Convert the PMEM device tree binding from text to YAML. This will allow device trees with pmem-region nodes to pass dtbs_check.
Signed-off-by: Drew Fustini <d...@pdp7.com> --- .../devicetree/bindings/pmem/pmem-region.yaml | 49 +++++++++++++++++++ MAINTAINERS | 2 +- 2 files changed, 50 insertions(+), 1 deletion(-) create mode 100644 Documentation/devicetree/bindings/pmem/pmem-region.yaml diff --git a/Documentation/devicetree/bindings/pmem/pmem-region.yaml b/Documentation/devicetree/bindings/pmem/pmem-region.yaml new file mode 100644 index 000000000000..a4aa4ce3318b --- /dev/null +++ b/Documentation/devicetree/bindings/pmem/pmem-region.yaml @@ -0,0 +1,49 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pmem-region.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +maintainers: + - Bjorn Helgaas <bhelg...@google.com> + - Oliver O'Halloran <ooh...@gmail.com> + +title: Persistent Memory Regions + +description: | + Persistent memory refers to a class of memory devices that are: + + a) Usable as main system memory (i.e. cacheable), and + b) Retain their contents across power failure. + + Given b) it is best to think of persistent memory as a kind of memory mapped + storage device. To ensure data integrity the operating system needs to manage + persistent regions separately to the normal memory pool. To aid with that this + binding provides a standardised interface for discovering where persistent + memory regions exist inside the physical address space. + +properties: + compatible: + const: pmem-region + + reg: + maxItems: 1 + + volatile: + description: | + Indicates the region is volatile (non-persistent) and the OS can skip + cache flushes for writes + type: boolean + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + pmem@5000 { + compatible = "pmem-region"; + reg = <0x00005000 0x00001000>; + }; diff --git a/MAINTAINERS b/MAINTAINERS index 96b827049501..68012219f3f7 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -13564,7 +13564,7 @@ M: Oliver O'Halloran <ooh...@gmail.com> L: nvd...@lists.linux.dev S: Supported Q: https://patchwork.kernel.org/project/linux-nvdimm/list/ -F: Documentation/devicetree/bindings/pmem/pmem-region.txt +F: Documentation/devicetree/bindings/pmem/pmem-region.yaml F: drivers/nvdimm/of_pmem.c LIBNVDIMM: NON-VOLATILE MEMORY DEVICE SUBSYSTEM -- 2.43.0
