RE: [PATCH 2/2] ARM: dts: OMAP5: add palmas node and omap specific palmas regulator properties

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Hello Lee Jones,

> -----Original Message-----
> From: Lee Jones [mailto:lee.jones@xxxxxxxxxx]
> Sent: Monday, June 10, 2013 1:42 PM
> To: J, KEERTHY
> Cc: Cousson, Benoit; devicetree-discuss@xxxxxxxxxxxxxxxx; linux-
> omap@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx;
> ldewangan@xxxxxxxxxx; grant.likely@xxxxxxxxxxxx; swarren@xxxxxxxxxxxxx;
> swarren@xxxxxxxxxx; sameo@xxxxxxxxxxxxxxx; gg@xxxxxxxxxxxxxxx
> 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@xxxxxx>
> > ---
> >  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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