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Commit 1056a273 authored Feb 05, 2015 by Marek Szyprowski Committed by Kukjin Kim Feb 27, 2015

ARM: dts: add eMMC reset line for exynos5422-odroidxu3



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>

parent 225da7e6

arch/arm/boot/dts/exynos5422-odroidxu3.dts

+17 −0

Original line number	Diff line number	Diff line
		@@ -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";
		};