From patchwork Tue Apr 18 18:56:58 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nikunj Kela X-Patchwork-Id: 674637 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7BF05C6FD18 for ; Tue, 18 Apr 2023 18:57:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231375AbjDRS5e (ORCPT ); Tue, 18 Apr 2023 14:57:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43780 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231296AbjDRS5d (ORCPT ); Tue, 18 Apr 2023 14:57:33 -0400 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BF50318E; Tue, 18 Apr 2023 11:57:32 -0700 (PDT) Received: from pps.filterd (m0279862.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 33I6rt33003793; Tue, 18 Apr 2023 18:57:24 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=qcppdkim1; bh=tDG6E9f8cBUS0AgfMe8wEE59vV+JqBijFjadDrGU6/0=; b=IQWaGSG9NhhWpnbmGl4G/CtiVpLDpCAsUfr6jPKmURuFjsce07UOfUIem1ntUhgHNL2Q wmXNefpLjsfAyOxz3MnoFG7GOZTmwwb/4/ib9uVkw602cAKTJy8T4XYQxuqKbW/tlIMF 4IO/Tk2du+ly3852QHp4p5IPe8m0KPbaDWR2WsBCqd94nZnbLXFhxZfWsAi7GLl/sSX5 U9vBx3gRM7FunnuOv673fPmBrp/HOxJIbEI90n/KNjUwCvgxa8++vvDfx/BdROWDeDeR E9F+0DH8w1o+Jmr9fj6tmwgUAfRvnC/GPBja062yWXVf8oZQIkSnXIV893JGrL4uKUZ7 EQ== Received: from nalasppmta03.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3q1nf8hy6g-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 18 Apr 2023 18:57:23 +0000 Received: from nalasex01c.na.qualcomm.com (nalasex01c.na.qualcomm.com [10.47.97.35]) by NALASPPMTA03.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 33IIvNon021503 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 18 Apr 2023 18:57:23 GMT Received: from car-linux11.qualcomm.com (10.80.80.8) by nalasex01c.na.qualcomm.com (10.47.97.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.42; Tue, 18 Apr 2023 11:57:22 -0700 From: Nikunj Kela To: CC: , , , , , , Nikunj Kela Subject: [PATCH v4 1/2] dt-bindings: firmware: arm, scmi: support for parameter in smc/hvc call Date: Tue, 18 Apr 2023 11:56:58 -0700 Message-ID: <20230418185659.29745-2-quic_nkela@quicinc.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230418185659.29745-1-quic_nkela@quicinc.com> References: <20230409181918.29270-1-quic_nkela@quicinc.com> <20230418185659.29745-1-quic_nkela@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01c.na.qualcomm.com (10.47.97.35) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: UuPgZpqM38Yp7nPHdPfcKoMUX-62DHdt X-Proofpoint-ORIG-GUID: UuPgZpqM38Yp7nPHdPfcKoMUX-62DHdt X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.942,Hydra:6.0.573,FMLib:17.11.170.22 definitions=2023-04-18_13,2023-04-18_01,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 impostorscore=0 lowpriorityscore=0 phishscore=0 malwarescore=0 suspectscore=0 priorityscore=1501 bulkscore=0 mlxlogscore=999 adultscore=0 mlxscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2303200000 definitions=main-2304180155 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Currently, smc/hvc calls are made with smc-id only. The parameters are all set to zeros. This patch defines a new compatible string that can be used to pass shmem address(4KB-page, offset) as two parameters in SMC/HVC doorbell. This is useful when multiple scmi instances are used with common smc-id. Signed-off-by: Nikunj Kela Reviewed-by: Rob Herring --- Documentation/devicetree/bindings/firmware/arm,scmi.yaml | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/firmware/arm,scmi.yaml b/Documentation/devicetree/bindings/firmware/arm,scmi.yaml index 5824c43e9893..ad776911f990 100644 --- a/Documentation/devicetree/bindings/firmware/arm,scmi.yaml +++ b/Documentation/devicetree/bindings/firmware/arm,scmi.yaml @@ -34,6 +34,10 @@ properties: - description: SCMI compliant firmware with ARM SMC/HVC transport items: - const: arm,scmi-smc + - description: SCMI compliant firmware with ARM SMC/HVC transport + with shmem address(4KB-page, offset) as parameters + items: + - const: arm,scmi-smc-param - description: SCMI compliant firmware with SCMI Virtio transport. The virtio transport only supports a single device. items: @@ -299,7 +303,9 @@ else: properties: compatible: contains: - const: arm,scmi-smc + enum: + - arm,scmi-smc + - arm,scmi-smc-param then: required: - arm,smc-id