diff options
| author | Lee Jones <lee.jones@linaro.org> | 2013-05-15 09:52:02 (GMT) |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2013-06-04 09:12:12 (GMT) |
| commit | 499c2bc3cc89dcbbf08aa526cd4a984b92a4d2a8 (patch) | |
| tree | d5b4680bd516dc3cb97d839f35dceb888e7a2c0b /Documentation | |
| parent | fd59f9e6abf2ebf0098c616e1742168db4360d13 (diff) | |
| download | linux-fsl-qoriq-499c2bc3cc89dcbbf08aa526cd4a984b92a4d2a8.tar.xz | |
dmaengine: ste_dma40: Fetch disabled channels from DT
Some platforms have channels which are not available for normal use.
This information is currently passed though platform data in internal
BSP kernels. Once those platforms land, they'll need to configure them
appropriately, so we may as well add the infrastructure.
Cc: Dan Williams <djbw@fb.com>
Cc: Per Forlin <per.forlin@stericsson.com>
Cc: Rabin Vincent <rabin@rab.in>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/dma/ste-dma40.txt | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/dma/ste-dma40.txt b/Documentation/devicetree/bindings/dma/ste-dma40.txt index aa272d8..bea5b73 100644 --- a/Documentation/devicetree/bindings/dma/ste-dma40.txt +++ b/Documentation/devicetree/bindings/dma/ste-dma40.txt @@ -11,6 +11,7 @@ Required properties: Optional properties: - dma-channels: Number of channels supported by hardware - if not present the driver will attempt to obtain the information from H/W +- disabled-channels: Channels which can not be used Example: @@ -23,6 +24,7 @@ Example: #dma-cells = <2>; memcpy-channels = <56 57 58 59 60>; + disabled-channels = <12>; dma-channels = <8>; }; |