diff options
| author | Haijun Zhang <Haijun.Zhang@freescale.com> | 2013-10-15 02:37:03 (GMT) |
|---|---|---|
| committer | J. German Rivera <German.Rivera@freescale.com> | 2013-10-22 20:56:47 (GMT) |
| commit | 5c879b1c522143ba46ece84320a925a63ba6d13e (patch) | |
| tree | 833ad4e11450c44fc14b2f8c0f6dd25e5d45eb21 | |
| parent | 79bd27e905da1b17a17ea807c04dc7fddd0dcb14 (diff) | |
| download | linux-fsl-qoriq-5c879b1c522143ba46ece84320a925a63ba6d13e.tar.xz | |
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>
Change-Id: I3cd97a087535406ac4db4e30dc6169ab024d20bf
Reviewed-on: http://git.am.freescale.net:8181/4824
Tested-by: Review Code-CDREVIEW <CDREVIEW@freescale.com>
Reviewed-by: Xie Xiaobo-R63061 <X.Xie@freescale.com>
Reviewed-by: Rivera Jose-B46482 <German.Rivera@freescale.com>
| -rw-r--r-- | arch/powerpc/boot/dts/t4240qds.dts | 4 | ||||
| -rw-r--r-- | drivers/mmc/host/sdhci-pltfm.c | 1 |
2 files changed, 4 insertions, 1 deletions
diff --git a/arch/powerpc/boot/dts/t4240qds.dts b/arch/powerpc/boot/dts/t4240qds.dts index 8f77df9..4eff41c 100644 --- a/arch/powerpc/boot/dts/t4240qds.dts +++ b/arch/powerpc/boot/dts/t4240qds.dts @@ -541,6 +541,10 @@ status = "disabled"; }; }; + + sdhc@114000 { + voltage-ranges = <1800 1800 3300 3300>; + }; }; pci0: pcie@ffe240000 { diff --git a/drivers/mmc/host/sdhci-pltfm.c b/drivers/mmc/host/sdhci-pltfm.c index 47586c6..73bf9a3 100644 --- a/drivers/mmc/host/sdhci-pltfm.c +++ b/drivers/mmc/host/sdhci-pltfm.c @@ -89,7 +89,6 @@ void sdhci_get_of_property(struct platform_device *pdev) if (of_device_is_compatible(np, "fsl,t4240-esdhc")) { host->quirks2 |= SDHCI_QUIRK2_LONG_TIME_CMD_COMPLETE_IRQ; - host->quirks2 |= SDHCI_QUIRK2_CIRCUIT_SUPPORT_VS33; host->quirks2 |= SDHCI_QUIRK2_FORCE_CMD13_DETECT_CARD; host->quirks |= SDHCI_QUIRK_BROKEN_ADMA; } |