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

   1 From 57250281004e141dff4662d1abb3f31982ec01ee Mon Sep 17 00:00:00 2001
   2 From: Dave Stevenson <dave.stevenson@raspberrypi.com>
   3 Date: Tue, 19 May 2020 13:35:17 +0100
   4 Subject: [PATCH] dtoverlays: Add an overlay for the Sony IMX290
   5  image sensor
   6
   7 Adds an overlay to configure the IMX290 image sensor.
   8
   9 Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
  10 ---
  11  arch/arm/boot/dts/overlays/Makefile           |   1 +
  12  arch/arm/boot/dts/overlays/README             |  16 ++
  13  arch/arm/boot/dts/overlays/imx290-overlay.dts |  32 ++++
  14  .../boot/dts/overlays/imx290_327-overlay.dtsi | 145 ++++++++++++++++++
  15  4 files changed, 194 insertions(+)
  16  create mode 100644 arch/arm/boot/dts/overlays/imx290-overlay.dts
  17  create mode 100644 arch/arm/boot/dts/overlays/imx290_327-overlay.dtsi
  18
  19 --- a/arch/arm/boot/dts/overlays/Makefile
  20 +++ b/arch/arm/boot/dts/overlays/Makefile
  21 @@ -85,6 +85,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
  22         i2s-gpio28-31.dtbo \
  23         ilitek251x.dtbo \
  24         imx219.dtbo \
  25 +       imx290.dtbo \
  26         imx477.dtbo \
  27         iqaudio-codec.dtbo \
  28         iqaudio-dac.dtbo \
  29 --- a/arch/arm/boot/dts/overlays/README
  30 +++ b/arch/arm/boot/dts/overlays/README
  31 @@ -1430,6 +1430,22 @@ Load:   dtoverlay=imx219
  32  Params: <None>
  33
  34
  35 +Name:   imx290
  36 +Info:   Sony IMX290 camera module.
  37 +        Uses Unicam 1, which is the standard camera connector on most Pi
  38 +        variants. NB This currently uses 4 CSI2 data lanes and therefore will
  39 +        only work on a CM.
  40 +Load:   dtoverlay=imx290,<param>
  41 +Params: 4lane                   Enable 4 CSI2 lanes. This requires a Compute
  42 +                                Module (1, 3, or 4).
  43 +        clock-frequency         Sets the clock frequency to match that used on
  44 +                                the board.
  45 +                                Modules from Vision Components use 37.125MHz
  46 +                                (the default), whilst those from Innomaker use
  47 +                                74.25MHz.
  48 +        mono                    Denote that the module is a mono sensor.
  49 +
  50 +
  51  Name:   imx477
  52  Info:   Sony IMX477 camera module.
  53          Uses Unicam 1, which is the standard camera connector on most Pi
  54 --- /dev/null
  55 +++ b/arch/arm/boot/dts/overlays/imx290-overlay.dts
  56 @@ -0,0 +1,32 @@
  57 +// SPDX-License-Identifier: GPL-2.0-only
  58 +// Definitions for IMX290 camera module on VC I2C bus
  59 +/dts-v1/;
  60 +/plugin/;
  61 +
  62 +#include <dt-bindings/gpio/gpio.h>
  63 +#include "imx290_327-overlay.dtsi"
  64 +
  65 +/{
  66 +       compatible = "brcm,bcm2835";
  67 +
  68 +       // Fragment numbers deliberately high to avoid conflicts with the
  69 +       // included imx290_327 overlay file.
