target/linux/bcm27xx/patches-5.10/950-0621-overlays-add-bh1750-and-ccs811-to-i2c-sensor-4334.patch

   1 From fa6a21d6e2e8d5416ec9d2ca7841777aa0822796 Mon Sep 17 00:00:00 2001
   2 From: Mart Lubbers <mart@martlubbers.net>
   3 Date: Tue, 11 May 2021 11:51:35 +0200
   4 Subject: [PATCH] overlays: add bh1750 and ccs811 to i2c-sensor (#4334)
   5
   6 See: https://github.com/raspberrypi/linux/pull/4334
   7 ---
   8  arch/arm/boot/dts/overlays/README             | 15 +++++---
   9  .../boot/dts/overlays/i2c-sensor-overlay.dts  | 35 ++++++++++++++++++-
  10  2 files changed, 45 insertions(+), 5 deletions(-)
  11
  12 --- a/arch/arm/boot/dts/overlays/README
  13 +++ b/arch/arm/boot/dts/overlays/README
  14 @@ -1482,11 +1482,15 @@ Params: abx80x                  Select o
  15
  16
  17  Name:   i2c-sensor
  18 -Info:   Adds support for a number of I2C barometric pressure and temperature
  19 -        sensors on i2c_arm
  20 +Info:   Adds support for a number of I2C barometric pressure, temperature,
  21 +        light level and chemical sensors on i2c_arm
  22  Load:   dtoverlay=i2c-sensor,<param>=<val>
  23 -Params: addr                    Set the address for the BME280, BME680, BMP280,
  24 -                                DS1621, HDC100X, LM75, SHT3x or TMP102
  25 +Params: addr                    Set the address for the BH1750, BME280, BME680,
  26 +                                BMP280, CCS811, DS1621, HDC100X, LM75, SHT3x or
  27 +                                TMP102
  28 +
  29 +        bh1750                  Select the Rohm BH1750 ambient light sensor
  30 +                                Valid addresses 0x23 or 0x5c, default 0x23
  31
  32          bme280                  Select the Bosch Sensortronic BME280
  33                                  Valid addresses 0x76-0x77, default 0x76
  34 @@ -1501,6 +1505,9 @@ Params: addr                    Set the
  35          bmp280                  Select the Bosch Sensortronic BMP280
  36                                  Valid addresses 0x76-0x77, default 0x76
  37
  38 +        ccs811                  Select the AMS CCS811 digital gas sensor
  39 +                                Valid addresses 0x5a-0x5b, default 0x5b
  40 +
  41          ds1621                  Select the Dallas Semiconductors DS1621 temp
  42                                  sensor. Valid addresses 0x48-0x4f, default 0x48
  43
  44 --- a/arch/arm/boot/dts/overlays/i2c-sensor-overlay.dts
  45 +++ b/arch/arm/boot/dts/overlays/i2c-sensor-overlay.dts
  46 @@ -261,10 +261,41 @@
  47                 };
  48         };
  49
  50 +       fragment@17 {
  51 +               target = <&i2c_arm>;
  52 +               __dormant__ {
  53 +                       #address-cells = <1>;
  54 +                       #size-cells = <0>;
  55 +                       status = "okay";
  56 +
  57 +                       ccs811: ccs811@5b {
  58 +                               compatible = "ccs811";
  59 +                               reg = <0x5b>;
  60 +                               status = "okay";
  61 +                       };
  62 +               };
  63 +       };
  64 +
  65 +       fragment@18 {
  66 +               target = <&i2c_arm>;
  67 +               __dormant__ {
  68 +                       #address-cells = <1>;
  69 +                       #size-cells = <0>;
  70 +                       status = "okay";
  71 +
  72 +                       bh1750: bh1750@23 {
  73 +                               compatible = "bh1750";
  74 +                               reg = <0x23>;
  75 +                               status = "okay";
  76 +                       };
  77 +               };
  78 +       };
  79 +
  80         __overrides__ {
  81                 addr =  <&bme280>,"reg:0", <&bmp280>,"reg:0", <&tmp102>,"reg:0",
  82                         <&lm75>,"reg:0", <&hdc100x>,"reg:0", <&sht3x>,"reg:0",
  83 -                       <&ds1621>,"reg:0", <&bme680>,"reg:0";
  84 +                       <&ds1621>,"reg:0", <&bme680>,"reg:0", <&ccs811>,"reg:0",
  85 +                       <&bh1750>,"reg:0";
  86                 bme280 = <0>,"+0";
  87                 bmp085 = <0>,"+1";
  88                 bmp180 = <0>,"+2";
  89 @@ -283,5 +314,7 @@
  90                 bme680 = <0>,"+14";
  91                 sps30 = <0>,"+15";
  92                 sgp30 = <0>,"+16";
  93 +               ccs811 = <0>, "+17";
  94 +               bh1750 = <0>, "+18";
  95         };
  96  };