From: Cristian Birsan Date: Tue, 19 Nov 2024 16:01:07 +0000 (+0200) Subject: ARM: dts: microchip: sama5d27_wlsom1_ek: Add no-1-8-v property to sdmmc0 node X-Git-Tag: v6.14-rc1~103^2~17^2~2 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=4d9e5965df04c0adf260c3009c55d5fe240f7286;p=thirdparty%2Flinux.git ARM: dts: microchip: sama5d27_wlsom1_ek: Add no-1-8-v property to sdmmc0 node Add no-1-8-v property to sdmmc0 node to keep VDDSDMMC power rail at 3.3V. This property will stop the LDO regulator from switching to 1.8V when the MMC core detects an UHS SD Card. VDDSDMMC power rail is used by all the SDMMC interface pins in GPIO mode (PA0 - PA13). On this board, PA10 is used as GPIO to enable the power switch controlling USB Vbus for the USB Host. The change is needed to fix the PA10 voltage level to 3.3V instead of 1.8V. Fixes: 5d4c3cfb63fe ("ARM: dts: at91: sama5d27_wlsom1: add SAMA5D27 wlsom1 and wlsom1-ek") Suggested-by: Mihai Sain Signed-off-by: Cristian Birsan Tested-by: Andrei Simion Link: https://lore.kernel.org/r/20241119160107.598411-3-cristian.birsan@microchip.com Signed-off-by: Claudiu Beznea --- diff --git a/arch/arm/boot/dts/microchip/at91-sama5d27_wlsom1_ek.dts b/arch/arm/boot/dts/microchip/at91-sama5d27_wlsom1_ek.dts index 15239834d886e..35a933eec5738 100644 --- a/arch/arm/boot/dts/microchip/at91-sama5d27_wlsom1_ek.dts +++ b/arch/arm/boot/dts/microchip/at91-sama5d27_wlsom1_ek.dts @@ -197,6 +197,7 @@ &sdmmc0 { bus-width = <4>; + no-1-8-v; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_sdmmc0_default>; status = "okay";