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[PATCH v2 1/6] ARM: imx6q: provide documentation for new fsl,pmic_stby_poweroff property

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  [PATCH v2 1/6] ARM: imx6q: provide documentation for new fsl,pmic_stby_poweroff property Oleksij Rempel <o.rempel@pengutronix.de> - 2017-05-31 08:20 +0200
    Re: [PATCH v2 1/6] ARM: imx6q: provide documentation for new  fsl,pmic_stby_poweroff property Mark Rutland <mark.rutland@arm.com> - 2017-05-31 17:00 +0200
      Re: [PATCH v2 1/6] ARM: imx6q: provide documentation for new  fsl,pmic_stby_poweroff property Oleksij Rempel <linux@rempel-privat.de> - 2017-06-01 09:00 +0200

#1653851 — [PATCH v2 1/6] ARM: imx6q: provide documentation for new fsl,pmic_stby_poweroff property

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Cc: kernel@pengutronix.de
Cc: linux-arm-kernel@lists.infradead.org
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@codeaurora.org>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: linux-clk@vger.kernel.org
Cc: devicetree@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
---
 Documentation/devicetree/bindings/clock/imx6q-clock.txt | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/clock/imx6q-clock.txt b/Documentation/devicetree/bindings/clock/imx6q-clock.txt
index 9252912a5b0e..214cb5f461c7 100644
--- a/Documentation/devicetree/bindings/clock/imx6q-clock.txt
+++ b/Documentation/devicetree/bindings/clock/imx6q-clock.txt
@@ -6,6 +6,10 @@ Required properties:
 - interrupts: Should contain CCM interrupt
 - #clock-cells: Should be <1>
 
+Optional properties:
+- fsl,pmic_stby_poweroff: Configure CCM to assert PMIC_STBY_REQ signal
+  on power off.
+
 The clock consumer should specify the desired clock by having the clock
 ID in its "clocks" phandle cell.  See include/dt-bindings/clock/imx6qdl-clock.h
 for the full list of i.MX6 Quad and DualLite clock IDs.
-- 
2.11.0

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#1654326 — Re: [PATCH v2 1/6] ARM: imx6q: provide documentation for new fsl,pmic_stby_poweroff property

On Wed, May 31, 2017 at 08:14:52AM +0200, Oleksij Rempel wrote:
> Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
> Cc: kernel@pengutronix.de
> Cc: linux-arm-kernel@lists.infradead.org
> Cc: Michael Turquette <mturquette@baylibre.com>
> Cc: Stephen Boyd <sboyd@codeaurora.org>
> Cc: Rob Herring <robh+dt@kernel.org>
> Cc: Mark Rutland <mark.rutland@arm.com>
> Cc: linux-clk@vger.kernel.org
> Cc: devicetree@vger.kernel.org
> Cc: linux-kernel@vger.kernel.org
> ---
>  Documentation/devicetree/bindings/clock/imx6q-clock.txt | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/clock/imx6q-clock.txt b/Documentation/devicetree/bindings/clock/imx6q-clock.txt
> index 9252912a5b0e..214cb5f461c7 100644
> --- a/Documentation/devicetree/bindings/clock/imx6q-clock.txt
> +++ b/Documentation/devicetree/bindings/clock/imx6q-clock.txt
> @@ -6,6 +6,10 @@ Required properties:
>  - interrupts: Should contain CCM interrupt
>  - #clock-cells: Should be <1>
>  
> +Optional properties:
> +- fsl,pmic_stby_poweroff: Configure CCM to assert PMIC_STBY_REQ signal
> +  on power off.

s/_/-/ in property names, please.

When/why is this needed?

Why should a DT author (not) set this?

Thanks,
Mark.

> +
>  The clock consumer should specify the desired clock by having the clock
>  ID in its "clocks" phandle cell.  See include/dt-bindings/clock/imx6qdl-clock.h
>  for the full list of i.MX6 Quad and DualLite clock IDs.
> -- 
> 2.11.0
> 

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#1654861 — Re: [PATCH v2 1/6] ARM: imx6q: provide documentation for new fsl,pmic_stby_poweroff property

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Am 31.05.2017 um 16:52 schrieb Mark Rutland:
> On Wed, May 31, 2017 at 08:14:52AM +0200, Oleksij Rempel wrote:
>> Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
>> Cc: kernel@pengutronix.de
>> Cc: linux-arm-kernel@lists.infradead.org
>> Cc: Michael Turquette <mturquette@baylibre.com>
>> Cc: Stephen Boyd <sboyd@codeaurora.org>
>> Cc: Rob Herring <robh+dt@kernel.org>
>> Cc: Mark Rutland <mark.rutland@arm.com>
>> Cc: linux-clk@vger.kernel.org
>> Cc: devicetree@vger.kernel.org
>> Cc: linux-kernel@vger.kernel.org
>> ---
>>  Documentation/devicetree/bindings/clock/imx6q-clock.txt | 4 ++++
>>  1 file changed, 4 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/clock/imx6q-clock.txt b/Documentation/devicetree/bindings/clock/imx6q-clock.txt
>> index 9252912a5b0e..214cb5f461c7 100644
>> --- a/Documentation/devicetree/bindings/clock/imx6q-clock.txt
>> +++ b/Documentation/devicetree/bindings/clock/imx6q-clock.txt
>> @@ -6,6 +6,10 @@ Required properties:
>>  - interrupts: Should contain CCM interrupt
>>  - #clock-cells: Should be <1>
>>  
>> +Optional properties:
>> +- fsl,pmic_stby_poweroff: Configure CCM to assert PMIC_STBY_REQ signal
>> +  on power off.
> 
> s/_/-/ in property names, please.

ok.

I have now some more questions:
what naming schema should be actually used?
fsl,pmic-stby-poweroff
or
fsl,pmic-stby-power-off

i found some existing case:
sound/rt5660.txt:- realtek,poweroff-in-suspend
so in my case it will be:
fsl,standby-in-poweroff
or
fsl,standby-in-power-off

can we have generic name for this use case?
should I use same binding for PMIC and the SoC or they should be more like:
for SoC "standby-in-power-off"
and for PMIC "power-off-in-standby"



> When/why is this needed?
> 
> Why should a DT author (not) set this?
> 
> Thanks,
> Mark.
> 
>> +
>>  The clock consumer should specify the desired clock by having the clock
>>  ID in its "clocks" phandle cell.  See include/dt-bindings/clock/imx6qdl-clock.h
>>  for the full list of i.MX6 Quad and DualLite clock IDs.
>> -- 
>> 2.11.0
>>


-- 
Regards,
Oleksij

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