git.openwrt.org Git - openwrt/staging/linusw.git/blob

   1 From f76b8590a1808ae27ce687b2ab5eedb3cd4b3149 Mon Sep 17 00:00:00 2001
   2 From: Dave Stevenson <dave.stevenson@raspberrypi.com>
   3 Date: Fri, 25 Feb 2022 18:16:26 +0000
   4 Subject: [PATCH] dtoverlays: Add overlay for Omnivision OV2311 image
   5  sensor
   6
   7 Adds an overlay for the OV2311 1600x1300 monochrome global
   8 shutter image sensor.
   9
  10 Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
  11 ---
  12  arch/arm/boot/dts/overlays/Makefile           |  1 +
  13  arch/arm/boot/dts/overlays/README             | 15 +++
  14  arch/arm/boot/dts/overlays/ov2311-overlay.dts | 93 +++++++++++++++++++
  15  3 files changed, 109 insertions(+)
  16  create mode 100644 arch/arm/boot/dts/overlays/ov2311-overlay.dts
  17
  18 --- a/arch/arm/boot/dts/overlays/Makefile
  19 +++ b/arch/arm/boot/dts/overlays/Makefile
  20 @@ -139,6 +139,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
  21         mmc.dtbo \
  22         mpu6050.dtbo \
  23         mz61581.dtbo \
  24 +       ov2311.dtbo \
  25         ov5647.dtbo \
  26         ov7251.dtbo \
  27         ov9281.dtbo \
  28 --- a/arch/arm/boot/dts/overlays/README
  29 +++ b/arch/arm/boot/dts/overlays/README
  30 @@ -2421,6 +2421,21 @@ Params: speed                   Display
  31          xohms                   Touchpanel sensitivity (X-plate resistance)
  32
  33
  34 +Name:   ov2311
  35 +Info:   Omnivision OV2311 camera module.
  36 +        Uses Unicam 1, which is the standard camera connector on most Pi
  37 +        variants.
  38 +Load:   dtoverlay=ov2311,<param>=<val>
  39 +Params: rotation                Mounting rotation of the camera sensor (0 or
  40 +                                180, default 0)
  41 +        orientation             Sensor orientation (0 = front, 1 = rear,
  42 +                                2 = external, default external)
  43 +        media-controller        Configure use of Media Controller API for
  44 +                                configuring the sensor (default on)
  45 +        cam0                    Adopt the default configuration for CAM0 on a
  46 +                                Compute Module (CSI0, i2c_vc, and cam0_reg).
  47 +
  48 +
  49  Name:   ov5647
  50  Info:   Omnivision OV5647 camera module.
  51          Uses Unicam 1, which is the standard camera connector on most Pi
  52 --- /dev/null
  53 +++ b/arch/arm/boot/dts/overlays/ov2311-overlay.dts
  54 @@ -0,0 +1,93 @@
  55 +// SPDX-License-Identifier: GPL-2.0-only
  56 +// Definitions for OV2311 camera module on VC I2C bus
  57 +/dts-v1/;
  58 +/plugin/;
  59 +
  60 +#include <dt-bindings/gpio/gpio.h>
  61 +
  62 +/{
  63 +       compatible = "brcm,bcm2835";
  64 +
  65 +       i2c_frag: fragment@0 {
  66 +               target = <&i2c_csi_dsi>;
  67 +               __overlay__ {
  68 +                       #address-cells = <1>;
  69 +                       #size-cells = <0>;
  70 +                       status = "okay";
  71 +
  72 +                       ov2311: ov2311@60 {
  73 +                               compatible = "ovti,ov2311";
  74 +                               reg = <0x60>;
  75 +                               status = "okay";
  76 +
  77 +                               clocks = <&cam1_clk>;
  78 +                               clock-names = "xvclk";
  79 +
  80 +                               avdd-supply = <&cam1_reg>;
  81 +                               dovdd-supply = <&cam_dummy_reg>;
  82 +                               dvdd-supply = <&cam_dummy_reg>;
  83 +
  84 +                               rotation = <0>;
  85 +                               orientation = <2>;
  86 +
  87 +                               port {
  88 +                                       ov2311_0: endpoint {
  89 +                                               remote-endpoint = <&csi1_ep>;
  90 +                                               clock-lanes = <0>;
  91 +                                               data-lanes = <1 2>;
  92 +                                               link-frequencies =
  93 +                                                       /bits/ 64 <400000000>;
  94 +                                       };
  95 +                               };
  96 +                       };
  97 +               };
  98 +       };
  99 +
 100 +       csi_frag: fragment@1 {
 101 +               target = <&csi1>;
 102 +               csi: __overlay__ {
 103 +                       status = "okay";
 104 +                       brcm,media-controller;
 105 +
 106 +                       port {
 107 +                               csi1_ep: endpoint {
 108 +                                       remote-endpoint = <&ov2311_0>;
 109 +                                       data-lanes = <1 2>;
 110 +                               };
 111 +                       };
 112 +               };
 113 +       };
 114 +
 115 +       fragment@2 {
 116 +               target = <&i2c0if>;
 117 +               __overlay__ {
 118 +                       status = "okay";
 119 +               };
 120 +       };
 121 +
 122 +       fragment@3 {
 123 +               target = <&i2c0mux>;
 124 +               __overlay__ {
 125 +                       status = "okay";
 126 +               };
 127 +       };
 128 +
 129 +       clk_frag: fragment@4 {
 130 +               target = <&cam1_clk>;
 131 +               __overlay__ {
 132 +                       status = "okay";
 133 +                       clock-frequency = <24000000>;
 134 +               };
 135 +       };
 136 +
 137 +       __overrides__ {
 138 +               rotation = <&ov2311>,"rotation:0";
 139 +               orientation = <&ov2311>,"orientation:0";
 140 +               media-controller = <&csi>,"brcm,media-controller?";
 141 +               cam0 = <&i2c_frag>, "target:0=",<&i2c_vc>,
 142 +                      <&csi_frag>, "target:0=",<&csi0>,
 143 +                      <&clk_frag>, "target:0=",<&cam0_clk>,
 144 +                      <&ov2311>, "clocks:0=",<&cam0_clk>,
 145 +                      <&ov2311>, "avdd-supply:0=",<&cam0_reg>;
 146 +       };
 147 +};