Message ID | 1392012586-30790-3-git-send-email-voice.shen@atmel.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
On 10/02/2014 07:09, Bo Shen : > 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> > --- > Changes in v3: > - None > Series-changes: 2 > - using "-" replace "_" in binding document > > Documentation/devicetree/bindings/misc/atmel-ssc.txt | 8 ++++++++ > 1 file changed, 8 insertions(+) > > diff --git a/Documentation/devicetree/bindings/misc/atmel-ssc.txt b/Documentation/devicetree/bindings/misc/atmel-ssc.txt > index a45ae08..5c1e14e 100644 > --- a/Documentation/devicetree/bindings/misc/atmel-ssc.txt > +++ b/Documentation/devicetree/bindings/misc/atmel-ssc.txt > @@ -14,6 +14,14 @@ 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 { >
diff --git a/Documentation/devicetree/bindings/misc/atmel-ssc.txt b/Documentation/devicetree/bindings/misc/atmel-ssc.txt index a45ae08..5c1e14e 100644 --- a/Documentation/devicetree/bindings/misc/atmel-ssc.txt +++ b/Documentation/devicetree/bindings/misc/atmel-ssc.txt @@ -14,6 +14,14 @@ 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 {
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> --- Changes in v3: - None Series-changes: 2 - using "-" replace "_" in binding document Documentation/devicetree/bindings/misc/atmel-ssc.txt | 8 ++++++++ 1 file changed, 8 insertions(+)