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Date: Mon, 10 Jun 2013 08:19:09 +0000
From: "J, KEERTHY" <j-keerthy@...com>
To: Lee Jones <lee.jones@...aro.org>
CC: "Cousson, Benoit" <b-cousson@...com>,
"devicetree-discuss@...ts.ozlabs.org"
<devicetree-discuss@...ts.ozlabs.org>,
"linux-omap@...r.kernel.org" <linux-omap@...r.kernel.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"ldewangan@...dia.com" <ldewangan@...dia.com>,
"grant.likely@...retlab.ca" <grant.likely@...retlab.ca>,
"swarren@...dotorg.org" <swarren@...dotorg.org>,
"swarren@...dia.com" <swarren@...dia.com>,
"sameo@...ux.intel.com" <sameo@...ux.intel.com>,
"gg@...mlogic.co.uk" <gg@...mlogic.co.uk>
Subject: RE: [PATCH 2/2] ARM: dts: OMAP5: add palmas node and omap specific
palmas regulator properties
Hello Lee Jones,
> -----Original Message-----
> From: Lee Jones [mailto:lee.jones@...aro.org]
> Sent: Monday, June 10, 2013 1:42 PM
> To: J, KEERTHY
> Cc: Cousson, Benoit; devicetree-discuss@...ts.ozlabs.org; linux-
> omap@...r.kernel.org; linux-kernel@...r.kernel.org;
> ldewangan@...dia.com; grant.likely@...retlab.ca; swarren@...dotorg.org;
> swarren@...dia.com; sameo@...ux.intel.com; gg@...mlogic.co.uk
> Subject: Re: [PATCH 2/2] ARM: dts: OMAP5: add palmas node and omap
> specific palmas regulator properties
>
> > Add palmas node and omap specific palmas regulator properties.
> >
> > This patch is based on:
> >
> > git://git.kernel.org/pub/scm/linux/kernel/git/bcousson/linux-
> omap-dt.git
> > for_3.11/dts
>
> There's no need for this to be in the commit message.
>
Ok. I will remove this.
> > Boot tested on omap5-uevm board.
> >
> > Signed-off-by: J Keerthy <j-keerthy@...com>
> > ---
> > arch/arm/boot/dts/omap5-uevm.dts | 145
> > ++++++++++++++++++++++++++++++++++++++
> > 1 files changed, 145 insertions(+), 0 deletions(-)
> >
> > diff --git a/arch/arm/boot/dts/omap5-uevm.dts
> > b/arch/arm/boot/dts/omap5-uevm.dts
> > index 927db1e..88172db 100644
> > --- a/arch/arm/boot/dts/omap5-uevm.dts
> > +++ b/arch/arm/boot/dts/omap5-uevm.dts
> > @@ -254,6 +254,151 @@
> > pinctrl-0 = <&i2c1_pins>;
> >
> > clock-frequency = <400000>;
> > +
> > + palmas: palmas@48 {
> > + reg = <0x48>;
> > + /* SPI = 0, IRQ# = 7, 4 = active high level-sensitive */
>
> The interrupt property is fairly ubiqutous. There's not really any need
> to document it in this manor.
>
> > + interrupts = <0 7 4>; /* IRQ_SYS_1N cascaded to gic */
>
> Use the IRQ includes in dt-bindings.
Oops Yes I will include.
>
> > + interrupt-parent = <&gic>;
> > + };
> > +
> > +};
> > +
> > +#include "palmas.dtsi"
>
> I'm a bit confused by this. Is it now common practice to break out
> nodes in this way? I assume to counter mass indentation, but it's a bit
> alien to me.
>
> > +&palmas {
> > + palmas_pmic {
> > + ti,ldo6-vibrator;
> > +
> > + regulators {
> > + smps123_reg: smps123 {
> > + regulator-min-microvolt = < 600000>;
> > + regulator-max-microvolt = <1500000>;
> > + regulator-always-on;
> > + regulator-boot-on;
> > + };
>
> Are these all board specific, or are they shared with any other
> platform?
Yes. Hence moved all of them to board file as compared to my
Last approach when I had kept all of them under palmas.dtsi.
