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From ca73da39ff0c9f599f75d7ccac0196030aa946b9 Mon Sep 17 00:00:00 2001
From: Sam Shih <sam.shih@mediatek.com>
Date: Thu, 17 Dec 2020 19:32:48 +0800
Subject: [PATCH 04/21] 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>
---
 drivers/pinctrl/mediatek/pinctrl-mtk-common.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

--- 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 ude
 	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
 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,