[PATCH v6 2/5] arm: dts: qcom: Add SPM device bindings for 8974

Stephen Boyd sboyd at codeaurora.org
Wed Sep 24 14:46:23 PDT 2014


On 09/24/14 10:23, Lina Iyer wrote:
> On Wed, Sep 24 2014 at 11:21 -0600, Stephen Boyd wrote:
>> On 09/24/14 06:49, Lina Iyer wrote:
>>> On Wed, Sep 24 2014 at 00:14 -0600, Pramod Gurav wrote:
>>>> Hi Lina,
>>>>
>>>> On Wednesday 24 September 2014 05:21 AM, Lina Iyer wrote:
>>>>> Add SPM device bindings for QCOM 8974 based cpus. SPM is the
>>>>> sub-system
>>>>> power manager and controls the logic around the cores (cpu and L2).
>>>>>
>>>>> Each core has an instance of SPM and controls only that core. Each
>>>>> cpu
>>>>> SPM is configured to support WFI and SPC (standalone-power collapse).
>>>>>
>>>>> Signed-off-by: Lina Iyer <lina.iyer at linaro.org>
>>>>> ---
>>>>>  arch/arm/boot/dts/qcom-msm8974-pm.dtsi | 69
>>>>> ++++++++++++++++++++++++++++++++++
>>>>>  arch/arm/boot/dts/qcom-msm8974.dtsi    | 10 +++--
>>>>>  2 files changed, 75 insertions(+), 4 deletions(-)
>>>>>  create mode 100644 arch/arm/boot/dts/qcom-msm8974-pm.dtsi
>>>>
>>>> <snip>
>>>>
>>>>> +};
>>>>> diff --git a/arch/arm/boot/dts/qcom-msm8974.dtsi
>>>>> b/arch/arm/boot/dts/qcom-msm8974.dtsi
>>>>> index 69dca2a..0580bc2 100644
>>>>> --- a/arch/arm/boot/dts/qcom-msm8974.dtsi
>>>>> +++ b/arch/arm/boot/dts/qcom-msm8974.dtsi
>>>>> @@ -14,7 +14,7 @@
>>>>>          #size-cells = <0>;
>>>>>          interrupts = <1 9 0xf04>;
>>>>>
>>>>> -        cpu at 0 {
>>>>> +        CPU0: cpu at 0 {
>>>> Lina, Stephen boyd has sent some DT change for krait-cpufreq which
>>>> also
>>>> renames this node to "cpu0: cpu at 0". If you both could sync up and
>>>> agree
>>>> on a common naming('cpu0' with caps or not caps) for this node.
>>>>
>>> Sure. Will work with Stephen on that.
>>>
>>
>> This doesn't seem like a big deal. I imagine Kumar can resolve the
>> conflict if the two patches merge at the same time.
>>
> I can use the lower case names, if thats common. I see that being used
> for referring to <&acc> in that file, but ofcourse <&L2> exists as well.
> Any preference?
>

No preference. Uppercase at least matches L2 and that matches what's in
the ePAPR so that seems nice.


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