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* [PATCH] ARM: dts: rockchip: Keep rk3288-tinker SD card IO powered during reboot
@ 2020-02-19 20:42 Joshua Watt
  2020-03-13 18:38 ` Joshua Watt
  2020-03-17  0:27 ` Heiko Stuebner
  0 siblings, 2 replies; 3+ messages in thread
From: Joshua Watt @ 2020-02-19 20:42 UTC (permalink / raw)
  To: linux-arm-kernel, linux-rockchip, devicetree, linux-kernel
  Cc: Joshua Watt, Heiko Stuebner, Rob Herring, Mark Rutland

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>
---
 arch/arm/boot/dts/rk3288-tinker.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/boot/dts/rk3288-tinker.dtsi b/arch/arm/boot/dts/rk3288-tinker.dtsi
index 312582c1bd37..acfaa12ec239 100644
--- 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>;
-- 
2.17.1


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2020-02-19 20:42 [PATCH] ARM: dts: rockchip: Keep rk3288-tinker SD card IO powered during reboot Joshua Watt
2020-03-13 18:38 ` Joshua Watt
2020-03-17  0:27 ` Heiko Stuebner

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