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ARM: dts: rockchip: Keep rk3288-tinker SD card IO powered during reboot
author
Joshua Watt
<jpewhacker@gmail.com>
Wed, 19 Feb 2020 20:42:20 +0000
(14:42 -0600)
committer
Heiko Stuebner
<heiko@sntech.de>
Tue, 17 Mar 2020 00:22:31 +0000
(
01:22
+0100)
IO voltage regulator for the SD card must be kept on all the time,
otherwise when the board reboots the SD card can't be read by the
bootloader.
Signed-off-by: Joshua Watt <JPEWhacker@gmail.com>
Link:
https://lore.kernel.org/r/20200219204224.34154-1-JPEWhacker@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
arch/arm/boot/dts/rk3288-tinker.dtsi
patch
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diff --git
a/arch/arm/boot/dts/rk3288-tinker.dtsi
b/arch/arm/boot/dts/rk3288-tinker.dtsi
index
312582c
..
acfaa12
100644
(file)
--- a/
arch/arm/boot/dts/rk3288-tinker.dtsi
+++ b/
arch/arm/boot/dts/rk3288-tinker.dtsi
@@
-276,6
+276,7
@@
};
vccio_sd: LDO_REG5 {
+ regulator-always-on;
regulator-boot-on;
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;