Re: [PATCH] ARM: dts: imx6qdl-udoo: disable AC'97 input pins pad drivers

2017-11-28 Thread Shawn Guo
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.

[PATCH] ARM: dts: imx6qdl-udoo: disable AC'97 input pins pad drivers

2017-11-20 Thread Maciej S. Szmigiero
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 t