From 5a36d6bcdf23e408da1d0cbb5d5ad2a26089e9ca Mon Sep 17 00:00:00 2001 From: Ulf Hansson Date: Mon, 10 Jun 2013 17:03:47 +0200 Subject: [PATCH] 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 Signed-off-by: Chris Ball --- Documentation/devicetree/bindings/mmc/mmc.txt | 1 + drivers/mmc/core/host.c | 2 ++ 2 files changed, 3 insertions(+) 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)) -- 2.39.5