Patchwork Powerpc/eSDCH: Specify voltage for T4240QDS

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Submitter Haijun.Zhang
Date Aug. 29, 2013, 3:31 a.m.
Message ID <1377747088-394-1-git-send-email-Haijun.Zhang@freescale.com>
Download mbox | patch
Permalink /patch/270687/
State Accepted, archived
Commit 0f06ad70921eb00fa48f73754059fd8854f32572
Delegated to: Scott Wood
Headers show

Comments

Haijun.Zhang - Aug. 29, 2013, 3:31 a.m.
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(+)

Patch

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 {