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Tue, 21 Oct 2025 06:54:06 -0400 From: Antoniu Miclaus To: , , , , , CC: Antoniu Miclaus Subject: [PATCH 1/6] dt-bindings: iio: adc: adi,ad4080: add support for AD4083 Date: Tue, 21 Oct 2025 10:53:43 +0000 Message-ID: <20251021105349.21145-2-antoniu.miclaus@analog.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20251021105349.21145-1-antoniu.miclaus@analog.com> References: <20251021105349.21145-1-antoniu.miclaus@analog.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ADIRuleOP-NewSCL: Rule Triggered X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMDE4MDA2MiBTYWx0ZWRfXyw/piqAZozfe KQeomYKV5QllSYlpgQc3x5h8Uf0CUzcEdgJbzP2CCnMPNgJVAlv/3c3U9WrmMakMhiLrZAVBF6p WowZkwSdgbGXksclfCOgx27DpGfzYqOQzrmeKfcw9OOeKhmn5GOtSTDT6lX17ViS7DeZjPBLJGH XuZ1uQcKPCbMUPW6yXF0AziiSSG4PbtlXHE9tynnkaOwDakCuFAlYXzhn0Ez2sYmnG9SxFiK4QB 8drA6UIq8QzMVbU9zl+NX7aFM8GNK1mnmHFvcgd17l/UJV81RPAY7KYqOqt+kBlA/pHry5UOb5v ZuDMleOyXzlW0hm2QO0vMFmVG8ty7fN0uNDvgDg+8AdHp/b3lURDY9/6bdd4JEhg7yfZXuCDqhQ VxRu/Z/qD0NTRBEG4JMw88i4owvD3A== X-Authority-Analysis: v=2.4 cv=UPPQ3Sfy c=1 sm=1 tr=0 ts=68f76655 cx=c_pps a=PpDZqlmH/M8setHirZLBMw==:117 a=PpDZqlmH/M8setHirZLBMw==:17 a=x6icFKpwvdMA:10 a=VkNPw1HP01LnGYTKEx00:22 a=gAnH3GRIAAAA:8 a=CsfnnTbuaMHnaP1EV_UA:9 a=cPQSjfK2_nFv0Q5t_7PE:22 X-Proofpoint-ORIG-GUID: hyLFFG4AcKnPQgjJmQkytjAO4Qd2o3E7 X-Proofpoint-GUID: hyLFFG4AcKnPQgjJmQkytjAO4Qd2o3E7 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-10-21_01,2025-10-13_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 bulkscore=0 spamscore=0 malwarescore=0 priorityscore=1501 lowpriorityscore=0 impostorscore=0 clxscore=1015 phishscore=0 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2510020000 definitions=main-2510180062 Content-Type: text/plain; charset="utf-8" Add device tree binding support for the AD4083 16-bit SAR ADC. Add adi,ad4083 to the compatible enum. A fallback compatible string to adi,ad4080 is not appropriate as the AD4083 has different resolution (16-bit vs 20-bit) and LVDS CNV clock count maximum (5 vs 7), requiring different driver configuration. Signed-off-by: Antoniu Miclaus Acked-by: Conor Dooley --- Documentation/devicetree/bindings/iio/adc/adi,ad4080.yaml | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad4080.yaml b/Do= cumentation/devicetree/bindings/iio/adc/adi,ad4080.yaml index a9fa068189ea..9d2b4b8edf42 100644 --- a/Documentation/devicetree/bindings/iio/adc/adi,ad4080.yaml +++ b/Documentation/devicetree/bindings/iio/adc/adi,ad4080.yaml @@ -27,6 +27,7 @@ properties: enum: - adi,ad4080 - adi,ad4081 + - adi,ad4083 - adi,ad4084 =20 reg: --=20 2.43.0 From nobody Sun Feb 8 16:12:05 2026 Received: from mx0b-00128a01.pphosted.com (mx0a-00128a01.pphosted.com [148.163.135.77]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3752D2F2603; Tue, 21 Oct 2025 10:54:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.163.135.77 ARC-Seal: i=1; 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charset="utf-8" Add support for AD4083 16-bit SAR ADC. The AD4083 differs from AD4080 in resolution (16-bit vs 20-bit) and LVDS CNV clock count maximum (5 vs 7). Changes: - Add AD4083_CHIP_ID definition (0x0053) - Create ad4083_channel with 16-bit resolution and storage - Add ad4083_chip_info with lvds_cnv_clk_cnt_max =3D 5 - Register AD4083 in device ID and OF match tables Signed-off-by: Antoniu Miclaus Acked-by: Conor Dooley --- drivers/iio/adc/ad4080.