ASoC: Add support for CS42L42 codec
Add support for Cirrus Logic CS42L42 codec. SoundWire support
is not enabled. Features support for I2C control and I2S audio.
Signed-off-by: James Schulman <james.schulman@cirrus.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/include/dt-bindings/sound/cs42l42.h b/include/dt-bindings/sound/cs42l42.h
new file mode 100644
index 0000000..399a123
--- /dev/null
+++ b/include/dt-bindings/sound/cs42l42.h
@@ -0,0 +1,73 @@
+/*
+ * cs42l42.h -- CS42L42 ALSA SoC audio driver DT bindings header
+ *
+ * Copyright 2016 Cirrus Logic, Inc.
+ *
+ * Author: James Schulman <james.schulman@cirrus.com>
+ * Author: Brian Austin <brian.austin@cirrus.com>
+ * Author: Michael White <michael.white@cirrus.com>
+ *
+ * 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 __DT_CS42L42_H
+#define __DT_CS42L42_H
+
+/* HPOUT Load Capacity */
+#define CS42L42_HPOUT_LOAD_1NF 0
+#define CS42L42_HPOUT_LOAD_10NF 1
+
+/* HPOUT Clamp to GND Overide */
+#define CS42L42_HPOUT_CLAMP_EN 0
+#define CS42L42_HPOUT_CLAMP_DIS 1
+
+/* Tip Sense Inversion */
+#define CS42L42_TS_INV_DIS 0
+#define CS42L42_TS_INV_EN 1
+
+/* Tip Sense Debounce */
+#define CS42L42_TS_DBNCE_0 0
+#define CS42L42_TS_DBNCE_125 1
+#define CS42L42_TS_DBNCE_250 2
+#define CS42L42_TS_DBNCE_500 3
+#define CS42L42_TS_DBNCE_750 4
+#define CS42L42_TS_DBNCE_1000 5
+#define CS42L42_TS_DBNCE_1250 6
+#define CS42L42_TS_DBNCE_1500 7
+
+/* Button Press Software Debounce Times */
+#define CS42L42_BTN_DET_INIT_DBNCE_MIN 0
+#define CS42L42_BTN_DET_INIT_DBNCE_DEFAULT 100
+#define CS42L42_BTN_DET_INIT_DBNCE_MAX 200
+
+#define CS42L42_BTN_DET_EVENT_DBNCE_MIN 0
+#define CS42L42_BTN_DET_EVENT_DBNCE_DEFAULT 10
+#define CS42L42_BTN_DET_EVENT_DBNCE_MAX 20
+
+/* Button Detect Level Sensitivities */
+#define CS42L42_NUM_BIASES 4
+
+#define CS42L42_HS_DET_LEVEL_15 0x0F
+#define CS42L42_HS_DET_LEVEL_8 0x08
+#define CS42L42_HS_DET_LEVEL_4 0x04
+#define CS42L42_HS_DET_LEVEL_1 0x01
+
+#define CS42L42_HS_DET_LEVEL_MIN 0
+#define CS42L42_HS_DET_LEVEL_MAX 0x3F
+
+/* HS Bias Ramp Rate */
+
+#define CS42L42_HSBIAS_RAMP_FAST_RISE_SLOW_FALL 0
+#define CS42L42_HSBIAS_RAMP_FAST 1
+#define CS42L42_HSBIAS_RAMP_SLOW 2
+#define CS42L42_HSBIAS_RAMP_SLOWEST 3
+
+#define CS42L42_HSBIAS_RAMP_TIME0 10
+#define CS42L42_HSBIAS_RAMP_TIME1 40
+#define CS42L42_HSBIAS_RAMP_TIME2 90
+#define CS42L42_HSBIAS_RAMP_TIME3 170
+
+#endif /* __DT_CS42L42_H */