arch/arm/boot/dts/overlays/imx296-overlay.dts

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 // Definitions for IMX296 camera module on VC I2C bus
   3 /dts-v1/;
   4 /plugin/;
   5
   6 #include <dt-bindings/gpio/gpio.h>
   7
   8 /{
   9         compatible = "brcm,bcm2835";
  10
  11         fragment@0 {
  12                 target = <&i2c0if>;
  13                 __overlay__ {
  14                         status = "okay";
  15                 };
  16         };
  17
  18         clk_frag: fragment@1 {
  19                 target = <&cam1_clk>;
  20                 clk_over: __overlay__ {
  21                         status = "okay";
  22                         clock-frequency = <54000000>;
  23                 };
  24         };
  25
  26         fragment@2 {
  27                 target = <&i2c0mux>;
  28                 __overlay__ {
  29                         status = "okay";
  30                 };
  31         };
  32
  33         reg_frag: fragment@5 {
  34                 target = <&cam1_reg>;
  35                 cam_reg: __overlay__ {
  36                         startup-delay-us = <500000>;
  37                 };
  38         };
  39
  40         reg_alwayson_frag: fragment@99 {
  41                 target = <&cam1_reg>;
  42                 __dormant__ {
  43                         regulator-always-on;
  44                 };
  45         };
  46
  47         i2c_frag: fragment@100 {
  48                 target = <&i2c_csi_dsi>;
  49                 __overlay__ {
  50                         #address-cells = <1>;
  51                         #size-cells = <0>;
  52                         status = "okay";
  53
  54                         imx296: imx296@1a {
  55                                 compatible = "sony,imx296";
  56                                 reg = <0x1a>;
  57                                 status = "okay";
  58
  59                                 clocks = <&cam1_clk>;
  60                                 clock-names = "inck";
  61
  62                                 avdd-supply = <&cam1_reg>;      /* 3.3v */
  63                                 dvdd-supply = <&cam_dummy_reg>; /* 1.8v */
  64                                 ovdd-supply = <&cam_dummy_reg>; /* 1.2v */
  65
  66                                 rotation = <180>;
  67                                 orientation = <2>;
  68
  69                                 port {
  70                                         imx296_0: endpoint {
  71                                                 remote-endpoint = <&csi_ep>;
  72                                                 clock-lanes = <0>;
  73                                                 data-lanes = <1>;
  74                                                 clock-noncontinuous;
  75                                                 link-frequencies =
  76                                                         /bits/ 64 <594000000>;
  77                                         };
  78                                 };
  79                         };
  80                 };
  81         };
  82
  83         csi_frag: fragment@101 {
  84                 target = <&csi1>;
  85                 csi: __overlay__ {
  86                         status = "okay";
  87                         brcm,media-controller;
  88
  89                         port {
  90                                 csi_ep: endpoint {
  91                                         remote-endpoint = <&imx296_0>;
  92                                         clock-lanes = <0>;
  93                                         data-lanes = <1>;
  94                                         clock-noncontinuous;
  95                                 };
  96                         };
  97                 };
  98         };
  99
 100         __overrides__ {
 101                 rotation = <&imx296>,"rotation:0";
 102                 orientation = <&imx296>,"orientation:0";
 103                 media-controller = <&csi>,"brcm,media-controller?";
 104                 cam0 = <&i2c_frag>, "target:0=",<&i2c_csi_dsi0>,
 105                        <&csi_frag>, "target:0=",<&csi0>,
 106                        <&clk_frag>, "target:0=",<&cam0_clk>,
 107                        <&reg_frag>, "target:0=",<&cam0_reg>,
 108                        <&reg_alwayson_frag>, "target:0=",<&cam0_reg>,
 109                        <&imx296>, "clocks:0=",<&cam0_clk>,
 110                        <&imx296>, "avdd-supply:0=",<&cam0_reg>;
 111                 clock-frequency = <&clk_over>, "clock-frequency:0";
 112                 always-on = <0>, "+99";
 113         };
 114 };