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| author | Ulf Hansson | 2013-06-10 17:03:47 +0200 |
|---|---|---|
| committer | Chris Ball | 2013-06-27 18:39:22 +0200 |
| commit | 5a36d6bcdf23e408da1d0cbb5d5ad2a26089e9ca (patch) | |
| tree | f2039fca81c696999deecd2ffbc4e34462d461b3 | |
| parent | mmc: core: Invent MMC_CAP2_FULL_PWR_CYCLE (diff) | |
| download | kernel-qcow2-linux-5a36d6bcdf23e408da1d0cbb5d5ad2a26089e9ca.tar.gz kernel-qcow2-linux-5a36d6bcdf23e408da1d0cbb5d5ad2a26089e9ca.tar.xz kernel-qcow2-linux-5a36d6bcdf23e408da1d0cbb5d5ad2a26089e9ca.zip | |
mmc: core: Add DT-bindings for MMC_CAP2_FULL_PWR_CYCLE
The DT-binding for MMC_CAP2_FULL_PWR_CYCLE, is used to indicate whether
it is possible to perform a full power cycle of the card.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
| -rw-r--r-- | Documentation/devicetree/bindings/mmc/mmc.txt | 1 | ||||
| -rw-r--r-- | drivers/mmc/core/host.c | 2 |
2 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mmc/mmc.txt b/Documentation/devicetree/bindings/mmc/mmc.txt index 85aada2263d5..458b57f199af 100644 --- a/Documentation/devicetree/bindings/mmc/mmc.txt +++ b/Documentation/devicetree/bindings/mmc/mmc.txt @@ -28,6 +28,7 @@ Optional properties: - cap-mmc-highspeed: MMC high-speed timing is supported - cap-power-off-card: powering off the card is safe - cap-sdio-irq: enable SDIO IRQ signalling on this interface +- full-pwr-cycle: full power cycle of the card is supported *NOTE* on CD and WP polarity. To use common for all SD/MMC host controllers line polarity properties, we have to fix the meaning of the "normal" and "inverted" diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c index 89f58498409a..6fb6f77450cb 100644 --- a/drivers/mmc/core/host.c +++ b/drivers/mmc/core/host.c @@ -423,6 +423,8 @@ int mmc_of_parse(struct mmc_host *host) host->caps |= MMC_CAP_POWER_OFF_CARD; if (of_find_property(np, "cap-sdio-irq", &len)) host->caps |= MMC_CAP_SDIO_IRQ; + if (of_find_property(np, "full-pwr-cycle", &len)) + host->caps2 |= MMC_CAP2_FULL_PWR_CYCLE; if (of_find_property(np, "keep-power-in-suspend", &len)) host->pm_caps |= MMC_PM_KEEP_POWER; if (of_find_property(np, "enable-sdio-wakeup", &len)) |