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Thu, 14 Aug 2025 01:35:42 -0700 (PDT) Received: from mva-rohm ([213.255.186.46]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-55b88c99057sm5572085e87.91.2025.08.14.01.35.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 14 Aug 2025 01:35:41 -0700 (PDT) Date: Thu, 14 Aug 2025 11:35:37 +0300 From: Matti Vaittinen To: Matti Vaittinen , Matti Vaittinen Cc: Jonathan Cameron , David Lechner , Nuno =?iso-8859-1?Q?S=E1?= , Andy Shevchenko , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matti Vaittinen , David Heidelberg , linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Sukrut Bellary , Lothar Rubusch Subject: [PATCH 3/3] iio: adc: adc128s052: Support ROHM BD7910[0,1,2,3] Message-ID: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="RBe/8Sbrp2Y9Vhm6" Content-Disposition: inline In-Reply-To: --RBe/8Sbrp2Y9Vhm6 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" The ROHM BD79100, BD79101, BD79102, BD79103 are very similar ADCs as the ROHM BD79104. The BD79100 has only 1 channel. BD79101 has 2 channels and the BD79102 has 4 channels. Both BD79103 and BD79104 have 4 channels, and, based on the data sheets, they seem identical from the software point-of-view. Signed-off-by: Matti Vaittinen Reviewed-by: David Lechner --- Tested only using the BD79104. The ROHM hardware colleagues swore this testing should be sufficient... --- drivers/iio/adc/ti-adc128s052.c | 36 +++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) diff --git a/drivers/iio/adc/ti-adc128s052.c b/drivers/iio/adc/ti-adc128s05= 2.c index 81153253529e..2f2ed438cf4e 100644 --- a/drivers/iio/adc/ti-adc128s052.c +++ b/drivers/iio/adc/ti-adc128s052.c @@ -122,6 +122,10 @@ static const struct iio_chan_spec adc124s021_channels[= ] =3D { ADC128_VOLTAGE_CHANNEL(3), }; =20 +static const struct iio_chan_spec bd79100_channels[] =3D { + ADC128_VOLTAGE_CHANNEL(0), +}; + static const char * const bd79104_regulators[] =3D { "iovdd" }; =20 static const struct adc128_configuration adc122s_config =3D { @@ -142,6 +146,30 @@ static const struct adc128_configuration adc128s_confi= g =3D { .refname =3D "vref", }; =20 +static const struct adc128_configuration bd79100_config =3D { + .channels =3D bd79100_channels, + .num_channels =3D ARRAY_SIZE(bd79100_channels), + .refname =3D "vdd", + .other_regulators =3D &bd79104_regulators, + .num_other_regulators =3D 1, +}; + +static const struct adc128_configuration bd79101_config =3D { + .channels =3D adc122s021_channels, + .num_channels =3D ARRAY_SIZE(adc122s021_channels), + .refname =3D "vdd", + .other_regulators =3D &bd79104_regulators, + .num_other_regulators =3D 1, +}; + +static const struct adc128_configuration bd79102_config =3D { + .channels =3D adc124s021_channels, + .num_channels =3D ARRAY_SIZE(adc124s021_channels), + .refname =3D "vdd", + .other_regulators =3D &bd79104_regulators, + .num_other_regulators =3D 1, +}; + static const struct adc128_configuration bd79104_config =3D { .channels =3D adc128s052_channels, .num_channels =3D ARRAY_SIZE(adc128s052_channels), @@ -210,6 +238,10 @@ static const struct of_device_id adc128_of_match[] =3D= { { .compatible =3D "ti,adc124s021", .data =3D &adc124s_config }, { .compatible =3D "ti,adc124s051", .data =3D &adc124s_config }, { .compatible =3D "ti,adc124s101", .data =3D &adc124s_config }, + { .compatible =3D "rohm,bd79100", .data =3D &bd79100_config }, + { .compatible =3D "rohm,bd79101", .data =3D &bd79101_config }, + { .compatible =3D "rohm,bd79102", .data =3D &bd79102_config }, + { .compatible =3D "rohm,bd79103", .data =3D &bd79104_config }, { .compatible =3D "rohm,bd79104", .data =3D &bd79104_config }, { } }; @@ -223,6 +255,10 @@ static const struct spi_device_id adc128_id[] =3D { { "adc124s021", (kernel_ulong_t)&adc124s_config }, { "adc124s051", (kernel_ulong_t)&adc124s_config }, { "adc124s101", (kernel_ulong_t)&adc124s_config }, + { "bd79100", (kernel_ulong_t)&bd79100_config }, + { "bd79101", (kernel_ulong_t)&bd79101_config }, + { "bd79102", (kernel_ulong_t)&bd79102_config }, + { "bd79103", (kernel_ulong_t)&bd79104_config }, { "bd79104", (kernel_ulong_t)&bd79104_config }, { } }; --=20 2.50.1 --RBe/8Sbrp2Y9Vhm6 Content-Type: application/pgp-signature; name=signature.asc -----BEGIN PGP SIGNATURE----- iQEzBAEBCgAdFiEEIx+f8wZb28fLKEhTeFA3/03aocUFAmidn9kACgkQeFA3/03a ocUznwgAvCP4xHU3F2/KzfDwqTy7VJckfUH9qjtfncnPla8SWorSvSeEIBCiCQB/ z/L1l11/heB2OlnaheXWfhRQv06+vaq14/fDePG4qvgf4MgiLrkwVEtg6z5EYd+a rCfQw7dr3cfuyknLS/Um5GKtEq1vvMXF04Xh16JhVVANGQZEeKNNl/ck7z/Edtls aFoQWyLxYjAB8OrICcvjJDqMiY1B2twKROzoUJH37toOd8EfgJDUQyoCdU5dWeos UJ+rAc4Jy8URpb5FUi/TMmtHvIVVDunj+hfJOuaP+3hDC9Iw4uKTlU+Q3+9sFJq8 Zr95OOhqnCqzvs1HQJXb6prGjIldCA== =pioM -----END PGP SIGNATURE----- --RBe/8Sbrp2Y9Vhm6--