From: Rafał Miłecki <rafal@xxxxxxxxxx> NVMEM on some devices can be accessed using I/O mapping. For example on Broadcom MIPS and ARM Northstar platforms NVRAM can be accessed that way. Signed-off-by: Rafał Miłecki <rafal@xxxxxxxxxx> --- .../devicetree/bindings/nvmem/iomap.yaml | 29 +++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 Documentation/devicetree/bindings/nvmem/iomap.yaml diff --git a/Documentation/devicetree/bindings/nvmem/iomap.yaml b/Documentation/devicetree/bindings/nvmem/iomap.yaml new file mode 100644 index 000000000000..ec8764598061 --- /dev/null +++ b/Documentation/devicetree/bindings/nvmem/iomap.yaml @@ -0,0 +1,29 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/nvmem/iomap.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: I/O mapped NVMEM + +maintainers: + - Rafał Miłecki <rafal@xxxxxxxxxx> + +allOf: + - $ref: "nvmem.yaml#" + +properties: + compatible: + items: + - enum: + - brcm,nvram + - const: nvmem-iomap + +unevaluatedProperties: false + +examples: + - | + nvram@1eff0000 { + compatible = "brcm,nvram", "nvmem-iomap"; + reg = <0x1eff0000 0x10000>; + }; -- 2.26.2
