Re: [PATCH 0/3] Add initial DT support for Qualcomm SPMI PMIC devices

2015-03-04 Thread Ivan T. Ivanov

On Tue, 2015-03-03 at 00:19 -0800, Stephen Boyd wrote:
> On 02/26, Ivan T. Ivanov wrote:
> > Hi Stephen,
> > 
> > Sorry for delayed answer.
> > 
> > On Thu, 2015-02-19 at 16:49 -0800, Stephen Boyd wrote:
> > > On 02/03/15 04:17, Ivan T. Ivanov wrote:
> > > > Following set of patches add initial DT support for PMIC devices
> > > > found on recent Quqalcomm chipsets. Details for SPMI bus and PMIC 
> > > > arbiter
> > > > could be found here [1].
> > > 
> > > Can you please put the specific compatible strings for the pmic model
> > > into the nodes in addition to the generic "qcom,spmi-pmic"? We may want
> > > to have regmap config tables in the future that describe the
> > > cache/read/write abilities of the regsiters. If all we have is the
> > > generic binding then we don't have a way to populate these tables.
> > > Unless the plan there is to use the revid registers?
> > > 
> > 
> > I would really like that we can use "revid" registers, but I don't know...
> > 
> > From what I can see usually in one physical PMIC chip they
> > are 2 USID devices.
> > 
> > I can successfully discover following USID's on APQ8074 boards:
> > 
> > pmic-spmi 0-00: qcom,pm8941-v1.0 detected
> > pmic-spmi 0-01: qcom,pm8941-v1.0 detected
> > pmic-spmi 0-04: qcom,pm8841-v0.0 detected
> > pmic-spmi 0-05: qcom,pm8841-v0.0 detected
> > 
> > Unfortunately on PM8916 only one device is detected, with USID 0.
> > But they should be two, judging by downstream DTS files, right?
> > 
> > pmic-spmi 0-00: qcom,pm8916-v0.0 detected
> > pmic-spmi 0-01: unknown device
> > 
> > For communication with PM8916 I am using recent patches from Gilad [1].
> > Maybe there are still some issues with these patches, which can cause
> > this behavior or PM8916 just didn't have these registers for USID 1?
> > 
> > Regards,
> > Ivan
> 
> Hmm... do you have 4 total rev-id nodes on apq8074? I only see
> one rev-id node per pmic (2 total), so I'm a little lost how the
> correct pmic version is detected on the 0-01 and 0-05 devices in
> your example above. 

Same confusion here. I am using this[1] patch to read revision info.

Address at offset 0x105 for USID 0,1 on PM8914 and USID 4,5 on PM8841
contains 0x51, which denotes them as PMIC's, so patch assumes that rest
of the registers have to contain valid version values.

Regards,
Ivan

[1] http://permalink.gmane.org/gmane.linux.kernel/1900135



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Re: [PATCH 0/3] Add initial DT support for Qualcomm SPMI PMIC devices

2015-03-04 Thread Ivan T. Ivanov

On Tue, 2015-03-03 at 00:19 -0800, Stephen Boyd wrote:
 On 02/26, Ivan T. Ivanov wrote:
  Hi Stephen,
  
  Sorry for delayed answer.
  
  On Thu, 2015-02-19 at 16:49 -0800, Stephen Boyd wrote:
   On 02/03/15 04:17, Ivan T. Ivanov wrote:
Following set of patches add initial DT support for PMIC devices
found on recent Quqalcomm chipsets. Details for SPMI bus and PMIC 
arbiter
could be found here [1].
   
   Can you please put the specific compatible strings for the pmic model
   into the nodes in addition to the generic qcom,spmi-pmic? We may want
   to have regmap config tables in the future that describe the
   cache/read/write abilities of the regsiters. If all we have is the
   generic binding then we don't have a way to populate these tables.
   Unless the plan there is to use the revid registers?
   
  
  I would really like that we can use revid registers, but I don't know...
  
  From what I can see usually in one physical PMIC chip they
  are 2 USID devices.
  
