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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/Documentation/devicetree/bindings/display/fsl,lcdif.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/display/fsl,lcdif.yaml#

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$schema: http://devicetree.org/meta-schemas/core.yaml#

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title: Freescale/NXP i.MX LCD Interface (LCDIF)

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maintainers:

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  - Marek Vasut <marex@denx.de>

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  - Stefan Agner <stefan@agner.ch>

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description: |

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  (e)LCDIF display controller found in the Freescale/NXP i.MX SoCs.

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properties:

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  compatible:

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    oneOf:

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      - enum:

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          - fsl,imx23-lcdif

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          - fsl,imx28-lcdif

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          - fsl,imx6sx-lcdif

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          - fsl,imx8mp-lcdif

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          - fsl,imx93-lcdif

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      - items:

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          - enum:

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              - fsl,imx6sl-lcdif

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              - fsl,imx6sll-lcdif

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              - fsl,imx6ul-lcdif

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              - fsl,imx7d-lcdif

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              - fsl,imx8mm-lcdif

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              - fsl,imx8mn-lcdif

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              - fsl,imx8mq-lcdif

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          - const: fsl,imx6sx-lcdif

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  reg:

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    maxItems: 1

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  clocks:

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    items:

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      - description: Pixel clock

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      - description: Bus clock

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      - description: Display AXI clock

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    minItems: 1

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  clock-names:

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    items:

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      - const: pix

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      - const: axi

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      - const: disp_axi

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    minItems: 1

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  dmas:

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    items:

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      - description: DMA specifier for the RX DMA channel.

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  dma-names:

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    items:

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      - const: rx

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  interrupts:

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    items:

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      - description: LCDIF DMA interrupt

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      - description: LCDIF Error interrupt

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    minItems: 1

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  power-domains:

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    maxItems: 1

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  port:

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    $ref: /schemas/graph.yaml#/properties/port

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    description: The LCDIF output port

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  display:

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    $ref: /schemas/types.yaml#/definitions/phandle

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    description: phandle to display panel

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    deprecated: true

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  display0:

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    $ref: panel/panel-common.yaml#

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    deprecated: true

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  lcd-supply:

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    deprecated: true

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required:

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  - compatible

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  - reg

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  - clocks

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  - interrupts

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additionalProperties: false

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allOf:

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  - if:

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      properties:

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        compatible:

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          contains:

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            const: fsl,imx6sx-lcdif

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    then:

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      properties:

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        clocks:

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          minItems: 2

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          maxItems: 3

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        clock-names:

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          minItems: 2

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          maxItems: 3

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      required:

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        - clock-names

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  - if:

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      properties:

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        compatible:

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          contains:

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            enum:

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              - fsl,imx8mp-lcdif

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              - fsl,imx93-lcdif

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    then:

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      properties:

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        clocks:

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          minItems: 3

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          maxItems: 3

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        clock-names:

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          minItems: 3

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          maxItems: 3

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      required:

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        - clock-names

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  - if:

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      not:

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        properties:

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          compatible:

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            contains:

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              enum:

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                - fsl,imx6sx-lcdif

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                - fsl,imx8mp-lcdif

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                - fsl,imx93-lcdif

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    then:

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      properties:

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        clocks:

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          maxItems: 1

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        clock-names:

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          maxItems: 1

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  - if:

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      properties:

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        compatible:

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          const: fsl,imx6sx-lcdif

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    then:

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      required:

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        - power-domains

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  - if:

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      properties:

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        compatible:

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          contains:

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            enum:

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              - fsl,imx6sl-lcdif

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              - fsl,imx8mm-lcdif

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              - fsl,imx8mn-lcdif

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              - fsl,imx8mp-lcdif

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              - fsl,imx93-lcdif

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    then:

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      required:

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        - power-domains

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  - if:

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      properties:

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        compatible:

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          contains:

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            enum:

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              - fsl,imx23-lcdif

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    then:

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      properties:

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        interrupts:

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          minItems: 2

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          maxItems: 2

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    else:

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      properties:

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        interrupts:

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          maxItems: 1

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  - if:

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      not:

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        properties:

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          compatible:

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            contains:

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              enum:

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                - fsl,imx28-lcdif

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    then:

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      properties:

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        dmas: false

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        dma-names: false

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        display: false

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        display0: false

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        lcd-supply: false

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      required:

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        - port

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examples:

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  - |

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    #include <dt-bindings/clock/imx6sx-clock.h>

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    #include <dt-bindings/interrupt-controller/arm-gic.h>

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    display-controller@2220000 {

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        compatible = "fsl,imx6sx-lcdif";

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        reg = <0x02220000 0x4000>;

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        interrupts = <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>;

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        clocks = <&clks IMX6SX_CLK_LCDIF1_PIX>,

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                 <&clks IMX6SX_CLK_LCDIF_APB>,

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                 <&clks IMX6SX_CLK_DISPLAY_AXI>;

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        clock-names = "pix", "axi", "disp_axi";

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        power-domains = <&pd_disp>;

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        port {

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            endpoint {

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                remote-endpoint = <&panel_in>;

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            };

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        };

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    };

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...

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