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

From: Pramod Gurav
Date: Tue Oct 21 2014 - 01:49:56 EST


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@xxxxxxxxxx>
Cc: Pawel Moll <pawel.moll@xxxxxxx>
Cc: Mark Rutland <mark.rutland@xxxxxxx>
Cc: Ian Campbell <ijc+devicetree@xxxxxxxxxxxxxx>
Cc: Kumar Gala <galak@xxxxxxxxxxxxxx>
Cc: Russell King <linux@xxxxxxxxxxxxxxxx>
Cc: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>

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

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@12440000 {
@@ -49,6 +58,9 @@
/* External micro SD card */
sdcc3: sdcc@12180000 {
status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&card_detect>;
+ cd-gpios = <&tlmm_pinmux 26 GPIO_ACTIVE_LOW>;
};
/* WLAN */
sdcc4: sdcc@121c0000 {
--
1.7.9.5

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