  I can successfully discover following USID's on APQ8074 boards:
  
  pmic-spmi 0-00: qcom,pm8941-v1.0 detected
  pmic-spmi 0-01: qcom,pm8941-v1.0 detected
  pmic-spmi 0-04: qcom,pm8841-v0.0 detected
  pmic-spmi 0-05: qcom,pm8841-v0.0 detected
  
  Unfortunately on PM8916 only one device is detected, with USID 0.
  But they should be two, judging by downstream DTS files, right?
  
  pmic-spmi 0-00: qcom,pm8916-v0.0 detected
  pmic-spmi 0-01: unknown device
  
  For communication with PM8916 I am using recent patches from Gilad [1].
  Maybe there are still some issues with these patches, which can cause
  this behavior or PM8916 just didn't have these registers for USID 1?
  
  Regards,
  Ivan
 
 Hmm... do you have 4 total rev-id nodes on apq8074? I only see
 one rev-id node per pmic (2 total), so I'm a little lost how the
 correct pmic version is detected on the 0-01 and 0-05 devices in
 your example above. 

Same confusion here. I am using this[1] patch to read revision info.

Address at offset 0x105 for USID 0,1 on PM8914 and USID 4,5 on PM8841
contains 0x51, which denotes them as PMIC's, so patch assumes that rest
of the registers have to contain valid version values.

Regards,
Ivan

[1] http://permalink.gmane.org/gmane.linux.kernel/1900135



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Re: [PATCH 0/3] Add initial DT support for Qualcomm SPMI PMIC devices

2015-03-03 Thread Stephen Boyd
On 02/26, Ivan T. Ivanov wrote:
> 
> Hi Stephan, 
> 
> Sorry for delayed answer.
> 
> On Thu, 2015-02-19 at 16:49 -0800, Stephen Boyd wrote:
> > On 02/03/15 04:17, Ivan T. Ivanov wrote:
> > > Following set of patches add initial DT support for PMIC devices
> > > found on recent Quqalcomm chipsets. Details for SPMI bus and PMIC arbiter
> > > could be found here [1].
> > 
> > Can you please put the specific compatible strings for the pmic model
> > into the nodes in addition to the generic "qcom,spmi-pmic"? We may want
> > to have regmap config tables in the future that describe the
> > cache/read/write abilities of the regsiters. If all we have is the
> > generic binding then we don't have a way to populate these tables.
> > Unless the plan there is to use the revid registers?
> > 
> 
> I would really like that we can use "revid" registers, but I don't know... 
> 
> From what I can see usually in one physical PMIC chip they
> are 2 USID devices.
> 
> I can successfully discover following USID's on APQ8074 boards:
> 
> pmic-spmi 0-00: qcom,pm8941-v1.0 detected
> pmic-spmi 0-01: qcom,pm8941-v1.0 detected
> pmic-spmi 0-04: qcom,pm8841-v0.0 detected
> pmic-spmi 0-05: qcom,pm8841-v0.0 detected
> 
> Unfortunately on PM8916 only one device is detected, with USID 0.
> But they should be two, judging by downstream DTS files, right?
> 
> pmic-spmi 0-00: qcom,pm8916-v0.0 detected 
> pmic-spmi 0-01: unknown device
> 
> For communication with PM8916 I am using recent patches from Gilad [1].
> Maybe there are still some issues with these patches, which can cause
> this behavior or PM8916 just didn't have these registers for USID 1?
> 
> Regards,
> Ivan 

Hmm... do you have 4 total rev-id nodes on apq8074? I only see
one rev-id node per pmic (2 total), so I'm a little lost how the
correct pmic version is detected on the 0-01 and 0-05 devices in
your example above. Maybe I've missed something though, I'll have
to check in a few hours when I'm in the office.

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a Linux Foundation Collaborative Project
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Re: [PATCH 0/3] Add initial DT support for Qualcomm SPMI PMIC devices

2015-03-03 Thread Stephen Boyd
On 02/26, Ivan T. Ivanov wrote:
 
 Hi Stephan, 
 
 Sorry for delayed answer.
 
