From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joshua Watt Subject: [PATCH] ARM: dts: rockchip: Keep rk3288-tinker SD card IO powered during reboot Date: Wed, 19 Feb 2020 14:42:20 -0600 Message-ID: <20200219204224.34154-1-JPEWhacker@gmail.com> Return-path: Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: Joshua Watt , Heiko Stuebner , Rob Herring , Mark Rutland List-Id: linux-rockchip.vger.kernel.org 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 --- 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