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* [PATCH v2 1/8] mmc: core add the property for hs200
@ 2014-01-28  8:24 Jaehoon Chung
  2014-01-28 10:17 ` Ulf Hansson
  2014-01-28 12:52 ` Seungwon Jeon
  0 siblings, 2 replies; 5+ messages in thread
From: Jaehoon Chung @ 2014-01-28  8:24 UTC (permalink / raw)
  To: linux-mmc@vger.kernel.org
  Cc: Chris Ball, Seungwon Jeon, Arnd Bergmann, Ulf Hansson

mmc-hs200-1.8v and mmc-hs200-1.2v can be used to the general capability.

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
---
Changelog V2:
	- Rename the mmc-hs200-1_8v/1_2v instead of "_caps2_"
	- Add the properties into Documentation/devicetree/bindings/mmc/mmc.txt

 Documentation/devicetree/bindings/mmc/mmc.txt |    2 ++
 drivers/mmc/core/host.c                       |    4 ++++
 2 files changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/mmc/mmc.txt b/Documentation/devicetree/bindings/mmc/mmc.txt
index 458b57f..4bb3894 100644
--- a/Documentation/devicetree/bindings/mmc/mmc.txt
+++ b/Documentation/devicetree/bindings/mmc/mmc.txt
@@ -29,6 +29,8 @@ Optional properties:
 - 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
+- mmc-hs200-1_8v: HS200 mode(1.8V I/O) is supported
+- mmc-hs200-1_2v: HS200 mode(1.2V I/O) 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 49bc403..5a82e81 100644
--- a/drivers/mmc/core/host.c
+++ b/drivers/mmc/core/host.c
@@ -429,6 +429,10 @@ int mmc_of_parse(struct mmc_host *host)
 		host->pm_caps |= MMC_PM_KEEP_POWER;
 	if (of_find_property(np, "enable-sdio-wakeup", &len))
 		host->pm_caps |= MMC_PM_WAKE_SDIO_IRQ;
+	if (of_find_property(np, "mmc-hs200-1_8v", NULL))
+		host->caps2 |= MMC_CAP2_HS200_1_8V_SDR;
+	if (of_find_property(np, "mmc-hs200-1_2v", NULL))
+		host->caps2 |= MMC_CAP2_HS200_1_2V_SDR;
 
 	return 0;
 
-- 
1.7.9.5

^ permalink raw reply related	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2014-01-28 12:52 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2014-01-28  8:24 [PATCH v2 1/8] mmc: core add the property for hs200 Jaehoon Chung
2014-01-28 10:17 ` Ulf Hansson
2014-01-28 10:30   ` Jaehoon Chung
2014-01-28 10:34     ` Ulf Hansson
2014-01-28 12:52 ` Seungwon Jeon

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