linux-kernel - Re: [PATCH] pinctrl: tegra: Add support to display pin function

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Date:   Wed, 12 Jul 2023 17:05:41 +0200
From:   Thierry Reding <thierry.reding@...il.com>
To:     Prathamesh Shete <pshete@...dia.com>
Cc:     linus.walleij@...aro.org, jonathanh@...dia.com,
        linux-gpio@...r.kernel.org, linux-tegra@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] pinctrl: tegra: Add support to display pin function

On Wed, Jul 12, 2023 at 07:25:53PM +0530, Prathamesh Shete wrote:
> The current function for a given pin is not displayed via the debugfs.
> Add support to display the current function that is set for each pin.
> 
> Signed-off-by: Prathamesh Shete <pshete@...dia.com>
> ---
>  drivers/pinctrl/tegra/pinctrl-tegra.c | 19 +++++++++++++++++--
>  drivers/pinctrl/tegra/pinctrl-tegra.h |  2 ++
>  2 files changed, 19 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/pinctrl/tegra/pinctrl-tegra.c b/drivers/pinctrl/tegra/pinctrl-tegra.c
> index 4547cf66d03b..2752c914f628 100644
> --- a/drivers/pinctrl/tegra/pinctrl-tegra.c
> +++ b/drivers/pinctrl/tegra/pinctrl-tegra.c
> @@ -96,6 +96,7 @@ static const struct cfg_param {
>  	{"nvidia,slew-rate-falling",	TEGRA_PINCONF_PARAM_SLEW_RATE_FALLING},
>  	{"nvidia,slew-rate-rising",	TEGRA_PINCONF_PARAM_SLEW_RATE_RISING},
>  	{"nvidia,drive-type",		TEGRA_PINCONF_PARAM_DRIVE_TYPE},
> +	{"nvidia,func",			TEGRA_PINCONF_PARAM_FUNCTION},

Device tree bindings define the "nvidia,function" property to contain
this information, so shouldn't we use the same name here?

Thierry

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