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ARM: dts: add eMMC reset line for exynos4412-odroid-common

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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@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
This commit is contained in:
Marek Szyprowski 2015-02-05 00:35:58 +09:00 committed by Kukjin Kim
parent e07eb1ec8d
commit 225da7e65a
1 changed files with 14 additions and 0 deletions
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14
arch/arm/boot/dts/exynos4412-odroid-common.dtsi
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@ -75,10 +75,18 @@ link0_codec: simple-audio-card,codec {
};
};
emmc_pwrseq: pwrseq {
pinctrl-0 = <&sd1_cd>;
pinctrl-names = "default";
compatible = "mmc-pwrseq-emmc";
reset-gpios = <&gpk1 2 1>;
};
mmc@12550000 {
pinctrl-0 = <&sd4_clk &sd4_cmd &sd4_bus4 &sd4_bus8>;
pinctrl-names = "default";
vmmc-supply = <&ldo20_reg &buck8_reg>;
mmc-pwrseq = <&emmc_pwrseq>;
status = "okay";
num-slots = <1>;
@ -413,6 +421,12 @@ ehci: ehci@12580000 {
};
};
/* RSTN signal for eMMC */
&sd1_cd {
samsung,pin-pud = <0>;
samsung,pin-drv = <0>;
};
&pinctrl_1 {
gpio_power_key: power_key {
samsung,pins = "gpx1-3";