target/linux/brcm2708/patches-4.19/950-0371-overlays-Add-PiGlow-overlay.patch

   1 From 615467f56356a2054d3a86854d391b7a2e0d5811 Mon Sep 17 00:00:00 2001
   2 From: Stefan Wahren <wahrenst@gmx.net>
   3 Date: Mon, 29 Apr 2019 19:35:33 +0200
   4 Subject: [PATCH] overlays: Add PiGlow overlay
   5
   6 The PiGlow is a small add-on board for the Raspberry Pi that provides
   7 18 individually controllable LEDs (SN3218) and uses the following pins:
   8
   9 P1 & P17 (3V3)
  10 P2 (5V)
  11 P3 (SDA)
  12 P5 (SCL)
  13 P14 (GND)
  14
  15 Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
  16 ---
  17  arch/arm/boot/dts/overlays/Makefile           |  1 +
  18  arch/arm/boot/dts/overlays/README             |  6 ++
  19  arch/arm/boot/dts/overlays/piglow-overlay.dts | 97 +++++++++++++++++++
  20  3 files changed, 104 insertions(+)
  21  create mode 100644 arch/arm/boot/dts/overlays/piglow-overlay.dts
  22
  23 --- a/arch/arm/boot/dts/overlays/Makefile
  24 +++ b/arch/arm/boot/dts/overlays/Makefile
  25 @@ -97,6 +97,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
  26         pi3-disable-wifi.dtbo \
  27         pi3-miniuart-bt.dtbo \
  28         pibell.dtbo \
  29 +       piglow.dtbo \
  30         piscreen.dtbo \
  31         piscreen2r.dtbo \
  32         pisound.dtbo \
  33 --- a/arch/arm/boot/dts/overlays/README
  34 +++ b/arch/arm/boot/dts/overlays/README
  35 @@ -1532,6 +1532,12 @@ Params: alsaname                Set the
  36                                  "PiBell")
  37
  38
  39 +Name:   piglow
  40 +Info:   Configures the PiGlow by pimoroni.com
  41 +Load:   dtoverlay=piglow
  42 +Params: <None>
  43 +
  44 +
  45  Name:   piscreen
  46  Info:   PiScreen display by OzzMaker.com
  47  Load:   dtoverlay=piscreen,<param>=<val>
  48 --- /dev/null
  49 +++ b/arch/arm/boot/dts/overlays/piglow-overlay.dts
  50 @@ -0,0 +1,97 @@
  51 +// Definitions for SN3218 LED driver from Si-En Technology on PiGlow
  52 +/dts-v1/;
  53 +/plugin/;
  54 +
  55 +/ {
  56 +       compatible = "brcm,bcm2708";
  57 +
  58 +       fragment@0 {
  59 +               target = <&i2c_arm>;
  60 +               __overlay__ {
  61 +                       #address-cells = <1>;
  62 +                       #size-cells = <0>;
  63 +                       status = "okay";
  64 +
  65 +                       sn3218@54 {
  66 +                               compatible = "si-en,sn3218";
  67 +                               reg = <0x54>;
  68 +                               #address-cells = <1>;
  69 +                               #size-cells = <0>;
  70 +                               status = "okay";
  71 +
  72 +                               led@1 {
  73 +                                       reg = <1>;
  74 +                                       label = "piglow:red:led1";
  75 +                               };
  76 +                               led@2 {
  77 +                                       reg = <2>;
  78 +                                       label = "piglow:orange:led2";
  79 +                               };
  80 +                               led@3 {
  81 +                                       reg = <3>;
  82 +                                       label = "piglow:yellow:led3";
  83 +                               };
  84 +                               led@4 {
  85 +                                       reg = <4>;
  86 +                                       label = "piglow:green:led4";
  87 +                               };
  88 +                               led@5 {
  89 +                                       reg = <5>;
  90 +                                       label = "piglow:blue:led5";
  91 +                               };
  92 +                               led@6 {
  93 +                                       reg = <6>;
  94 +                                       label = "piglow:green:led6";
  95 +                               };
  96 +                               led@7 {
  97 +                                       reg = <7>;
  98 +                                       label = "piglow:red:led7";
  99 +                               };
 100 +                               led@8 {
 101 +                                       reg = <8>;
 102 +                                       label = "piglow:orange:led8";
 103 +                               };
 104 +                               led@9 {
 105 +                                       reg = <9>;
 106 +                                       label = "piglow:yellow:led9";
 107 +                               };
 108 +                               led@10 {
 109 +                                       reg = <10>;
 110 +                                       label = "piglow:white:led10";
 111 +                               };
 112 +                               led@11 {
 113 +                                       reg = <11>;
 114 +                                       label = "piglow:white:led11";
 115 +                               };
 116 +                               led@12 {
 117 +                                       reg = <12>;
 118 +                                       label = "piglow:blue:led12";
 119 +                               };
 120 +                               led@13 {
 121 +                                       reg = <13>;
 122 +                                       label = "piglow:white:led13";
 123 +                               };
 124 +                               led@14 {
 125 +                                       reg = <14>;
 126 +                                       label = "piglow:green:led14";
 127 +                               };
 128 +                               led@15 {
 129 +                                       reg = <15>;
 130 +                                       label = "piglow:blue:led15";
 131 +                               };
 132 +                               led@16 {
 133 +                                       reg = <16>;
 134 +                                       label = "piglow:yellow:led16";
 135 +                               };
 136 +                               led@17 {
 137 +                                       reg = <17>;
 138 +                                       label = "piglow:orange:led17";
 139 +                               };
 140 +                               led@18 {
 141 +                                       reg = <18>;
 142 +                                       label = "piglow:red:led18";
 143 +                               };
 144 +                       };
 145 +               };
 146 +       };
 147 +};