xref: /linux/Documentation/devicetree/bindings/media/nxp,imx8-jpeg.yaml (revision 0cdee263bc5e7b20f657ea09f9272f50c568f35b) !

# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/media/nxp,imx8-jpeg.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: i.MX8QXP/QM JPEG decoder/encoder

maintainers:
  - Mirela Rabulea <mirela.rabulea@nxp.com>

description: |-
  The JPEG decoder/encoder present in iMX8QXP and iMX8QM SoCs is an
  ISO/IEC 10918-1 JPEG standard compliant decoder/encoder, for Baseline
  and Extended Sequential DCT modes.

properties:
  compatible:
    oneOf:
      - items:
          enum:
            - nxp,imx8qxp-jpgdec
            - nxp,imx8qxp-jpgenc
      - items:
          - enum:
              - nxp,imx8qm-jpgdec
              - nxp,imx95-jpgdec
          - const: nxp,imx8qxp-jpgdec
      - items:
          - enum:
              - nxp,imx8qm-jpgenc
              - nxp,imx95-jpgenc
          - const: nxp,imx8qxp-jpgenc

  reg:
    maxItems: 1

  clocks:
    items:
      - description: AXI DMA engine clock for fetching JPEG bitstream from memory (per)
      - description: IP bus clock for register access (ipg)

  interrupts:
    description: |
      There are 4 slots available in the IP, which the driver may use
      If a certain slot is used, it should have an associated interrupt
      The interrupt with index i is assumed to be for slot i
    minItems: 1               # At least one slot is needed by the driver
    maxItems: 4               # The IP has 4 slots available for use

  power-domains:
    description:
      List of phandle and PM domain specifier as documented in
      Documentation/devicetree/bindings/power/power_domain.txt
    minItems: 1               # Wrapper and all slots
    maxItems: 5               # Wrapper and 4 slots

required:
  - compatible
  - reg
  - clocks
  - interrupts
  - power-domains

allOf:
  - if:
      properties:
        compatible:
          contains:
            enum:
              - nxp,imx95-jpgenc
              - nxp,imx95-jpgdec
    then:
      properties:
        power-domains:
          maxItems: 1
    else:
      properties:
        power-domains:
          minItems: 2        # Wrapper and 1 slot


additionalProperties: false

examples:
  - |
    #include <dt-bindings/clock/imx8-lpcg.h>
    #include <dt-bindings/interrupt-controller/arm-gic.h>
    #include <dt-bindings/firmware/imx/rsrc.h>

    jpegdec: jpegdec@58400000 {
        compatible = "nxp,imx8qxp-jpgdec";
        reg = <0x58400000 0x00050000 >;
        clocks = <&img_jpeg_dec_lpcg IMX_LPCG_CLK_0>,
                 <&img_jpeg_dec_lpcg IMX_LPCG_CLK_4>;
        interrupts = <GIC_SPI 309 IRQ_TYPE_LEVEL_HIGH>,
                     <GIC_SPI 310 IRQ_TYPE_LEVEL_HIGH>,
                     <GIC_SPI 311 IRQ_TYPE_LEVEL_HIGH>,
                     <GIC_SPI 312 IRQ_TYPE_LEVEL_HIGH>;
        power-domains = <&pd IMX_SC_R_MJPEG_DEC_MP>,
                        <&pd IMX_SC_R_MJPEG_DEC_S0>,
                        <&pd IMX_SC_R_MJPEG_DEC_S1>,
                        <&pd IMX_SC_R_MJPEG_DEC_S2>,
                        <&pd IMX_SC_R_MJPEG_DEC_S3>;
    };

    jpegenc: jpegenc@58450000 {
        compatible = "nxp,imx8qm-jpgenc", "nxp,imx8qxp-jpgenc";
        reg = <0x58450000 0x00050000 >;
        clocks = <&img_jpeg_enc_lpcg IMX_LPCG_CLK_0>,
                 <&img_jpeg__lpcg IMX_LPCG_CLK_4>;
        interrupts = <GIC_SPI 305 IRQ_TYPE_LEVEL_HIGH>,
                     <GIC_SPI 306 IRQ_TYPE_LEVEL_HIGH>,
                     <GIC_SPI 307 IRQ_TYPE_LEVEL_HIGH>,
                     <GIC_SPI 308 IRQ_TYPE_LEVEL_HIGH>;
        power-domains = <&pd IMX_SC_R_MJPEG_ENC_MP>,
                        <&pd IMX_SC_R_MJPEG_ENC_S0>,
                        <&pd IMX_SC_R_MJPEG_ENC_S1>,
                        <&pd IMX_SC_R_MJPEG_ENC_S2>,
                        <&pd IMX_SC_R_MJPEG_ENC_S3>;
    };
...