linux-kernel - [RESEND PATCH] ARM: dts: bcm28155-ap: Fix Card Detection GPIO

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Date:	Thu, 5 Dec 2013 13:51:44 -0800
From:	Tim Kryger <tim.kryger@...aro.org>
To:	Christian Daudt <bcm@...thebug.org>,
	Rob Herring <rob.herring@...xeda.com>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Stephen Warren <swarren@...dotorg.org>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>
CC:	Tim Kryger <tim.kryger@...aro.org>,
	Broadcom Kernel Feedback List 
	<bcm-kernel-feedback-list@...adcom.com>,
	Device Tree List <devicetree@...r.kernel.org>,
	Linux Arm Kernel List <linux-arm-kernel@...ts.infradead.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Linaro Patches <patches@...aro.org>
Subject: [RESEND PATCH] ARM: dts: bcm28155-ap: Fix Card Detection GPIO

The board schematic states that the "SD_CARD_DET_N gets pulled to GND
when card is inserted" so the polarity has been updated to active low.

Polarity is now specified with a GPIO define instead of a magic number.

Signed-off-by: Tim Kryger <tim.kryger@...aro.org>
Reviewed-by: Matt Porter <matt.porter@...aro.org>
---
 arch/arm/boot/dts/bcm28155-ap.dts | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/bcm28155-ap.dts b/arch/arm/boot/dts/bcm28155-ap.dts
index 08e47c2..27dd110 100644
--- a/arch/arm/boot/dts/bcm28155-ap.dts
+++ b/arch/arm/boot/dts/bcm28155-ap.dts
@@ -13,6 +13,8 @@
 
 /dts-v1/;
 
+#include <dt-bindings/gpio/gpio.h>
+
 #include "bcm11351.dtsi"
 
 / {
@@ -40,7 +42,7 @@
 
 	sdio4: sdio@...b0000 {
 		max-frequency = <48000000>;
-		cd-gpios = <&gpio 14 0>;
+		cd-gpios = <&gpio 14 GPIO_ACTIVE_LOW>;
 		status = "okay";
 	};
 };
-- 
1.8.0.1

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