diff options
| author | Ulf Hansson <ulf.hansson@linaro.org> | 2017-01-25 12:45:43 +0100 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2017-02-13 13:20:45 +0100 |
| commit | fb00f196fcce8078e162d09a1d7725032c2dfdc8 (patch) | |
| tree | bd49aaed631ec7dcc0291812aa6318f031f7e3db /drivers/mmc | |
| parent | mmc: dt: Document binding for eMMC DDR 3.3V I/O voltage support (diff) | |
| download | linux-fb00f196fcce8078e162d09a1d7725032c2dfdc8.tar.xz linux-fb00f196fcce8078e162d09a1d7725032c2dfdc8.zip | |
mmc: core: Extend mmc_of_parse() to check for mmc-ddr-3_3v
When mmc_of_parse() finds the binding, it sets the mmc cap,
MMC_CAP_3_3V_DDR, which informs the core whether eMMC DDR at 3.3V I/O is
supported by the mmc host.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Shawn Lin <shawn.lin@rock-chips.com>
Tested-by: Jan Glauber <jglauber@cavium.com>
Tested-by: Stefan Wahren <stefan.wahren@i2se.com>
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/core/host.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c index 98f25ffb4258..8f75a84d861e 100644 --- a/drivers/mmc/core/host.c +++ b/drivers/mmc/core/host.c @@ -301,6 +301,8 @@ int mmc_of_parse(struct mmc_host *host) if (of_property_read_bool(np, "wakeup-source") || of_property_read_bool(np, "enable-sdio-wakeup")) /* legacy */ host->pm_caps |= MMC_PM_WAKE_SDIO_IRQ; + if (of_property_read_bool(np, "mmc-ddr-3_3v")) + host->caps |= MMC_CAP_3_3V_DDR; if (of_property_read_bool(np, "mmc-ddr-1_8v")) host->caps |= MMC_CAP_1_8V_DDR; if (of_property_read_bool(np, "mmc-ddr-1_2v")) |