 On Thu, 2015-02-19 at 16:49 -0800, Stephen Boyd wrote:
  On 02/03/15 04:17, Ivan T. Ivanov wrote:
   Following set of patches add initial DT support for PMIC devices
   found on recent Quqalcomm chipsets. Details for SPMI bus and PMIC arbiter
   could be found here [1].
  
  Can you please put the specific compatible strings for the pmic model
  into the nodes in addition to the generic qcom,spmi-pmic? We may want
  to have regmap config tables in the future that describe the
  cache/read/write abilities of the regsiters. If all we have is the
  generic binding then we don't have a way to populate these tables.
  Unless the plan there is to use the revid registers?
  
 
 I would really like that we can use revid registers, but I don't know... 
 
 From what I can see usually in one physical PMIC chip they
 are 2 USID devices.
 
 I can successfully discover following USID's on APQ8074 boards:
 
 pmic-spmi 0-00: qcom,pm8941-v1.0 detected
 pmic-spmi 0-01: qcom,pm8941-v1.0 detected
 pmic-spmi 0-04: qcom,pm8841-v0.0 detected
 pmic-spmi 0-05: qcom,pm8841-v0.0 detected
 
 Unfortunately on PM8916 only one device is detected, with USID 0.
 But they should be two, judging by downstream DTS files, right?
 
 pmic-spmi 0-00: qcom,pm8916-v0.0 detected 
 pmic-spmi 0-01: unknown device
 
 For communication with PM8916 I am using recent patches from Gilad [1].
 Maybe there are still some issues with these patches, which can cause
 this behavior or PM8916 just didn't have these registers for USID 1?
 
 Regards,
 Ivan 

Hmm... do you have 4 total rev-id nodes on apq8074? I only see
one rev-id node per pmic (2 total), so I'm a little lost how the
correct pmic version is detected on the 0-01 and 0-05 devices in
your example above. Maybe I've missed something though, I'll have
to check in a few hours when I'm in the office.

-- 
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a Linux Foundation Collaborative Project
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Re: [PATCH 0/3] Add initial DT support for Qualcomm SPMI PMIC devices

2015-02-26 Thread Ivan T. Ivanov

Hi Stephan, 

Sorry for delayed answer.

On Thu, 2015-02-19 at 16:49 -0800, Stephen Boyd wrote:
> On 02/03/15 04:17, Ivan T. Ivanov wrote:
> > Following set of patches add initial DT support for PMIC devices
> > found on recent Quqalcomm chipsets. Details for SPMI bus and PMIC arbiter
> > could be found here [1].
> 
> Can you please put the specific compatible strings for the pmic model
> into the nodes in addition to the generic "qcom,spmi-pmic"? We may want
> to have regmap config tables in the future that describe the
> cache/read/write abilities of the regsiters. If all we have is the
> generic binding then we don't have a way to populate these tables.
> Unless the plan there is to use the revid registers?
> 

I would really like that we can use "revid" registers, but I don't know... 

>From what I can see usually in one physical PMIC chip they
are 2 USID devices.

I can successfully discover following USID's on APQ8074 boards:

pmic-spmi 0-00: qcom,pm8941-v1.0 detected
pmic-spmi 0-01: qcom,pm8941-v1.0 detected
pmic-spmi 0-04: qcom,pm8841-v0.0 detected
pmic-spmi 0-05: qcom,pm8841-v0.0 detected

Unfortunately on PM8916 only one device is detected, with USID 0.
But they should be two, judging by downstream DTS files, right?

pmic-spmi 0-00: qcom,pm8916-v0.0 detected 
pmic-spmi 0-01: unknown device

For communication with PM8916 I am using recent patches from Gilad [1].
Maybe there are still some issues with these patches, which can cause
this behavior or PM8916 just didn't have these registers for USID 1?

Regards,
Ivan 

[1] https://lkml.org/lkml/2015/2/19/453

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Re: [PATCH 0/3] Add initial DT support for Qualcomm SPMI PMIC devices

2015-02-26 Thread Ivan T. Ivanov

Hi Stephan, 

Sorry for delayed answer.

