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

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Date:   Mon, 30 Oct 2023 16:14:04 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Raag Jadav <raag.jadav@...el.com>, linux-gpio@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Andy Shevchenko <andy@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>
Subject: [PATCH v1 1/1] pinctrl: tangier: Enable 910 Ohm bias

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;
 		}
-- 
2.40.0.1.gaa8946217a0b