linux-kernel - Re: [PATCH 1/3] mfd: axp20x: Rename supply names for AXP221 DC1SW and DC5LDO regulators

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Date:	Tue, 22 Sep 2015 23:06:49 +0100
From:	Lee Jones <lee.jones@...aro.org>
To:	Chen-Yu Tsai <wens@...e.org>
Cc:	Rob Herring <robh+dt@...nel.org>, Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Russell King <linux@....linux.org.uk>,
	Maxime Ripard <maxime.ripard@...e-electrons.com>,
	Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>,
	linux-sunxi <linux-sunxi@...glegroups.com>,
	devicetree <devicetree@...r.kernel.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 1/3] mfd: axp20x: Rename supply names for AXP221 DC1SW
 and DC5LDO regulators

On Sun, 20 Sep 2015, Chen-Yu Tsai wrote:

> Hi Lee,
> 
> On Sun, Sep 20, 2015 at 12:17 PM, Lee Jones <lee.jones@...aro.org> wrote:
> > On Wed, 16 Sep 2015, Chen-Yu Tsai wrote:
> >
> >> The DC1SW and DC5LDO regulators in the AXP221 are internally chained
> >> to DCDC1 and DCDC5, hence the names. The original bindings used the
> >> parent regulator names for the supply regulator property. This causes
> >> some confusion when we actually use it in the dts:
> >>
> >>       axp221 {
> >>               /* self supplying? */
> >>               dcdc1-supply = <&dcdc1>;
> >>               dcdc5-supply = <&dcdc5>;
> >>
> >>               dcdc1: dcdc1 {
> >>                       ...
> >>               };
> >>
> >>               dcdc5: dcdc5 {
> >>                       ...
> >>               };
> >>       };
> >>
> >> Change them to the downstream regulator names, or "dc1sw" and "dc5ldo"
> >> respectively.
> >>
> >> Signed-off-by: Chen-Yu Tsai <wens@...e.org>
> >> ---
> >>  Documentation/devicetree/bindings/mfd/axp20x.txt | 4 ++--
> >>  1 file changed, 2 insertions(+), 2 deletions(-)
> >
> > Applied, thanks.
> 
> Mark (in his reply) has a point. If these are internally connect, we
> should just remove them from the bindings, and associate them in the
> driver.
> 
> I'm looking into this. In the mean time, could you drop this one?

Patch removed.

> >> diff --git a/Documentation/devicetree/bindings/mfd/axp20x.txt b/Documentation/devicetree/bindings/mfd/axp20x.txt
> >> index 41811223e5be..8e79252b1e7c 100644
> >> --- a/Documentation/devicetree/bindings/mfd/axp20x.txt
> >> +++ b/Documentation/devicetree/bindings/mfd/axp20x.txt
> >> @@ -60,8 +60,8 @@ DCDC2               : DC-DC buck    : vin2-supply
> >>  DCDC3                : DC-DC buck    : vin3-supply
> >>  DCDC4                : DC-DC buck    : vin4-supply
> >>  DCDC5                : DC-DC buck    : vin5-supply
> >> -DC1SW                : On/Off Switch : dcdc1-supply          : DCDC1 secondary output
> >> -DC5LDO               : LDO           : dcdc5-supply          : input from DCDC5
> >> +DC1SW                : On/Off Switch : dc1sw-supply          : DCDC1 secondary output
> >> +DC5LDO               : LDO           : dc5ldo-supply         : input from DCDC5
> >>  ALDO1                : LDO           : aldoin-supply         : shared supply
> >>  ALDO2                : LDO           : aldoin-supply         : shared supply
> >>  ALDO3                : LDO           : aldoin-supply         : shared supply
> >

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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