From patchwork Thu Aug 15 08:57:10 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Md Sadre Alam X-Patchwork-Id: 13764529 X-Patchwork-Delegate: herbert@gondor.apana.org.au Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) (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 2E3991C9EC6; Thu, 15 Aug 2024 08:57:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.180.131 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723712279; cv=none; b=ddyxB5VdLkUBIOnP+8vu5weYhNGpGf6A21IWeQ0yhtsqhEmMEU1e/5MmeUdfSiU1IxzhLzp+E0E1UcREpxGtlM6SQl2pqgMppiK/BYFcvndj7XLEYsjF1qoizDpApaFv08qkmsHE/Y+MECcqd/XE4VBi2tgCzV3urCCKnDuEHAs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723712279; c=relaxed/simple; bh=7l6wGQ98HpBbyXQeXaA1zEMxmFdw15AbADVhA9ODIsI=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=NGOXjZF8SqTqCyZJVWSD/4E8GWfO5939idU95HrutPiQWnu6l9sNtSIIxi5RQFasEBU++aqTR3c/H/H/5WH1Fjlfj1uG9d5JpoZz5iHmldo9RtUmQGfW0ZCyCzvwktDi1HJmwRhSmjqWwiI+5EsZQBnK4mLkOjd7OLQPrNLwI34= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=quicinc.com; spf=pass smtp.mailfrom=qualcomm.com; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b=A4xYLb0B; arc=none smtp.client-ip=205.220.180.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=quicinc.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=qualcomm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b="A4xYLb0B" Received: from pps.filterd (m0279870.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 47EN9r1t027657; Thu, 15 Aug 2024 08:57:33 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h= cc:content-transfer-encoding:date:from:in-reply-to:message-id :mime-version:references:subject:to; s=qcppdkim1; bh=m7Xggm7ZIW4 WehkFh4oxlkRKXpkz8aAItTBbl9RctsA=; b=A4xYLb0BOKKQ84FcGw6wikF53nO tGe5pzJrP6uQM2cWWRgosonBTd/q154ziowEeq5JB7LYJUSaTWKmsT9Cr54l/OzS S67/RWQeMcfwkwqyZlyAdKvayd3kcAURoUOS8OIZMOjWMC1n4zdwCwR0bpaN+5jI h7oZrM6t+doQCGgoZNxGW8AENCqKQM/vlTxXJM8LCMaHcYWoAfA6tOHpl6TCnYXv nYDZ5kja85rWZvy7Edvf/DuxFINqDKHVIog+pi+mVhEZlp4F3Fe+E9/flJdAVy/J 2H3Nv9uVy0wSVVXS2B4Ropuq0uuRyCgtd6SwVMAvahdW751rOPY5aoDZHQw== Received: from apblrppmta02.qualcomm.com (blr-bdr-fw-01_GlobalNAT_AllZones-Outside.qualcomm.com [103.229.18.19]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 40x3etdq3v-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 15 Aug 2024 08:57:32 +0000 (GMT) Received: from pps.filterd (APBLRPPMTA02.qualcomm.com [127.0.0.1]) by APBLRPPMTA02.qualcomm.com (8.18.1.2/8.18.1.2) with ESMTP id 47F8u85x028275; Thu, 15 Aug 2024 08:57:29 GMT Received: from pps.reinject (localhost [127.0.0.1]) by APBLRPPMTA02.qualcomm.com (PPS) with ESMTPS id 40xkmhenmp-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 15 Aug 2024 08:57:29 +0000 Received: from APBLRPPMTA02.qualcomm.com (APBLRPPMTA02.qualcomm.com [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 47F8vSVu029647; Thu, 15 Aug 2024 08:57:28 GMT Received: from hu-devc-blr-u22-a.qualcomm.com (hu-mdalam-blr.qualcomm.com [10.131.36.157]) by APBLRPPMTA02.qualcomm.com (PPS) with ESMTPS id 47F8vSEm029640 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 15 Aug 2024 08:57:28 +0000 Received: by hu-devc-blr-u22-a.qualcomm.com (Postfix, from userid 466583) id 8F6CB411DA; Thu, 15 Aug 2024 14:27:27 +0530 (+0530) From: Md Sadre Alam To: vkoul@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, andersson@kernel.org, konradybcio@kernel.org, thara.gopinath@gmail.com, herbert@gondor.apana.org.au, davem@davemloft.net, gustavoars@kernel.org, u.kleine-koenig@pengutronix.de, kees@kernel.org, agross@kernel.org, linux-arm-msm@vger.kernel.org, dmaengine@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org Cc: quic_srichara@quicinc.com, quic_varada@quicinc.com, quic_mdalam@quicinc.com, quic_utiwari@quicinc.com Subject: [PATCH v2 01/16] dt-bindings: dma: qcom,bam: Add bam pipe lock Date: Thu, 15 Aug 2024 14:27:10 +0530 Message-Id: <20240815085725.2740390-2-quic_mdalam@quicinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240815085725.2740390-1-quic_mdalam@quicinc.com> References: <20240815085725.2740390-1-quic_mdalam@quicinc.com> Precedence: bulk X-Mailing-List: linux-crypto@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-QCInternal: smtphost X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: dPzDTXje2zgTCvSf6rea3MW84dL_nyi4 X-Proofpoint-ORIG-GUID: dPzDTXje2zgTCvSf6rea3MW84dL_nyi4 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.28.16 definitions=2024-08-15_01,2024-08-13_02,2024-05-17_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 bulkscore=0 suspectscore=0 impostorscore=0 phishscore=0 clxscore=1015 mlxlogscore=999 lowpriorityscore=0 priorityscore=1501 spamscore=0 adultscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2407110000 definitions=main-2408150064 BAM having pipe locking mechanism. The Lock and Un-Lock bit should be set on CMD descriptor only. Upon encountering a descriptor with Lock bit set, the BAM will lock all other pipes not related to the current pipe group, and keep handling the current pipe only until it sees the Un-Lock set. Signed-off-by: Md Sadre Alam --- Change in [v2] * Added initial support for dt-binding Change in [v1] * This patch was not included in [v1] Documentation/devicetree/bindings/dma/qcom,bam-dma.yaml | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/Documentation/devicetree/bindings/dma/qcom,bam-dma.yaml b/Documentation/devicetree/bindings/dma/qcom,bam-dma.yaml index 3ad0d9b1fbc5..91cc2942aa62 100644 --- a/Documentation/devicetree/bindings/dma/qcom,bam-dma.yaml +++ b/Documentation/devicetree/bindings/dma/qcom,bam-dma.yaml @@ -77,6 +77,12 @@ properties: Indicates that the bam is powered up by a remote processor but must be initialized by the local processor. + qcom,bam_pipe_lock: + type: boolean + description: + Indicates that the bam pipe needs locking or not based on client driver + sending the LOCK or UNLOK bit set on command descriptor. + reg: maxItems: 1 @@ -92,6 +98,8 @@ anyOf: - qcom,powered-remotely - required: - qcom,controlled-remotely + - required: + - qcom,bam_pipe_lock - required: - clocks - clock-names