From: Łukasz Stelmach <l.stelmach@samsung.com>
Date: Thu, 6 Oct 2016 14:42:34 +0000 (+0200)
Subject: ARM: dts: add mmc detect gpio for exynos5422-odroidxu3/4
X-Git-Tag: submit/tizen/20161010.025055^0
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=refs%2Fchanges%2F01%2F91301%2F3;p=platform%2Fkernel%2Flinux-exynos.git

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 fd4949ffaa21..47257a7465fa 100644
--- 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;