Skip to contentSkip to conversation

ARM: dts: rockchip: Keep rk3288-tinker SD card IO powered during reboot

PATCH In review Joshua Watt 2 participants 3 messages Feb 19, 2020 – Mar 17, 2020

Subsystems (2)
Device tree bindings Arm Rockchip
lore
Share & tools
lore

Joshua Watt

author
#0 lore raw

PATCH 1/1 ARM: dts: rockchip: Keep rk3288-tinker SD card IO powered during reboot

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 <[email protected]>
---
 arch/arm/boot/dts/rk3288-tinker.dtsi | 1 +
 1 file changed, 1 insertion(+)
arch/arm/boot/dts/rk3288-tinker.dtsi +1 -0
index 312582c1bd37..acfaa12ec239 100644
@@ -276,6 +276,7 @@
 			};
 
 			vccio_sd: LDO_REG5 {
+				regulator-always-on;
 				regulator-boot-on;
 				regulator-min-microvolt = <1800000>;
 				regulator-max-microvolt = <3300000>;
Signature · 1 line
2.17.1
author
#1 lore raw
Quoted 3 lines · Joshua Watt

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.

Ping?

Quoted 18 lines
Signed-off-by Joshua Watt <[email protected]>
---
  arch/arm/boot/dts/rk3288-tinker.dtsi | 1 +
  1 file changed, 1 insertion(+)
arch/arm/boot/dts/rk3288-tinker.dtsi +1 -0
index 312582c1bd37..acfaa12ec239 100644
@@ -276,6 +276,7 @@
  			};
 
  			vccio_sd: LDO_REG5 {
+				regulator-always-on;
  				regulator-boot-on;
  				regulator-min-microvolt = <1800000>;
  				regulator-max-microvolt = <3300000>;