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/drivers/iio/adc/ad4080.c b/drivers/iio/adc/ad4080.c index 5940651655df..e2cdca2e9174 100644 --- a/drivers/iio/adc/ad4080.c +++ b/drivers/iio/adc/ad4080.c @@ -127,6 +127,7 @@ #define AD4080_SPI_READ BIT(7) #define AD4080_CHIP_ID 0x0050 #define AD4081_CHIP_ID 0x0051 +#define AD4083_CHIP_ID 0x0053 #define AD4084_CHIP_ID 0x0054 =20 #define AD4080_LVDS_CNV_CLK_CNT_MAX 7 @@ -439,6 +440,8 @@ static const struct iio_chan_spec ad4080_channel =3D AD= 4080_CHANNEL_DEFINE(20, 32) =20 static const struct iio_chan_spec ad4081_channel =3D AD4080_CHANNEL_DEFINE= (20, 32); =20 +static const struct iio_chan_spec ad4083_channel =3D AD4080_CHANNEL_DEFINE= (16, 16); + static const struct iio_chan_spec ad4084_channel =3D AD4080_CHANNEL_DEFINE= (16, 16); =20 static const struct ad4080_chip_info ad4080_chip_info =3D { @@ -461,6 +464,16 @@ static const struct ad4080_chip_info ad4081_chip_info = =3D { .lvds_cnv_clk_cnt_max =3D 2, }; =20 +static const struct ad4080_chip_info ad4083_chip_info =3D { + .name =3D "ad4083", + .product_id =3D AD4083_CHIP_ID, + .scale_table =3D ad4080_scale_table, + .num_scales =3D ARRAY_SIZE(ad4080_scale_table), + .num_channels =3D 1, + .channels =3D &ad4083_channel, + .lvds_cnv_clk_cnt_max =3D 5, +}; + static const struct ad4080_chip_info ad4084_chip_info =3D { .name =3D "ad4084", .product_id =3D AD4084_CHIP_ID, @@ -627,6 +640,7 @@ static int ad4080_probe(struct spi_device *spi) static const struct spi_device_id ad4080_id[] =3D { { "ad4080", (kernel_ulong_t)&ad4080_chip_info }, { "ad4081", (kernel_ulong_t)&ad4081_chip_info }, + { "ad4083", (kernel_ulong_t)&ad4083_chip_info }, { "ad4084", (kernel_ulong_t)&ad4084_chip_info }, { } }; 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charset="utf-8" Add device tree binding support for the AD4086 14-bit SAR ADC. Add adi,ad4086 to the compatible enum. A fallback compatible string to adi,ad4080 is not appropriate as the AD4086 has different resolution (14-bit vs 20-bit) and LVDS CNV clock count maximum (4 vs 7), requiring different driver configuration. Signed-off-by: Antoniu Miclaus Acked-by: Conor Dooley --- Documentation/devicetree/bindings/iio/adc/adi,ad4080.yaml | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad4080.yaml b/Do= cumentation/devicetree/bindings/iio/adc/adi,ad4080.yaml index 9d2b4b8edf42..db136bff45b7 100644 --- a/Documentation/devicetree/bindings/iio/adc/adi,ad4080.yaml +++ b/Documentation/devicetree/bindings/iio/adc/adi,ad4080.yaml @@ -29,6 +29,7 @@ properties: - adi,ad4081 - adi,ad4083 - adi,ad4084 + - adi,ad4086 =20 reg: maxItems: 1 --=20 2.43.0 From nobody Sun Feb 8 16:12:05 2026 Received: from mx0a-00128a01.pphosted.com (mx0a-00128a01.pphosted.com [148.163.135.77]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5E0E432C33E; Tue, 