Re: [PATCH 3/3] ARM: OMAP4: dts: Add main and optional clock data into DT

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On Wednesday 21 August 2013 05:27 AM, Paul Walmsley wrote:
> Hi
> 
> On Tue, 23 Jul 2013, Rajendra Nayak wrote:
> 
>> With support to parse clock data from DT, move all main and optional
>> clock information from hwmod to DT.
>>
>> We still retain clocks in hwmod for devices which do not have a DT node.
>>
>> Signed-off-by: Rajendra Nayak <rnayak@xxxxxx>
>> ---
>>  arch/arm/boot/dts/omap4.dtsi               |  100 +++++++++++++++++++++++++
>>  arch/arm/mach-omap2/omap_hwmod_44xx_data.c |  112 ----------------------------
>>  2 files changed, 100 insertions(+), 112 deletions(-)
>>
>> diff --git a/arch/arm/boot/dts/omap4.dtsi b/arch/arm/boot/dts/omap4.dtsi
>> index 8e142f9..4dddf64 100644
>> --- a/arch/arm/boot/dts/omap4.dtsi
>> +++ b/arch/arm/boot/dts/omap4.dtsi
>> @@ -106,6 +106,8 @@
>>  			compatible = "ti,omap-counter32k";
>>  			reg = <0x4a304000 0x20>;
>>  			ti,hwmods = "counter_32k";
>> +			clocks = <&sys_32k_ck>;
>> +			clock-names = "fck";
> 
> Shouldn't these patches be using the official DT clock binding format?

They are, already.
 
> Either the 'clocks' property should be something like:
> 
>     clocks = <&prm 10>;

That depends on the #clock-cells for the clock provider node. These patches
are based on Teros series to move all OMAP clocks to DT [1], and the clock providers
in his series have the #clock-cells set to 0.

So the clock bindings do not mandate
	clocks = <&clk-provider index>
or
	clocks = <&clk-provider>

It just depends on how the clk-provider node is defined.

[1] http://comments.gmane.org/gmane.linux.ports.arm.omap/100117

> 
> or a change to the bindings needs to be discussed and implemented.
> 
> 
> - Paul
> 

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