From patchwork Wed Nov 10 11:17:49 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexandru Tachici X-Patchwork-Id: 12611895 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DCFDDC433F5 for ; Wed, 10 Nov 2021 11:07:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C8C76610D2 for ; Wed, 10 Nov 2021 11:07:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231295AbhKJLK1 (ORCPT ); Wed, 10 Nov 2021 06:10:27 -0500 Received: from mx0a-00128a01.pphosted.com ([148.163.135.77]:8662 "EHLO mx0a-00128a01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231418AbhKJLKZ (ORCPT ); Wed, 10 Nov 2021 06:10:25 -0500 Received: from pps.filterd (m0167088.ppops.net [127.0.0.1]) by mx0a-00128a01.pphosted.com (8.16.1.2/8.16.1.2) with ESMTP id 1AA6IBfJ012022; Wed, 10 Nov 2021 06:07:37 -0500 Received: from nwd2mta3.analog.com ([137.71.173.56]) by mx0a-00128a01.pphosted.com (PPS) with ESMTPS id 3c88pq8vgd-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 10 Nov 2021 06:07:36 -0500 Received: from ASHBMBX9.ad.analog.com (ASHBMBX9.ad.analog.com [10.64.17.10]) by nwd2mta3.analog.com (8.14.7/8.14.7) with ESMTP id 1AAB7ZEl020124 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 10 Nov 2021 06:07:35 -0500 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 15.2.858.5; Wed, 10 Nov 2021 06:07:35 -0500 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 15.2.858.5; Wed, 10 Nov 2021 06:07:34 -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 15.2.858.5 via Frontend Transport; Wed, 10 Nov 2021 06:07:34 -0500 Received: from localhost.localdomain ([10.48.65.12]) by zeus.spd.analog.com (8.15.1/8.15.1) with ESMTP id 1AAB7OD9030773; Wed, 10 Nov 2021 06:07:33 -0500 From: To: , CC: , Alexandru Tachici Subject: [PATCH 4/5] iio: adc: ad7124: add sequencer support Date: Wed, 10 Nov 2021 13:17:49 +0200 Message-ID: <20211110111750.27263-5-alexandru.tachici@analog.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20211110111750.27263-1-alexandru.tachici@analog.com> References: <20211110111750.27263-1-alexandru.tachici@analog.com> MIME-Version: 1.0 X-ADIRuleOP-NewSCL: Rule Triggered X-Proofpoint-ORIG-GUID: z7_7OhXN6BnWvtIgb-DzmeX1j_4wbcP5 X-Proofpoint-GUID: z7_7OhXN6BnWvtIgb-DzmeX1j_4wbcP5 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.790,Hydra:6.0.425,FMLib:17.0.607.475 definitions=2021-11-10_03,2021-11-08_02,2020-04-07_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 malwarescore=0 mlxlogscore=999 impostorscore=0 suspectscore=0 phishscore=0 priorityscore=1501 mlxscore=0 bulkscore=0 adultscore=0 lowpriorityscore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2110150000 definitions=main-2111100059 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org From: Alexandru Tachici Add sequencer support for AD7124. Signed-off-by: Alexandru Tachici --- drivers/iio/adc/ad7124.c | 17 ++++++++++++++++- 1 file changed, 16 insertions(+), 1 deletion(-) diff --git a/drivers/iio/adc/ad7124.c b/drivers/iio/adc/ad7124.c index 30299b899799..5760a222df5f 100644 --- a/drivers/iio/adc/ad7124.c +++ b/drivers/iio/adc/ad7124.c @@ -43,6 +43,8 @@ #define AD7124_STATUS_POR_FLAG_MSK BIT(4) /* AD7124_ADC_CONTROL */ +#define AD7124_ADC_STATUS_EN_MSK BIT(10) +#define AD7124_ADC_STATUS_EN(x) FIELD_PREP(AD7124_ADC_STATUS_EN_MSK, x) #define AD7124_ADC_CTRL_REF_EN_MSK BIT(8) #define AD7124_ADC_CTRL_REF_EN(x) FIELD_PREP(AD7124_ADC_CTRL_REF_EN_MSK, x) #define AD7124_ADC_CTRL_PWR_MSK GENMASK(7, 6) @@ -512,14 +514,27 @@ static int ad7124_set_channel(struct ad_sigma_delta *sd, unsigned int channel) return ret; } +static int ad7124_append_status(struct ad_sigma_delta *sd, bool append) +{ + struct ad7124_state *st = container_of(sd, struct ad7124_state, sd); + + st->adc_control &= ~AD7124_ADC_STATUS_EN_MSK; + st->adc_control |= AD7124_ADC_STATUS_EN(append); + + return ad_sd_write_reg(&st->sd, AD7124_ADC_CONTROL, 2, st->adc_control); +} + static const struct ad_sigma_delta_info ad7124_sigma_delta_info = { .set_channel = ad7124_set_channel, + .append_status = ad7124_append_status, .set_mode = ad7124_set_mode, .has_registers = true, .addr_shift = 0, .read_mask = BIT(6), + .status_ch_mask = GENMASK(3, 0), .data_reg = AD7124_DATA, - .irq_flags = IRQF_TRIGGER_FALLING + .num_slots = 8, + .irq_flags = IRQF_TRIGGER_FALLING, }; static int ad7124_read_raw(struct iio_dev *indio_dev,