target/linux/bcm27xx/patches-5.4/950-0713-dtoverlays-Add-IMX477-sensor-overlay.patch

   1 From 738defbb964c5d2a34b08c24ac0e7fd4afb16173 Mon Sep 17 00:00:00 2001
   2 From: Naushir Patuck <naush@raspberrypi.com>
   3 Date: Thu, 7 May 2020 15:50:04 +0100
   4 Subject: [PATCH] dtoverlays: Add IMX477 sensor overlay
   5
   6 Add an overlay for the Sony IMX477 CMOS sensor device.
   7 Also update overlay README and Makefile.
   8
   9 Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
  10 ---
  11  arch/arm/boot/dts/overlays/Makefile           |   1 +
  12  arch/arm/boot/dts/overlays/README             |   8 ++
  13  arch/arm/boot/dts/overlays/imx477-overlay.dts | 110 ++++++++++++++++++
  14  3 files changed, 119 insertions(+)
  15  create mode 100644 arch/arm/boot/dts/overlays/imx477-overlay.dts
  16
  17 --- a/arch/arm/boot/dts/overlays/Makefile
  18 +++ b/arch/arm/boot/dts/overlays/Makefile
  19 @@ -85,6 +85,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
  20         i2s-gpio28-31.dtbo \
  21         ilitek251x.dtbo \
  22         imx219.dtbo \
  23 +       imx477.dtbo \
  24         iqaudio-codec.dtbo \
  25         iqaudio-dac.dtbo \
  26         iqaudio-dacplus.dtbo \
  27 --- a/arch/arm/boot/dts/overlays/README
  28 +++ b/arch/arm/boot/dts/overlays/README
  29 @@ -1390,6 +1390,14 @@ Load:   dtoverlay=imx219
  30  Params: <None>
  31
  32
  33 +Name:   imx477
  34 +Info:   Sony IMX477 camera module.
  35 +        Uses Unicam 1, which is the standard camera connector on most Pi
  36 +        variants.
  37 +Load:   dtoverlay=imx477
  38 +Params: <None>
  39 +
  40 +
  41  Name:   iqaudio-codec
  42  Info:   Configures the IQaudio Codec audio card
  43  Load:   dtoverlay=iqaudio-codec
  44 --- /dev/null
  45 +++ b/arch/arm/boot/dts/overlays/imx477-overlay.dts
  46 @@ -0,0 +1,110 @@
  47 +// SPDX-License-Identifier: GPL-2.0-only
  48 +// Definitions for IMX477 camera module on VC I2C bus
  49 +/dts-v1/;
  50 +/plugin/;
  51 +
  52 +#include <dt-bindings/gpio/gpio.h>
  53 +
  54 +/{
  55 +       compatible = "brcm,bcm2835";
  56 +
  57 +       fragment@0 {
  58 +               target = <&i2c_csi_dsi>;
  59 +               __overlay__ {
  60 +                       #address-cells = <1>;
  61 +                       #size-cells = <0>;
  62 +                       status = "okay";
  63 +
  64 +                       imx477: imx477@1a {
  65 +                               compatible = "sony,imx477";
  66 +                               reg = <0x1a>;
  67 +                               status = "okay";
  68 +
  69 +                               clocks = <&imx477_clk>;
  70 +                               clock-names = "xclk";
  71 +
  72 +                               VANA-supply = <&imx477_vana>;   /* 2.8v */
  73 +                               VDIG-supply = <&imx477_vdig>;   /* 1.05v */
  74 +                               VDDL-supply = <&imx477_vddl>;   /* 1.8v */
  75 +
  76 +                               port {
  77 +                                       imx477_0: endpoint {
  78 +                                               remote-endpoint = <&csi1_ep>;
  79 +                                               clock-lanes = <0>;
  80 +                                               data-lanes = <1 2>;
  81 +                                               clock-noncontinuous;
  82 +                                               link-frequencies =
  83 +                                                       /bits/ 64 <450000000>;
  84 +                                       };
  85 +                               };
  86 +                       };
  87 +               };
  88 +       };
  89 +
  90 +       fragment@1 {
  91 +               target = <&csi1>;
  92 +               __overlay__ {
  93 +                       status = "okay";
  94 +
  95 +                       port {
  96 +                               csi1_ep: endpoint {
  97 +                                       remote-endpoint = <&imx477_0>;
  98 +                               };
  99 +                       };
 100 +               };
 101 +       };
 102 +
 103 +       fragment@2 {
 104 +               target = <&i2c0if>;
 105 +               __overlay__ {
 106 +                       status = "okay";
 107 +               };
 108 +       };
 109 +
 110 +       fragment@3 {
 111 +               target-path="/";
 112 +               __overlay__ {
 113 +                       imx477_vana: fixedregulator@0 {
 114 +                               compatible = "regulator-fixed";
 115 +                               regulator-name = "imx477_vana";
 116 +                               regulator-min-microvolt = <2800000>;
 117 +                               regulator-max-microvolt = <2800000>;
 118 +                               gpio = <&gpio 41 GPIO_ACTIVE_HIGH>;
 119 +                               enable-active-high;
 120 +                               startup-delay-us = <300000>;
 121 +                       };
 122 +                       imx477_vdig: fixedregulator@1 {
 123 +                               compatible = "regulator-fixed";
 124 +                               regulator-name = "imx477_vdig";
 125 +                               regulator-min-microvolt = <1050000>;
 126 +                               regulator-max-microvolt = <1050000>;
 127 +                       };
 128 +                       imx477_vddl: fixedregulator@2 {
 129 +                               compatible = "regulator-fixed";
 130 +                               regulator-name = "imx477_vddl";
 131 +                               regulator-min-microvolt = <1800000>;
 132 +                               regulator-max-microvolt = <1800000>;
 133 +                       };
 134 +                       imx477_clk: camera-clk {
 135 +                               compatible = "fixed-clock";
 136 +                               #clock-cells = <0>;
 137 +                               clock-frequency = <24000000>;
 138 +                       };
 139 +               };
 140 +       };
 141 +
 142 +       fragment@4 {
 143 +               target = <&i2c0mux>;
 144 +               __overlay__ {
 145 +                       status = "okay";
 146 +               };
 147 +       };
 148 +
 149 +       fragment@5 {
 150 +               target-path="/__overrides__";
 151 +               __overlay__ {
 152 +                       cam0-pwdn-ctrl = <&imx477_vana>,"gpio:0";
 153 +                       cam0-pwdn      = <&imx477_vana>,"gpio:4";
 154 +               };
 155 +       };
 156 +};