mmc-hs200-1.8v and mmc-hs200-1.2v can be used to the general capability.
Signed-off-by: Jaehoon Chung <[email protected]>
---
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
--
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