From: Krzysztof Kozlowski <krzk@kernel.org>
To: Matti Vaittinen <mazziesaccount@gmail.com>
Cc: "Matti Vaittinen" <matti.vaittinen@fi.rohmeurope.com>,
"Lars-Peter Clausen" <lars@metafoo.de>,
"Michael Hennerich" <Michael.Hennerich@analog.com>,
"Jonathan Cameron" <jic23@kernel.org>,
"David Lechner" <dlechner@baylibre.com>,
"Nuno Sá" <nuno.sa@analog.com>,
"Andy Shevchenko" <andy@kernel.org>,
"Rob Herring" <robh@kernel.org>,
"Krzysztof Kozlowski" <krzk+dt@kernel.org>,
"Conor Dooley" <conor+dt@kernel.org>,
"Liam Girdwood" <lgirdwood@gmail.com>,
"Mark Brown" <broonie@kernel.org>,
linux-iio@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4 09/11] dt-bindings: iio: adc: ad7476: Add ROHM bd79105
Date: Thu, 14 Aug 2025 09:29:04 +0200 [thread overview]
Message-ID: <20250814-hilarious-nonchalant-bat-b205cf@kuoka> (raw)
In-Reply-To: <3f70f68665225be3091f8a0412e74037b6a2a88e.1754901948.git.mazziesaccount@gmail.com>
On Mon, Aug 11, 2025 at 11:52:04AM +0300, Matti Vaittinen wrote:
> The ROHM BD79105 is a simple, 16-bit, 1-channel ADC with a 'CONVSTART'
> pin used to start the ADC conversion. Other than the 'CONVSTART', there
> are 3 supply pins (one used as a reference), analog inputs, ground and
> communication pins. It's worth noting that the pin somewhat confusingly
> labeled as 'DIN', is a pin which should be used as a chip-select. The IC
> does not have any writable registers.
>
> The device is designed so that the output pin can, in addition to
> outputting the data, be used as a 'data-ready'-IRQ. There are cases
> where the IRQ can't be used (because it is delivered via SPI data-line).
> Hence, some systems may use a GPIO for polling the data readiness.
>
> Add a compatible for the bd79105 and add the data-ready GPIO to the
> binding.
>
> Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Best regards,
Krzysztof
next prev parent reply other threads:[~2025-08-14 7:29 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-11 8:50 [PATCH v4 00/11] Support ROHM BD79105 ADC Matti Vaittinen
2025-08-11 8:50 ` [PATCH v4 01/11] iio: adc: ad7476: Simplify chip type detection Matti Vaittinen
2025-08-11 8:50 ` [PATCH v4 02/11] iio: adc: ad7476: Simplify scale handling Matti Vaittinen
2025-08-11 8:50 ` [PATCH v4 03/11] iio: adc: ad7476: Use mV for internal reference Matti Vaittinen
2025-08-11 8:51 ` [PATCH v4 04/11] iio: adc: ad7476: Use correct channel for bit info Matti Vaittinen
2025-08-11 8:51 ` [PATCH v4 05/11] iio: adc: ad7476: use *_cansleep GPIO APIs Matti Vaittinen
2025-08-11 8:51 ` [PATCH v4 06/11] iio: adc: ad7476: Drop convstart chan_spec Matti Vaittinen
2025-08-11 8:51 ` [PATCH v4 07/11] iio: adc: ad7476: Conditionally call convstart Matti Vaittinen
2025-08-11 8:51 ` [PATCH v4 08/11] dt-bindings: iio: adc: ad7476: Drop redundant prop: true Matti Vaittinen
2025-08-14 7:25 ` Krzysztof Kozlowski
2025-08-11 8:52 ` [PATCH v4 09/11] dt-bindings: iio: adc: ad7476: Add ROHM bd79105 Matti Vaittinen
2025-08-14 7:29 ` Krzysztof Kozlowski [this message]
2025-08-11 8:52 ` [PATCH v4 10/11] iio: adc: ad7476: Support ROHM BD79105 Matti Vaittinen
2025-08-11 8:52 ` [PATCH v4 11/11] MAINTAINERS: A driver for simple 1-channel SPI ADCs Matti Vaittinen
2025-08-16 12:22 ` [PATCH v4 00/11] Support ROHM BD79105 ADC Jonathan Cameron
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