From: Jonathan Cameron <jic23@kernel.org>
To: Stefan Popa <stefan.popa@analog.com>
Cc: <robh+dt@kernel.org>, <mark.rutland@arm.com>,
<Michael.Hennerich@analog.com>, <knaack.h@gmx.de>,
<lars@metafoo.de>, <pmeerw@pmeerw.net>,
<gregkh@linuxfoundation.org>, <linux-kernel@vger.kernel.org>,
<linux-iio@vger.kernel.org>, <devel@driverdev.osuosl.org>,
<stefan.popa@analog.co>
Subject: Re: [PATCH 11/11] dt-bindings: iio: adc: Add docs for AD7606 ADC
Date: Sun, 16 Dec 2018 13:58:14 +0000 [thread overview]
Message-ID: <20181216135814.79b616f2@archlinux> (raw)
In-Reply-To: <1544705183-13288-12-git-send-email-stefan.popa@analog.com>
On Thu, 13 Dec 2018 14:46:23 +0200
Stefan Popa <stefan.popa@analog.com> wrote:
> Document support for AD7606 Analog to Digital Converter.
>
> Signed-off-by: Stefan Popa <stefan.popa@analog.com>
> Reviewed-by: Rob Herring <robh@kernel.org>
Will have to wait on this as the MAINTAINERS bit obviously isn't there yet.
Otherwise I would have just added it now. Oh well, v2.
Thanks,
Jonathan
> ---
> .../devicetree/bindings/iio/adc/adi,ad7606.txt | 65 ++++++++++++++++++++++
> MAINTAINERS | 1 +
> 2 files changed, 66 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/iio/adc/adi,ad7606.txt
>
> diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7606.txt b/Documentation/devicetree/bindings/iio/adc/adi,ad7606.txt
> new file mode 100644
> index 0000000..d7b6241
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7606.txt
> @@ -0,0 +1,65 @@
> +Analog Devices AD7606 Simultaneous Sampling ADC
> +
> +Required properties for the AD7606:
> +
> +- compatible: Must be one of
> + * "adi,ad7605-4"
> + * "adi,ad7606-8"
> + * "adi,ad7606-6"
> + * "adi,ad7606-4"
> +- reg: SPI chip select number for the device
> +- spi-max-frequency: Max SPI frequency to use
> + see: Documentation/devicetree/bindings/spi/spi-bus.txt
> +- spi-cpha: See Documentation/devicetree/bindings/spi/spi-bus.txt
> +- avcc-supply: phandle to the Avcc power supply
> +- interrupts: IRQ line for the ADC
> + see: Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
> +- adi,conversion-start-gpios: must be the device tree identifier of the CONVST pin.
> + This logic input is used to initiate conversions on the analog
> + input channels. As the line is active high, it should be marked
> + GPIO_ACTIVE_HIGH.
> +
> +Optional properties:
> +
> +- reset-gpios: must be the device tree identifier of the RESET pin. If specified,
> + it will be asserted during driver probe. As the line is active high,
> + it should be marked GPIO_ACTIVE_HIGH.
> +- standby-gpios: must be the device tree identifier of the STBY pin. This pin is used
> + to place the AD7606 into one of two power-down modes, Standby mode or
> + Shutdown mode. As the line is active low, it should be marked
> + GPIO_ACTIVE_LOW.
> +- adi,first-data-gpios: must be the device tree identifier of the FRSTDATA pin.
> + The FRSTDATA output indicates when the first channel, V1, is
> + being read back on either the parallel, byte or serial interface.
> + As the line is active high, it should be marked GPIO_ACTIVE_HIGH.
> +- adi,range-gpios: must be the device tree identifier of the RANGE pin. The polarity on
> + this pin determines the input range of the analog input channels. If
> + this pin is tied to a logic high, the analog input range is ±10V for
> + all channels. If this pin is tied to a logic low, the analog input range
> + is ±5V for all channels. As the line is active high, it should be marked
> + GPIO_ACTIVE_HIGH.
> +- adi,oversampling-ratio-gpios: must be the device tree identifier of the over-sampling
> + mode pins. As the line is active high, it should be marked
> + GPIO_ACTIVE_HIGH.
