target/linux/brcm2708/patches-4.14/950-0274-overlays-Add-ds1621-to-the-i2c-sensor-overlay.patch

   1 From 3c258618cbc0cddb7076b61a08755aa4f73d27db Mon Sep 17 00:00:00 2001
   2 From: Phil Elwell <phil@raspberrypi.org>
   3 Date: Sun, 15 Apr 2018 10:36:15 +0100
   4 Subject: [PATCH 274/454] overlays: Add ds1621 to the i2c-sensor overlay
   5
   6 The ds1621 enables the Dallas Semiconductors DS1621 temperature
   7 sensor.
   8
   9 See: https://github.com/raspberrypi/linux/issues/2509
  10
  11 Signed-off-by: Phil Elwell <phil@raspberrypi.org>
  12 ---
  13  arch/arm/boot/dts/overlays/README             | 15 +++++++++------
  14  .../boot/dts/overlays/i2c-sensor-overlay.dts  | 19 ++++++++++++++++++-
  15  2 files changed, 27 insertions(+), 7 deletions(-)
  16
  17 --- a/arch/arm/boot/dts/overlays/README
  18 +++ b/arch/arm/boot/dts/overlays/README
  19 @@ -821,8 +821,8 @@ Name:   i2c-sensor
  20  Info:   Adds support for a number of I2C barometric pressure and temperature
  21          sensors on i2c_arm
  22  Load:   dtoverlay=i2c-sensor,<param>=<val>
  23 -Params: addr                    Set the address for the BME280, BMP280, TMP102,
  24 -                                HDC100X, LM75 or SHT3x
  25 +Params: addr                    Set the address for the BME280, BMP280, DS1621,
  26 +                                HDC100X, LM75, SHT3x or TMP102
  27
  28          bme280                  Select the Bosch Sensortronic BME280
  29                                  Valid addresses 0x76-0x77, default 0x76
  30 @@ -834,6 +834,9 @@ Params: addr                    Set the
  31          bmp280                  Select the Bosch Sensortronic BMP280
  32                                  Valid addresses 0x76-0x77, default 0x76
  33
  34 +        ds1621                  Select the Dallas Semiconductors DS1621 temp
  35 +                                sensor. Valid addresses 0x48-9x4f, default 0x48
  36 +
  37          hdc100x                 Select the Texas Instruments HDC100x temp sensor
  38                                  Valid addresses 0x40-0x43, default 0x40
  39
  40 @@ -844,6 +847,10 @@ Params: addr                    Set the
  41
  42          lm75addr                Deprecated - use addr parameter instead
  43
  44 +        sht3x                   Select the Sensiron SHT3x temperature and
  45 +                                humidity sensor. Valid addresses 0x44-0x45,
  46 +                                default 0x44
  47 +
  48          si7020                  Select the Silicon Labs Si7013/20/21 humidity/
  49                                  temperature sensor
  50
  51 @@ -856,10 +863,6 @@ Params: addr                    Set the
  52          veml6070                Select the Vishay VEML6070 ultraviolet light
  53                                  sensor
  54
  55 -        sht3x                   Select the Sensiron SHT3x temperature and
  56 -                                humidity sensor. Valid addresses 0x44-0x45,
  57 -                                default 0x44
  58 -
  59
  60  Name:   i2c0-bcm2708
  61  Info:   Enable the i2c_bcm2708 driver for the i2c0 bus. Not all pin combinations
  62 --- a/arch/arm/boot/dts/overlays/i2c-sensor-overlay.dts
  63 +++ b/arch/arm/boot/dts/overlays/i2c-sensor-overlay.dts
  64 @@ -186,9 +186,25 @@
  65                 };
  66         };
  67
  68 +       fragment@12 {
  69 +               target = <&i2c_arm>;
  70 +               __dormant__ {
  71 +                       #address-cells = <1>;
  72 +                       #size-cells = <0>;
  73 +                       status = "okay";
  74 +
  75 +                       ds1621: ds1621@48 {
  76 +                               compatible = "ds1621";
  77 +                               reg = <0x48>;
  78 +                               status = "okay";
  79 +                       };
  80 +               };
  81 +       };
  82 +
  83         __overrides__ {
  84                 addr =  <&bme280>,"reg:0", <&bmp280>,"reg:0", <&tmp102>,"reg:0",
  85 -                       <&lm75>,"reg:0", <&hdc100x>,"reg:0", <&sht3x>,"reg:0";
  86 +                       <&lm75>,"reg:0", <&hdc100x>,"reg:0", <&sht3x>,"reg:0",
  87 +                       <&ds1621>,"reg:0";
  88                 bme280 = <0>,"+0";
  89                 bmp085 = <0>,"+1";
  90                 bmp180 = <0>,"+2";
  91 @@ -202,5 +218,6 @@
  92                 tsl4531 = <0>,"+9";
  93                 veml6070 = <0>,"+10";
  94                 sht3x = <0>,"+11";
  95 +               ds1621 = <0>,"+12";
  96         };
  97  };