From: Robby Cai Date: Thu, 11 Oct 2012 11:43:49 +0000 (+0800) Subject: ENGR00229222 mmc: esdhc: allow MMC and SDIO cards switched to 1.8V signalling X-Git-Tag: v3.0.35-fsl~341 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=cc233f6e3a653652e1cdce344aca48be85de6b4d;p=karo-tx-linux.git 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 Signed-off-by: Robby Cai --- 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)