diff options
| author | Bo Shen <voice.shen@atmel.com> | 2014-02-10 14:09:46 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2014-02-12 17:21:36 +0000 |
| commit | a69d0009aad51e16bf294d78a3b2e4fe655cf10f (patch) | |
| tree | 732f0acdaea5cd5558ef29889f99f8c3716be1e7 /Documentation/devicetree/bindings/misc | |
| parent | 048d4ff81f1cf26b3f3627a9a69d35aff7898bb3 (diff) | |
Binding: atmel-ssc: add option to choose clock
Add the option to choose clock on which pin input to SSC (as slave).
Default is on TK pin to SSC, add "atmel,clk-from-rk-pin" option to
specify the clock is on RK pin to SSC.
Signed-off-by: Bo Shen <voice.shen@atmel.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'Documentation/devicetree/bindings/misc')
| -rw-r--r-- | Documentation/devicetree/bindings/misc/atmel-ssc.txt | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/misc/atmel-ssc.txt b/Documentation/devicetree/bindings/misc/atmel-ssc.txt index 60960b2755f..efc98ea1f23 100644 --- a/Documentation/devicetree/bindings/misc/atmel-ssc.txt +++ b/Documentation/devicetree/bindings/misc/atmel-ssc.txt @@ -17,6 +17,14 @@ Required properties for devices compatible with "atmel,at91sam9g45-ssc": See Documentation/devicetree/bindings/dma/atmel-dma.txt for details. - dma-names: Must be "tx", "rx". +Optional properties: + - atmel,clk-from-rk-pin: bool property. + - When SSC works in slave mode, according to the hardware design, the + clock can get from TK pin, and also can get from RK pin. So, add + this parameter to choose where the clock from. + - By default the clock is from TK pin, if the clock from RK pin, this + property is needed. + Examples: - PDC transfer: ssc0: ssc@fffbc000 { |