117 lines
2.3 KiB
YAML
117 lines
2.3 KiB
YAML
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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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$id: http://devicetree.org/schemas/media/st,stm32-dcmi.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: STMicroelectronics STM32 Digital Camera Memory Interface (DCMI) binding
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maintainers:
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- Hugues Fruchet <hugues.fruchet@foss.st.com>
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properties:
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compatible:
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const: st,stm32-dcmi
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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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maxItems: 1
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clock-names:
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items:
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- const: mclk
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dmas:
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maxItems: 1
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dma-names:
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items:
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- const: tx
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resets:
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maxItems: 1
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port:
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$ref: /schemas/graph.yaml#/$defs/port-base
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unevaluatedProperties: false
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description:
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DCMI supports a single port node with parallel bus.
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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: [5, 6]
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default: 5
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bus-width:
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enum: [8, 10, 12, 14]
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default: 8
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allOf:
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- if:
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properties:
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bus-type:
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const: 6
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then:
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properties:
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hsync-active: false
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vsync-active: false
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bus-width:
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enum: [8]
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required:
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- bus-type
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- pclk-sample
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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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- clock-names
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- resets
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- dmas
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- dma-names
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- port
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additionalProperties: false
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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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#include <dt-bindings/clock/stm32mp1-clks.h>
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#include <dt-bindings/reset/stm32mp1-resets.h>
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dcmi: dcmi@4c006000 {
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compatible = "st,stm32-dcmi";
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reg = <0x4c006000 0x400>;
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interrupts = <GIC_SPI 78 IRQ_TYPE_LEVEL_HIGH>;
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resets = <&rcc CAMITF_R>;
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clocks = <&rcc DCMI>;
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clock-names = "mclk";
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dmas = <&dmamux1 75 0x400 0x0d>;
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dma-names = "tx";
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port {
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dcmi_0: endpoint {
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remote-endpoint = <&ov5640_0>;
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bus-type = <5>;
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bus-width = <8>;
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hsync-active = <0>;
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vsync-active = <0>;
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pclk-sample = <1>;
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};
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};
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};
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...
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