From nobody Mon Feb 9 16:01:36 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 2FCBC22B8AB; Fri, 2 May 2025 08:59:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.163.135.77 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746176382; cv=none; b=ocvEOBX7j7vcd6Pv4HlgjGJg4mYvsZ4dWKwTnoIhd+xkJhgWmzqo57kyL1pTkMfl1gk+PIV/L13zSOkzlfC5tCuzr0g5VMhLUHk/w0lChsXYS10FpbEetcuLINgIp2E3wIC/qcVzij3xkCme/SGBOOeynm67WBmsEwutYHzaYd8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746176382; c=relaxed/simple; bh=EvHlE5d8LCdBcTcU4Vrbhg9hruUVNcTrvSN0XUwTqg0=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=U+YAZYTGr5ygyFRrjQk6CvzVbYqnlqQo0f2zGQCAZPvVujR8lTKMgP5qZhPW0OcPfd708fF7q8rW1l76W9hgP4z5Uouh3D/WZ29l7sUigxLT/q9Hih0lKu0R9qVI1ulKFw+umMnWFNGVcPxbmwHYlVIoHzA0tA9nkz/AxreHi0E= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=analog.com; spf=pass smtp.mailfrom=analog.com; dkim=pass (2048-bit key) header.d=analog.com header.i=@analog.com header.b=eVZ3UfLl; arc=none smtp.client-ip=148.163.135.77 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=analog.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=analog.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=analog.com header.i=@analog.com header.b="eVZ3UfLl" Received: from pps.filterd (m0167088.ppops.net [127.0.0.1]) by mx0a-00128a01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 5427VDbT030805; Fri, 2 May 2025 04:59:38 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=analog.com; h=cc :content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=DKIM; bh=WHCgg HzjGodYAEvbarEyaF35iS/lQgvtCblBcy74j10=; b=eVZ3UfLlJp5J2VlJ4PsON HGyYUhMOwEnk3QsxMI6vp0qBtMkSsQ41ycvx4xM8+CuvS6xt4XZzlACp8G80m1Ud nnBOSxWtpSCNQLeumhhQh+Ony4ukxmOeLL4Ee+Xr4McfwfUXw1xFONveFXJ8mLMS FpJrAwj3oO19UhNaHBpsGJT4kVtUVWmrj3iMaQrZfpnqEYtrkvno799vEKtbsspg 60GB2Fx1O2KancXZtm8larQasYXCbOVup+dc7GembESxGFy3Zc4i89CPhFQQxm6b paTrpTR//mAXQBYnraQQqKg7zyZgC7Gik1B1SlG3/YZ7JdYKZ2jVn1+FxITKq2Bk w== Received: from nwd2mta4.analog.com ([137.71.173.58]) by mx0a-00128a01.pphosted.com (PPS) with ESMTPS id 46b6tr3xq7-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 02 May 2025 04:59:38 -0400 (EDT) Received: from ASHBMBX9.ad.analog.com (ASHBMBX9.ad.analog.com [10.64.17.10]) by nwd2mta4.analog.com (8.14.7/8.14.7) with ESMTP id 5428xbeg029959 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Fri, 2 May 2025 04:59:37 -0400 Received: from ASHBCASHYB5.ad.analog.com (10.64.17.133) by ASHBMBX9.ad.analog.com (10.64.17.10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.14; Fri, 2 May 2025 04:59:37 -0400 Received: from ASHBMBX8.ad.analog.com (10.64.17.5) by ASHBCASHYB5.ad.analog.com (10.64.17.133) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.14; Fri, 2 May 2025 04:59:37 -0400 Received: from zeus.spd.analog.com (10.66.68.11) by ashbmbx8.ad.analog.com (10.64.17.5) with Microsoft SMTP Server id 15.2.986.14 via Frontend Transport; Fri, 2 May 2025 04:59:37 -0400 Received: from amiclaus-VirtualBox.ad.analog.com (AMICLAUS-L02.ad.analog.com [10.48.65.211]) by zeus.spd.analog.com (8.15.1/8.15.1) with ESMTP id 5428xL7O015723; Fri, 2 May 2025 04:59:31 -0400 From: Antoniu Miclaus To: , , , , , CC: Antoniu Miclaus Subject: [PATCH v4 05/10] iio: adc: adi-axi-adc: add filter type config Date: Fri, 2 May 2025 11:59:00 +0300 Message-ID: <20250502085905.24926-6-antoniu.miclaus@analog.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250502085905.24926-1-antoniu.miclaus@analog.com> References: <20250502085905.24926-1-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-GUID: 6ZCRRPk0nB7k2xIxt6IPwbtbzCDAERDg X-Authority-Analysis: v=2.4 cv=TpTmhCXh c=1 sm=1 tr=0 ts=6814897a cx=c_pps a=3WNzaoukacrqR9RwcOSAdA==:117 a=3WNzaoukacrqR9RwcOSAdA==:17 a=dt9VzEwgFbYA:10 a=gAnH3GRIAAAA:8 a=Gqha4wrVLCtXpNfHMFMA:9 X-Proofpoint-ORIG-GUID: 6ZCRRPk0nB7k2xIxt6IPwbtbzCDAERDg X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNTAyMDA2OSBTYWx0ZWRfX/yqE4scoft+C KSez6b8Oe3qIAdoKXaMgNxjsRLhhZEcSR+H0Ta9GoWMfO4A7UadoHn/W6w+4Kam5qjvJ2tpMh/J