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Date: Thu, 6 Jun 2013 03:38:05 +0000
From: "J, KEERTHY" <j-keerthy@...com>
To: Grant Likely <grant.likely@...retlab.ca>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
Stephen Warren <swarren@...dotorg.org>
CC: "linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
"devicetree-discuss@...ts.ozlabs.org"
<devicetree-discuss@...ts.ozlabs.org>,
"swarren@...dotorg.org" <swarren@...dotorg.org>,
"broonie@...nsource.wolfsonmicro.com"
<broonie@...nsource.wolfsonmicro.com>,
"rob.herring@...xeda.com" <rob.herring@...xeda.com>,
"rob@...dley.net" <rob@...dley.net>,
"sameo@...ux.intel.com" <sameo@...ux.intel.com>,
"wim@...ana.be" <wim@...ana.be>,
"lgirdwood@...il.com" <lgirdwood@...il.com>,
"gg@...mlogic.co.uk" <gg@...mlogic.co.uk>,
"Kristo, Tero" <t-kristo@...com>,
"lee.jones@...aro.org" <lee.jones@...aro.org>,
Ian Lartey <ian@...mlogic.co.uk>
Subject: RE: [PATCH v2] mfd: DT bindings for the palmas family MFD
Hi Grant,
> -----Original Message-----
> From: Grant Likely [mailto:glikely@...retlab.ca] On Behalf Of Grant
> Likely
> Sent: Thursday, June 06, 2013 5:32 AM
> To: J, KEERTHY; linux-kernel@...r.kernel.org
> Cc: linux-doc@...r.kernel.org; devicetree-discuss@...ts.ozlabs.org;
> swarren@...dotorg.org; broonie@...nsource.wolfsonmicro.com;
> rob.herring@...xeda.com; rob@...dley.net; sameo@...ux.intel.com;
> wim@...ana.be; lgirdwood@...il.com; gg@...mlogic.co.uk; Kristo, Tero;
> lee.jones@...aro.org; J, KEERTHY; Ian Lartey
> Subject: Re: [PATCH v2] mfd: DT bindings for the palmas family MFD
>
> On Tue, 4 Jun 2013 14:11:49 +0530, J Keerthy <j-keerthy@...com> wrote:
> > From: Graeme Gregory <gg@...mlogic.co.uk>
> >
> > Add the various binding files for the palmas family of chips. There
> is
> > a top level MFD binding then a seperate binding for regulators IP
> blocks on chips.
> >
> > Signed-off-by: Graeme Gregory <gg@...mlogic.co.uk>
> > Signed-off-by: J Keerthy <j-keerthy@...com>
> > Signed-off-by: Ian Lartey <ian@...mlogic.co.uk>
>
> Applied, thanks.
>
There are couple of minor comments from Stephen. I will post a v3
Of this with an Acked-by: Stephen. Could you please pull that
And drop this?
> g.
>
Regards,
Keerthy
> > ---
> > Changes from v1:
> > * Corrected ti,ldo6_vibrator property ---> ti,ldo6-vibrator
> > * Added the irq.h header file inclusion for defining type of
> interrupt
> >
> > Documentation/devicetree/bindings/mfd/palmas.txt | 49
> +++++++++++++++
> > .../devicetree/bindings/regulator/palmas-pmic.txt | 65
> ++++++++++++++++++++
> > 2 files changed, 114 insertions(+), 0 deletions(-) create mode
> > 100644 Documentation/devicetree/bindings/mfd/palmas.txt
> > create mode 100644
> > Documentation/devicetree/bindings/regulator/palmas-pmic.txt
> >
> > diff --git a/Documentation/devicetree/bindings/mfd/palmas.txt
> > b/Documentation/devicetree/bindings/mfd/palmas.txt
> > new file mode 100644
> > index 0000000..c6c5e78
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/mfd/palmas.txt
> > @@ -0,0 +1,49 @@
> > +* palmas device tree bindings
> > +
> > +The TI palmas family current members :-
> > +twl6035 (palmas)
> > +twl6037 (palmas)
> > +tps65913 (palmas)
> > +tps65914 (palmas)
> > +
> > +Required properties:
> > +- compatible : Should be from the list
> > + ti,twl6035
> > + ti,twl6036
> > + ti,twl6037
> > + ti,tps65913
> > + ti,tps65914
> > + ti,tps80036
> > +and also the generic series names
> > + ti,palmas
> > +- interrupt-controller : palmas has its own internal IRQs
> > +- #interrupt-cells : should be set to 2 for IRQ number and flags
> > + The first cell is the IRQ number.
