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dt-bindings: nvmem: add description for UniPhier eFuse

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Add uniphier-efuse dt-bindings documentation.

Signed-off-by: Keiji Hayashibara <hayashibara.keiji@socionext.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Keiji Hayashibara 2017-10-24 10:54:25 +01:00 committed by Greg Kroah-Hartman
parent 17eb18d674
commit 2a96c818f4
1 changed files with 49 additions and 0 deletions
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49
Documentation/devicetree/bindings/nvmem/uniphier-efuse.txt Normal file
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= UniPhier eFuse device tree bindings =
This UniPhier eFuse must be under soc-glue.
Required properties:
- compatible: should be "socionext,uniphier-efuse"
- reg: should contain the register location and length
= Data cells =
Are child nodes of efuse, bindings of which as described in
bindings/nvmem/nvmem.txt
Example:
soc-glue@5f900000 {
compatible = "socionext,uniphier-ld20-soc-glue-debug",
"simple-mfd";
#address-cells = <1>;
#size-cells = <1>;
ranges = <0x0 0x5f900000 0x2000>;
efuse@100 {
compatible = "socionext,uniphier-efuse";
reg = <0x100 0x28>;
};
efuse@200 {
compatible = "socionext,uniphier-efuse";
reg = <0x200 0x68>;
#address-cells = <1>;
#size-cells = <1>;
/* Data cells */
usb_mon: usb-mon@54 {
reg = <0x54 0xc>;
};
};
};
= Data consumers =
Are device nodes which consume nvmem data cells.
Example:
usb {
...
nvmem-cells = <&usb_mon>;
nvmem-cell-names = "usb_mon";
}