This patch adds reset-gpios property to the eMMC slot, so the MMC driver
is able to properly reset eMMC card on system restart and thus fixes
system hang on software reboot.
Signed-off-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
---
arch/arm/boot/dts/exynos5422-odroidxu3.dts | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/arch/arm/boot/dts/exynos5422-odroidxu3.dts b/arch/arm/boot/dts/exynos5422-odroidxu3.dts
index a519c863248d..790fb4ce295d 100644
--- a/arch/arm/boot/dts/exynos5422-odroidxu3.dts
+++ b/arch/arm/boot/dts/exynos5422-odroidxu3.dts
@@ -264,6 +264,13 @@
};
};
+ emmc_pwrseq: pwrseq {
+ pinctrl-0 = <&emmc_nrst_pin>;
+ pinctrl-names = "default";
+ compatible = "mmc-pwrseq-emmc";
+ reset-gpios = <&gpd1 0 1>;
+ };
+
i2c_2: i2c@12C80000 {
samsung,i2c-sda-delay = <100>;
samsung,i2c-max-bus-freq = <66000>;
@@ -298,6 +305,7 @@
&mmc_0 {
status = "okay";
+ mmc-pwrseq = <&emmc_pwrseq>;
broken-cd;
card-detect-delay = <200>;
samsung,dw-mshc-ciu-div = <3>;
@@ -330,6 +338,15 @@
};
};
+&pinctrl_1 {
+ emmc_nrst_pin: emmc-nrst {
+ samsung,pins = "gpd1-0";
+ samsung,pin-function = <0>;
+ samsung,pin-pud = <0>;
+ samsung,pin-drv = <0>;
+ };
+};
+
&usbdrd_dwc3_0 {
dr_mode = "host";
};
--
1.9.2
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