diff options
| author | Jerry Huang <Chang-Ming.Huang@freescale.com> | 2013-03-28 03:00:11 (GMT) |
|---|---|---|
| committer | Fleming Andrew-AFLEMING <AFLEMING@freescale.com> | 2013-04-03 20:40:07 (GMT) |
| commit | 385f0474ebdf29abd3d2e2a6ab8388a12e297fcc (patch) | |
| tree | 1e235455efd93d07e70f4d2eb21c85a6400e4ebe /drivers/mmc | |
| parent | 10e175c97f71bc15f1335bc512e6accbedf9d73c (diff) | |
| download | linux-fsl-qoriq-385f0474ebdf29abd3d2e2a6ab8388a12e297fcc.tar.xz | |
mmc: esdhc: Add SDHCI_QUIRK_QORIQ_CIRCUIT_SUPPORT_VS33
quirk support
On the t4240 platform, sdhci controller can only supports 1.8V
voltage, but the peripheral hardware circuit has capability to
support 3.3V voltage.
Signed-off-by: Jerry Huang <Chang-Ming.Huang@freescale.com>
Signed-off-by: Chunhe Lan <Chunhe.Lan@freescale.com>
Change-Id: Ib1d25b5f70575c615d64bf85f7fed2074f8d244d
Reviewed-on: http://git.am.freescale.net:8181/852
Reviewed-by: Fleming Andrew-AFLEMING <AFLEMING@freescale.com>
Tested-by: Fleming Andrew-AFLEMING <AFLEMING@freescale.com>
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/host/sdhci-pltfm.c | 1 | ||||
| -rw-r--r-- | drivers/mmc/host/sdhci.c | 3 |
2 files changed, 4 insertions, 0 deletions
diff --git a/drivers/mmc/host/sdhci-pltfm.c b/drivers/mmc/host/sdhci-pltfm.c index 2eaf7a4..bd41f87 100644 --- a/drivers/mmc/host/sdhci-pltfm.c +++ b/drivers/mmc/host/sdhci-pltfm.c @@ -93,6 +93,7 @@ void sdhci_get_of_property(struct platform_device *pdev) if (of_device_is_compatible(np, "fsl,t4240-esdhc")) { host->quirks2 |= SDHCI_QUIRK2_BROKEN_RESET_ALL; host->quirks2 |= SDHCI_QUIRK2_LONG_TIME_CMD_COMPLETE_IRQ; + host->quirks2 |= SDHCI_QUIRK2_CIRCUIT_SUPPORT_VS33; } if (of_device_is_compatible(np, "fsl,p4860-rev1-esdhc") || diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 170eee3..4f67f21 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -2719,6 +2719,9 @@ int sdhci_add_host(struct sdhci_host *host) host->caps1 : sdhci_readl(host, SDHCI_CAPABILITIES_1); + if (host->quirks2 & SDHCI_QUIRK2_CIRCUIT_SUPPORT_VS33) + caps[0] = caps[0] | SDHCI_CAN_VDD_330; + if (host->quirks & SDHCI_QUIRK_FORCE_DMA) host->flags |= SDHCI_USE_SDMA; else if (!(caps[0] & SDHCI_CAN_DO_SDMA)) |