linux-kernel - Re: [PATCH v1 1/1] pinctrl: tangier: Enable 910 Ohm bias

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Message-ID: <ZUAhqX-3O6QcoWMZ@black.fi.intel.com>
Date:   Mon, 30 Oct 2023 23:35:37 +0200
From:   Raag Jadav <raag.jadav@...el.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Andy Shevchenko <andy@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>
Subject: Re: [PATCH v1 1/1] pinctrl: tangier: Enable 910 Ohm bias

On Mon, Oct 30, 2023 at 04:14:04PM +0200, Andy Shevchenko wrote:
> Family 7 (I2C) supports special bias value, i.e. 910 Ohm.
> 
> Enable it for configuring pin.
> 
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> ---
>  drivers/pinctrl/intel/pinctrl-tangier.c | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/drivers/pinctrl/intel/pinctrl-tangier.c b/drivers/pinctrl/intel/pinctrl-tangier.c
> index 40dd60c9e526..007bca1cf224 100644
> --- a/drivers/pinctrl/intel/pinctrl-tangier.c
> +++ b/drivers/pinctrl/intel/pinctrl-tangier.c
> @@ -382,6 +382,9 @@ static int tng_config_set_pin(struct tng_pinctrl *tp, unsigned int pin,
>  		case 2000:
>  			term = BUFCFG_PUPD_VAL_2K;
>  			break;
> +		case 910:
> +			term = BUFCFG_PUPD_VAL_910;
> +			break;
>  		default:
>  			return -EINVAL;
>  		}
> @@ -405,6 +408,9 @@ static int tng_config_set_pin(struct tng_pinctrl *tp, unsigned int pin,
>  		case 2000:
>  			term = BUFCFG_PUPD_VAL_2K;
>  			break;
> +		case 910:
> +			term = BUFCFG_PUPD_VAL_910;
> +			break;
>  		default:
>  			return -EINVAL;
>  		}

Ah, I failed to notice this was already preset in the getter.

Looks good,
Raag