diff options
| author | Markus Pargmann <mpa@pengutronix.de> | 2015-12-14 14:53:48 +0100 |
|---|---|---|
| committer | Lee Jones <lee.jones@linaro.org> | 2016-02-11 15:35:09 +0000 |
| commit | 337600fbeeb70e9ec052ca5fe0a09047c70649be (patch) | |
| tree | 9cd9997518568e74f71bd5eb2b3c9e7b222ea947 /include/dt-bindings | |
| parent | 43de29baa93873b48ed898ef5584c7cfa70ece3c (diff) | |
| download | linux-337600fbeeb70e9ec052ca5fe0a09047c70649be.tar.bz2 | |
iio: Add binding documentation for imx25 GCQ
The documentation describes the bindings for the imx25 GCQ unit which is
essentially a generic conversion queue using the imx25 ADC.
Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'include/dt-bindings')
| -rw-r--r-- | include/dt-bindings/iio/adc/fsl-imx25-gcq.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/include/dt-bindings/iio/adc/fsl-imx25-gcq.h b/include/dt-bindings/iio/adc/fsl-imx25-gcq.h new file mode 100644 index 000000000000..87abdd4a7674 --- /dev/null +++ b/include/dt-bindings/iio/adc/fsl-imx25-gcq.h @@ -0,0 +1,18 @@ +/* + * This header provides constants for configuring the I.MX25 ADC + */ + +#ifndef _DT_BINDINGS_IIO_ADC_FS_IMX25_GCQ_H +#define _DT_BINDINGS_IIO_ADC_FS_IMX25_GCQ_H + +#define MX25_ADC_REFP_YP 0 /* YP voltage reference */ +#define MX25_ADC_REFP_XP 1 /* XP voltage reference */ +#define MX25_ADC_REFP_EXT 2 /* External voltage reference */ +#define MX25_ADC_REFP_INT 3 /* Internal voltage reference */ + +#define MX25_ADC_REFN_XN 0 /* XN ground reference */ +#define MX25_ADC_REFN_YN 1 /* YN ground reference */ +#define MX25_ADC_REFN_NGND 2 /* Internal ground reference */ +#define MX25_ADC_REFN_NGND2 3 /* External ground reference */ + +#endif |