linux-kernel - Re: [PATCH] ARM: tegra: enable palmas device for dalmore

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Date:	Tue, 09 Jul 2013 10:57:36 -0600
From:	Stephen Warren <swarren@...dotorg.org>
To:	Laxman Dewangan <ldewangan@...dia.com>
CC:	linux-arm-kernel@...ts.infradead.org, linux-tegra@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ARM: tegra: enable palmas device for dalmore

On 07/08/2013 07:38 AM, Laxman Dewangan wrote:
> Make the entry of Dalmore Power Management Unit device TPS65913
> in dalmore DTS file. The Palma driver support this device.
> 
> Enable following submodule of the TPS65913:
> - GPIO driver
> - RTC driver.
> - Power regulator driver.

> diff --git a/arch/arm/boot/dts/tegra114-dalmore.dts b/arch/arm/boot/dts/tegra114-dalmore.dts

> +		palmas: tps65913@58 {

I assume there's only one TPS65913 in the system, so that node name
doesn't need to contain the unit address to make it unique; the node can
simply be named "tps65913".

> +			palmas_gpio: palmas_gpio {
> +			palmas_rtc {
> +			palmas_pmic {

I don't think those node names need "palmas" in them; they can simply be
"gpio", "rtc", "pmic".


> +			    ldousb-in-supply = <&tps65090_dcdc1_reg>;
> +			    regulators {

You'd usually leave a blank line between properties and nodes.

> +		vdd_cam_1v8_reg: regulator@6 {
...
> +			gpio = <&palmas_gpio 6 0>; /* Palmas GPIO6 */

That comment probably isn't worthwhile; I only insisted on them for
Tegra GPIOs so that the GPIO name could be included somewhere, whereas
for devices with just a small handful of GPIOs without any other names,
there's no point putting a comment, since it's obvious from the cell
content.
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