117 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			YAML
		
	
	
	
	
	
			
		
		
	
	
			117 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			YAML
		
	
	
	
	
	
# 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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