From: shawnguo@kernel.org (Shawn Guo)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: dts: imx6qdl-udoo: disable AC'97 input pins pad drivers
Date: Wed, 29 Nov 2017 11:11:08 +0800 [thread overview]
Message-ID: <20171129031107.GC9376@dragon> (raw)
In-Reply-To: <94862a4d-bec5-cf19-95e6-512d88dd07dc@maciej.szmigiero.name>
On Mon, Nov 20, 2017 at 08:08:30PM +0100, Maciej S. Szmigiero wrote:
> AC'97 interface RXD and TXC pins are only used as SoC inputs, let's disable
> pad drivers for them so we will be protected if, for example, TCLKDIR is
> set by mistake in AUDMUX and causes TXC pin to be configured as an output.
>
> This also changes pull direction on these pins from pull-up to pull-down
> to match what the board AC'97 CODEC chip (VT1613) has on these pins.
>
> Signed-off-by: Maciej S. Szmigiero <mail@maciej.szmigiero.name>
Applied, thanks.
WARNING: multiple messages have this Message-ID (diff)
From: Shawn Guo <shawnguo-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
To: "Maciej S. Szmigiero"
<mail-APzI5cXaD1zVlRWJc41N0YvC60bnQu0Y@public.gmane.org>
Cc: Sascha Hauer <kernel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>,
Fabio Estevam <fabio.estevam-3arQi8VN3Tc@public.gmane.org>,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Subject: Re: [PATCH] ARM: dts: imx6qdl-udoo: disable AC'97 input pins pad drivers
Date: Wed, 29 Nov 2017 11:11:08 +0800 [thread overview]
Message-ID: <20171129031107.GC9376@dragon> (raw)
In-Reply-To: <94862a4d-bec5-cf19-95e6-512d88dd07dc-APzI5cXaD1zVlRWJc41N0YvC60bnQu0Y@public.gmane.org>
On Mon, Nov 20, 2017 at 08:08:30PM +0100, Maciej S. Szmigiero wrote:
> AC'97 interface RXD and TXC pins are only used as SoC inputs, let's disable
> pad drivers for them so we will be protected if, for example, TCLKDIR is
> set by mistake in AUDMUX and causes TXC pin to be configured as an output.
>
> This also changes pull direction on these pins from pull-up to pull-down
> to match what the board AC'97 CODEC chip (VT1613) has on these pins.
>
> Signed-off-by: Maciej S. Szmigiero <mail-APzI5cXaD1zVlRWJc41N0YvC60bnQu0Y@public.gmane.org>
Applied, thanks.
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WARNING: multiple messages have this Message-ID (diff)
From: Shawn Guo <shawnguo@kernel.org>
To: "Maciej S. Szmigiero" <mail@maciej.szmigiero.name>
Cc: Sascha Hauer <kernel@pengutronix.de>,
Fabio Estevam <fabio.estevam@nxp.com>,
devicetree@vger.kernel.org,
linux-kernel <linux-kernel@vger.kernel.org>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] ARM: dts: imx6qdl-udoo: disable AC'97 input pins pad drivers
Date: Wed, 29 Nov 2017 11:11:08 +0800 [thread overview]
Message-ID: <20171129031107.GC9376@dragon> (raw)
In-Reply-To: <94862a4d-bec5-cf19-95e6-512d88dd07dc@maciej.szmigiero.name>
On Mon, Nov 20, 2017 at 08:08:30PM +0100, Maciej S. Szmigiero wrote:
> AC'97 interface RXD and TXC pins are only used as SoC inputs, let's disable
> pad drivers for them so we will be protected if, for example, TCLKDIR is
> set by mistake in AUDMUX and causes TXC pin to be configured as an output.
>
> This also changes pull direction on these pins from pull-up to pull-down
> to match what the board AC'97 CODEC chip (VT1613) has on these pins.
>
> Signed-off-by: Maciej S. Szmigiero <mail@maciej.szmigiero.name>
Applied, thanks.
next prev parent reply other threads:[~2017-11-29 3:11 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-20 19:08 [PATCH] ARM: dts: imx6qdl-udoo: disable AC'97 input pins pad drivers Maciej S. Szmigiero
2017-11-20 19:08 ` Maciej S. Szmigiero
2017-11-29 3:11 ` Shawn Guo [this message]
2017-11-29 3:11 ` Shawn Guo
2017-11-29 3:11 ` Shawn Guo
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