mfd: arizona: Add DT binding for the DMIC reference voltages
Add a DT binding that lets the DMIC reference voltage source be
specified for each input.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
diff --git a/drivers/mfd/arizona-core.c b/drivers/mfd/arizona-core.c
index 9f81998..6ca6dfa 100644
--- a/drivers/mfd/arizona-core.c
+++ b/drivers/mfd/arizona-core.c
@@ -561,6 +561,16 @@
count++;
}
+ count = 0;
+ of_property_for_each_u32(arizona->dev->of_node, "wlf,dmic-ref", prop,
+ cur, val) {
+ if (count == ARRAY_SIZE(arizona->pdata.dmic_ref))
+ break;
+
+ arizona->pdata.dmic_ref[count] = val;
+ count++;
+ }
+
return 0;
}