From: Sam Shih <sam.shih@mediatek.com>
Date: Fri, 5 Mar 2021 02:22:19 +0000 (+0800)
Subject: pinctrl: mediatek: add get_pin_muxing ops for mediatek pinctrl
X-Git-Tag: v2025.01-rc5-pxa1908~1941^2~6^2~8
X-Git-Url: http://git.dujemihanovic.xyz/%22http:/www.sics.se/static/html/index.html?a=commitdiff_plain;h=e254d2c0a44183b9ec1da81578a7bb7d548bdf60;p=u-boot.git

pinctrl: mediatek: add get_pin_muxing ops for mediatek pinctrl

This patch add get_pin_muxing support for mediatek pinctrl drivers

Signed-off-by: Sam Shih <sam.shih@mediatek.com>
---

diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
index b700dd98bf..83c2104a7f 100644
--- a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
+++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
@@ -232,6 +232,19 @@ static int mtk_get_pins_count(struct udevice *dev)
 	return priv->soc->npins;
 }
 
+static int mtk_get_pin_muxing(struct udevice *dev, unsigned int selector,
+			      char *buf, int size)
+{
+	int val, err;
+
+	err = mtk_hw_get_value(dev, selector, PINCTRL_PIN_REG_MODE, &val);
+	if (err)
+		return err;
+
+	snprintf(buf, size, "Aux Func.%d", val);
+	return 0;
+}
+
 static const char *mtk_get_group_name(struct udevice *dev,
 				      unsigned int selector)
 {
@@ -512,6 +525,7 @@ static int mtk_pinconf_group_set(struct udevice *dev,
 const struct pinctrl_ops mtk_pinctrl_ops = {
 	.get_pins_count = mtk_get_pins_count,
 	.get_pin_name = mtk_get_pin_name,
+	.get_pin_muxing = mtk_get_pin_muxing,
 	.get_groups_count = mtk_get_groups_count,
 	.get_group_name = mtk_get_group_name,
 	.get_functions_count = mtk_get_functions_count,