From: Stefan Popa <stefan.popa@analog.com> To: <jic23@kernel.org>, <Michael.Hennerich@analog.com>, <lars@metafoo.de> Cc: <knaack.h@gmx.de>, <pmeerw@pmeerw.net>, <robh+dt@kernel.org>, <mark.rutland@arm.com>, <mchehab@kernel.org>, <davem@davemloft.net>, <gregkh@linuxfoundation.org>, <akpm@linux-foundation.org>, <linus.walleij@linaro.org>, <rdunlap@infradead.org>, <devicetree@vger.kernel.org>, <linux-iio@vger.kernel.org>, <linux-kernel@vger.kernel.org>, <stefan.popa@analog.com> Subject: [PATCH v2 2/2] dt-bindings: iio: dac: Add docs for AD5758 DAC Date: Thu, 7 Jun 2018 16:11:05 +0300 [thread overview] Message-ID: <1528377065-647-1-git-send-email-stefan.popa@analog.com> (raw) Signed-off-by: Stefan Popa <stefan.popa@analog.com> --- Changes in v2: - Nothing changed, just to follow the patch set version. .../devicetree/bindings/iio/dac/ad5758.txt | 84 ++++++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 85 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/dac/ad5758.txt diff --git a/Documentation/devicetree/bindings/iio/dac/ad5758.txt b/Documentation/devicetree/bindings/iio/dac/ad5758.txt new file mode 100644 index 0000000..75fff6c --- /dev/null +++ b/Documentation/devicetree/bindings/iio/dac/ad5758.txt @@ -0,0 +1,84 @@ +Analog Devices AD5758 DAC device driver + +Required properties for the AD5758: + - compatible: Must be "adi,ad5758" + - reg: SPI chip select number for the device + - spi-max-frequency: Max SPI frequency to use (< 50000000) + - spi-cpha: is the only mode that is supported + +Optional properties: + + - adi,dc-dc-mode: Mode of operation of the dc-to-dc converter + The following values are currently supported: + * 0: DC-to-DC converter powered off + * 1: DPC current mode + * 2: DPC voltage mode + * 3: PPC current mode + + - adi,dc-dc-ilim: The dc-to-dc converter current limit + The following values are currently supported [mA]: + * 150 + * 200 + * 250 + * 300 + * 350 + * 400 + + - adi,slew: Array of slewrate settings should contain 3 fields: + 1: Should be either 0 or 1 in order to enable or disable slewrate. + 2: Slew rate clock: + Valid values for the slew rate update frequency [Hz]: + * 240000 + * 200000 + * 150000 + * 128000 + * 64000 + * 32000 + * 16000 + * 8000 + * 4000 + * 2000 + * 1000 + * 512 + * 256 + * 128 + * 64 + * 16 + 3: Slew rate step: + Defines by how much the output value changes at each update. + Valid values for the step size LSBs: + * 4 + * 12 + * 64 + * 120 + * 256 + * 500 + * 1820 + * 2048 + + - adi,range: The output range + The following values are currently supported: + * 0: 0 V to 5 V voltage range + * 1: 0 V to 10 V voltage range + * 2: ±5 V voltage range + * 3: ±10 V voltage range + * 8: 0 mA to 20 mA current range + * 9: 0 mA to 24 mA current range + * 10: 4 mA to 20 mA current range + * 11: ±20 mA current range + * 12: ±24 mA current range + * 13: −1 mA to +22 mA current range + +AD5758 Example: + + ad5758@0 { + compatible = "adi,ad5758"; + reg = <0>; + spi-max-frequency = <1000000>; + spi-cpha; + + adi,dc-dc-mode = <2>; + adi,dc-dc-ilim = <200>; + adi,slew = <1 200000 12>; + adi,range = <1>; + }; diff --git a/MAINTAINERS b/MAINTAINERS index 1993779..f640146 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -808,6 +808,7 @@ L: linux-iio@vger.kernel.org W: http://ez.analog.com/community/linux-device-drivers S: Supported F: drivers/iio/dac/ad5758.c +F: Documentation/devicetree/bindings/iio/dac/ad5758.txt ANALOG DEVICES INC AD9389B DRIVER M: Hans Verkuil <hans.verkuil@cisco.com> -- 2.7.4
WARNING: multiple messages have this Message-ID (diff)
