[PATCH] ARM: Tegra: Trimslice: Tri-state DAP2 pinmux

Thierry Reding thierry.reding at avionic-design.de
Wed Jul 13 14:00:58 EDT 2011


* Stephen Warren wrote:
> DAP2 is used for a bunch of GPIOs. Not tri-stating the pins means audio
> signals get sent out there, and this ends up resetting USB and breaking
> SDHCI too.
[...]
> diff --git a/arch/arm/mach-tegra/board-trimslice-pinmux.c b/arch/arm/mach-tegra/board-trimslice-pinmux.c
> index 82646a4..47c596c 100644
> --- a/arch/arm/mach-tegra/board-trimslice-pinmux.c
> +++ b/arch/arm/mach-tegra/board-trimslice-pinmux.c
> @@ -35,7 +35,7 @@ static __initdata struct tegra_pingroup_config trimslice_pinmux[] = {
>  	{TEGRA_PINGROUP_CSUS,  TEGRA_MUX_VI_SENSOR_CLK, TEGRA_PUPD_PULL_DOWN,   TEGRA_TRI_TRISTATE},
>  	{TEGRA_PINGROUP_DAP1,  TEGRA_MUX_DAP1,          TEGRA_PUPD_NORMAL,      TEGRA_TRI_NORMAL},
>  	{TEGRA_PINGROUP_DAP2,  TEGRA_MUX_DAP2,          TEGRA_PUPD_NORMAL,      TEGRA_TRI_TRISTATE},
> -	{TEGRA_PINGROUP_DAP3,  TEGRA_MUX_DAP3,          TEGRA_PUPD_NORMAL,      TEGRA_TRI_NORMAL},
> +	{TEGRA_PINGROUP_DAP3,  TEGRA_MUX_DAP3,          TEGRA_PUPD_NORMAL,      TEGRA_TRI_TRISTATE},
                        ^^^^

The patch subject and description say that DAP2 is tristated, not DAP3.

Thierry
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