[tobetter:odroid-6.1.y 87/91] arch/arm64/boot/dts/rockchip/overlays/odroidm1s/display_vu5s.dts:61.15-66.5: Warning (unit_address_vs_reg): /fragment@3/__overlay__: node has a reg or ranges property, but no unit name

[kernel test robot <lkp@intel.com>]

tree:   https://github.com/tobetter/linux odroid-6.1.y
head:   a50c6922e2b4c1d7c895bde521d13096ba16a863
commit: b3726159d0e7eb27996b0dc0c4f5fccd182a6b25 [87/91] ODROID-M1S: dtb/dtbo: add device tree for ODROID-Vu5S
config: arm64-allnoconfig (https://download.01.org/0day-ci/archive/20240615/202406150336.gT7VC5da-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240615/202406150336.gT7VC5da-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202406150336.gT7VC5da-lkp@intel.com/

dtcheck warnings: (new ones prefixed by >>)
>> arch/arm64/boot/dts/rockchip/overlays/odroidm1s/display_vu5s.dts:61.15-66.5: Warning (unit_address_vs_reg): /fragment@3/__overlay__: node has a reg or ranges property, but no unit name

vim +61 arch/arm64/boot/dts/rockchip/overlays/odroidm1s/display_vu5s.dts

    10	
    11	/{
    12		fragment@0 {
    13			target = <&backlight>;
    14	
    15			__overlay__ {
    16				status = "okay";
    17				brightness-levels = <
    18					1   2   3   4   5   6   7   8
    19					9   10  11  12  13  14  15  16
    20					17  18  19  20  21  22  23  24
    21					25  26  27  28  29  30  31  32
    22					33  34  35  36  37  38  39  40
    23					41  42  43  44  45  46  47  48
    24					49  50  51  52  53  54  55  56
    25					57  58  59  60  61  62  63  64
    26					65  66  67  68  69  70  71  72
    27					73  74  75  76  77  78  79  80
    28					81  82  83  84  85  86  87  88
    29					89  90  91  92  93  94  95  96
    30					97  98  99  100 101 102 103 104
    31					105 106 107 108 109 110 111 112
    32					113 114 115 116 117 118 119 120
    33					121 122 123 124 125 126 127 128
    34					>;
    35				default-brightness-level = <64>;
    36			};
    37		};
    38	
    39		fragment@1 {
    40			target = <&pwm4>;
    41	
    42			__overlay__ {
    43				status = "okay";
    44			};
    45		};
    46	
    47		fragment@2 {
    48			target = <&i2c2>;
    49	
    50			__overlay__ {
    51				status = "okay";
    52			};
    53		};
    54	
    55		fragment@3 {
    56			target = <&touchscreen>;
    57	
    58			#address-cells = <1>;
    59			#size-cells = <0>;
    60	
  > 61			__overlay__ {

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https://github.com/intel/lkp-tests/wiki