <robh@kernel.org> Signed-off-by: Michael Riesch <michael.riesch@wolfvision.net> Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org> Signed-off-by: Michael Riesch <michael.riesch@collabora.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
125 lines
2.8 KiB
YAML
125 lines
2.8 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/media/rockchip,px30-vip.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Rockchip PX30 Video Input Processor (VIP)
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maintainers:
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- Mehdi Djait <mehdi.djait@linux.intel.com>
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- Michael Riesch <michael.riesch@collabora.com>
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description:
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The Rockchip PX30 Video Input Processor (VIP) receives the data from a camera
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sensor or CCIR656 encoder and transfers it into system main memory by AXI bus.
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properties:
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compatible:
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const: rockchip,px30-vip
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reg:
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maxItems: 1
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interrupts:
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maxItems: 1
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clocks:
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items:
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- description: ACLK
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- description: HCLK
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- description: PCLK
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clock-names:
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items:
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- const: aclk
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- const: hclk
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- const: pclk
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resets:
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items:
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- description: AXI
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- description: AHB
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- description: PCLK IN
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reset-names:
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items:
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- const: axi
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- const: ahb
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- const: pclkin
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power-domains:
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maxItems: 1
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ports:
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$ref: /schemas/graph.yaml#/properties/ports
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properties:
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port@0:
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$ref: /schemas/graph.yaml#/$defs/port-base
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unevaluatedProperties: false
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description: input port on the parallel interface
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properties:
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endpoint:
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$ref: video-interfaces.yaml#
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unevaluatedProperties: false
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properties:
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bus-type:
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enum:
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- 5 # MEDIA_BUS_TYPE_PARALLEL
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- 6 # MEDIA_BUS_TYPE_BT656
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required:
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- bus-type
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required:
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- port@0
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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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- ports
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/clock/px30-cru.h>
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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#include <dt-bindings/media/video-interfaces.h>
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#include <dt-bindings/power/px30-power.h>
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soc {
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#address-cells = <2>;
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#size-cells = <2>;
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video-capture@ff490000 {
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compatible = "rockchip,px30-vip";
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reg = <0x0 0xff490000 0x0 0x200>;
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interrupts = <GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH>;
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clocks = <&cru ACLK_CIF>, <&cru HCLK_CIF>, <&cru PCLK_CIF>;
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clock-names = "aclk", "hclk", "pclk";
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power-domains = <&power PX30_PD_VI>;
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resets = <&cru SRST_CIF_A>, <&cru SRST_CIF_H>, <&cru SRST_CIF_PCLKIN>;
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reset-names = "axi", "ahb", "pclkin";
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ports {
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#address-cells = <1>;
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#size-cells = <0>;
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port@0 {
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reg = <0>;
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cif_in: endpoint {
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remote-endpoint = <&tw9900_out>;
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bus-type = <MEDIA_BUS_TYPE_BT656>;
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};
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};
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};
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};
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};
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