ARM: dts: bcm2837: Fix polarity of wifi reset GPIOs

commit e25b6783c7b1bb79103d4617336879423f86b05e upstream.

The commit b1b8f45b ("ARM: dts: bcm2837: Add missing GPIOs of Expander")
introduced a wifi power sequence. Unfortunately the polarity of the reset
GPIOs were wrong and broke the wifi support on Raspberry Pi 3 B and
later in 3 B+. This wasn't discovered before since the power sequence
takes only effect in case the relevant MMC driver is compiled as a module.

Fixes: b1b8f45b ("ARM: dts: bcm2837: Add missing GPIOs of Expander")
Cc: stable@vger.kernel.org
Reported-by: NMatthias Lueschner <lueschem@gmail.com>
Link: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=911443Signed-off-by: NStefan Wahren <stefan.wahren@i2se.com>
Reviewed-by: NEric Anholt <eric@anholt.net>
Signed-off-by: NFlorian Fainelli <f.fainelli@gmail.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

arch/arm/boot/dts/bcm2837-rpi-3-b-plus.dts

@@ -31,7 +31,7 @@
 
 	wifi_pwrseq: wifi-pwrseq {
 		compatible = "mmc-pwrseq-simple";
-		reset-gpios = <&expgpio 1 GPIO_ACTIVE_HIGH>;
+		reset-gpios = <&expgpio 1 GPIO_ACTIVE_LOW>;
 	};
 };
 

arch/arm/boot/dts/bcm2837-rpi-3-b.dts

@@ -26,7 +26,7 @@
 
 	wifi_pwrseq: wifi-pwrseq {
 		compatible = "mmc-pwrseq-simple";
-		reset-gpios = <&expgpio 1 GPIO_ACTIVE_HIGH>;
+		reset-gpios = <&expgpio 1 GPIO_ACTIVE_LOW>;
 	};
 };