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Commit 225da7e6 authored by Marek Szyprowski's avatar Marek Szyprowski Committed by Kukjin Kim
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ARM: dts: add eMMC reset line for exynos4412-odroid-common 



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: default avatarMarek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: default avatarKukjin Kim <kgene@kernel.org>
parent e07eb1ec

arch/arm/boot/dts/exynos4412-odroid-common.dtsi

+14 −0
Original line number Diff line number Diff line
@@ -75,10 +75,18 @@ 
		};

	};



	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 @@ 
	};

};



/* 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";