> > + The second cell is the flags, encoded as the trigger masks from
> > + Documentation/devicetree/bindings/interrupts.txt
> > +- interrupt-parent : The parent interrupt controller.
> > +
> > +Optional properties:
> > + ti,mux_padX : set the pad register X (1-2) to the correct muxing
> for the
> > + hardware, if not set will use muxing in OTP.
> > +
> > +Example:
> > +
> > +palmas {
> > + compatible = "ti,twl6035", "ti,palmas";
> > + reg = <0x48>
> > + interrupt-parent = <&intc>;
> > + interrupt-controller;
> > + #interrupt-cells = <2>;
> > +
> > + ti,mux-pad1 = <0>;
> > + ti,mux-pad2 = <0>;
> > +
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > +
> > + pmic {
> > + compatible = "ti,twl6035-pmic", "ti,palmas-pmic";
> > + ....
> > + };
> > +}
> > diff --git
> > a/Documentation/devicetree/bindings/regulator/palmas-pmic.txt
> > b/Documentation/devicetree/bindings/regulator/palmas-pmic.txt
> > new file mode 100644
> > index 0000000..a0ccdf2
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/regulator/palmas-pmic.txt
> > @@ -0,0 +1,65 @@
> > +* palmas regulator IP block devicetree bindings
> > +
> > +Required properties:
> > +- compatible : Should be from the list
> > + ti,twl6035-pmic
> > + ti,twl6036-pmic
> > + ti,twl6037-pmic
> > + ti,tps65913-pmic
> > + ti,tps65914-pmic
> > +and also the generic series names
> > + ti,palmas-pmic
> > +
> > +Optional properties:
> > +- ti,ldo6-vibrator : ldo6 is in vibrator mode
> > +
> > +Optional nodes:
> > +- regulators : should contain the constrains and init information
> for the
> > + regulators. It should contain a subnode per regulator from
> the
> > + list.
> > + For ti,palmas-pmic - smps12, smps123, smps3 depending on
> OTP,
> > + smps45, smps457, smps7 depending on varient, smps6,
> smps[8-10],
> > + ldo[1-9], ldoln, ldousb
> > +
> > + optional chip specific regulator fields :-
> > + ti,warm-reset - maintain voltage during warm
> reset(boolean)
> > + ti,roof-floor - control voltage selection by pin(boolean)
> > + ti,sleep-mode - mode to adopt in pmic sleep 0 - off, 1 -
> auto,
> > + 2 - eco, 3 - forced pwm
> > + ti,tstep - slope control 0 - Jump, 1 10mV/us, 2 5mV/us, 3
> 2.5mV/us
> > + ti,smps-range - OTP has the wrong range set for the
> hardware so override
> > + 0 - low range, 1 - high range
> > +
> > +Example:
> > +
> > +#include <include/dt-bindings/interrupt-controller/irq.h>
> > +
> > +pmic {
> > + compatible = "ti,twl6035-pmic", "ti,palmas-pmic";
> > + interrupt-parent = <&palmas>;
> > + interrupts = <14 IRQ_TYPE_NONE>;
> > + interrupt-name = "short-irq";
> > +
> > + ti,ldo6-vibrator;
> > +
> > + regulators {
> > + smps12_reg : smps12 {
> > + regulator-name = "smps12";
> > + regulator-min-microvolt = < 600000>;
> > + regulator-max-microvolt = <1500000>;
> > + regulator-always-on;
> > + regulator-boot-on;
> > + ti,warm-reset;
> > + ti,roof-floor;
> > + ti,mode-sleep = <0>;
> > + ti,tstep = <0>;
> > + ti,smps-range = <1>;
> > + };
> > +
> > + ldo1_reg: ldo1 {
> > + regulator-name = "ldo1";
> > + regulator-min-microvolt = <2800000>;
> > + regulator-max-microvolt = <2800000>;
> > + };
> > + };
> > +};
> > --
> > 1.7.5.4
> > --
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>
> --
> Grant Likely, B.Sc, P.Eng.
> Secret Lab Technologies, Ltd.
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