ASoC: wm2200: Add WM2200 CODEC driver

The WM2200 is a low power mobile CODEC with enhanced Wolfson myZone
Ambient Noise Cancellation (ANC) intended for mobile telephony
applications.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 41 insertions, 0 deletions

diff --git a/include/sound/wm2200.h b/include/sound/wm2200.h
new file mode 100644
index 000000000000..79bf55be7ffa
--- /dev/null
+++ b/include/sound/wm2200.h
@@ -0,0 +1,41 @@
+/*
+ * linux/sound/wm2200.h -- Platform data for WM2200
+ *
+ * Copyright 2012 Wolfson Microelectronics. PLC.
+ *
+ * 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 __LINUX_SND_WM2200_H
+#define __LINUX_SND_WM2200_H
+
+#define WM2200_GPIO_SET 0x10000
+
+enum wm2200_in_mode {
+        WM2200_IN_SE = 0,
+        WM2200_IN_DIFF = 1,
+        WM2200_IN_DMIC = 2,
+};
+
+enum wm2200_dmic_sup {
+        WM2200_DMIC_SUP_MICVDD = 0,
+        WM2200_DMIC_SUP_MICBIAS1 = 1,
+        WM2200_DMIC_SUP_MICBIAS2 = 2,
+};
+
+struct wm2200_pdata {
+        int reset;      /** GPIO controlling /RESET, if any */
+        int ldo_ena;    /** GPIO controlling LODENA, if any */
+        int irq_flags;
+
+        int gpio_defaults[4];
+
+        enum wm2200_in_mode in_mode[3];
+        enum wm2200_dmic_sup dmic_sup[3];
+
+        int micbias_cfg[2];  /** Register value to configure MICBIAS */
+};
+
+#endif