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mmc: core: Add DT-bindings for MMC_CAP2_FULL_PWR_CYCLE

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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>
This commit is contained in:
Ulf Hansson 2013-06-10 17:03:47 +02:00 committed by Chris Ball
parent 53275c2136
commit 5a36d6bcdf
2 changed files with 3 additions and 0 deletions
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1
Documentation/devicetree/bindings/mmc/mmc.txt
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@ -28,6 +28,7 @@ Optional properties:
- cap-mmc-highspeed: MMC high-speed timing is supported - cap-mmc-highspeed: MMC high-speed timing is supported
- cap-power-off-card: powering off the card is safe - cap-power-off-card: powering off the card is safe
- cap-sdio-irq: enable SDIO IRQ signalling on this interface - 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 *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" polarity properties, we have to fix the meaning of the "normal" and "inverted"

2
drivers/mmc/core/host.c
View file

@ -423,6 +423,8 @@ int mmc_of_parse(struct mmc_host *host)
host->caps |= MMC_CAP_POWER_OFF_CARD; host->caps |= MMC_CAP_POWER_OFF_CARD;
if (of_find_property(np, "cap-sdio-irq", &len)) if (of_find_property(np, "cap-sdio-irq", &len))
host->caps |= MMC_CAP_SDIO_IRQ; 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)) if (of_find_property(np, "keep-power-in-suspend", &len))
host->pm_caps |= MMC_PM_KEEP_POWER; host->pm_caps |= MMC_PM_KEEP_POWER;
if (of_find_property(np, "enable-sdio-wakeup", &len)) if (of_find_property(np, "enable-sdio-wakeup", &len))