On Thu, 2015-02-19 at 16:49 -0800, Stephen Boyd wrote:
 On 02/03/15 04:17, Ivan T. Ivanov wrote:
  Following set of patches add initial DT support for PMIC devices
  found on recent Quqalcomm chipsets. Details for SPMI bus and PMIC arbiter
  could be found here [1].
 
 Can you please put the specific compatible strings for the pmic model
 into the nodes in addition to the generic qcom,spmi-pmic? We may want
 to have regmap config tables in the future that describe the
 cache/read/write abilities of the regsiters. If all we have is the
 generic binding then we don't have a way to populate these tables.
 Unless the plan there is to use the revid registers?
 

I would really like that we can use revid registers, but I don't know... 

From what I can see usually in one physical PMIC chip they
are 2 USID devices.

I can successfully discover following USID's on APQ8074 boards:

pmic-spmi 0-00: qcom,pm8941-v1.0 detected
pmic-spmi 0-01: qcom,pm8941-v1.0 detected
pmic-spmi 0-04: qcom,pm8841-v0.0 detected
pmic-spmi 0-05: qcom,pm8841-v0.0 detected

Unfortunately on PM8916 only one device is detected, with USID 0.
But they should be two, judging by downstream DTS files, right?

pmic-spmi 0-00: qcom,pm8916-v0.0 detected 
pmic-spmi 0-01: unknown device

For communication with PM8916 I am using recent patches from Gilad [1].
Maybe there are still some issues with these patches, which can cause
this behavior or PM8916 just didn't have these registers for USID 1?

Regards,
Ivan 

[1] https://lkml.org/lkml/2015/2/19/453

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Re: [PATCH 0/3] Add initial DT support for Qualcomm SPMI PMIC devices

2015-02-19 Thread Stephen Boyd
On 02/03/15 04:17, Ivan T. Ivanov wrote:
> Following set of patches add initial DT support for PMIC devices
> found on recent Quqalcomm chipsets. Details for SPMI bus and PMIC arbiter
> could be found here [1].

Can you please put the specific compatible strings for the pmic model
into the nodes in addition to the generic "qcom,spmi-pmic"? We may want
to have regmap config tables in the future that describe the
cache/read/write abilities of the regsiters. If all we have is the
generic binding then we don't have a way to populate these tables.
Unless the plan there is to use the revid registers?

-- 
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project

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Re: [PATCH 0/3] Add initial DT support for Qualcomm SPMI PMIC devices

2015-02-19 Thread Stephen Boyd
On 02/03/15 04:17, Ivan T. Ivanov wrote:
 Following set of patches add initial DT support for PMIC devices
 found on recent Quqalcomm chipsets. Details for SPMI bus and PMIC arbiter
 could be found here [1].

Can you please put the specific compatible strings for the pmic model
into the nodes in addition to the generic qcom,spmi-pmic? We may want
to have regmap config tables in the future that describe the
cache/read/write abilities of the regsiters. If all we have is the
generic binding then we don't have a way to populate these tables.
Unless the plan there is to use the revid registers?

-- 
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project

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Re: [PATCH 0/3] Add initial DT support for Qualcomm SPMI PMIC devices

2015-02-10 Thread Andy Gross
On Tue, Feb 03, 2015 at 02:17:57PM +0200, Ivan T. Ivanov wrote:
> Following set of patches add initial DT support for PMIC devices
> found on recent Quqalcomm chipsets. Details for SPMI bus and PMIC arbiter
> could be found here [1].
> 

Looks fine.

Reviewed-by: Andy Gross 

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The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project

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Re: [PATCH 0/3] Add initial DT support for Qualcomm SPMI PMIC devices

2015-02-10 Thread Andy Gross
On Tue, Feb 03, 2015 at 02:17:57PM +0200, Ivan T. Ivanov wrote:
 Following set of patches add initial DT support for PMIC devices
 found on recent Quqalcomm chipsets. Details for SPMI bus and PMIC arbiter
 could be found here [1].
 

