From: Jerome Brunet Date: Tue, 1 Aug 2017 15:22:24 +0000 (+0200) Subject: ARM64: dts: meson-gxbb: p20x: add card regulator settle times X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=5149616e7a4ef4eae19cdbfe5e21143d5052b51d;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git ARM64: dts: meson-gxbb: p20x: add card regulator settle times Changing the card voltage on the p200 is not instantaneous, especially when switching from 3.3v to 1.8v. I take at least 70ms for the regulator to go from 3.3v to 1.8v. Add margin to that to make sure we don't upset the sdcard during the voltage switch Fixes: ef8d2ffedf18 ("ARM64: dts: meson-gxbb: add MMC support") Signed-off-by: Jerome Brunet Signed-off-by: Kevin Hilman --- diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb-p20x.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxbb-p20x.dtsi index d904deb1018c..58b32f272a0e 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gxbb-p20x.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-gxbb-p20x.dtsi @@ -84,6 +84,9 @@ /* Based on P200 schematics, signal CARD_1.8V/3.3V_CTR */ states = <1800000 0 3300000 1>; + + regulator-settling-time-up-us = <10000>; + regulator-settling-time-down-us = <150000>; }; vddio_boot: regulator-vddio_boot {