[U-Boot] [PATCH v1 1/5] apalis/colibri_t30: add comment about tristate and input vs. output pinmuxing

[Igor Opaniuk]

On Thu, Sep 12, 2019 at 12:13 PM Marcel Ziswiler <marcel at ziswiler.com> wrote:
>
> From: Marcel Ziswiler <marcel.ziswiler at toradex.com>
>
> Add pinmuxing comment stating that TRISTATE means the output driver is
> tri-stated and INPUT means the input driver is enabled vs. OUTPUT where
> it is disabled.
>
> Signed-off-by: Marcel Ziswiler <marcel.ziswiler at toradex.com>
>
> ---
>
>  board/toradex/apalis_t30/pinmux-config-apalis_t30.h   | 2 ++
>  board/toradex/colibri_t30/pinmux-config-colibri_t30.h | 2 ++
>  2 files changed, 4 insertions(+)
>
> diff --git a/board/toradex/apalis_t30/pinmux-config-apalis_t30.h b/board/toradex/apalis_t30/pinmux-config-apalis_t30.h
> index 49c2df7ab2..8d6696aaad 100644
> --- a/board/toradex/apalis_t30/pinmux-config-apalis_t30.h
> +++ b/board/toradex/apalis_t30/pinmux-config-apalis_t30.h
> @@ -11,7 +11,9 @@
>                 .pingrp         = PMUX_PINGRP_##_pingrp,        \
>                 .func           = PMUX_FUNC_##_mux,             \
>                 .pull           = PMUX_PULL_##_pull,            \
> +/* TRISTATE here means output driver is tri-stated */ \
>                 .tristate       = PMUX_TRI_##_tri,              \
> +/* INPUT here means input driver is enabled vs. OUTPUT where it is disabled */ \
>                 .io             = PMUX_PIN_##_io,               \
>                 .lock           = PMUX_PIN_LOCK_DEFAULT,        \
>                 .od             = PMUX_PIN_OD_DEFAULT,          \
> diff --git a/board/toradex/colibri_t30/pinmux-config-colibri_t30.h b/board/toradex/colibri_t30/pinmux-config-colibri_t30.h
> index bdbbf5e49a..6181b506a4 100644
> --- a/board/toradex/colibri_t30/pinmux-config-colibri_t30.h
> +++ b/board/toradex/colibri_t30/pinmux-config-colibri_t30.h
> @@ -11,7 +11,9 @@
>                 .pingrp         = PMUX_PINGRP_##_pingrp,        \
>                 .func           = PMUX_FUNC_##_mux,             \
>                 .pull           = PMUX_PULL_##_pull,            \
> +/* TRISTATE here means output driver is tri-stated */ \
>                 .tristate       = PMUX_TRI_##_tri,              \
> +/* INPUT here means input driver is enabled vs. OUTPUT where it is disabled */ \
>                 .io             = PMUX_PIN_##_io,               \
>                 .lock           = PMUX_PIN_LOCK_DEFAULT,        \
>                 .od             = PMUX_PIN_OD_DEFAULT,          \
> --
> 2.21.0
>
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Reviewed-by: Igor Opaniuk <igor.opaniuk at toradex.com>

-- 
Best regards - Freundliche Grüsse - Meilleures salutations

Igor Opaniuk

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