As host controller can support eMMC's HS200 mode at
1.8V or 1.2V, these capability will be added.
Signed-off-by: Seungwon Jeon <tgih....@samsung.com>
---
.../devicetree/bindings/mmc/synopsis-dw-mshc.txt | 5 +++++
drivers/mmc/host/dw_mmc.c | 6 ++++++
2 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/Documentation/devicetree/bindings/mmc/synopsis-dw-mshc.txt
b/Documentation/devicetree/bindings/mmc/synopsis-dw-mshc.txt
index cdcebea..ae5f8e8 100644
--- a/Documentation/devicetree/bindings/mmc/synopsis-dw-mshc.txt
+++ b/Documentation/devicetree/bindings/mmc/synopsis-dw-mshc.txt
@@ -66,6 +66,10 @@ Optional properties:
* supports-highspeed: Enables support for high speed cards (up to 50MHz)
+* caps2-mmc-hs200-1_8v: Supports mmc HS200 SDR 1.8V mode
+
+* caps2-mmc-hs200-1_2v: Supports mmc HS200 SDR 1.2V mode
+
* broken-cd: as documented in mmc core bindings.
* vmmc-supply: The phandle to the regulator to use for vmmc. If this is
@@ -95,6 +99,7 @@ board specific portions as listed below.
clock-frequency = <400000000>;
num-slots = <1>;
supports-highspeed;
+ caps2-mmc-hs200-1_8v;
broken-cd;
fifo-depth = <0x80>;
card-detect-delay = <200>;
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
index 5d1123f..e8396f9 100644
--- a/drivers/mmc/host/dw_mmc.c
+++ b/drivers/mmc/host/dw_mmc.c
@@ -2186,6 +2186,12 @@ static struct dw_mci_board *dw_mci_parse_dt(struct
dw_mci *host)
if (of_find_property(np, "enable-sdio-wakeup", NULL))
pdata->pm_caps |= MMC_PM_WAKE_SDIO_IRQ;
+ if (of_find_property(np, "caps2-mmc-hs200-1_8v", NULL))
+ pdata->caps2 |= MMC_CAP2_HS200_1_8V_SDR;
+
+ if (of_find_property(np, "caps2-mmc-hs200-1_2v", NULL))
+ pdata->caps2 |= MMC_CAP2_HS200_1_2V_SDR;
+
return pdata;
}
--
1.7.0.4
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