* [PATCH] Powerpc/eSDCH: Specify voltage for T4240QDS
@ 2013-08-29 3:31 Haijun Zhang
0 siblings, 0 replies; only message in thread
From: Haijun Zhang @ 2013-08-29 3:31 UTC (permalink / raw)
To: linuxppc-dev, galak; +Cc: scottwood, Haijun Zhang, X.Xie
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>
---
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 {
--
1.8.0
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2013-08-29 3:31 [PATCH] Powerpc/eSDCH: Specify voltage for T4240QDS Haijun Zhang
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