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| author | Marek Szyprowski <m.szyprowski@samsung.com> | 2015-02-04 16:35:58 +0100 |
|---|---|---|
| committer | Kukjin Kim <kgene@kernel.org> | 2015-02-26 20:44:55 +0100 |
| commit | 225da7e65a03d7b730ccb201f8acb6afde5eb40b (patch) | |
| tree | 66bc57cbb0a520dca03a7145531b5f0ce64be3dd /arch/arm/boot/dts/exynos4412-odroid-common.dtsi | |
| parent | ARM: dts: represent bridge and panel connection for exynos5420-peach-pit (diff) | |
| download | linux-225da7e65a03d7b730ccb201f8acb6afde5eb40b.tar.xz linux-225da7e65a03d7b730ccb201f8acb6afde5eb40b.zip | |
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: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
Diffstat (limited to 'arch/arm/boot/dts/exynos4412-odroid-common.dtsi')
| -rw-r--r-- | arch/arm/boot/dts/exynos4412-odroid-common.dtsi | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi b/arch/arm/boot/dts/exynos4412-odroid-common.dtsi index de80b5bba204..3c5a7ab23c6b 100644 --- a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi +++ b/arch/arm/boot/dts/exynos4412-odroid-common.dtsi @@ -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"; |