From 337600fbeeb70e9ec052ca5fe0a09047c70649be Mon Sep 17 00:00:00 2001 From: Markus Pargmann Date: Mon, 14 Dec 2015 14:53:48 +0100 Subject: 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 Acked-by: Rob Herring Acked-by: Jonathan Cameron Signed-off-by: Lee Jones --- include/dt-bindings/iio/adc/fsl-imx25-gcq.h | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 include/dt-bindings/iio/adc/fsl-imx25-gcq.h (limited to 'include/dt-bindings') 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 -- cgit v1.2.3