From nobody Fri Jan 31 00:14:03 2025 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 6E7A51FE467; Mon, 27 Jan 2025 10:57:53 +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=1737975475; cv=none; b=PVTNDePAvkzqH3Sdp4EZgN8Mxh5Md5hbON52lWN4FeCd9nohfopD3+ZlYBrQwmKMaT6RtaD0capV9qtLwZPtAJm3wuMnsn8hF+0DR+ahckjIv/4o8sTVIJh4a4WyWs2FezkkJtY6mYMU3sHo/01EwLZrcnGDfIo7REDhWwXlbE4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1737975475; c=relaxed/simple; bh=FnORAkqs5d1Uc8oX7mYMyXWGZyzsqqzB/7EpjIUq1Sg=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=jhyvvK1c1ZJVSSDRQSY9EhbIUUUTHIjiE66yGjEGh1Jy/TfmtpJS/pBL4vzFjWLt8DaQS9Zmm9VjBEPJa3ZNBDhPoWCeFy/mVHII8rZZJ/tDDD66lr6av1KQGOXh2b1odmbr4T2MuEBIj44xW2TcwdR14MNin6TI6SQTFeQm/UM= 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=nfR1JixA; 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="nfR1JixA" Received: from pps.filterd (m0375855.ppops.net [127.0.0.1]) by mx0b-00128a01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 50R9MIJp010208; Mon, 27 Jan 2025 05:57:50 -0500 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=YP8yn jh5Cy01Sp4BofuJNTymcva0sUg2ydDZjN3XQvM=; b=nfR1JixAliQn9377HbGLH aj5bEGSbnfkADXu34IeZbBbg7jdDn0LuYBWG2IJKOFxHmsB7wUinnix3gWMg5zAF G3rOOt1+xO7TpfohYAQWXia604jB+X+//JUrY3F6dKh8E2aj9olGCYffs9ZTXOEd kJU2BHBwu+REgoWkqhDop+4rVeqAOkarI3KKHqKq7GFvadirKDuNc/WU/2ynxfnP jBW29Gha6UddWrR3vYTJBG+YA5+PEufCRU4Zf0Sig8sDd8X+ULZszYqe/p8BeJW2 Tto5bKzZbjmeFlfxGVBj/01xQ/GNTHJKlzNevaEvHkMP9qihlGjntGPTGv1kCGRz w== Received: from nwd2mta4.analog.com ([137.71.173.58]) by mx0b-00128a01.pphosted.com (PPS) with ESMTPS id 44e7f009uq-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 27 Jan 2025 05:57:49 -0500 (EST) Received: from ASHBMBX8.ad.analog.com (ASHBMBX8.ad.analog.com [10.64.17.5]) by nwd2mta4.analog.com (8.14.7/8.14.7) with ESMTP id 50RAvmxb001778 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 27 Jan 2025 05:57:48 -0500 Received: from ASHBMBX8.ad.analog.com (10.64.17.5) by ASHBMBX8.ad.analog.com (10.64.17.5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.14; Mon, 27 Jan 2025 05:57:48 -0500 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; Mon, 27 Jan 2025 05:57:48 -0500 Received: from amiclaus-VirtualBox.ad.analog.com (AMICLAUS-L02.ad.analog.com [10.48.65.165]) by zeus.spd.analog.com (8.15.1/8.15.1) with ESMTP id 50RAvUTA018078; Mon, 27 Jan 2025 05:57:40 -0500 From: Antoniu Miclaus To: , , , , , , CC: Antoniu Miclaus , Nuno Sa , David Lechner Subject: [PATCH v11 4/8] iio: adc: adi-axi-adc: add interface type Date: Mon, 27 Jan 2025 12:57:22 +0200 Message-ID: <20250127105726.6314-5-antoniu.miclaus@analog.com> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250127105726.6314-1-antoniu.miclaus@analog.com> References: <20250127105726.6314-1-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-ORIG-GUID: PmM_aBT8QPr0dGYa5_pWSMsASW2gvjoJ X-Proofpoint-GUID: PmM_aBT8QPr0dGYa5_pWSMsASW2gvjoJ X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1057,Hydra:6.0.680,FMLib:17.12.68.34 definitions=2025-01-27_04,2025-01-27_01,2024-11-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 suspectscore=0 malwarescore=0 phishscore=0 clxscore=1015 spamscore=0 bulkscore=0 lowpriorityscore=0 priorityscore=1501 adultscore=0 impostorscore=0 mlxlogscore=999 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2411120000 definitions=main-2501270088 Content-Type: text/plain; charset="utf-8" Add support for getting the interface (CMOS or LVDS) used by the AXI ADC IP. Reviewed-by: Nuno Sa Reviewed-by: David Lechner Signed-off-by: Antoniu Miclaus --- no changes in v11. drivers/iio/adc/adi-axi-adc.c | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/drivers/iio/adc/adi-axi-adc.c b/drivers/iio/adc/adi-axi-adc.c index c7357601f0f8..d2e1dc63775c 100644 --- a/drivers/iio/adc/adi-axi-adc.c +++ b/drivers/iio/adc/adi-axi-adc.c @@ -39,6 +39,9 @@ #define ADI_AXI_REG_RSTN_MMCM_RSTN BIT(1) #define ADI_AXI_REG_RSTN_RSTN BIT(0) =20 +#define ADI_AXI_ADC_REG_CONFIG 0x000c +#define ADI_AXI_ADC_REG_CONFIG_CMOS_OR_LVDS_N BIT(7) + #define ADI_AXI_ADC_REG_CTRL 0x0044 #define ADI_AXI_ADC_CTRL_DDR_EDGESEL_MASK BIT(1) =20 @@ -290,6 +293,25 @@ static int axi_adc_chan_disable(struct iio_backend *ba= ck, unsigned int chan) ADI_AXI_REG_CHAN_CTRL_ENABLE); } =20 +static int axi_adc_interface_type_get(struct iio_backend *back, + enum iio_backend_interface_type *type) +{ + struct adi_axi_adc_state *st =3D iio_backend_get_priv(back); + unsigned int val; + int ret; + + ret =3D regmap_read(st->regmap, ADI_AXI_ADC_REG_CONFIG, &val); + if (ret) + return ret; + + if (val & ADI_AXI_ADC_REG_CONFIG_CMOS_OR_LVDS_N) + *type =3D IIO_BACKEND_INTERFACE_SERIAL_CMOS; + else + *type =3D IIO_BACKEND_INTERFACE_SERIAL_LVDS; + + return 0; +} + static struct iio_buffer *axi_adc_request_buffer(struct iio_backend *back, struct iio_dev *indio_dev) { @@ -337,6 +359,7 @@ static const struct iio_backend_ops adi_axi_adc_ops =3D= { .iodelay_set =3D axi_adc_iodelays_set, .test_pattern_set =3D axi_adc_test_pattern_set, .chan_status =3D axi_adc_chan_status, + .interface_type_get =3D axi_adc_interface_type_get, .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), }; --=20 2.48.1