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authorCharles Keepax <ckeepax@opensource.wolfsonmicro.com>2015-03-03 15:04:53 +0000
committerLee Jones <lee.jones@linaro.org>2015-03-12 09:08:01 +0000
commite7ad27cac94c6eb609d43b0f968dce8ff804fa7c (patch)
treeaff4750cb40e605f49bcd753d91f4d6f4dbc06ed /drivers/mfd/arizona-core.c
parent224995d7804ab590fbac0f605dfc47f6dcf2214c (diff)
downloadblackbird-op-linux-e7ad27cac94c6eb609d43b0f968dce8ff804fa7c.tar.gz
blackbird-op-linux-e7ad27cac94c6eb609d43b0f968dce8ff804fa7c.zip
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>
Diffstat (limited to 'drivers/mfd/arizona-core.c')
-rw-r--r--drivers/mfd/arizona-core.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/mfd/arizona-core.c b/drivers/mfd/arizona-core.c
index 9f819989683b..6ca6dfab50eb 100644
--- a/drivers/mfd/arizona-core.c
+++ b/drivers/mfd/arizona-core.c
@@ -561,6 +561,16 @@ static int arizona_of_get_core_pdata(struct arizona *arizona)
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;
}
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