Re: [PATCH 1/1] iio:adc128s052: add support for adc124s021

From: Martin Kepplinger
Date: Fri Dec 11 2015 - 06:51:21 EST


Am 2015-12-09 um 10:24 schrieb Oliver StÃbler:
> Signed-off-by: Oliver StÃbler <oliver.staebler@xxxxxxxxxxxxxx>

If the datasheet is publicly available, please link to it in the commit
message, so people can easily verify this.

Seems ok though. Feel free to add
Reviewed-by: Martin Kepplinger <martink@xxxxxxxxx>
if you feel like it.

thanks
martin

> ---
> Documentation/devicetree/bindings/iio/adc/ti-adc128s052.txt | 4 ++--
> drivers/iio/adc/Kconfig | 6 +++---
> drivers/iio/adc/ti-adc128s052.c | 13 ++++++++++++-
> 3 files changed, 17 insertions(+), 6 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/iio/adc/ti-adc128s052.txt b/Documentation/devicetree/bindings/iio/adc/ti-adc128s052.txt
> index 15ca6b4..daa2b2c 100644
> --- a/Documentation/devicetree/bindings/iio/adc/ti-adc128s052.txt
> +++ b/Documentation/devicetree/bindings/iio/adc/ti-adc128s052.txt
> @@ -1,7 +1,7 @@
> -* Texas Instruments' ADC128S052 and ADC122S021 ADC chip
> +* Texas Instruments' ADC128S052, ADC122S021 and ADC124S021 ADC chip
>
> Required properties:
> - - compatible: Should be "ti,adc128s052" or "ti,adc122s021"
> + - compatible: Should be "ti,adc128s052", "ti,adc122s021" or "ti,adc124s021"
> - reg: spi chip select number for the device
> - vref-supply: The regulator supply for ADC reference voltage
>
> diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig
> index 7868c74..351bd11 100644
> --- a/drivers/iio/adc/Kconfig
> +++ b/drivers/iio/adc/Kconfig
> @@ -324,11 +324,11 @@ config TI_ADC081C
> called ti-adc081c.
>
> config TI_ADC128S052
> - tristate "Texas Instruments ADC128S052/ADC122S021"
> + tristate "Texas Instruments ADC128S052/ADC122S021/ADC124S021"
> depends on SPI
> help
> - If you say yes here you get support for Texas Instruments ADC128S052
> - and ADC122S021 chips.
> + If you say yes here you get support for Texas Instruments ADC128S052,
> + ADC122S021 and ADC124S021 chips.
>
> This driver can also be built as a module. If so, the module will be
> called ti-adc128s052.
> diff --git a/drivers/iio/adc/ti-adc128s052.c b/drivers/iio/adc/ti-adc128s052.c
> index ff6f7f6..bc58867 100644
> --- a/drivers/iio/adc/ti-adc128s052.c
> +++ b/drivers/iio/adc/ti-adc128s052.c
> @@ -1,10 +1,11 @@
> /*
> * Copyright (C) 2014 Angelo Compagnucci <angelo.compagnucci@xxxxxxxxx>
> *
> - * Driver for Texas Instruments' ADC128S052 and ADC122S021 ADC chip.
> + * Driver for Texas Instruments' ADC128S052, ADC122S021 and ADC124S021 ADC chip.
> * Datasheets can be found here:
> * http://www.ti.com/lit/ds/symlink/adc128s052.pdf
> * http://www.ti.com/lit/ds/symlink/adc122s021.pdf
> + * http://www.ti.com/lit/ds/symlink/adc124s021.pdf
> *
> * 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
> @@ -114,9 +115,17 @@ static const struct iio_chan_spec adc122s021_channels[] = {
> ADC128_VOLTAGE_CHANNEL(1),
> };
>
> +static const struct iio_chan_spec adc124s021_channels[] = {
> + ADC128_VOLTAGE_CHANNEL(0),
> + ADC128_VOLTAGE_CHANNEL(1),
> + ADC128_VOLTAGE_CHANNEL(2),
> + ADC128_VOLTAGE_CHANNEL(3),
> +};
> +
> static const struct adc128_configuration adc128_config[] = {
> { adc128s052_channels, ARRAY_SIZE(adc128s052_channels) },
> { adc122s021_channels, ARRAY_SIZE(adc122s021_channels) },
> + { adc124s021_channels, ARRAY_SIZE(adc124s021_channels) },
> };
>
> static const struct iio_info adc128_info = {
> @@ -177,6 +186,7 @@ static int adc128_remove(struct spi_device *spi)
> static const struct of_device_id adc128_of_match[] = {
> { .compatible = "ti,adc128s052", },
> { .compatible = "ti,adc122s021", },
> + { .compatible = "ti,adc124s021", },
> { /* sentinel */ },
> };
> MODULE_DEVICE_TABLE(of, adc128_of_match);
> @@ -184,6 +194,7 @@ MODULE_DEVICE_TABLE(of, adc128_of_match);
> static const struct spi_device_id adc128_id[] = {
> { "adc128s052", 0}, /* index into adc128_config */
> { "adc122s021", 1},
> + { "adc124s021", 2},
> { }
> };
> MODULE_DEVICE_TABLE(spi, adc128_id);
>

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