  70 +
  71 +       fragment@101 {
  72 +               target = <&imx290>;
  73 +               __overlay__ {
  74 +                       compatible = "sony,imx290";
  75 +               };
  76 +       };
  77 +
  78 +       fragment@102 {
  79 +               target = <&imx290>;
  80 +               __dormant__ {
  81 +                       compatible = "sony,imx290-mono";
  82 +               };
  83 +       };
  84 +
  85 +       __overrides__ {
  86 +               mono = <0>, "-101+102";
  87 +       };
  88 +};
  89 --- /dev/null
  90 +++ b/arch/arm/boot/dts/overlays/imx290_327-overlay.dtsi
  91 @@ -0,0 +1,145 @@
  92 +// SPDX-License-Identifier: GPL-2.0-only
  93 +// Partial definitions for IMX290 or IMX327 camera module on VC I2C bus
  94 +// The compatible string should be set in an overlay that then includes this one
  95 +/dts-v1/;
  96 +/plugin/;
  97 +
  98 +#include <dt-bindings/gpio/gpio.h>
  99 +
 100 +/{
 101 +       compatible = "brcm,bcm2835";
 102 +
 103 +       fragment@0 {
 104 +               target = <&i2c_csi_dsi>;
 105 +               __overlay__ {
 106 +                       #address-cells = <1>;
 107 +                       #size-cells = <0>;
 108 +                       status = "okay";
 109 +
 110 +                       imx290: imx290@1a {
 111 +                               reg = <0x1a>;
 112 +                               status = "okay";
 113 +
 114 +                               clocks = <&imx290_clk>;
 115 +                               clock-names = "xclk";
 116 +                               clock-frequency = <37125000>;
 117 +
 118 +                               vdda-supply = <&imx290_vdda>;   /* 2.8v */
 119 +                               vdddo-supply = <&imx290_vdddo>; /* 1.8v */
 120 +                               vddd-supply = <&imx290_vddd>;   /* 1.5v */
 121 +
 122 +                               port {
 123 +                                       imx290_0: endpoint {
 124 +                                               remote-endpoint = <&csi1_ep>;
 125 +                                               clock-lanes = <0>;
 126 +                                       };
 127 +                               };
 128 +                       };
 129 +               };
 130 +       };
 131 +
 132 +       fragment@1 {
 133 +               target = <&csi1>;
 134 +               __overlay__ {
 135 +                       status = "okay";
 136 +
 137 +                       port {
 138 +                               csi1_ep: endpoint {
 139 +                                       remote-endpoint = <&imx290_0>;
 140 +                               };
 141 +                       };
 142 +               };
 143 +       };
 144 +
 145 +       fragment@2 {
 146 +               target = <&i2c0if>;
 147 +               __overlay__ {
 148 +                       status = "okay";
 149 +               };
 150 +       };
 151 +
 152 +       fragment@3 {
 153 +               target-path="/";
 154 +               __overlay__ {
 155 +                       imx290_vdda: fixedregulator@0 {
 156 +                               compatible = "regulator-fixed";
 157 +                               regulator-name = "imx290_vdda";
 158 +                               regulator-min-microvolt = <2800000>;
 159 +                               regulator-max-microvolt = <2800000>;
 160 +                               gpio = <&gpio 41 GPIO_ACTIVE_HIGH>;
 161 +                               enable-active-high;
 162 +                       };
 163 +                       imx290_vdddo: fixedregulator@1 {
 164 +                               compatible = "regulator-fixed";
 165 +                               regulator-name = "imx290_vdddo";
 166 +                               regulator-min-microvolt = <1800000>;
 167 +                               regulator-max-microvolt = <1800000>;
 168 +                       };
 169 +                       imx290_vddd: fixedregulator@2 {
 170 +                               compatible = "regulator-fixed";
 171 +                               regulator-name = "imx290_vddd";
 172 +                               regulator-min-microvolt = <1500000>;
 173 +                               regulator-max-microvolt = <1500000>;
 174 +                       };
 175 +
 176 +                       imx290_clk: camera-clk {
 177 +                               compatible = "fixed-clock";
 178 +                               #clock-cells = <0>;
 179 +                               clock-frequency = <37125000>;
 180 +                       };
 181 +               };
 182 +       };
 183 +
 184 +       fragment@4 {
 185 +               target = <&i2c0mux>;
 186 +               __overlay__ {
 187 +                       status = "okay";
 188 +               };
 189 +       };
 190 +
 191 +       fragment@5 {
 192 +               target-path="/__overrides__";
 193 +               __overlay__ {
 194 +                       cam0-pwdn-ctrl = <&imx290_vdda>,"gpio:0";
 195 +                       cam0-pwdn      = <&imx290_vdda>,"gpio:4";
 196 +               };
 197 +       };
 198 +
 199 +       fragment@6 {
 200 +               target = <&imx290_0>;
 201 +               __overlay__ {
 202 +                       data-lanes = <1 2>;
 203 +                       link-frequencies =
 204 +                               /bits/ 64 <445500000 297000000>;
 205 +               };
 206 +       };
 207 +
 208 +       fragment@7 {
 209 +               target = <&imx290_0>;
 210 +               __dormant__ {
 211 +                       data-lanes = <1 2 3 4>;
 212 +                       link-frequencies =
 213 +                               /bits/ 64 <222750000 148500000>;
 214 +               };
 215 +       };
 216 +
 217 +       fragment@8 {
 218 +               target = <&csi1_ep>;
 219 +               __overlay__ {
 220 +                       data-lanes = <1 2>;
 221 +               };
 222 +       };
 223 +
 224 +       fragment@9 {
 225 +               target = <&csi1_ep>;
 226 +               __dormant__ {
 227 +                       data-lanes = <1 2 3 4>;
 228 +               };
 229 +       };
 230 +
 231 +       __overrides__ {
 232 +               4lane = <0>, "-6+7-8+9";
 233 +               clock-frequency = <&imx290_clk>,"clock-frequency:0",
 234 +                                 <&imx290>,"clock-frequency:0";
 235 +       };
 236 +};