[2/2] arm64: dts: exynos: keep LDO12 always-on
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Message ID 20200705065747.63014-2-alim.akhtar@samsung.com
State New
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Series
  • [1/2] arm64: dts: exynos: Fix silent hang after boot
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Commit Message

Alim Akhtar July 5, 2020, 6:57 a.m. UTC
LDO12 on exynos7 supply 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>
---
 arch/arm64/boot/dts/exynos/exynos7-espresso.dts | 1 +
 1 file changed, 1 insertion(+)

Patch
diff mbox series

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 {