diff options
| author |   Mark Brown <broonie@kernel.org> | 2016-03-05 21:30:29 +0900 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2016-03-05 21:30:29 +0900 |
| commit | 781aab8457610d0b4d60cd85bb22e609941be721 (patch) | |
| tree | 48e5454bd303417dd8fe7d2c75f9b3f481f3fca1 /Documentation/devicetree | |
| parent | Merge remote-tracking branch 'regmap/fix/raw' into regmap-linus (diff) | |
| parent | Merge branch 'fix/mmio' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap into regmap-mmio (diff) | |
| download | linux-dev-781aab8457610d0b4d60cd85bb22e609941be721.tar.xz linux-dev-781aab8457610d0b4d60cd85bb22e609941be721.zip | |
Merge remote-tracking branch 'regmap/topic/mmio' into regmap-next
Diffstat (limited to 'Documentation/devicetree')
| -rw-r--r-- | Documentation/devicetree/bindings/regmap/regmap.txt | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/Documentation/devicetree/bindings/regmap/regmap.txt b/Documentation/devicetree/bindings/regmap/regmap.txt index b494f8b8ef72..e98a9652ccc8 100644 --- a/Documentation/devicetree/bindings/regmap/regmap.txt +++ b/Documentation/devicetree/bindings/regmap/regmap.txt @@ -5,15 +5,18 @@ Index Device Endianness properties --------------------------------------------------- 1 BE 'big-endian' 2 LE 'little-endian' +3 Native 'native-endian' For one device driver, which will run in different scenarios above on different SoCs using the devicetree, we need one way to simplify this. -Required properties: -- {big,little}-endian: these are boolean properties, if absent - meaning that the CPU and the Device are in the same endianness mode, - these properties are for register values and all the buffers only. +Optional properties: +- {big,little,native}-endian: these are boolean properties, if absent + then the implementation will choose a default based on the device + being controlled. These properties are for register values and all + the buffers only. Native endian means that the CPU and device have + the same endianness. Examples: Scenario 1 : CPU in LE mode & device in LE mode. |