linux-kernel - Re: [PATCH 1/2] ARM: dts: tegra: Header file for pinctrl constants

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Date:	Tue, 03 Dec 2013 13:05:41 -0700
From:	Stephen Warren <swarren@...dotorg.org>
To:	Laxman Dewangan <ldewangan@...dia.com>, rob.herring@...xeda.com
CC:	pawel.moll@....com, mark.rutland@....com,
	ijc+devicetree@...lion.org.uk, linux@....linux.org.uk,
	thierry.reding@...il.com, devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-tegra@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] ARM: dts: tegra: Header file for pinctrl constants

On 12/02/2013 06:55 AM, Laxman Dewangan wrote:
> Defines pincontrol constants to use from Tegra's DTS file
> for tegra pincontrol properties option.

> diff --git a/include/dt-bindings/pinctrl/pinctrl-tegra.h b/include/dt-bindings/pinctrl/pinctrl-tegra.h

> +/* Tristate/normal */
> +#define TEGRA_PIN_NORMAL				0
> +#define TEGRA_PIN_TRISTATE				1

"NORMAL" is a bit generic. "DRIVEN" might work better.

> +/* High speed mode */
> +#define TEGRA_PIN_DRIVE_HIGH_SPEED_MODE_DISABLE		0
> +#define TEGRA_PIN_DRIVE_HIGH_SPEED_MODE_ENABLE		1
> +
> +/* Schmitt enable/disable */
> +#define TEGRA_PIN_DRIVE_SCHMITT_DISABLE			0
> +#define TEGRA_PIN_DRIVE_SCHMITT_ENABLE			1

I expect you can remove "DRIVE_" from all those names to make things
shorter.
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