[PATCH 1/2] pinctrl: tegra: add support for rcv-sel and drive type

Linus Walleij linus.walleij at linaro.org
Thu Jan 17 19:30:15 EST 2013


On Sat, Jan 5, 2013 at 1:02 PM, Laxman Dewangan <ldewangan at nvidia.com> wrote:

> From: Pritesh Raithatha <praithatha at nvidia.com>
>
> NVIDIA's Tegra114 added two more configuration parameter in pinmux i.e.
> rcv-sel and drive type.
>
> rcv-sel: Select between High and Normal VIL/VIH receivers.
>         RCVR_SEL=1: High VIL/VIH
>         RCVR_SEL=0: Normal VIL/VIH
>
> drv_type: Ouptput drive type:
>         33-50 ohm driver: 0x1
>         66-100ohm driver: 0x0
>
> Add support of these parameters to be configure from DTS file.
>
> Tegra20 and Tegra30 does not support this configuration and hence initialize their
> pinmux structure with reg = -1.
>
> Originally written by Pritesh Raithatha.
> Changes by ldewangan:
>         - remove drvtype_width as it is always 2.
>         - Better describe the change.
>
> Signed-off-by: Pritesh Raithatha <praithatha at nvidia.com>
> Signed-off-by: Laxman Dewangan <ldewangan at nvidia.com>

Stephen, can you look at this patch?

Authors: you need Stephen's ACK on this.

Yours,
Linus Walleij


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