Commit 5a36d6bc authored by Ulf Hansson's avatar Ulf Hansson Committed by Chris Ball
Browse files

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: default avatarUlf Hansson <ulf.hansson@linaro.org>
Signed-off-by: default avatarChris Ball <cjb@laptop.org>
parent 53275c21

Documentation/devicetree/bindings/mmc/mmc.txt

+1 −0
Original line number Original line Diff line number Diff line
@@ -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"

drivers/mmc/core/host.c

+2 −0
Original line number Original line Diff line number Diff line
@@ -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))