target/linux/brcm2708/patches-4.4/0214-BCM270X_DT-Add-DS1339-to-i2c-rtc-overlay.patch

   1 From 679482c3c45177399648d096b7336ba3b1894126 Mon Sep 17 00:00:00 2001
   2 From: Nicolas Boullis <nboullis@debian.org>
   3 Date: Wed, 23 Mar 2016 23:40:15 +0100
   4 Subject: [PATCH 214/381] BCM270X_DT: Add DS1339 to i2c-rtc overlay
   5
   6 ---
   7  arch/arm/boot/dts/overlays/README              | 4 ++++
   8  arch/arm/boot/dts/overlays/i2c-rtc-overlay.dts | 8 ++++++++
   9  2 files changed, 12 insertions(+)
  10
  11 --- a/arch/arm/boot/dts/overlays/README
  12 +++ b/arch/arm/boot/dts/overlays/README
  13 @@ -371,6 +371,8 @@ Info:   Adds support for a number of I2C
  14  Load:   dtoverlay=i2c-rtc,<param>=<val>
  15  Params: ds1307                  Select the DS1307 device
  16
  17 +        ds1339                  Select the DS1339 device
  18 +
  19          ds3231                  Select the DS3231 device
  20
  21          mcp7941x                Select the MCP7941x device
  22 @@ -381,6 +383,8 @@ Params: ds1307                  Select t
  23
  24          pcf8563                 Select the PCF8563 device
  25
  26 +        trickle-resistor-ohms   Resistor value for trickle charge (DS1339-only)
  27 +
  28
  29  Name:   i2c0-bcm2708
  30  Info:   Enable the i2c_bcm2708 driver for the i2c0 bus
  31 --- a/arch/arm/boot/dts/overlays/i2c-rtc-overlay.dts
  32 +++ b/arch/arm/boot/dts/overlays/i2c-rtc-overlay.dts
  33 @@ -17,6 +17,12 @@
  34                                 reg = <0x68>;
  35                                 status = "disable";
  36                         };
  37 +                       ds1339: ds1339@68 {
  38 +                               compatible = "dallas,ds1339";
  39 +                               trickle-resistor-ohms = <0>;
  40 +                               reg = <0x68>;
  41 +                               status = "disable";
  42 +                       };
  43                         mcp7941x: mcp7941x@6f {
  44                                 compatible = "microchip,mcp7941x";
  45                                 reg = <0x6f>;
  46 @@ -46,10 +52,12 @@
  47         };
  48         __overrides__ {
  49                 ds1307 = <&ds1307>,"status";
  50 +               ds1339 = <&ds1339>,"status";
  51                 ds3231 = <&ds3231>,"status";
  52                 mcp7941x = <&mcp7941x>,"status";
  53                 pcf2127 = <&pcf2127>,"status";
  54                 pcf8523 = <&pcf8523>,"status";
  55                 pcf8563 = <&pcf8563>,"status";
  56 +               trickle-resistor-ohms = <&ds1339>,"trickle-resistor-ohms:0";
  57         };
  58  };