ASoC: codecs: Add DA9055 codec driver

This patch adds support for Dialog semiconductor's DA9055 audio codec.

This has been tested on DA9055 EVB with Samsung SMDK6410 board.

Signed-off-by: Ashish Chavan <ashish.chavan@kpitcummins.com>
Signed-off-by: David Dajun Chen <david.chen@diasemi.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 33 insertions, 0 deletions

diff --git a/include/sound/da9055.h b/include/sound/da9055.h
new file mode 100644
index 000000000000..cf1241b64d89
--- /dev/null
+++ b/include/sound/da9055.h
@@ -0,0 +1,33 @@
+/*
+ * DA9055 ALSA Soc codec driver
+ *
+ * Copyright (c) 2012 Dialog Semiconductor
+ *
+ * Tested on (Samsung SMDK6410 board + DA9055 EVB) using I2S and I2C
+ * Written by David Chen <david.chen@diasemi.com> and
+ * Ashish Chavan <ashish.chavan@kpitcummins.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#ifndef __SOUND_DA9055_H__
+#define __SOUND_DA9055_H__
+
+enum da9055_micbias_voltage {
+        DA9055_MICBIAS_1_6V = 0,
+        DA9055_MICBIAS_1_8V = 1,
+        DA9055_MICBIAS_2_1V = 2,
+        DA9055_MICBIAS_2_2V = 3,
+};
+
+struct da9055_platform_data {
+        /* Selects which of the two MicBias pins acts as the bias source */
+        bool micbias_source;
+        /* Selects the micbias voltage */
+        enum da9055_micbias_voltage micbias;
+};
+
+#endif