linux-kernel - [PATCH v2] ARM: DT: apq8064: Add Support for SD Card Detect for ifc6410 board

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Date:	Tue, 21 Oct 2014 11:23:19 +0530
From:	Pramod Gurav <pramod.gurav@...rtplayin.com>
To:	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	devicetree@...r.kernel.org, linux-arm-msm@...r.kernel.org
Cc:	Pramod Gurav <pramod.gurav@...rtplayin.com>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Russell King <linux@....linux.org.uk>,
	Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Subject: [PATCH v2] ARM: DT: apq8064: Add Support for SD Card Detect for ifc6410 board

This changes muxes in gpio26 pin to function as gpio and adds support
for sd card detect for apq8064 based IFC6410 board.

Cc: Rob Herring <robh+dt@...nel.org>
Cc: Pawel Moll <pawel.moll@....com>
Cc: Mark Rutland <mark.rutland@....com>
Cc: Ian Campbell <ijc+devicetree@...lion.org.uk>
Cc: Kumar Gala <galak@...eaurora.org>
Cc: Russell King <linux@....linux.org.uk>
Cc: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>

Signed-off-by: Pramod Gurav <pramod.gurav@...rtplayin.com>
---

Changes since v2:
 - Replaced hardcode value with GPIO_ACTIVE_LOW

 arch/arm/boot/dts/qcom-apq8064-ifc6410.dts |   12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/arch/arm/boot/dts/qcom-apq8064-ifc6410.dts b/arch/arm/boot/dts/qcom-apq8064-ifc6410.dts
index b396c83..e641001 100644
--- a/arch/arm/boot/dts/qcom-apq8064-ifc6410.dts
+++ b/arch/arm/boot/dts/qcom-apq8064-ifc6410.dts
@@ -1,4 +1,5 @@
 #include "qcom-apq8064-v2.0.dtsi"
+#include <dt-bindings/gpio/gpio.h>
 
 / {
 	model = "Qualcomm APQ8064/IFC6410";
@@ -12,6 +13,14 @@
 					function = "gsbi1";
 				};
 			};
+
+			card_detect: card_detect {
+				mux {
+					pins = "gpio26";
+					function = "gpio";
+					bias-disable;
+				};
+			};
 		};
 
 		gsbi@...40000 {
@@ -49,6 +58,9 @@
 			/* External micro SD card */
 			sdcc3: sdcc@...80000 {
 				status = "okay";
+				pinctrl-names	= "default";
+				pinctrl-0	= <&card_detect>;
+				cd-gpios	= <&tlmm_pinmux 26 GPIO_ACTIVE_LOW>;
 			};
 			/* WLAN */
 			sdcc4: sdcc@...c0000 {
-- 
1.7.9.5

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