ARM: dts: fix T-FLASH hotplug detection for exynos4412-odroid-common

TFLASH (SDHCI2 controller) uses internal card detect line, but it looks
that the driver fails to operate it properly. Use GPIO interrupt on
SD_CDn line for detecting SD card state.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi b/arch/arm/boot/dts/exynos4412-odroid-common.dtsi
index d1b33a8efa9d..0bc1a9b94f47 100644
--- a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi
+++ b/arch/arm/boot/dts/exynos4412-odroid-common.dtsi
@@ -91,6 +91,8 @@
                 pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_cd &sd2_bus4>;
                 pinctrl-names = "default";
                 vmmc-supply = <&ldo4_reg &ldo21_reg>;
+                cd-gpios = <&gpk2 2 0>;
+                cd-inverted;
                 status = "okay";
         };