21 Oct 2025 10:54:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.163.135.77 ARC-Seal: i=1; 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charset="utf-8" Add support for AD4086 14-bit SAR ADC. The AD4086 differs from AD4080 in resolution (14-bit vs 20-bit) and LVDS CNV clock count maximum (4 vs 7). Changes: - Add AD4086_CHIP_ID definition (0x0056) - Create ad4086_channel with 14-bit resolution and 16-bit storage - Add ad4086_chip_info with lvds_cnv_clk_cnt_max =3D 4 - Register AD4086 in device ID and OF match tables Signed-off-by: Antoniu Miclaus Acked-by: Conor Dooley --- drivers/iio/adc/ad4080.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/drivers/iio/adc/ad4080.c b/drivers/iio/adc/ad4080.c index e2cdca2e9174..d6d0688adc3d 100644 --- a/drivers/iio/adc/ad4080.c +++ b/drivers/iio/adc/ad4080.c @@ -129,6 +129,7 @@ #define AD4081_CHIP_ID 0x0051 #define AD4083_CHIP_ID 0x0053 #define AD4084_CHIP_ID 0x0054 +#define AD4086_CHIP_ID 0x0056 =20 #define AD4080_LVDS_CNV_CLK_CNT_MAX 7 =20 @@ -444,6 +445,8 @@ static const struct iio_chan_spec ad4083_channel =3D AD= 4080_CHANNEL_DEFINE(16, 16) =20 static const struct iio_chan_spec ad4084_channel =3D AD4080_CHANNEL_DEFINE= (16, 16); =20 +static const struct iio_chan_spec ad4086_channel =3D AD4080_CHANNEL_DEFINE= (14, 16); + static const struct ad4080_chip_info ad4080_chip_info =3D { .name =3D "ad4080", .product_id =3D AD4080_CHIP_ID, @@ -484,6 +487,16 @@ static const struct ad4080_chip_info ad4084_chip_info = =3D { .lvds_cnv_clk_cnt_max =3D 2, }; =20 +static const struct ad4080_chip_info ad4086_chip_info =3D { + .name =3D "ad4086", + .product_id =3D AD4086_CHIP_ID, + .scale_table =3D ad4080_scale_table, + .num_scales =3D ARRAY_SIZE(ad4080_scale_table), + .num_channels =3D 1, + .channels =3D &ad4086_channel, + .lvds_cnv_clk_cnt_max =3D 4, +}; + static int ad4080_setup(struct iio_dev *indio_dev) { struct ad4080_state *st =3D iio_priv(indio_dev); @@ -642,6 +655,7 @@ static const struct spi_device_id ad4080_id[] =3D { { "ad4081", (kernel_ulong_t)&ad4081_chip_info }, { "ad4083", (kernel_ulong_t)&ad4083_chip_info }, { "ad4084", (kernel_ulong_t)&ad4084_chip_info }, + { "ad4086", (kernel_ulong_t)&ad4086_chip_info }, { } }; MODULE_DEVICE_TABLE(spi, ad4080_id); @@ -651,6 +665,7 @@ static const struct of_device_id ad4080_of_match[] =3D { { .compatible =3D "adi,ad4081", &ad4081_chip_info }, { .compatible =3D "adi,ad4083", &ad4083_chip_info }, { .compatible =3D "adi,ad4084", &ad4084_chip_info }, + { .compatible =3D "adi,ad4086", &ad4086_chip_info }, { } }; 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charset="utf-8" Add device tree binding support for the AD4087 14-bit SAR ADC. Add adi,ad4087 to the compatible enum. A fallback compatible string to adi,ad4080 is not appropriate as the AD4087 has different resolution (14-bit vs 20-bit) and LVDS CNV clock count maximum (1 vs 7), requiring different driver configuration. Signed-off-by: Antoniu Miclaus Acked-by: Conor Dooley --- Documentation/devicetree/bindings/iio/adc/adi,ad4080.yaml | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad4080.yaml