linux-kernel - [PATCH 4.19 193/243] ARM: dts: am335x-pdu001: Fix polarity of card detection input

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Message-Id: <20191211150352.200993376@linuxfoundation.org>
Date:   Wed, 11 Dec 2019 16:05:55 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Felix Brack <fb@...c.ch>,
        Tony Lindgren <tony@...mide.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.19 193/243] ARM: dts: am335x-pdu001: Fix polarity of card detection input

From: Felix Brack <fb@...c.ch>

[ Upstream commit 5760367298a37c459ef0b1364463d70fd9a1f972 ]

When a micro SD card is inserted in the PDU001 card cage, the card
detection switch is opened and the corresponding GPIO input is driven
by a pull-up. Hence change the active level of the card detection
input from low to high.

Signed-off-by: Felix Brack <fb@...c.ch>
Signed-off-by: Tony Lindgren <tony@...mide.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 arch/arm/boot/dts/am335x-pdu001.dts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/am335x-pdu001.dts b/arch/arm/boot/dts/am335x-pdu001.dts
index 34fb63ef420f5..f56798efddff3 100644
--- a/arch/arm/boot/dts/am335x-pdu001.dts
+++ b/arch/arm/boot/dts/am335x-pdu001.dts
@@ -577,7 +577,7 @@
 	bus-width = <4>;
 	pinctrl-names = "default";
 	pinctrl-0 = <&mmc2_pins>;
-	cd-gpios = <&gpio2 2 GPIO_ACTIVE_LOW>;
+	cd-gpios = <&gpio2 2 GPIO_ACTIVE_HIGH>;
 };
 
 &sham {
-- 
2.20.1