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authorAlim Akhtar <alim.akhtar@samsung.com>2020-07-05 12:39:18 +0530
committerKrzysztof Kozlowski <krzk@kernel.org>2020-07-07 08:42:12 +0200
commita7a84ea9c3e3793c44819fe47a64ab9b29162e0a (patch)
treecd8f730013c3b870171bb999f6497997c3916b29 /arch/arm64/boot/dts/exynos
parentb072714bfc0e42c984b8fd6e069f3ca17de8137a (diff)
downloadlinux-a7a84ea9c3e3793c44819fe47a64ab9b29162e0a.tar.gz
linux-a7a84ea9c3e3793c44819fe47a64ab9b29162e0a.tar.xz
arm64: dts: exynos: Keep LDO12 always-on on Espresso
LDO12 on Exynos7 Espresso board supplies power to VDDQ_UFS20_RESET, in case this regulator is OFF, UFS host controller can not send command to UFS device. To keep this supply ON, set regulator-always-on property for this LDO. Signed-off-by: Alim Akhtar <alim.akhtar@samsung.com> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Diffstat (limited to 'arch/arm64/boot/dts/exynos')
-rw-r--r--arch/arm64/boot/dts/exynos/exynos7-espresso.dts1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/exynos/exynos7-espresso.dts b/arch/arm64/boot/dts/exynos/exynos7-espresso.dts
index bb86950032d3..92fecc539c6c 100644
--- a/arch/arm64/boot/dts/exynos/exynos7-espresso.dts
+++ b/arch/arm64/boot/dts/exynos/exynos7-espresso.dts
@@ -194,6 +194,7 @@
regulator-min-microvolt = <1000000>;
regulator-max-microvolt = <1300000>;
regulator-enable-ramp-delay = <125>;
+ regulator-always-on;
};
ldo13_reg: LDO13 {