From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,MIME_HEADER_CTYPE_ONLY,MIME_NO_TEXT, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,T_TVD_MIME_NO_HEADERS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C2820C56202 for ; Tue, 10 Nov 2020 18:38:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 67261206F1 for ; Tue, 10 Nov 2020 18:38:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=broadcom.com header.i=@broadcom.com header.b="a2T29/AF" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731403AbgKJSig (ORCPT ); Tue, 10 Nov 2020 13:38:36 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43146 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726557AbgKJSie (ORCPT ); Tue, 10 Nov 2020 13:38:34 -0500 Received: from mail-pg1-x541.google.com (mail-pg1-x541.google.com [IPv6:2607:f8b0:4864:20::541]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 79F98C0613D3 for ; Tue, 10 Nov 2020 10:38:34 -0800 (PST) Received: by mail-pg1-x541.google.com with SMTP id r186so11003808pgr.0 for ; Tue, 10 Nov 2020 10:38:34 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; h=from:to:cc:subject:date:message-id; bh=kkBRc/n0dRQEwJSLA1GFqTSFz3YYDliGVzo6+72DO90=; b=a2T29/AFHWubnnOypujkSAVEcRjdkDUT4p8CFwNuTwJatiQWbbFWBh3txZ7ivQ33Qc xlsLULo6HFoUSBrrIZyoDkAqcn66Gbo7V+0vy5BI5NbrP/RJ87vVmbqYtS5KBBfnk73V 8KTq9hy7Txm5QcL6Mpg6jmhJUhUpyvl7J5wqI= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=kkBRc/n0dRQEwJSLA1GFqTSFz3YYDliGVzo6+72DO90=; b=cfS/ViGqt8ZSp/oOx2NLEB0eArH+/w3fXCWpnXlaPhACCvc3eXiZBQt/VXsk3z7gK0 udqgAw9ZobtmZSO7SyUuA6/n9XNjskjO+TyflbvmVF8Xbyz3sZ3/tQY0utpUu/0kzDtY /IyE0NtofJEHUvAlfIkDMMz8UGbIdEwX2O6Ht5J3anxjuo1xEF7OEPKb+wnwA4t7I29C /HsXuu9hd9jlD4RXXJKrjd42qzX5jKSMgk5mrgMIgC33WWkY4NCSiMTMJ9IxPoVftBK+ NcDiTYA3afBm4b/VKqXDbJiUE1itj9laxI+N4ZMIySMwbNdvUvpZNPyPh4k5xCWii75R wXig== X-Gm-Message-State: AOAM531c0CWJwmqSye3QwGXTClXJpodPYg8z0z1SkTPdCKrWyT4jiMM/ ZpDIaQrILhNyzvhlodM8Hr6u8A== X-Google-Smtp-Source: ABdhPJyDR3hKTxRpvz3324qWgO4F9Hamwr7Zo3ygOm90DTbBAvv2FuEpIPSSR37iLeBGysZrTqYohQ== X-Received: by 2002:a63:6bc7:: with SMTP id g190mr17694395pgc.250.1605033513876; Tue, 10 Nov 2020 10:38:33 -0800 (PST) Received: from stbsrv-and-01.and.broadcom.net ([192.19.231.250]) by smtp.gmail.com with ESMTPSA id x18sm9187988pfi.206.2020.11.10.10.38.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 10 Nov 2020 10:38:33 -0800 (PST) From: Jim Quinlan To: Sudeep Holla , bcm-kernel-feedback-list@broadcom.com, james.quinlan@broadcom.com Cc: Rob Herring , devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS), linux-kernel@vger.kernel.org (open list) Subject: [PATCH v1 1/2] dt-bindings: arm: Add optional interrupt to smc/hvc SCMI transport Date: Tue, 10 Nov 2020 13:38:18 -0500 Message-Id: <20201110183827.19731-1-james.quinlan@broadcom.com> X-Mailer: git-send-email 2.17.1 Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="00000000000078d25405b3c4fccb" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --00000000000078d25405b3c4fccb This change allows the SCMI "platform" to use the smc/hvc transport and to optionally indicate the completion of an SCMI message with an interrupt. This is in contrast to the nominal case where the return of the SMC call indicates message completion. Signed-off-by: Jim Quinlan --- Documentation/devicetree/bindings/arm/arm,scmi.txt | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/Documentation/devicetree/bindings/arm/arm,scmi.txt b/Documentation/devicetree/bindings/arm/arm,scmi.txt index 55deb68230eb..d3b0c9f387fe 100644 --- a/Documentation/devicetree/bindings/arm/arm,scmi.txt +++ b/Documentation/devicetree/bindings/arm/arm,scmi.txt @@ -31,6 +31,14 @@ Optional properties: - mbox-names: shall be "tx" or "rx" depending on mboxes entries. +- interrupts : when using smc or hvc transports, this optional + property indicates that msg completion by the platform is indicated + by an interrupt rather than by the return of the smc call. This + should not be used except when the platform requires such behavior. + +- interrupt-names : the name must be "msg-serviced". + + See Documentation/devicetree/bindings/mailbox/mailbox.txt for more details about the generic mailbox controller and client driver bindings. -- 2.17.1 --00000000000078d25405b3c4fccb Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIIQQwYJKoZIhvcNAQcCoIIQNDCCEDACAQExDzANBglghkgBZQMEAgEFADALBgkqhkiG9w0BBwGg gg2YMIIE6DCCA9CgAwIBAgIOSBtqCRO9gCTKXSLwFPMwDQYJKoZIhvcNAQELBQAwTDEgMB4GA1UE CxMXR2xvYmFsU2lnbiBSb290IENBIC0gUjMxEzARBgNVBAoTCkdsb2JhbFNpZ24xEzARBgNVBAMT Ckdsb2JhbFNpZ24wHhcNMTYwNjE1MDAwMDAwWhcNMjQwNjE1MDAwMDAwWjBdMQswCQYDVQQGEwJC RTEZMBcGA1UEChMQR2xvYmFsU2lnbiBudi1zYTEzMDEGA1UEAxMqR2xvYmFsU2lnbiBQZXJzb25h bFNpZ24gMiBDQSAtIFNIQTI1NiAtIEczMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA 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