arch/powerpc/boot/dts/microwatt.dtb: ibm,powerpc-cpu-features (ibm,powerpc-cpu-features): isa: b'\x00\x00\x0c\x1c' is not of type 'object', 'integer', 'array', 'boolean', 'null'

arch/powerpc/boot/dts/microwatt.dtb: ibm,powerpc-cpu-features (ibm,powerpc-cpu-features): isa: b'\x00\x00\x0c\x1c' is not of type 'object', 'integer', 'array', 'boolean', 'null'

[kernel test robot]

:::::: 
:::::: Manual check reason: "dtcheck: too old problem, older than 3 months"
:::::: 

BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
CC: linux-kernel@vger.kernel.org
TO: Paul Mackerras <paulus@ozlabs.org>
CC: Madhavan Srinivasan <maddy@linux.ibm.com>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   3d6d817622b0a9721e3cc404df3469171582be13
commit: 7b7b08b508bdbc1c601fd60dd90ca6087609c253 powerpc/microwatt: Correct ISA version number in device tree
date:   1 year, 2 months ago
:::::: branch date: 28 hours ago
:::::: commit date: 1 year, 2 months ago
config: powerpc-randconfig-2051-20260813 (https://download.01.org/0day-ci/archive/20260813/202608132132.5TcjOUaO-lkp@intel.com/config)
compiler: clang version 24.0.0git (https://github.com/llvm/llvm-project 5ca6f7e1bb9eeef5ce8d474569274822b319cf4f)
dtschema: 2026.7.dev15+g01b5073ab
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260813/202608132132.5TcjOUaO-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
| Fixes: 7b7b08b508bd ("powerpc/microwatt: Correct ISA version number in device tree")
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/r/202608132132.5TcjOUaO-lkp@intel.com/

dtcheck warnings: (new ones prefixed by >>)
   arch/powerpc/boot/dts/microwatt.dts:223.27-233.5: Warning (simple_bus_reg): /soc@c0000000/ethernet@8020000: simple-bus unit address format error, expected "8021000"
   arch/powerpc/boot/dts/microwatt.dts:235.15-246.5: Warning (simple_bus_reg): /soc@c0000000/mmc@8040000: simple-bus unit address format error, expected "8042800"
   arch/powerpc/boot/dts/microwatt.dtb: /: failed to match any schema with compatible: ['microwatt-soc']
   arch/powerpc/boot/dts/microwatt.dtb: /cpus/ibm,powerpc-cpu-features: failed to match any schema with compatible: ['ibm,powerpc-cpu-features']
   arch/powerpc/boot/dts/microwatt.dtb: ibm,powerpc-cpu-features (ibm,powerpc-cpu-features): display-name: b'Microwatt\x00' is not of type 'object', 'integer', 'array', 'boolean', 'null'
   	from schema $id: http://devicetree.org/schemas/dt-core.yaml
>> arch/powerpc/boot/dts/microwatt.dtb: ibm,powerpc-cpu-features (ibm,powerpc-cpu-features): isa: b'\x00\x00\x0c\x1c' is not of type 'object', 'integer', 'array', 'boolean', 'null'
   	from schema $id: http://devicetree.org/schemas/dt-core.yaml
   arch/powerpc/boot/dts/microwatt.dtb: ibm,powerpc-cpu-features (ibm,powerpc-cpu-features): 'reg' is a dependency of 'little-endian'
   	from schema $id: http://devicetree.org/schemas/reg.yaml
   arch/powerpc/boot/dts/microwatt.dtb: ibm,powerpc-cpu-features (ibm,powerpc-cpu-features): little-endian: 'oneOf' conditional failed, one must be fixed:
   	True was expected
   	{'isa': b'\x00\x00\x00\x00', 'usable-privilege': b'\x00\x00\x00\x07', 'os-support': b'\x00\x00\x00\x00', 'hwcap-bit-nr': b'\x00\x00\x00\x01'} is not of type 'boolean'
   	{'isa': b'\x00\x00\x00\x00', 'usable-privilege': b'\x00\x00\x00\x07', 'os-support': b'\x00\x00\x00\x00', 'hwcap-bit-nr': b'\x00\x00\x00\x01'} is not of type 'null'
   	from schema $id: http://devicetree.org/schemas/reg.yaml
   arch/powerpc/boot/dts/microwatt.dtb: mmu-radix: isa: b'\x00\x00\x0b\xb8' is not of type 'object', 'integer', 'array', 'boolean', 'null'
   	from schema $id: http://devicetree.org/schemas/dt-core.yaml

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