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author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-06-10 05:30:17 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-06-10 05:30:17 -0300 |
commit | d635711daa98be86d4c7fd01499c34f566b54ccb (patch) | |
tree | aa5cc3760a27c3d57146498cb82fa549547de06c /Documentation/devicetree/bindings/misc | |
parent | c91265cd0efb83778f015b4d4b1129bd2cfd075e (diff) |
Linux-libre 4.6.2-gnu
Diffstat (limited to 'Documentation/devicetree/bindings/misc')
-rw-r--r-- | Documentation/devicetree/bindings/misc/eeprom-93xx46.txt | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/misc/eeprom-93xx46.txt b/Documentation/devicetree/bindings/misc/eeprom-93xx46.txt new file mode 100644 index 000000000..a8ebb4621 --- /dev/null +++ b/Documentation/devicetree/bindings/misc/eeprom-93xx46.txt @@ -0,0 +1,25 @@ +EEPROMs (SPI) compatible with Microchip Technology 93xx46 family. + +Required properties: +- compatible : shall be one of: + "atmel,at93c46d" + "eeprom-93xx46" +- data-size : number of data bits per word (either 8 or 16) + +Optional properties: +- read-only : parameter-less property which disables writes to the EEPROM +- select-gpios : if present, specifies the GPIO that will be asserted prior to + each access to the EEPROM (e.g. for SPI bus multiplexing) + +Property rules described in Documentation/devicetree/bindings/spi/spi-bus.txt +apply. In particular, "reg" and "spi-max-frequency" properties must be given. + +Example: + eeprom@0 { + compatible = "eeprom-93xx46"; + reg = <0>; + spi-max-frequency = <1000000>; + spi-cs-high; + data-size = <8>; + select-gpios = <&gpio4 4 GPIO_ACTIVE_HIGH>; + }; |