diff --git a/Documentation/devicetree/bindings/mmc/mmc.txt b/Documentation/devicetree/bindings/mmc/mmc.txt index 0384fc3f64e83f954183afca1c899fe65966a481..f693baf87264d6525b105c0eb244730111b47820 100644 --- a/Documentation/devicetree/bindings/mmc/mmc.txt +++ b/Documentation/devicetree/bindings/mmc/mmc.txt @@ -37,6 +37,7 @@ Optional properties: - sd-uhs-sdr104: SD UHS SDR104 speed is supported - sd-uhs-ddr50: SD UHS DDR50 speed is supported - cap-power-off-card: powering off the card is safe +- cap-mmc-hw-reset: eMMC hardware reset is supported - cap-sdio-irq: enable SDIO IRQ signalling on this interface - full-pwr-cycle: full power cycle of the card is supported - mmc-ddr-1_8v: eMMC high-speed DDR mode(1.8V I/O) is supported diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c index 970e6906930b0d8ebce9f0434f64c11f74eb376a..da950c44204d27d6db8cd5a2d56b6b3e88e27c09 100644 --- a/drivers/mmc/core/host.c +++ b/drivers/mmc/core/host.c @@ -267,6 +267,8 @@ int mmc_of_parse(struct mmc_host *host) host->caps |= MMC_CAP_UHS_DDR50; if (of_property_read_bool(np, "cap-power-off-card")) host->caps |= MMC_CAP_POWER_OFF_CARD; + if (of_property_read_bool(np, "cap-mmc-hw-reset")) + host->caps |= MMC_CAP_HW_RESET; if (of_property_read_bool(np, "cap-sdio-irq")) host->caps |= MMC_CAP_SDIO_IRQ; if (of_property_read_bool(np, "full-pwr-cycle"))