ARM: dts: add mmc detect gpio for exynos5422-odroidxu3/4

The patch adds gpio for detecting presence of MMC card.
It fixes issue with kernel hang when MMC card is missing
and prevents flooding kernel log with mmc bus parameters.

Change-Id: I6eca44d9942c9f5958dba68a98ea25f2809ed20d
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Łukasz Stelmach <l.stelmach@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
Origin: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=fb1aeedb61adcb7651eada9eb79ddfa11f21f085

diff --git a/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi b/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi
index fd4949f..47257a7 100644 (file)
--- a/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi
+++ b/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi
@@ -11,6 +11,7 @@
 */
 
 #include <dt-bindings/clock/samsung,s2mps11.h>
+#include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/interrupt-controller/irq.h>
 #include <dt-bindings/sound/samsung-i2s.h>
 #include "exynos5800.dtsi"
@@ -433,7 +434,7 @@
 &mmc_0 {
        status = "okay";
        mmc-pwrseq = <&emmc_pwrseq>;
-       broken-cd;
+       cd-gpios = <&gpc0 2 GPIO_ACTIVE_LOW>;
        card-detect-delay = <200>;
        samsung,dw-mshc-ciu-div = <3>;
        samsung,dw-mshc-sdr-timing = <0 4>;
@@ -442,6 +443,7 @@
        samsung,read-strobe-delay = <90>;
        pinctrl-names = "default";
        pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_bus1 &sd0_bus4 &sd0_bus8 &sd0_rclk>;
+       pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_bus1 &sd0_bus4 &sd0_bus8 &sd0_rclk &sd0_cd>;
        bus-width = <8>;
        cap-mmc-highspeed;
        mmc-hs200-1_8v;