diff options
| author | Robby Cai <R63905@freescale.com> | 2012-10-11 19:43:49 +0800 |
|---|---|---|
| committer | Robby Cai <R63905@freescale.com> | 2012-10-23 10:59:56 +0800 |
| commit | e170d8a4362ed19afb6feaa172de5e1835539c5c (patch) | |
| tree | 062a07802333dba6e98c431be90e362d47c85533 /drivers | |
| parent | 1c584293e60f067f6e10db6e8afd880aeade25aa (diff) | |
ENGR00229222 mmc: esdhc: allow MMC and SDIO cards switched to 1.8V signalling
The current driver only allows SD cards to run at 1.8V.
This patch allows MMC and SDIO cards to be switched to 1.8V signalling
Acked-by: Dong Aisheng <b29396@freescale.com>
Signed-off-by: Robby Cai <R63905@freescale.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mmc/host/sdhci-esdhc-imx.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c index 39eb287d638b..59cc92ce7410 100644 --- a/drivers/mmc/host/sdhci-esdhc-imx.c +++ b/drivers/mmc/host/sdhci-esdhc-imx.c @@ -841,12 +841,18 @@ static int esdhc_pltfm_init(struct sdhci_host *host, struct sdhci_pltfm_data *pd MMC_VDD_32_33 | MMC_VDD_33_34; host->ocr_avail_mmc = MMC_VDD_29_30 | MMC_VDD_30_31 | \ MMC_VDD_32_33 | MMC_VDD_33_34; + host->ocr_avail_sdio = MMC_VDD_29_30 | MMC_VDD_30_31 | \ + MMC_VDD_32_33 | MMC_VDD_33_34; if (cpu_is_mx6q() || cpu_is_mx6dl()) sdhci_esdhc_ops.platform_execute_tuning = esdhc_execute_tuning; - if (boarddata->support_18v) + if (boarddata->support_18v) { host->ocr_avail_sd |= MMC_VDD_165_195; + host->ocr_avail_mmc |= MMC_VDD_165_195; + host->ocr_avail_sdio |= MMC_VDD_165_195; + } + if (boarddata->support_8bit) host->mmc->caps |= MMC_CAP_8_BIT_DATA; if (boarddata->keep_power_at_suspend) |