linux-kernel - [PATCH AUTOSEL 5.6 308/606] ARM: dts: bcm2835-rpi-zero-w: Fix led polarity

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Date:   Mon,  8 Jun 2020 19:07:13 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Vincent Stehlé <vincent.stehle@...oste.net>,
        Stefan Wahren <stefan.wahren@...e.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Sasha Levin <sashal@...nel.org>, devicetree@...r.kernel.org,
        bcm-kernel-feedback-list@...adcom.com,
        linux-rpi-kernel@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org
Subject: [PATCH AUTOSEL 5.6 308/606] ARM: dts: bcm2835-rpi-zero-w: Fix led polarity

From: Vincent Stehlé <vincent.stehle@...oste.net>

[ Upstream commit 58bb90ab415562eededb932455046924e65df342 ]

The status "ACT" led on the Raspberry Pi Zero W is on when GPIO 47 is low.

This has been verified on a board and somewhat confirmed by both the GPIO
name ("STATUS_LED_N") and the reduced schematics [1].

[1]: https://www.raspberrypi.org/documentation/hardware/raspberrypi/schematics/rpi_SCH_ZeroW_1p1_reduced.pdf

Fixes: 2c7c040c73e9 ("ARM: dts: bcm2835: Add Raspberry Pi Zero W")
Signed-off-by: Vincent Stehlé <vincent.stehle@...oste.net>
Cc: Stefan Wahren <stefan.wahren@...e.com>
Cc: Florian Fainelli <f.fainelli@...il.com>
Tested-by: Stefan Wahren <stefan.wahren@...e.com>
Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 arch/arm/boot/dts/bcm2835-rpi-zero-w.dts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/bcm2835-rpi-zero-w.dts b/arch/arm/boot/dts/bcm2835-rpi-zero-w.dts
index 4c3f606e5b8d..f65448c01e31 100644
--- a/arch/arm/boot/dts/bcm2835-rpi-zero-w.dts
+++ b/arch/arm/boot/dts/bcm2835-rpi-zero-w.dts
@@ -24,7 +24,7 @@ chosen {
 
 	leds {
 		act {
-			gpios = <&gpio 47 GPIO_ACTIVE_HIGH>;
+			gpios = <&gpio 47 GPIO_ACTIVE_LOW>;
 		};
 	};
 
-- 
2.25.1