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* [PATCH] ARM: dts: rockchip: Keep rk3288-tinker SD card IO powered during reboot
@ 2020-02-19 20:42 ` Joshua Watt
  0 siblings, 0 replies; 9+ messages in thread
From: Joshua Watt @ 2020-02-19 20:42 UTC (permalink / raw)
  To: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r,
	linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r,
	devicetree-u79uwXL29TY76Z2rM5mHXA,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA
  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-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
---
 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

^ permalink raw reply related	[flat|nested] 9+ messages in thread

end of thread, other threads:[~2020-03-17  0:27 UTC | newest]

Thread overview: 9+ messages (download: mbox.gz follow: Atom feed
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2020-02-19 20:42 [PATCH] ARM: dts: rockchip: Keep rk3288-tinker SD card IO powered during reboot Joshua Watt
2020-02-19 20:42 ` Joshua Watt
2020-02-19 20:42 ` Joshua Watt
     [not found] ` <20200219204224.34154-1-JPEWhacker-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2020-03-13 18:38   ` Joshua Watt
2020-03-13 18:38     ` Joshua Watt
2020-03-13 18:38     ` Joshua Watt
2020-03-17  0:27   ` Heiko Stuebner
2020-03-17  0:27     ` Heiko Stuebner
2020-03-17  0:27     ` Heiko Stuebner

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