[PATCH 4/4] ARM: dts: exynos5422-odroidxu3: add eMMC reset line
From: Marek Szyprowski <m.szyprowski@samsung.com>
Date: 2015-01-28 13:59:55
Also in:
linux-mmc, linux-samsung-soc
Subsystem:
the rest · Maintainer:
Linus Torvalds
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> --- arch/arm/boot/dts/exynos5422-odroidxu3.dts | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/exynos5422-odroidxu3.dts b/arch/arm/boot/dts/exynos5422-odroidxu3.dts
index a519c863248d..bafbc4e19adc 100644
--- a/arch/arm/boot/dts/exynos5422-odroidxu3.dts
+++ b/arch/arm/boot/dts/exynos5422-odroidxu3.dts@@ -298,13 +298,15 @@ &mmc_0 { status = "okay"; + reset-gpios = <&gpd1 0 0>; + reset-invered; broken-cd; card-detect-delay = <200>; samsung,dw-mshc-ciu-div = <3>; samsung,dw-mshc-sdr-timing = <0 4>; samsung,dw-mshc-ddr-timing = <0 2>; pinctrl-names = "default"; - pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_bus4 &sd0_bus8>; + pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_bus4 &sd0_bus8 &emmc_nrst>; bus-width = <8>; cap-mmc-highspeed; };
@@ -330,6 +332,15 @@ }; }; +&pinctrl_1 { + emmc_nrst: 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