Commit 64ecc79a authored by Alain Volmat's avatar Alain Volmat Committed by Hans Verkuil
Browse files

dt-bindings: media: add description of stm32 csi 



Add the stm32 csi controller description.

Reviewed-by: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: default avatarAlain Volmat <alain.volmat@foss.st.com>
Signed-off-by: default avatarHans Verkuil <hverkuil@xs4all.nl>
parent b36077ba

Documentation/devicetree/bindings/media/st,stm32mp25-csi.yaml

0 → 100644
+125 −0
Original line number Diff line number Diff line 
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)

%YAML 1.2

---

$id: http://devicetree.org/schemas/media/st,stm32mp25-csi.yaml#

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



title: STMicroelectronics STM32 CSI controller



description:

  The STM32 CSI controller allows connecting a CSI based

  camera to the DCMIPP camera pipeline.



maintainers:

  - Alain Volmat <alain.volmat@foss.st.com>



properties:

  compatible:

    enum:

      - st,stm32mp25-csi



  reg:

    maxItems: 1



  interrupts:

    maxItems: 1



  clocks:

    maxItems: 3



  clock-names:

    items:

      - const: pclk

      - const: txesc

      - const: csi2phy



  resets:

    maxItems: 1



  vdd-supply:

    description: Digital core power supply (0.91V)



  vdda18-supply:

    description: System analog power supply (1.8V)



  access-controllers:

    minItems: 1

    maxItems: 2



  ports:

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



    properties:

      port@0:

        $ref: /schemas/graph.yaml#/$defs/port-base

        unevaluatedProperties: false

        description:

          Input port node



        properties:

          endpoint:

            $ref: video-interfaces.yaml#

            unevaluatedProperties: false



            properties:

              data-lanes:

                minItems: 1

                items:

                  - const: 1

                  - const: 2



            required:

              - data-lanes



      port@1:

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

        description:

          Output port node



required:

  - compatible

  - reg

  - interrupts

  - clocks

  - clock-names

  - resets

  - ports



additionalProperties: false



examples:

  - |

    #include <dt-bindings/clock/st,stm32mp25-rcc.h>

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

    #include <dt-bindings/media/video-interfaces.h>

    #include <dt-bindings/reset/st,stm32mp25-rcc.h>

    csi@48020000 {

        compatible = "st,stm32mp25-csi";

        reg = <0x48020000 0x2000>;

        interrupts = <GIC_SPI 142 IRQ_TYPE_LEVEL_HIGH>;

        resets = <&rcc CSI_R>;

        clocks = <&rcc CK_KER_CSI>, <&rcc CK_KER_CSITXESC>, <&rcc CK_KER_CSIPHY>;

        clock-names = "pclk", "txesc", "csi2phy";



        ports {

            #address-cells = <1>;

            #size-cells = <0>;

            port@0 {

                reg = <0>;

                endpoint {

                    remote-endpoint = <&imx335_ep>;

                    data-lanes = <1 2>;

                    bus-type = <MEDIA_BUS_TYPE_CSI2_DPHY>;

                };

            };



            port@1 {

                reg = <1>;

                endpoint {

                    remote-endpoint = <&dcmipp_0>;

                };

            };

        };

    };



...