mmc: mmci: Add DT bindings for signal direction

Some variants have support for indicating the bus signal directions,
which currently are configured through platform data.

Add corresponding DT bindings to enable us to move away from using the
platform data.

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>

1 files changed, 11 insertions, 0 deletions

diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index 57cfd5f7cb24..aa26e810b7ad 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c
@@ -1392,6 +1392,17 @@ static void mmci_dt_populate_generic_pdata(struct device_node *np,
 {
         int bus_width = 0;
 
+        if (of_get_property(np, "st,sig-dir-dat0", NULL))
+                pdata->sigdir |= MCI_ST_DATA0DIREN;
+        if (of_get_property(np, "st,sig-dir-dat2", NULL))
+                pdata->sigdir |= MCI_ST_DATA2DIREN;
+        if (of_get_property(np, "st,sig-dir-dat31", NULL))
+                pdata->sigdir |= MCI_ST_DATA31DIREN;
+        if (of_get_property(np, "st,sig-dir-dat74", NULL))
+                pdata->sigdir |= MCI_ST_DATA74DIREN;
+        if (of_get_property(np, "st,sig-dir-cmd", NULL))
+                pdata->sigdir |= MCI_ST_CMDDIREN;
+
         pdata->gpio_wp = of_get_named_gpio(np, "wp-gpios", 0);
         pdata->gpio_cd = of_get_named_gpio(np, "cd-gpios", 0);