From 0f06ad70921eb00fa48f73754059fd8854f32572 Mon Sep 17 00:00:00 2001 From: "Haijun.Zhang" Date: Thu, 29 Aug 2013 11:31:28 +0800 Subject: [PATCH] powerpc/eSDCH: Specify voltage for T4240QDS Freescale T4240QDS reference board has extra voltage shifters added to allow 3.3V operation, so add 3.3v voltage support for T4240QDS. 1.8v and 3.3v is recommand for eMMC and SDHC card. Signed-off-by: Haijun Zhang Signed-off-by: Scott Wood --- arch/powerpc/boot/dts/t4240qds.dts | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/powerpc/boot/dts/t4240qds.dts b/arch/powerpc/boot/dts/t4240qds.dts index 0555976..eb3c3de 100644 --- a/arch/powerpc/boot/dts/t4240qds.dts +++ b/arch/powerpc/boot/dts/t4240qds.dts @@ -148,6 +148,10 @@ interrupts = <0x1 0x1 0 0>; }; }; + + sdhc@114000 { + voltage-ranges = <1800 1800 3300 3300>; + }; }; pci0: pcie@ffe240000 { -- 2.7.4