staging:iio: Move DAC drivers out of staging

The IIO DAC drivers are in a reasonably good shape. They all make use of channel
spec and non of them provides non-documented sysfs attributes. Code style should
be OK as well, both checkpatch and coccicheck only report trivial issues.

So lets move the whole folder out of staging.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

4 files changed, 84 insertions, 0 deletions

diff --git a/include/linux/iio/dac/ad5421.h b/include/linux/iio/dac/ad5421.h
new file mode 100644
index 000000000000..8fd8f057a890
--- /dev/null
+++ b/include/linux/iio/dac/ad5421.h
@@ -0,0 +1,28 @@
+#ifndef __IIO_DAC_AD5421_H__
+#define __IIO_DAC_AD5421_H__
+
+/**
+ * enum ad5421_current_range - Current range the AD5421 is configured for.
+ * @AD5421_CURRENT_RANGE_4mA_20mA: 4 mA to 20 mA (RANGE1,0 pins = 00)
+ * @AD5421_CURRENT_RANGE_3mA8_21mA: 3.8 mA to 21 mA (RANGE1,0 pins = x1)
+ * @AD5421_CURRENT_RANGE_3mA2_24mA: 3.2 mA to 24 mA (RANGE1,0 pins = 10)
+ */
+
+enum ad5421_current_range {
+        AD5421_CURRENT_RANGE_4mA_20mA,
+        AD5421_CURRENT_RANGE_3mA8_21mA,
+        AD5421_CURRENT_RANGE_3mA2_24mA,
+};
+
+/**
+ * struct ad5421_platform_data - AD5421 DAC driver platform data
+ * @external_vref: whether an external reference voltage is used or not
+ * @current_range: Current range the AD5421 is configured for
+ */
+
+struct ad5421_platform_data {
+        bool external_vref;
+        enum ad5421_current_range current_range;
+};
+
+#endif
diff --git a/include/linux/iio/dac/ad5504.h b/include/linux/iio/dac/ad5504.h
new file mode 100644
index 000000000000..43895376a9ca
--- /dev/null
+++ b/include/linux/iio/dac/ad5504.h
@@ -0,0 +1,16 @@
+/*
+ * AD5504 SPI DAC driver
+ *
+ * Copyright 2011 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2.
+ */
+
+#ifndef SPI_AD5504_H_
+#define SPI_AD5504_H_
+
+struct ad5504_platform_data {
+        u16                             vref_mv;
+};
+
+#endif /* SPI_AD5504_H_ */
diff --git a/include/linux/iio/dac/ad5791.h b/include/linux/iio/dac/ad5791.h
new file mode 100644
index 000000000000..45ee281c6660
--- /dev/null
+++ b/include/linux/iio/dac/ad5791.h
@@ -0,0 +1,25 @@
+/*
+ * AD5791 SPI DAC driver
+ *
+ * Copyright 2011 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2.
+ */
+
+#ifndef SPI_AD5791_H_
+#define SPI_AD5791_H_
+
+/**
+ * struct ad5791_platform_data - platform specific information
+ * @vref_pos_mv:        Vdd Positive Analog Supply Volatge (mV)
+ * @vref_neg_mv:        Vdd Negative Analog Supply Volatge (mV)
+ * @use_rbuf_gain2:     ext. amplifier connected in gain of two configuration
+ */
+
+struct ad5791_platform_data {
+        u16                             vref_pos_mv;
+        u16                             vref_neg_mv;
+        bool                            use_rbuf_gain2;
+};
+
+#endif /* SPI_AD5791_H_ */
diff --git a/include/linux/iio/dac/max517.h b/include/linux/iio/dac/max517.h
new file mode 100644
index 000000000000..f6d1d252f08d
--- /dev/null
+++ b/include/linux/iio/dac/max517.h
@@ -0,0 +1,15 @@
+/*
+ * MAX517 DAC driver
+ *
+ * Copyright 2011 Roland Stigge <stigge@antcom.de>
+ *
+ * Licensed under the GPL-2 or later.
+ */
+#ifndef IIO_DAC_MAX517_H_
+#define IIO_DAC_MAX517_H_
+
+struct max517_platform_data {
+        u16                             vref_mv[2];
+};
+
+#endif /* IIO_DAC_MAX517_H_ */