173 lines
		
	
	
		
			4.8 KiB
		
	
	
	
		
			YAML
		
	
	
	
	
	
			
		
		
	
	
			173 lines
		
	
	
		
			4.8 KiB
		
	
	
	
		
			YAML
		
	
	
	
	
	
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
 | 
						|
%YAML 1.2
 | 
						|
---
 | 
						|
$id: http://devicetree.org/schemas/media/nxp,imx8mq-mipi-csi2.yaml#
 | 
						|
$schema: http://devicetree.org/meta-schemas/core.yaml#
 | 
						|
 | 
						|
title: NXP i.MX8MQ MIPI CSI-2 receiver
 | 
						|
 | 
						|
maintainers:
 | 
						|
  - Martin Kepplinger <martin.kepplinger@puri.sm>
 | 
						|
 | 
						|
description: |-
 | 
						|
  This binding covers the CSI-2 RX PHY and host controller included in the
 | 
						|
  NXP i.MX8MQ SoC. It handles the sensor/image input and process for all the
 | 
						|
  input imaging devices.
 | 
						|
 | 
						|
properties:
 | 
						|
  compatible:
 | 
						|
    enum:
 | 
						|
      - fsl,imx8mq-mipi-csi2
 | 
						|
 | 
						|
  reg:
 | 
						|
    maxItems: 1
 | 
						|
 | 
						|
  clocks:
 | 
						|
    items:
 | 
						|
      - description: core is the RX Controller Core Clock input. This clock
 | 
						|
                     must be exactly equal to or faster than the receive
 | 
						|
                     byteclock from the RX DPHY.
 | 
						|
      - description: esc is the Rx Escape Clock. This must be the same escape
 | 
						|
                     clock that the RX DPHY receives.
 | 
						|
      - description: ui is the pixel clock (phy_ref up to 333Mhz).
 | 
						|
                     See the reference manual for details.
 | 
						|
 | 
						|
  clock-names:
 | 
						|
    items:
 | 
						|
      - const: core
 | 
						|
      - const: esc
 | 
						|
      - const: ui
 | 
						|
 | 
						|
  power-domains:
 | 
						|
    maxItems: 1
 | 
						|
 | 
						|
  resets:
 | 
						|
    items:
 | 
						|
      - description: CORE_RESET reset register bit definition
 | 
						|
      - description: PHY_REF_RESET reset register bit definition
 | 
						|
      - description: ESC_RESET reset register bit definition
 | 
						|
 | 
						|
  fsl,mipi-phy-gpr:
 | 
						|
    description: |
 | 
						|
      The phandle to the imx8mq syscon iomux-gpr with the register
 | 
						|
      for setting RX_ENABLE for the mipi receiver.
 | 
						|
 | 
						|
      The format should be as follows:
 | 
						|
      <gpr req_gpr>
 | 
						|
      gpr is the phandle to general purpose register node.
 | 
						|
      req_gpr is the gpr register offset of RX_ENABLE for the mipi phy.
 | 
						|
    $ref: /schemas/types.yaml#/definitions/phandle-array
 | 
						|
    items:
 | 
						|
      - items:
 | 
						|
          - description: The 'gpr' is the phandle to general purpose register node.
 | 
						|
          - description: The 'req_gpr' is the gpr register offset containing
 | 
						|
                        CSI2_1_RX_ENABLE or CSI2_2_RX_ENABLE respectively.
 | 
						|
            maximum: 0xff
 | 
						|
 | 
						|
  interconnects:
 | 
						|
    maxItems: 1
 | 
						|
 | 
						|
  interconnect-names:
 | 
						|
    const: dram
 | 
						|
 | 
						|
  ports:
 | 
						|
    $ref: /schemas/graph.yaml#/properties/ports
 | 
						|
 | 
						|
    properties:
 | 
						|
      port@0:
 | 
						|
        $ref: /schemas/graph.yaml#/$defs/port-base
 | 
						|
        unevaluatedProperties: false
 | 
						|
        description:
 | 
						|
          Input port node, single endpoint describing the CSI-2 transmitter.
 | 
						|
