target/linux/brcm2708/patches-3.18/0069-Fix-the-activity-LED-in-DT-mode.patch

   1 From 31b85ba13aa394c98f2d6955b55f3f9a0623c14d Mon Sep 17 00:00:00 2001
   2 From: Phil Elwell <phil@raspberrypi.org>
   3 Date: Tue, 6 Jan 2015 12:06:55 +0000
   4 Subject: [PATCH 069/114] Fix the activity LED in DT mode
   5
   6 Add a "leds" node to the base DTBs, and a subnode for the activity
   7 LED. You can change the LED function like this:
   8
   9   dtparam=act_led_trigger=heartbeat
  10
  11 Add aliases for the other main nodes (soc, intc).
  12
  13 Issue: linux #757
  14 ---
  15  arch/arm/boot/dts/bcm2708-rpi-b-plus.dts | 18 ++++++++++++++----
  16  arch/arm/boot/dts/bcm2708-rpi-b.dts      | 18 ++++++++++++++----
  17  arch/arm/boot/dts/bcm2708.dtsi           | 11 ++++++++++-
  18  3 files changed, 38 insertions(+), 9 deletions(-)
  19
  20 diff --git a/arch/arm/boot/dts/bcm2708-rpi-b-plus.dts b/arch/arm/boot/dts/bcm2708-rpi-b-plus.dts
  21 index d9886c3..95f03ba 100644
  22 --- a/arch/arm/boot/dts/bcm2708-rpi-b-plus.dts
  23 +++ b/arch/arm/boot/dts/bcm2708-rpi-b-plus.dts
  24 @@ -7,11 +7,14 @@
  25         model = "Raspberry Pi Model B+";
  26
  27         aliases {
  28 +               soc = &soc;
  29                 spi0 = &spi0;
  30                 i2c0 = &i2c0;
  31                 i2c1 = &i2c1;
  32                 i2s  = &i2s;
  33                 gpio = &gpio;
  34 +               intc = &intc;
  35 +               leds = &leds;
  36                 sound = &sound;
  37         };
  38
  39 @@ -80,12 +83,19 @@
  40         pinctrl-0 = <&i2s_pins>;
  41  };
  42
  43 +&act_led {
  44 +       gpios = <&gpio 47 0>;
  45 +};
  46
  47  / {
  48         __overrides__ {
  49 -                   i2s = <&i2s>,"status";
  50 -                   spi = <&spi0>,"status";
  51 -                   i2c0 = <&i2c0>,"status";
  52 -                   i2c1 = <&i2c1>,"status";
  53 +               i2s = <&i2s>,"status";
  54 +               spi = <&spi0>,"status";
  55 +               i2c0 = <&i2c0>,"status";
  56 +               i2c1 = <&i2c1>,"status";
  57 +
  58 +               act_led_gpio = <&act_led>,"gpios:4";
  59 +               act_led_activelow = <&act_led>,"gpios:8";
  60 +               act_led_trigger = <&act_led>,"linux,default-trigger";
  61         };
  62  };
  63 diff --git a/arch/arm/boot/dts/bcm2708-rpi-b.dts b/arch/arm/boot/dts/bcm2708-rpi-b.dts
  64 index 167b22b..0631f45 100644
  65 --- a/arch/arm/boot/dts/bcm2708-rpi-b.dts
  66 +++ b/arch/arm/boot/dts/bcm2708-rpi-b.dts
  67 @@ -7,11 +7,14 @@
  68         model = "Raspberry Pi Model B";
  69
  70         aliases {
  71 +               soc = &soc;
  72                 spi0 = &spi0;
  73                 i2c0 = &i2c0;
  74                 i2c1 = &i2c1;
  75                 i2s  = &i2s;
  76                 gpio = &gpio;
  77 +               intc = &intc;
  78 +               leds = &leds;
  79                 sound = &sound;
  80         };
  81
  82 @@ -80,12 +83,19 @@
  83         pinctrl-0 = <&i2s_pins>;
  84  };
  85
  86 +&act_led {
  87 +       gpios = <&gpio 16 1>;
  88 +};
  89
  90  / {
  91         __overrides__ {
  92 -                   i2s = <&i2s>,"status";
  93 -                   spi = <&spi0>,"status";
  94 -                   i2c0 = <&i2c0>,"status";
  95 -                   i2c1 = <&i2c1>,"status";
  96 +               i2s = <&i2s>,"status";
  97 +               spi = <&spi0>,"status";
  98 +               i2c0 = <&i2c0>,"status";
  99 +               i2c1 = <&i2c1>,"status";
 100 +
 101 +               act_led_gpio = <&act_led>,"gpios:4";
 102 +               act_led_activelow = <&act_led>,"gpios:8";
 103 +               act_led_trigger = <&act_led>,"linux,default-trigger";
 104         };
 105  };
 106 diff --git a/arch/arm/boot/dts/bcm2708.dtsi b/arch/arm/boot/dts/bcm2708.dtsi
 107 index 6b36128..1b56cb5 100644
 108 --- a/arch/arm/boot/dts/bcm2708.dtsi
 109 +++ b/arch/arm/boot/dts/bcm2708.dtsi
 110 @@ -11,7 +11,7 @@
 111                 bootargs = "";
 112         };
 113
 114 -       soc {
 115 +       soc: soc {
 116                 compatible = "simple-bus";
 117                 #address-cells = <1>;
 118                 #size-cells = <1>;
 119 @@ -76,6 +76,15 @@
 120                         #size-cells = <0>;
 121                         status = "disabled";
 122                 };
 123 +
 124 +               leds: leds {
 125 +                       compatible = "gpio-leds";
 126 +
 127 +                       act_led: act {
 128 +                               label = "ACT";
 129 +                               linux,default-trigger = "mmc0";
 130 +                       };
 131 +               };
 132         };
 133
 134         clocks {
 135 --
 136 1.8.3.2
 137