>
> > + smps45_reg: smps45 {
> > + regulator-min-microvolt = < 600000>;
> > + regulator-max-microvolt = <1310000>;
> > + regulator-always-on;
> > + regulator-boot-on;
> > + };
> > +
> > + smps6_reg: smps6 {
> > + regulator-min-microvolt = <1200000>;
> > + regulator-max-microvolt = <1200000>;
> > + regulator-always-on;
> > + regulator-boot-on;
> > + };
> > +
> > + smps7_reg: smps7 {
> > + regulator-min-microvolt = <1800000>;
> > + regulator-max-microvolt = <1800000>;
> > + regulator-always-on;
> > + regulator-boot-on;
> > + };
> > +
> > + smps8_reg: smps8 {
> > + regulator-min-microvolt = < 600000>;
> > + regulator-max-microvolt = <1310000>;
> > + regulator-always-on;
> > + regulator-boot-on;
> > + };
> > +
> > + smps9_reg: smps9 {
> > + regulator-min-microvolt = <2100000>;
> > + regulator-max-microvolt = <2100000>;
> > + regulator-always-on;
> > + regulator-boot-on;
> > + ti,smps-range = <0x80>;
> > + };
> > +
> > + smps10_reg: smps10 {
> > + regulator-min-microvolt = <5000000>;
> > + regulator-max-microvolt = <5000000>;
> > + regulator-always-on;
> > + regulator-boot-on;
> > + };
> > +
> > + ldo1_reg: ldo1 {
> > + regulator-min-microvolt = <2800000>;
> > + regulator-max-microvolt = <2800000>;
> > + regulator-always-on;
> > + regulator-boot-on;
> > + };
> > +
> > + ldo2_reg: ldo2 {
> > + regulator-min-microvolt = <2900000>;
> > + regulator-max-microvolt = <2900000>;
> > + regulator-always-on;
> > + regulator-boot-on;
> > + };
> > +
> > + ldo3_reg: ldo3 {
> > + regulator-min-microvolt = <3000000>;
> > + regulator-max-microvolt = <3000000>;
> > + regulator-always-on;
> > + regulator-boot-on;
> > + };
> > +
> > + ldo4_reg: ldo4 {
> > + regulator-min-microvolt = <2200000>;
> > + regulator-max-microvolt = <2200000>;
> > + regulator-always-on;
> > + regulator-boot-on;
> > + };
> > +
> > + ldo5_reg: ldo5 {
> > + regulator-min-microvolt = <1800000>;
> > + regulator-max-microvolt = <1800000>;
> > + regulator-always-on;
> > + regulator-boot-on;
> > + };
> > +
> > + ldo6_reg: ldo6 {
> > + regulator-min-microvolt = <1500000>;
> > + regulator-max-microvolt = <1500000>;
> > + regulator-always-on;
> > + regulator-boot-on;
> > + };
> > +
> > + ldo7_reg: ldo7 {
> > + regulator-min-microvolt = <1500000>;
> > + regulator-max-microvolt = <1500000>;
> > + regulator-always-on;
> > + regulator-boot-on;
> > + };
> > +
> > + ldo8_reg: ldo8 {
> > + regulator-min-microvolt = <1500000>;
> > + regulator-max-microvolt = <1500000>;
> > + regulator-always-on;
> > + regulator-boot-on;
> > + };
> > +
> > + ldo9_reg: ldo9 {
> > + regulator-min-microvolt = <1800000>;
> > + regulator-max-microvolt = <3300000>;
> > + regulator-always-on;
> > + regulator-boot-on;
> > + };
> > +
> > + ldoln_reg: ldoln {
> > + regulator-min-microvolt = <1800000>;
> > + regulator-max-microvolt = <1800000>;
> > + regulator-always-on;
> > + regulator-boot-on;
> > + };
> > +
> > + ldousb_reg: ldousb {
> > + regulator-min-microvolt = <3250000>;
> > + regulator-max-microvolt = <3250000>;
> > + regulator-always-on;
> > + regulator-boot-on;
> > + };
> > + };
> > + };
> > };
> >
> > &i2c5 {
>
> --
> Lee Jones
> Linaro ST-Ericsson Landing Team Lead
> Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook
> | Twitter | Blog
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