 | 
						|
        properties:
 | 
						|
          endpoint:
 | 
						|
            $ref: video-interfaces.yaml#
 | 
						|
            unevaluatedProperties: false
 | 
						|
 | 
						|
            properties:
 | 
						|
              data-lanes:
 | 
						|
                minItems: 1
 | 
						|
                items:
 | 
						|
                  - const: 1
 | 
						|
                  - const: 2
 | 
						|
                  - const: 3
 | 
						|
                  - const: 4
 | 
						|
 | 
						|
            required:
 | 
						|
              - data-lanes
 | 
						|
 | 
						|
      port@1:
 | 
						|
        $ref: /schemas/graph.yaml#/properties/port
 | 
						|
        description:
 | 
						|
          Output port node
 | 
						|
 | 
						|
    required:
 | 
						|
      - port@0
 | 
						|
      - port@1
 | 
						|
 | 
						|
required:
 | 
						|
  - compatible
 | 
						|
  - reg
 | 
						|
  - clocks
 | 
						|
  - clock-names
 | 
						|
  - power-domains
 | 
						|
  - resets
 | 
						|
  - fsl,mipi-phy-gpr
 | 
						|
  - ports
 | 
						|
 | 
						|
additionalProperties: false
 | 
						|
 | 
						|
examples:
 | 
						|
  - |
 | 
						|
    #include <dt-bindings/clock/imx8mq-clock.h>
 | 
						|
    #include <dt-bindings/interconnect/imx8mq.h>
 | 
						|
    #include <dt-bindings/reset/imx8mq-reset.h>
 | 
						|
 | 
						|
    csi@30a70000 {
 | 
						|
        compatible = "fsl,imx8mq-mipi-csi2";
 | 
						|
        reg = <0x30a70000 0x1000>;
 | 
						|
        clocks = <&clk IMX8MQ_CLK_CSI1_CORE>,
 | 
						|
                 <&clk IMX8MQ_CLK_CSI1_ESC>,
 | 
						|
                 <&clk IMX8MQ_CLK_CSI1_PHY_REF>;
 | 
						|
        clock-names = "core", "esc", "ui";
 | 
						|
        assigned-clocks = <&clk IMX8MQ_CLK_CSI1_CORE>,
 | 
						|
                          <&clk IMX8MQ_CLK_CSI1_PHY_REF>,
 | 
						|
                          <&clk IMX8MQ_CLK_CSI1_ESC>;
 | 
						|
        assigned-clock-rates = <266000000>, <200000000>, <66000000>;
 | 
						|
        assigned-clock-parents = <&clk IMX8MQ_SYS1_PLL_266M>,
 | 
						|
                                 <&clk IMX8MQ_SYS2_PLL_1000M>,
 | 
						|
                                 <&clk IMX8MQ_SYS1_PLL_800M>;
 | 
						|
        power-domains = <&pgc_mipi_csi1>;
 | 
						|
        resets = <&src IMX8MQ_RESET_MIPI_CSI1_CORE_RESET>,
 | 
						|
                 <&src IMX8MQ_RESET_MIPI_CSI1_PHY_REF_RESET>,
 | 
						|
                 <&src IMX8MQ_RESET_MIPI_CSI1_ESC_RESET>;
 | 
						|
        fsl,mipi-phy-gpr = <&iomuxc_gpr 0x88>;
 | 
						|
        interconnects = <&noc IMX8MQ_ICM_CSI1 &noc IMX8MQ_ICS_DRAM>;
 | 
						|
        interconnect-names = "dram";
 | 
						|
 | 
						|
        ports {
 | 
						|
            #address-cells = <1>;
 | 
						|
            #size-cells = <0>;
 | 
						|
 | 
						|
            port@0 {
 | 
						|
                reg = <0>;
 | 
						|
 | 
						|
                imx8mm_mipi_csi_in: endpoint {
 | 
						|
                    remote-endpoint = <&imx477_out>;
 | 
						|
                    data-lanes = <1 2 3 4>;
 | 
						|
                };
 | 
						|
            };
 | 
						|
 | 
						|
            port@1 {
 | 
						|
                reg = <1>;
 | 
						|
 | 
						|
                imx8mm_mipi_csi_out: endpoint {
 | 
						|
                    remote-endpoint = <&csi_in>;
 | 
						|
                };
 | 
						|
            };
 | 
						|
        };
 | 
						|
    };
 | 
						|
 | 
						|
...
 |