From: Stefan Popa <stefan.popa@analog.com> To: jic23@kernel.org, Michael.Hennerich@analog.com, lars@metafoo.de Cc: knaack.h@gmx.de, pmeerw@pmeerw.net, robh+dt@kernel.org, mark.rutland@arm.com, mchehab@kernel.org, davem@davemloft.net, gregkh@linuxfoundation.org, akpm@linux-foundation.org, linus.walleij@linaro.org, rdunlap@infradead.org, devicetree@vger.kernel.org, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, stefan.popa@analog.com Subject: [PATCH v2 2/2] dt-bindings: iio: dac: Add docs for AD5758 DAC Date: Thu, 7 Jun 2018 16:11:05 +0300 [thread overview] Message-ID: <1528377065-647-1-git-send-email-stefan.popa@analog.com> (raw) Signed-off-by: Stefan Popa <stefan.popa@analog.com> --- Changes in v2: - Nothing changed, just to follow the patch set version. .../devicetree/bindings/iio/dac/ad5758.txt | 84 ++++++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 85 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/dac/ad5758.txt diff --git a/Documentation/devicetree/bindings/iio/dac/ad5758.txt b/Documentation/devicetree/bindings/iio/dac/ad5758.txt new file mode 100644 index 0000000..75fff6c --- /dev/null +++ b/Documentation/devicetree/bindings/iio/dac/ad5758.txt @@ -0,0 +1,84 @@ +Analog Devices AD5758 DAC device driver + +Required properties for the AD5758: + - compatible: Must be "adi,ad5758" + - reg: SPI chip select number for the device + - spi-max-frequency: Max SPI frequency to use (< 50000000) + - spi-cpha: is the only mode that is supported + +Optional properties: + + - adi,dc-dc-mode: Mode of operation of the dc-to-dc converter + The following values are currently supported: + * 0: DC-to-DC converter powered off + * 1: DPC current mode + * 2: DPC voltage mode + * 3: PPC current mode + + - adi,dc-dc-ilim: The dc-to-dc converter current limit + The following values are currently supported [mA]: + * 150 + * 200 + * 250 + * 300 + * 350 + * 400 + + - adi,slew: Array of slewrate settings should contain 3 fields: + 1: Should be either 0 or 1 in order to enable or disable slewrate. + 2: Slew rate clock: + Valid values for the slew rate update frequency [Hz]: + * 240000 + * 200000 + * 150000 + * 128000 + * 64000 + * 32000 + * 16000 + * 8000 + * 4000 + * 2000 + * 1000 + * 512 + * 256 + * 128 + * 64 + * 16 + 3: Slew rate step: + Defines by how much the output value changes at each update. + Valid values for the step size LSBs: + * 4 + * 12 + * 64 + * 120 + * 256 + * 500 + * 1820 + * 2048 + + - adi,range: The output range + The following values are currently supported: + * 0: 0 V to 5 V voltage range + * 1: 0 V to 10 V voltage range + * 2: ±5 V voltage range + * 3: ±10 V voltage range + * 8: 0 mA to 20 mA current range + * 9: 0 mA to 24 mA current range + * 10: 4 mA to 20 mA current range + * 11: ±20 mA current range + * 12: ±24 mA current range + * 13: −1 mA to +22 mA current range + +AD5758 Example: + + ad5758@0 { + compatible = "adi,ad5758"; + reg = <0>; + spi-max-frequency = <1000000>; + spi-cpha; + + adi,dc-dc-mode = <2>; + adi,dc-dc-ilim = <200>; + adi,slew = <1 200000 12>; + adi,range = <1>; + }; diff --git a/MAINTAINERS b/MAINTAINERS index 1993779..f640146 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -808,6 +808,7 @@ L: linux-iio@vger.kernel.org W: http://ez.analog.com/community/linux-device-drivers S: Supported F: drivers/iio/dac/ad5758.c +F: Documentation/devicetree/bindings/iio/dac/ad5758.txt ANALOG DEVICES INC AD9389B DRIVER M: Hans Verkuil <hans.verkuil@cisco.com> -- 2.7.4
next reply other threads:[~2018-06-07 13:11 UTC|newest] Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top 2018-06-07 13:11 Stefan Popa [this message] 2018-06-07 13:11 ` [PATCH v2 2/2] dt-bindings: iio: dac: Add docs for AD5758 DAC Stefan Popa 2018-06-10 13:59 ` Jonathan Cameron 2018-06-10 13:59 ` Jonathan Cameron 2018-06-10 13:59 ` Jonathan Cameron 2018-06-12 18:21 ` Rob Herring 2018-06-11 8:42 ` Linus Walleij 2018-06-16 17:49 ` Jonathan Cameron 2018-06-16 17:49 ` Jonathan Cameron
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