PY9xeBFb/WkmoGir07NTy9BM/HnJjYwSscJN18aHnl1NOAN/B/XfReJTIqGqN265ZC2O0qBz9tv xzzc39TlVFNljkp3eogAqou8IZZsuEWAIM+PdcFTR3vIPmY9FmjRNXV4aHIx6hMzD3Zzn98+A9W lWHg9O5V91/U+5IBuFxHQGe56K6cz2v3KQtYPdro69kGN+h9fVi1Pej7Ss6Nn+/i3ZhSQz52EXV Qog4Sftw1AUoD4dbow0Vxn2A7LQHD8LRTt8p5xeGqZPITpwkaMgpBbCGV2lBRxYLUostEr/fpza JNRjumJ69L7nUjC7Hq6Z823ntZy4Bfn4bTY8w1PtDzoI6YBEKfaPnbojmwY/wID3KNzl8OOv X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.0.736,FMLib:17.12.80.40 definitions=2025-05-01_06,2025-04-30_01,2025-02-21_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 malwarescore=0 impostorscore=0 suspectscore=0 adultscore=0 priorityscore=1501 lowpriorityscore=0 bulkscore=0 phishscore=0 mlxlogscore=999 spamscore=0 clxscore=1015 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2504070000 definitions=main-2505020069 Content-Type: text/plain; charset="utf-8" Add support for enabling/disabling filter based on the filter type provided. This feature is specific to the axi ad408x IP core, therefore add new compatible string and corresponding iio_backend_ops. Signed-off-by: Antoniu Miclaus Reviewed-by: Nuno S=C3=A1 --- changes in v4: - update commit message to state that the new compatible is added. - checking for max value is done in the iio_backend function. drivers/iio/adc/adi-axi-adc.c | 38 +++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) diff --git a/drivers/iio/adc/adi-axi-adc.c b/drivers/iio/adc/adi-axi-adc.c index 61ab7dce43be..2a3a6c3f5e59 100644 --- a/drivers/iio/adc/adi-axi-adc.c +++ b/drivers/iio/adc/adi-axi-adc.c @@ -52,6 +52,7 @@ #define AXI_AD485X_PACKET_FORMAT_20BIT 0x0 #define AXI_AD485X_PACKET_FORMAT_24BIT 0x1 #define AXI_AD485X_PACKET_FORMAT_32BIT 0x2 +#define AXI_AD408X_CNTRL_3_FILTER_EN_MSK BIT(0) =20 #define ADI_AXI_ADC_REG_DRP_STATUS 0x0074 #define ADI_AXI_ADC_DRP_LOCKED BIT(17) @@ -402,6 +403,19 @@ static int axi_adc_ad485x_oversampling_ratio_set(struc= t iio_backend *back, } } =20 +static int axi_adc_ad408x_filter_type_set(struct iio_backend *back, + enum iio_backend_filter_type type) +{ + struct adi_axi_adc_state *st =3D iio_backend_get_priv(back); + + if (type) + return regmap_set_bits(st->regmap, ADI_AXI_ADC_REG_CNTRL_3, + AXI_AD408X_CNTRL_3_FILTER_EN_MSK); + + return regmap_clear_bits(st->regmap, ADI_AXI_ADC_REG_CNTRL_3, + AXI_AD408X_CNTRL_3_FILTER_EN_MSK); +} + static struct iio_buffer *axi_adc_request_buffer(struct iio_backend *back, struct iio_dev *indio_dev) { @@ -582,6 +596,24 @@ static const struct iio_backend_info axi_ad485x =3D { .ops =3D &adi_ad485x_ops, }; =20 +static const struct iio_backend_ops adi_ad408x_ops =3D { + .enable =3D axi_adc_enable, + .disable =3D axi_adc_disable, + .chan_enable =3D axi_adc_chan_enable, + .chan_disable =3D axi_adc_chan_disable, + .request_buffer =3D axi_adc_request_buffer, + .free_buffer =3D axi_adc_free_buffer, + .data_sample_trigger =3D axi_adc_data_sample_trigger, + .filter_type_set =3D axi_adc_ad408x_filter_type_set, + .debugfs_reg_access =3D iio_backend_debugfs_ptr(axi_adc_reg_access), + .debugfs_print_chan_status =3D iio_backend_debugfs_ptr(axi_adc_debugfs_pr= int_chan_status), +}; + +static const struct iio_backend_info axi_ad408x =3D { + .name =3D "axi-ad408x", + .ops =3D &adi_ad408x_ops, +}; + static int adi_axi_adc_probe(struct platform_device *pdev) { struct adi_axi_adc_state *st; @@ -697,9 +729,15 @@ static const struct axi_adc_info adc_ad7606 =3D { .has_child_nodes =3D true, }; =20 +static const struct axi_adc_info adi_axi_ad408x =3D { + .version =3D ADI_AXI_PCORE_VER(10, 0, 'a'), + .backend_info =3D &axi_ad408x, +}; + /* Match table for of_platform binding */ static const struct of_device_id adi_axi_adc_of_match[] =3D { { .compatible =3D "adi,axi-adc-10.0.a", .data =3D &adc_generic }, + { .compatible =3D "adi,axi-ad408x", .data =3D &adi_axi_ad408x }, { .compatible =3D "adi,axi-ad485x", .data =3D &adi_axi_ad485x }, { .compatible =3D "adi,axi-ad7606x", .data =3D &adc_ad7606 }, { /* end of list */ } --=20 2.49.0