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 <haijun.zhang@freescale.com>
Signed-off-by: Scott Wood <scottwood@freescale.com>

diff --git a/arch/powerpc/boot/dts/t4240qds.dts b/arch/powerpc/boot/dts/t4240qds.dts
index 0555976dd0f34b0b1c5b9b916a17369c2c0520f4..eb3c3de4ef539ad59dea32a58e933e86f468705b 100644 (file)
--- 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 {