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author | Keiji Hayashibara <hayashibara.keiji@socionext.com> | 2017-10-24 12:54:25 +0300 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-11-08 16:19:05 +0300 |
commit | 2a96c818f484bcc16f42a09b030a470f2b44df04 (patch) | |
tree | 33189280e47379bd590a8aa884e40a43edb29b6f /Documentation/devicetree/bindings/nvmem | |
parent | 17eb18d674d586e609a3e268975edd728d5c84a3 (diff) | |
download | linux-2a96c818f484bcc16f42a09b030a470f2b44df04.tar.xz |
dt-bindings: nvmem: add description for UniPhier eFuse
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>
Diffstat (limited to 'Documentation/devicetree/bindings/nvmem')
-rw-r--r-- | Documentation/devicetree/bindings/nvmem/uniphier-efuse.txt | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/nvmem/uniphier-efuse.txt b/Documentation/devicetree/bindings/nvmem/uniphier-efuse.txt new file mode 100644 index 000000000000..eccf490d5a6d --- /dev/null +++ b/Documentation/devicetree/bindings/nvmem/uniphier-efuse.txt @@ -0,0 +1,49 @@ += 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"; + } |