linux-kernel - [PATCH 3/4] pinctrl: mediatek: Add debounce times for MT6878

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Message-Id: <20250908-mt6878-pinctrl-support-v1-3-3fb78c8ab4e8@mentallysanemainliners.org>
Date: Mon, 08 Sep 2025 21:17:57 +0200
From: Igor Belwon <igor.belwon@...tallysanemainliners.org>
To: Linus Walleij <linus.walleij@...aro.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Matthias Brugger <matthias.bgg@...il.com>, 
 AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>, 
 Sean Wang <sean.wang@...nel.org>
Cc: linux-gpio@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 linux-mediatek@...ts.infradead.org, 
 Igor Belwon <igor.belwon@...tallysanemainliners.org>
Subject: [PATCH 3/4] pinctrl: mediatek: Add debounce times for MT6878

MT6878 uses different debounce times than other SoCs. Add them to the
EINT driver.
---
 drivers/pinctrl/mediatek/mtk-eint.c | 5 +++++
 drivers/pinctrl/mediatek/mtk-eint.h | 1 +
 2 files changed, 6 insertions(+)

diff --git a/drivers/pinctrl/mediatek/mtk-eint.c b/drivers/pinctrl/mediatek/mtk-eint.c
index 9f175c73613f84b47c0160947f32da7aca7d5a18..c8c5097c11c4d14eb41bdd7f9cb93b4a5756d2b2 100644
--- a/drivers/pinctrl/mediatek/mtk-eint.c
+++ b/drivers/pinctrl/mediatek/mtk-eint.c
@@ -66,6 +66,11 @@ const unsigned int debounce_time_mt6795[] = {
 };
 EXPORT_SYMBOL_GPL(debounce_time_mt6795);
 
+const unsigned int debounce_time_mt6878[] = {
+	156, 313, 625, 1250, 20000, 40000, 80000, 160000, 320000, 640000, 0
+};
+EXPORT_SYMBOL_GPL(debounce_time_mt6878);
+
 static void __iomem *mtk_eint_get_offset(struct mtk_eint *eint,
 					 unsigned int eint_num,
 					 unsigned int offset)
diff --git a/drivers/pinctrl/mediatek/mtk-eint.h b/drivers/pinctrl/mediatek/mtk-eint.h
index fc31a4c0c77bf28b106943e9292d0dcc425c4922..3cdd6f6310cd0da5aa74623c5f1dbe8f8495d689 100644
--- a/drivers/pinctrl/mediatek/mtk-eint.h
+++ b/drivers/pinctrl/mediatek/mtk-eint.h
@@ -52,6 +52,7 @@ struct mtk_eint_pin {
 extern const unsigned int debounce_time_mt2701[];
 extern const unsigned int debounce_time_mt6765[];
 extern const unsigned int debounce_time_mt6795[];
+extern const unsigned int debounce_time_mt6878[];
 
 struct mtk_eint;
 

-- 
2.51.0