Re: [PATCH v3 1/2] iio: adc: driver for ti adc081s/adc101s/adc121s

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On 01/21/2018 01:39 PM, Jonathan Cameron wrote:
On Sun, 14 Jan 2018 21:32:39 +0100
Milan Stevanovic <milan.o.stevanovic@xxxxxxxxx> wrote:

     Add Linux device driver for TI single-channel CMOS
     8/10/12-bit analog-to-digital converter with a
     high-speed serial interface.

Signed-off-by: Milan Stevanovic <milan.o.stevanovic@xxxxxxxxx>

Great, applied to the togreg branch of iio.git and pushed out as testing
for the autobuilders to play with it.

A useful follow up for this at some point would be to put in
a proper devicetree table and document the bindings but not real
rush on that.

Thanks,

Jonathan
Ok.. Thanks a lot.. I will add devicetree later

Best regards
Milan
---
Changes in v2:
      - Fix typo error
      - Keep Copyright comment
Changes in v3:
      - Split patch in two patches.
      - Second patch is license description
---
  drivers/iio/adc/ad7476.c | 23 ++++++++++++++++++++++-
  1 file changed, 22 insertions(+), 1 deletion(-)

diff --git a/drivers/iio/adc/ad7476.c b/drivers/iio/adc/ad7476.c
index b7706bf..0ea0f90 100644
--- a/drivers/iio/adc/ad7476.c
+++ b/drivers/iio/adc/ad7476.c
@@ -1,5 +1,6 @@
  /*
- * AD7466/7/8 AD7476/5/7/8 (A) SPI ADC driver
+ * Analog Devices AD7466/7/8 AD7476/5/7/8 (A) SPI ADC driver
+ * TI ADC081S/ADC101S/ADC121S 8/10/12-bit SPI ADC driver
   *
   * Copyright 2010 Analog Devices Inc.
   *
@@ -56,6 +57,9 @@ enum ad7476_supported_device_ids {
  	ID_AD7468,
  	ID_AD7495,
  	ID_AD7940,
+	ID_ADC081S,
+	ID_ADC101S,
+	ID_ADC121S,
  };
static irqreturn_t ad7476_trigger_handler(int irq, void *p)
@@ -147,6 +151,8 @@ static int ad7476_read_raw(struct iio_dev *indio_dev,
  	},							\
  }
+#define ADC081S_CHAN(bits) _AD7476_CHAN((bits), 12 - (bits), \
+		BIT(IIO_CHAN_INFO_RAW))
  #define AD7476_CHAN(bits) _AD7476_CHAN((bits), 13 - (bits), \
  		BIT(IIO_CHAN_INFO_RAW))
  #define AD7940_CHAN(bits) _AD7476_CHAN((bits), 15 - (bits), \
@@ -192,6 +198,18 @@ static const struct ad7476_chip_info ad7476_chip_info_tbl[] = {
  		.channel[0] = AD7940_CHAN(14),
  		.channel[1] = IIO_CHAN_SOFT_TIMESTAMP(1),
  	},
+	[ID_ADC081S] = {
+		.channel[0] = ADC081S_CHAN(8),
+		.channel[1] = IIO_CHAN_SOFT_TIMESTAMP(1),
+	},
+	[ID_ADC101S] = {
+		.channel[0] = ADC081S_CHAN(10),
+		.channel[1] = IIO_CHAN_SOFT_TIMESTAMP(1),
+	},
+	[ID_ADC121S] = {
+		.channel[0] = ADC081S_CHAN(12),
+		.channel[1] = IIO_CHAN_SOFT_TIMESTAMP(1),
+	},
  };
static const struct iio_info ad7476_info = {
@@ -294,6 +312,9 @@ static const struct spi_device_id ad7476_id[] = {
  	{"ad7910", ID_AD7467},
  	{"ad7920", ID_AD7466},
  	{"ad7940", ID_AD7940},
+	{"adc081s", ID_ADC081S},
+	{"adc101s", ID_ADC101S},
+	{"adc121s", ID_ADC121S},
  	{}
  };
  MODULE_DEVICE_TABLE(spi, ad7476_id);

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