b/Do= cumentation/devicetree/bindings/iio/adc/adi,ad4080.yaml index db136bff45b7..ccd6a0ac1539 100644 --- a/Documentation/devicetree/bindings/iio/adc/adi,ad4080.yaml +++ b/Documentation/devicetree/bindings/iio/adc/adi,ad4080.yaml @@ -30,6 +30,7 @@ properties: - adi,ad4083 - adi,ad4084 - adi,ad4086 + - adi,ad4087 =20 reg: maxItems: 1 --=20 2.43.0 From nobody Sun Feb 8 16:12:05 2026 Received: from mx0b-00128a01.pphosted.com (mx0a-00128a01.pphosted.com [148.163.135.77]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 53FCC32E73E; Tue, 21 Oct 2025 10:54:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.163.135.77 ARC-Seal: i=1; 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charset="utf-8" Add support for AD4087 14-bit SAR ADC. The AD4087 differs from AD4080 in resolution (14-bit vs 20-bit) and LVDS CNV clock count maximum (1 vs 7). Changes: - Add AD4087_CHIP_ID definition (0x0057) - Create ad4087_channel with 14-bit resolution and 16-bit storage - Add ad4087_chip_info with lvds_cnv_clk_cnt_max =3D 1 - Register AD4087 in device ID and OF match tables Signed-off-by: Antoniu Miclaus Acked-by: Conor Dooley --- drivers/iio/adc/ad4080.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/drivers/iio/adc/ad4080.c b/drivers/iio/adc/ad4080.c index d6d0688adc3d..7cf3b6ed7940 100644 --- a/drivers/iio/adc/ad4080.c +++ b/drivers/iio/adc/ad4080.c @@ -130,6 +130,7 @@ #define AD4083_CHIP_ID 0x0053 #define AD4084_CHIP_ID 0x0054 #define AD4086_CHIP_ID 0x0056 +#define AD4087_CHIP_ID 0x0057 =20 #define AD4080_LVDS_CNV_CLK_CNT_MAX 7 =20 @@ -447,6 +448,8 @@ static const struct iio_chan_spec ad4084_channel =3D AD= 4080_CHANNEL_DEFINE(16, 16) =20 static const struct iio_chan_spec ad4086_channel =3D AD4080_CHANNEL_DEFINE= (14, 16); =20 +static const struct iio_chan_spec ad4087_channel =3D AD4080_CHANNEL_DEFINE= (14, 16); + static const struct ad4080_chip_info ad4080_chip_info =3D { .name =3D "ad4080", .product_id =3D AD4080_CHIP_ID, @@ -497,6 +500,16 @@ static const struct ad4080_chip_info ad4086_chip_info = =3D { .lvds_cnv_clk_cnt_max =3D 4, }; =20 +static const struct ad4080_chip_info ad4087_chip_info =3D { + .name =3D "ad4087", + .product_id =3D AD4087_CHIP_ID, + .scale_table =3D ad4080_scale_table, + .num_scales =3D ARRAY_SIZE(ad4080_scale_table), + .num_channels =3D 1, + .channels =3D &ad4087_channel, + .lvds_cnv_clk_cnt_max =3D 1, +}; + static int ad4080_setup(struct iio_dev *indio_dev) { struct ad4080_state *st =3D iio_priv(indio_dev); @@ -656,6 +669,7 @@ static const struct spi_device_id ad4080_id[] =3D { { "ad4083", (kernel_ulong_t)&ad4083_chip_info }, { "ad4084", (kernel_ulong_t)&ad4084_chip_info }, { "ad4086", (kernel_ulong_t)&ad4086_chip_info }, + { "ad4087", (kernel_ulong_t)&ad4087_chip_info }, { } }; MODULE_DEVICE_TABLE(spi, ad4080_id); @@ -666,6 +680,7 @@ static const struct of_device_id ad4080_of_match[] =3D { { .compatible =3D "adi,ad4083", &ad4083_chip_info }, { .compatible =3D "adi,ad4084", &ad4084_chip_info }, { .compatible =3D "adi,ad4086", &ad4086_chip_info }, + { .compatible =3D "adi,ad4087", &ad4087_chip_info }, { } }; MODULE_DEVICE_TABLE(of, ad4080_of_match); --=20 2.43.0