From patchwork Fri Oct 27 14:03:57 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ramona Gradinariu X-Patchwork-Id: 738792 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (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 9258C358AD for ; Fri, 27 Oct 2023 14:04:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=none Received: from mx0a-00128a01.pphosted.com (mx0a-00128a01.pphosted.com [148.163.135.77]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 729ADD6; Fri, 27 Oct 2023 07:04:48 -0700 (PDT) Received: from pps.filterd (m0167088.ppops.net [127.0.0.1]) by mx0a-00128a01.pphosted.com (8.17.1.22/8.17.1.22) with ESMTP id 39RB1GmZ028823; Fri, 27 Oct 2023 10:04:17 -0400 Received: from nwd2mta3.analog.com ([137.71.173.56]) by mx0a-00128a01.pphosted.com (PPS) with ESMTPS id 3tyx01pa82-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 27 Oct 2023 10:04:17 -0400 (EDT) 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 39RE4GKE052742 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Fri, 27 Oct 2023 10:04:16 -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, 27 Oct 2023 10:04:15 -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, 27 Oct 2023 10:04:15 -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, 27 Oct 2023 10:04:14 -0400 Received: from rbolboac.ad.analog.com ([10.48.65.174]) by zeus.spd.analog.com (8.15.1/8.15.1) with ESMTP id 39RE40hb022983; Fri, 27 Oct 2023 10:04:07 -0400 From: Ramona Gradinariu To: , , , , , , , CC: Ramona Gradinariu , Krzysztof Kozlowski Subject: [PATCH v3 2/3] dt-bindings: adis16475: Add 'spi-cs-inactive-delay-ns' property Date: Fri, 27 Oct 2023 17:03:57 +0300 Message-ID: <20231027140358.328699-3-ramona.gradinariu@analog.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231027140358.328699-1-ramona.gradinariu@analog.com> References: <20231027140358.328699-1-ramona.gradinariu@analog.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ADIRuleOP-NewSCL: Rule Triggered X-Proofpoint-ORIG-GUID: kVJ37_Qe97q7G3ejgiVY6TT9HsmxqoUp X-Proofpoint-GUID: kVJ37_Qe97q7G3ejgiVY6TT9HsmxqoUp X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.987,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-10-27_12,2023-10-27_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 bulkscore=0 adultscore=0 mlxscore=0 malwarescore=0 impostorscore=0 clxscore=1011 phishscore=0 suspectscore=0 mlxlogscore=999 spamscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2310240000 definitions=main-2310270121 The devices supported by adis16475 driver require a stall period between SPI transactions (during which the chip select is inactive), with a minimum value equal to 16 microseconds, thus adding 'spi-cs-inactive-delay-ns' property, which should indicate the stall time between consecutive SPI transactions. The specified minimum time may not be sufficient for all configurations. Signed-off-by: Ramona Gradinariu Reviewed-by: Krzysztof Kozlowski --- changes in v3: - removed description - updated commit message Documentation/devicetree/bindings/iio/imu/adi,adis16475.yaml | 4 ++++ 1 file changed, 4 insertions(+) -- 2.34.1 diff --git a/Documentation/devicetree/bindings/iio/imu/adi,adis16475.yaml b/Documentation/devicetree/bindings/iio/imu/adi,adis16475.yaml index c73533c54588..9b7ad609f7db 100644 --- a/Documentation/devicetree/bindings/iio/imu/adi,adis16475.yaml +++ b/Documentation/devicetree/bindings/iio/imu/adi,adis16475.yaml @@ -47,6 +47,10 @@ properties: spi-max-frequency: maximum: 2000000 + spi-cs-inactive-delay-ns: + minimum: 16000 + default: 16000 + interrupts: maxItems: 1 From patchwork Fri Oct 27 14:03:58 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ramona Gradinariu X-Patchwork-Id: 738791 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (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 7BE58358B4 for ; Fri, 27 Oct 2023 14:04:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=none Received: from mx0a-00128a01.pphosted.com (mx0a-00128a01.pphosted.com [148.163.135.77]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 635A1C0; Fri, 27 Oct 2023 07:04:50 -0700 (PDT) Received: from pps.filterd (m0167088.ppops.net [127.0.0.1]) by mx0a-00128a01.pphosted.com (8.17.1.22/8.17.1.22) with ESMTP id 39RB1Gma028823; Fri, 27 Oct 2023 10:04:20 -0400 Received: from nwd2mta4.analog.com ([137.71.173.58]) by mx0a-00128a01.pphosted.com (PPS) with ESMTPS id 3tyx01pa89-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 27 Oct 2023 10:04:20 -0400 (EDT) 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 39RE4I3q048300 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Fri, 27 Oct 2023 10:04:18 -0400 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; Fri, 27 Oct 2023 10:04:17 -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, 27 Oct 2023 10:04:17 -0400 Received: from rbolboac.ad.analog.com ([10.48.65.174]) by zeus.spd.analog.com (8.15.1/8.15.1) with ESMTP id 39RE40hc022983; Fri, 27 Oct 2023 10:04:09 -0400 From: Ramona Gradinariu To: , , , , , , , CC: Ramona Gradinariu , Krzysztof Kozlowski Subject: [PATCH v3 3/3] dt-bindings: adis16460: Add 'spi-cs-inactive-delay-ns' property Date: Fri, 27 Oct 2023 17:03:58 +0300 Message-ID: <20231027140358.328699-4-ramona.gradinariu@analog.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231027140358.328699-1-ramona.gradinariu@analog.com> References: <20231027140358.328699-1-ramona.gradinariu@analog.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ADIRuleOP-NewSCL: Rule Triggered X-Proofpoint-ORIG-GUID: i09VU6HRxbq9GHHEBk8fb73x9FrSS4iJ X-Proofpoint-GUID: i09VU6HRxbq9GHHEBk8fb73x9FrSS4iJ X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.987,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-10-27_12,2023-10-27_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 bulkscore=0 adultscore=0 mlxscore=0 malwarescore=0 impostorscore=0 clxscore=1015 phishscore=0 suspectscore=0 mlxlogscore=982 spamscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2310240000 definitions=main-2310270121 The adis16460 device requires a stall time between SPI transactions (during which the chip select is inactive), with a minimum value equal to 16 microseconds. This commit adds 'spi-cs-inactive-delay-ns' property, which should indicate the stall time between consecutive SPI transactions. The specified minimum time may not be sufficient for all configurations. Signed-off-by: Ramona Gradinariu Reviewed-by: Krzysztof Kozlowski --- changes in v3: - removed description - updated commit message Documentation/devicetree/bindings/iio/imu/adi,adis16460.yaml | 4 ++++ 1 file changed, 4 insertions(+) -- 2.34.1 diff --git a/Documentation/devicetree/bindings/iio/imu/adi,adis16460.yaml b/Documentation/devicetree/bindings/iio/imu/adi,adis16460.yaml index 4e43c80e5119..4cacc9948726 100644 --- a/Documentation/devicetree/bindings/iio/imu/adi,adis16460.yaml +++ b/Documentation/devicetree/bindings/iio/imu/adi,adis16460.yaml @@ -25,6 +25,10 @@ properties: spi-cpol: true + spi-cs-inactive-delay-ns: + minimum: 16000 + default: 16000 + interrupts: maxItems: 1