Looks fine.

Reviewed-by: Andy Gross agr...@codeaurora.org

-- 
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The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project

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Re: [PATCH 0/3] Add initial DT support for Qualcomm SPMI PMIC devices

2015-02-09 Thread Ivan T. Ivanov

On Tue, 2015-02-03 at 12:38 -0800, Bjorn Andersson wrote:
> On Tue, Feb 3, 2015 at 4:17 AM, Ivan T. Ivanov  wrote:
> > Following set of patches add initial DT support for PMIC devices
> > found on recent Quqalcomm chipsets. Details for SPMI bus and PMIC arbiter
> > could be found here [1].
> > 
> > Regards,
> > Ivan
> > 
> > [1] http://lwn.net/Articles/564637/
> > 
> > Ivan T. Ivanov (3):
> >   ARM: dts: qcom: Add SPMI PMIC Arbiter nodes for APQ8084 and MSM8974
> >   ARM: dts: qcom: Add 8x74 chipset SPMI PMIC's nodes
> >   ARM: dts: qcom: Add APQ8084 chipset SPMI PMIC's nodes
> > 
> 
> Looks good.
> 
> Reviewed-by: Bjorn Andersson anders...@sonymobile.com>
> 

Thank you.

Any other comments? Kumar?

Regards,
Ivan
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Re: [PATCH 0/3] Add initial DT support for Qualcomm SPMI PMIC devices

2015-02-09 Thread Ivan T. Ivanov

On Tue, 2015-02-03 at 12:38 -0800, Bjorn Andersson wrote:
 On Tue, Feb 3, 2015 at 4:17 AM, Ivan T. Ivanov iiva...@mm-sol.com wrote:
  Following set of patches add initial DT support for PMIC devices
  found on recent Quqalcomm chipsets. Details for SPMI bus and PMIC arbiter
  could be found here [1].
  
  Regards,
  Ivan
  
  [1] http://lwn.net/Articles/564637/
  
  Ivan T. Ivanov (3):
ARM: dts: qcom: Add SPMI PMIC Arbiter nodes for APQ8084 and MSM8974
ARM: dts: qcom: Add 8x74 chipset SPMI PMIC's nodes
ARM: dts: qcom: Add APQ8084 chipset SPMI PMIC's nodes
  
 
 Looks good.
 
 Reviewed-by: Bjorn Andersson anders...@sonymobile.com
 

Thank you.

Any other comments? Kumar?

Regards,
Ivan
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Re: [PATCH 0/3] Add initial DT support for Qualcomm SPMI PMIC devices

2015-02-03 Thread Bjorn Andersson
On Tue, Feb 3, 2015 at 4:17 AM, Ivan T. Ivanov  wrote:
> Following set of patches add initial DT support for PMIC devices
> found on recent Quqalcomm chipsets. Details for SPMI bus and PMIC arbiter
> could be found here [1].
>
> Regards,
> Ivan
>
> [1] http://lwn.net/Articles/564637/
>
> Ivan T. Ivanov (3):
>   ARM: dts: qcom: Add SPMI PMIC Arbiter nodes for APQ8084 and MSM8974
>   ARM: dts: qcom: Add 8x74 chipset SPMI PMIC's nodes
>   ARM: dts: qcom: Add APQ8084 chipset SPMI PMIC's nodes
>

Looks good.

Reviewed-by: Bjorn Andersson 

Regards,
Bjorn
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[PATCH 0/3] Add initial DT support for Qualcomm SPMI PMIC devices

2015-02-03 Thread Ivan T. Ivanov
Following set of patches add initial DT support for PMIC devices
found on recent Quqalcomm chipsets. Details for SPMI bus and PMIC arbiter
could be found here [1].

