ASoC: Add support for CS42L52 Codec

This patch adds support for Cirrus Logic CS42L52 Low Power Stereo Codec

Signed-off-by: Brian Austin <brian.austin@cirrus.com>
Signed-off-by: Georgi Vlaev <joe@nucleusys.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 36 insertions, 0 deletions

diff --git a/include/sound/cs42l52.h b/include/sound/cs42l52.h
new file mode 100644
index 00000000000..4c68955f733
--- /dev/null
+++ b/include/sound/cs42l52.h
@@ -0,0 +1,36 @@
+/*
+ * linux/sound/cs42l52.h -- Platform data for CS42L52
+ *
+ * Copyright (c) 2012 Cirrus Logic Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __CS42L52_H
+#define __CS42L52_H
+
+struct cs42l52_platform_data {
+
+        /* MICBIAS Level. Check datasheet Pg48 */
+        unsigned int micbias_lvl;
+
+        /* MICA mode selection 0=Single 1=Differential */
+        unsigned int mica_cfg;
+
+        /* MICB mode selection 0=Single 1=Differential */
+        unsigned int micb_cfg;
+
+        /* MICA Select 0=MIC1A 1=MIC2A */
+        unsigned int mica_sel;
+
+        /* MICB Select 0=MIC2A 1=MIC2B */
+        unsigned int micb_sel;
+
+        /* Charge Pump Freq. Check datasheet Pg73 */
+        unsigned int chgfreq;
+
+};
+
+#endif /* __CS42L52_H */