> +
> +Example:
> +
> + adc@0 {
> + compatible = "adi,ad7606-8";
> + reg = <0>;
> + spi-max-frequency = <1000000>;
> + spi-cpol;
> +
> + avcc-supply = <&adc_vref>;
> +
> + interrupts = <25 IRQ_TYPE_EDGE_FALLING>;
> + interrupt-parent = <&gpio>;
> +
> + adi,conversion-start-gpios = <&gpio 17 GPIO_ACTIVE_HIGH>;
> + reset-gpios = <&gpio 27 GPIO_ACTIVE_HIGH>;
> + adi,first-data-gpios = <&gpio 22 GPIO_ACTIVE_HIGH>;
> + adi,oversampling-ratio-gpios = <&gpio 18 GPIO_ACTIVE_HIGH
> + &gpio 23 GPIO_ACTIVE_HIGH
> + &gpio 26 GPIO_ACTIVE_HIGH>;
> + standby-gpios = <&gpio 24 GPIO_ACTIVE_LOW>;
> + };
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 7256ce6..798e9a2 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -859,6 +859,7 @@ L: linux-iio@vger.kernel.org
> W: http://ez.analog.com/community/linux-device-drivers
> S: Supported
> F: drivers/iio/adc/ad7606.c
> +F: Documentation/devicetree/bindings/iio/adc/ad7606.txt
>
> ANALOG DEVICES INC AD9389B DRIVER
> M: Hans Verkuil <hans.verkuil@cisco.com>
prev parent reply other threads:[~2018-12-16 13:58 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-13 12:46 [PATCH 00/11] staging: iio: ad7606: Move out of staging Stefan Popa
2018-12-13 12:46 ` [PATCH 01/11] staging: iio: adc: ad7606: Simplify the Kconfing menu Stefan Popa
2018-12-13 15:37 ` Rob Herring
2018-12-13 12:46 ` [PATCH 02/11] staging: iio: adc: ad7606: Use SPDX identifier Stefan Popa
2018-12-13 13:21 ` Dan Carpenter
2018-12-13 12:46 ` [PATCH 03/11] staging: iio: adc: ad7606: Use wait-for-completion handler Stefan Popa
2018-12-16 13:41 ` Jonathan Cameron
2018-12-13 12:46 ` [PATCH 04/11] staging: iio: adc: ad7606: Use devm functions in probe Stefan Popa
2018-12-16 13:43 ` Jonathan Cameron
2018-12-13 12:46 ` [PATCH 05/11] staging: iio: adc: ad7606: Add support for threaded irq Stefan Popa
2018-12-13 13:28 ` Dan Carpenter
2018-12-16 13:49 ` Jonathan Cameron
2018-12-17 10:28 ` Popa, Stefan Serban
2018-12-13 12:46 ` [PATCH 06/11] staging: iio: adc: ad7606: Use find_closest() macro Stefan Popa
2018-12-16 13:51 ` Jonathan Cameron
2018-12-13 12:46 ` [PATCH 07/11] staging: iio: adc: ad7606: Use vendor prefix for DT properties Stefan Popa
2018-12-16 13:53 ` Jonathan Cameron
2018-12-13 12:46 ` [PATCH 08/11] staging: iio: adc: ad7606: Add OF device ID table Stefan Popa
2018-12-16 13:54 ` Jonathan Cameron
2018-12-13 12:46 ` [PATCH 09/11] staging: iio: adc: ad7606: Misc style fixes (no functional change) Stefan Popa
2018-12-16 13:56 ` Jonathan Cameron
2018-12-13 12:46 ` [PATCH 10/11] staging: iio: adc: ad7606: Move out of staging Stefan Popa
2018-12-16 14:14 ` Jonathan Cameron
2018-12-20 19:45 ` kbuild test robot
2018-12-13 12:46 ` [PATCH 11/11] dt-bindings: iio: adc: Add docs for AD7606 ADC Stefan Popa
2018-12-16 13:58 ` Jonathan Cameron [this message]
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