From: maxime.ripard@free-electrons.com (Maxime Ripard)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 1/3] pinctrl: sunxi: Fix PIN_CONFIG_BIAS_PULL_{DOWN,UP} argument
Date: Fri, 11 Nov 2016 09:34:37 +0100 [thread overview]
Message-ID: <20161111083437.i3iotrwpjvpzmi2h@lukather> (raw)
In-Reply-To: <20161111024455.16883-2-wens@csie.org>
On Fri, Nov 11, 2016 at 10:44:53AM +0800, Chen-Yu Tsai wrote:
> According to pinconf-generic.h, the argument for
> PIN_CONFIG_BIAS_PULL_{DOWN,UP} is non-zero if the bias is enabled
> with a pull up/down resistor, zero if it is directly connected
> to VDD or ground.
>
> Since Allwinner hardware uses a weak pull resistor internally,
> the argument should be 1.
>
> Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Thanks!
Maxime
--
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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next prev parent reply other threads:[~2016-11-11 8:34 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-11 2:44 [PATCH v2 0/3] pinctrl: sunxi: Support generic pinconf functions Chen-Yu Tsai
2016-11-11 2:44 ` [PATCH v2 1/3] pinctrl: sunxi: Fix PIN_CONFIG_BIAS_PULL_{DOWN, UP} argument Chen-Yu Tsai
2016-11-11 8:34 ` Maxime Ripard [this message]
2016-11-15 9:16 ` Linus Walleij
2016-11-11 2:44 ` [PATCH v2 2/3] pinctrl: sunxi: Add support for fetching pinconf settings from hardware Chen-Yu Tsai
2016-11-11 8:36 ` Maxime Ripard
2016-11-11 8:39 ` Chen-Yu Tsai
2016-11-11 2:44 ` [PATCH v2 3/3] pinctrl: sunxi: Make sunxi_pconf_group_set use sunxi_pconf_reg helper Chen-Yu Tsai
2016-11-11 8:38 ` Maxime Ripard
2016-11-11 8:45 ` Chen-Yu Tsai
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