Regards,
Ivan

[1] http://lwn.net/Articles/564637/

Ivan T. Ivanov (3):
  ARM: dts: qcom: Add SPMI PMIC Arbiter nodes for APQ8084 and MSM8974
  ARM: dts: qcom: Add 8x74 chipset SPMI PMIC's nodes
  ARM: dts: qcom: Add APQ8084 chipset SPMI PMIC's nodes

 arch/arm/boot/dts/qcom-apq8074-dragonboard.dts|  2 ++
 arch/arm/boot/dts/qcom-apq8084-ifc6540.dts|  1 +
 arch/arm/boot/dts/qcom-apq8084-mtp.dts|  1 +
 arch/arm/boot/dts/qcom-apq8084.dtsi   | 16 
 arch/arm/boot/dts/qcom-msm8974-sony-xperia-honami.dts |  2 ++
 arch/arm/boot/dts/qcom-msm8974.dtsi   | 16 
 arch/arm/boot/dts/qcom-pm8841.dtsi| 18 ++
 arch/arm/boot/dts/qcom-pm8941.dtsi| 18 ++
 arch/arm/boot/dts/qcom-pma8084.dtsi   | 18 ++
 9 files changed, 92 insertions(+)
 create mode 100644 arch/arm/boot/dts/qcom-pm8841.dtsi
 create mode 100644 arch/arm/boot/dts/qcom-pm8941.dtsi
 create mode 100644 arch/arm/boot/dts/qcom-pma8084.dtsi

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[PATCH 0/3] Add initial DT support for Qualcomm SPMI PMIC devices

2015-02-03 Thread Ivan T. Ivanov
Following set of patches add initial DT support for PMIC devices
found on recent Quqalcomm chipsets. Details for SPMI bus and PMIC arbiter
could be found here [1].

Regards,
Ivan

[1] http://lwn.net/Articles/564637/

Ivan T. Ivanov (3):
  ARM: dts: qcom: Add SPMI PMIC Arbiter nodes for APQ8084 and MSM8974
  ARM: dts: qcom: Add 8x74 chipset SPMI PMIC's nodes
  ARM: dts: qcom: Add APQ8084 chipset SPMI PMIC's nodes

 arch/arm/boot/dts/qcom-apq8074-dragonboard.dts|  2 ++
 arch/arm/boot/dts/qcom-apq8084-ifc6540.dts|  1 +
 arch/arm/boot/dts/qcom-apq8084-mtp.dts|  1 +
 arch/arm/boot/dts/qcom-apq8084.dtsi   | 16 
 arch/arm/boot/dts/qcom-msm8974-sony-xperia-honami.dts |  2 ++
 arch/arm/boot/dts/qcom-msm8974.dtsi   | 16 
 arch/arm/boot/dts/qcom-pm8841.dtsi| 18 ++
 arch/arm/boot/dts/qcom-pm8941.dtsi| 18 ++
 arch/arm/boot/dts/qcom-pma8084.dtsi   | 18 ++
 9 files changed, 92 insertions(+)
 create mode 100644 arch/arm/boot/dts/qcom-pm8841.dtsi
 create mode 100644 arch/arm/boot/dts/qcom-pm8941.dtsi
 create mode 100644 arch/arm/boot/dts/qcom-pma8084.dtsi

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Re: [PATCH 0/3] Add initial DT support for Qualcomm SPMI PMIC devices

2015-02-03 Thread Bjorn Andersson
On Tue, Feb 3, 2015 at 4:17 AM, Ivan T. Ivanov iiva...@mm-sol.com wrote:
 Following set of patches add initial DT support for PMIC devices
 found on recent Quqalcomm chipsets. Details for SPMI bus and PMIC arbiter
 could be found here [1].

 Regards,
 Ivan

 [1] http://lwn.net/Articles/564637/

 Ivan T. Ivanov (3):
   ARM: dts: qcom: Add SPMI PMIC Arbiter nodes for APQ8084 and MSM8974
   ARM: dts: qcom: Add 8x74 chipset SPMI PMIC's nodes
   ARM: dts: qcom: Add APQ8084 chipset SPMI PMIC's nodes


Looks good.

Reviewed-by: Bjorn Andersson bjorn.anders...@sonymobile.com

Regards,
Bjorn
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