On 05/25/2015 12:33 AM, Barry Song wrote: > 2015-05-23 6:44 GMT+08:00 Suman Anna <[email protected]>: >> Hi Barry, >> >> On 05/19/2015 01:41 AM, Barry Song wrote: >>> From: Wei Chen <[email protected]> >>> >>> The Hardware Spinlock device on atlas7 provides hardware assistance >>> for synchronization between the multiple processors in the system >>> (dual Cortex-A7, CAN bus Cortex-M3 and audio DSP). >>> This patch adds the DT bindings information for this hwspinlock >>> module. >>> >>> Cc: Suman Anna <[email protected]> >>> Cc: Bjorn Andersson <[email protected]> >>> Signed-off-by: Wei Chen <[email protected]> >>> Signed-off-by: Barry Song <[email protected]> >>> --- >>> .../devicetree/bindings/hwlock/sirf,hwspinlock.txt | 25 >>> ++++++++++++++++++++++ >>> 1 file changed, 25 insertions(+) >>> create mode 100644 >>> Documentation/devicetree/bindings/hwlock/sirf,hwspinlock.txt >>> >>> diff --git a/Documentation/devicetree/bindings/hwlock/sirf,hwspinlock.txt >>> b/Documentation/devicetree/bindings/hwlock/sirf,hwspinlock.txt >>> new file mode 100644 >>> index 0000000..cc6d351 >>> --- /dev/null >>> +++ b/Documentation/devicetree/bindings/hwlock/sirf,hwspinlock.txt >>> @@ -0,0 +1,25 @@ >>> +SIRF Hardware spinlock device Binding >>> +----------------------------------------------- >>> + >>> +Required properties : >>> +- compatible : shall contain only one of the following: >>> + "sirf,hwspinlock" >>> + >>> +- reg : the register address of hwspinlock >> >> Also suggest to document the value to be used for #hwlock-cells, the >> generic hwlock binding does not mention that. > > do you think whether we can put one line like? > > #hwlock-cells : <1>, as required by generic hwspinlock binding.
The generic hwspinlock binding does not require a specific value, that is something determined by the individual platform implementation. So, something like "#hwlock-cells: Should be 1" is fine. regards Suman >> >>> + >>> +Please look at the generic hwlock binding for usage information for >>> consumers, >>> +"Documentation/devicetree/bindings/hwlock/hwlock.txt" >>> + >> >> regards >> Suman >> > > -barry > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
