test/overlay/test-fdt-overlay.dts

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright (c) 2016 NextThing Co
   4  * Copyright (c) 2016 Free Electrons
   5  */
   6
   7 /dts-v1/;
   8 /plugin/;
   9
  10 / {
  11         /* Test that we can change an int by another */
  12         fragment@0 {
  13                 target = <&test>;
  14
  15                 __overlay__ {
  16                         test-int-property = <43>;
  17                 };
  18         };
  19
  20         /* Test that we can replace a string by a longer one */
  21         fragment@1 {
  22                 target = <&test>;
  23
  24                 __overlay__ {
  25                         test-str-property = "foobar";
  26                 };
  27         };
  28
  29         /* Test that we add a new property */
  30         fragment@2 {
  31                 target = <&test>;
  32
  33                 __overlay__ {
  34                         test-str-property-2 = "foobar2";
  35                 };
  36         };
  37
  38         /* Test that we add a new node (by phandle) */
  39         fragment@3 {
  40                 target = <&test>;
  41
  42                 __overlay__ {
  43                         new-node {
  44                                 new-property;
  45                         };
  46                 };
  47         };
  48
  49         /* Test that we add a new node (by path) */
  50         fragment@4 {
  51                 target-path = "/";
  52
  53                 __overlay__ {
  54                         new-node {
  55                                 new-property;
  56                         };
  57                 };
  58         };
  59
  60         fragment@5 {
  61                 target-path = "/";
  62
  63                 __overlay__ {
  64                         local: new-local-node {
  65                                 new-property;
  66                         };
  67                 };
  68         };
  69
  70         fragment@6 {
  71                 target-path = "/";
  72
  73                 __overlay__ {
  74                         test-phandle = <&test>, <&local>;
  75                 };
  76         };
  77
  78         fragment@7 {
  79                 target-path = "/";
  80
  81                 __overlay__ {
  82                         test-several-phandle = <&local>, <&local>;
  83                 };
  84         };
  85
  86         fragment@8 {
  87                 target = <&test>;
  88
  89                 __overlay__ {
  90                         sub-test-node {
  91                                 new-sub-test-property;
  92                         };
  93                 };
  94         };
  95 };