target/linux/bcm27xx/patches-6.1/950-0448-overlays-i2c-sensor-Add-mcp980x-support.patch

   1 From 4fdc12dae89db7fd02bfbef1a15a0b78263a7764 Mon Sep 17 00:00:00 2001
   2 From: Phil Elwell <phil@raspberrypi.com>
   3 Date: Tue, 1 Nov 2022 08:47:21 +0000
   4 Subject: [PATCH] overlays: i2c-sensor: Add mcp980x support
   5
   6 See: https://github.com/raspberrypi/linux/issues/5234
   7
   8 Signed-off-by: Phil Elwell <phil@raspberrypi.com>
   9 ---
  10  arch/arm/boot/dts/overlays/README               |  4 ++++
  11  .../boot/dts/overlays/i2c-sensor-common.dtsi    | 17 ++++++++++++++++-
  12  2 files changed, 20 insertions(+), 1 deletion(-)
  13
  14 --- a/arch/arm/boot/dts/overlays/README
  15 +++ b/arch/arm/boot/dts/overlays/README
  16 @@ -1981,6 +1981,10 @@ Params: addr                    Set the
  17          max30102                Select the Maxim Integrated MAX30102 heart-rate
  18                                  and blood-oxygen sensor
  19
  20 +        mcp980x                 Select the Maxim MCP980x range of temperature
  21 +                                sensors (e.g. MCP9808).
  22 +                                Valid addresses are 0x18-0x1f (default 0x18)
  23 +
  24          sht3x                   Select the Sensiron SHT3x temperature and
  25                                  humidity sensor. Valid addresses 0x44-0x45,
  26                                  default 0x44
  27 --- a/arch/arm/boot/dts/overlays/i2c-sensor-common.dtsi
  28 +++ b/arch/arm/boot/dts/overlays/i2c-sensor-common.dtsi
  29 @@ -323,6 +323,20 @@
  30                 };
  31         };
  32
  33 +       fragment@21 {
  34 +               target = <&i2cbus>;
  35 +               __dormant__ {
  36 +                       #address-cells = <1>;
  37 +                       #size-cells = <0>;
  38 +                       status = "okay";
  39 +
  40 +                       mcp980x: mcp980x@18 {
  41 +                               compatible = "maxim,mcp980x";
  42 +                               reg = <0x18>;
  43 +                       };
  44 +               };
  45 +       };
  46 +
  47         __overrides__ {
  48                 bme280 = <0>,"+0";
  49                 bmp085 = <0>,"+1";
  50 @@ -346,11 +360,12 @@
  51                 bh1750 = <0>, "+18";
  52                 max30102 = <0>,"+19";
  53                 aht10 = <0>,"+20";
  54 +               mcp980x = <0>,"+21";
  55
  56                 addr =  <&bme280>,"reg:0", <&bmp280>,"reg:0", <&tmp102>,"reg:0",
  57                         <&lm75>,"reg:0", <&hdc100x>,"reg:0", <&sht3x>,"reg:0",
  58                         <&ds1621>,"reg:0", <&bme680>,"reg:0", <&ccs811>,"reg:0",
  59 -                       <&bh1750>,"reg:0";
  60 +                       <&bh1750>,"reg:0", <&mcp980x>,"reg:0";
  61                 int_pin = <&max30102>, "interrupts:0";
  62         };
  63  };