From: Dmitry Rokosov <ddrokosov@sberdevices.ru>
To: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Cc: George Stark <gnstark@sberdevices.ru>, <jic23@kernel.org>,
<lars@metafoo.de>, <neil.armstrong@linaro.org>,
<khilman@baylibre.com>, <jbrunet@baylibre.com>,
<andy.shevchenko@gmail.com>, <nuno.sa@analog.com>,
<linux-iio@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-amlogic@lists.infradead.org>,
<linux-kernel@vger.kernel.org>, <kernel@sberdevices.ru>
Subject: Re: [PATCH v1] meson saradc: fix clock divider mask length
Date: Wed, 17 May 2023 12:21:00 +0300 [thread overview]
Message-ID: <20230517092100.wgnfuzdhgotlvv22@CAB-WSD-L081021> (raw)
In-Reply-To: <CAFBinCCc+t7Ks6fqz38cVrufPRFdxFgC9Qp+JhcM1KfD6pupTg@mail.gmail.com>
Hello Martin,
On Tue, May 16, 2023 at 09:08:26PM +0200, Martin Blumenstingl wrote:
> Hi George,
>
> thank you for this patch!
>
> On Mon, May 15, 2023 at 11:06 PM George Stark <gnstark@sberdevices.ru> wrote:
> >
> > From: George Stark <GNStark@sberdevices.ru>
> >
> > According to datasheets of supported meson SOCs
> > length of ADC_CLK_DIV field is 6 bits long
> I have a question about this sentence which doesn't affect this patch
> - it's only about managing expectations:
> Which SoC are you referring to?
> This divider is only relevant on older SoCs that predate GXBB (S905).
> To my knowledge all SoCs from GXBB onwards place the divider in the
> main or AO clock controller, so this bitmask is irrelevant there.
>
We are currently working with the A1 SoC family, specifically the A113L
variant. According to the datasheet for the A113L, the ADC_CLK_DIV can
be found in the SAR_ADC_REG3 register as a 6-bit value located within
bits 15 through 10.
> > Fixes: 3adbf3427330 ("iio: adc: add a driver for the SAR ADC found in Amlogic Meson SoCs")
> > Signed-off-by: George Stark <GNStark@sberdevices.ru>
> Since my question above doesn't affect this patch:
> Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
--
Thank you,
Dmitry
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next prev parent reply other threads:[~2023-05-17 9:21 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-15 21:05 [PATCH v1] meson saradc: fix clock divider mask length George Stark
2023-05-16 8:22 ` neil.armstrong
2023-05-16 19:08 ` Martin Blumenstingl
2023-05-17 9:21 ` Dmitry Rokosov [this message]
2023-05-17 11:37 ` Vyacheslav
2023-05-17 19:28 ` Martin Blumenstingl
2023-05-22 9:04 ` Dmitry Rokosov
2023-05-22 15:47 ` Старк Георгий Николаевич
2023-05-29 20:41 ` Martin Blumenstingl
2023-05-31 11:33 ` George Stark
2023-06-01 20:52 ` George Stark
2023-06-05 20:18 ` Martin Blumenstingl
2023-06-06 12:53 ` George Stark
2023-05-17 16:47 ` Старк Георгий Николаевич
2023-05-20 15:46 ` Jonathan Cameron
2023-05-21 8:53 ` Andy Shevchenko
2023-05-22 9:11 ` Dmitry Rokosov
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