From nobody Tue Feb 10 07:40:52 2026 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 4F108EB64DA for ; Tue, 18 Jul 2023 12:19:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232380AbjGRMTW (ORCPT ); Tue, 18 Jul 2023 08:19:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45446 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231420AbjGRMTS (ORCPT ); Tue, 18 Jul 2023 08:19:18 -0400 Received: from mail-lf1-x135.google.com (mail-lf1-x135.google.com [IPv6:2a00:1450:4864:20::135]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E426C10D2 for ; Tue, 18 Jul 2023 05:19:16 -0700 (PDT) Received: by mail-lf1-x135.google.com with SMTP id 2adb3069b0e04-4f4b2bc1565so9275924e87.2 for ; Tue, 18 Jul 2023 05:19:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1689682755; x=1692274755; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=bUmULxkJFQkbBwEQikvTVT92ks+bcAZHBP/gpoL5XI8=; b=TZe/zrcthxpYgsZSQihwFHzWg2tk3hsyGxzn/l5g8q9Ew87/9RiM0VRSYQ6BQABeAq 9f2flR9Ygorp/Z/7DMQ/Fgt0U3Cco7oNxrIm1r1D725Ic2hnNfg9C0WPtFGdV9kw3gSp wIvjxexiFKu5Yf5Kvjky2YmEAsAjBiQKB1nNojWBZwAlm2accL4oO8OZv80CRQdQjTnG tB4rJMdo62zzp8JJuYt9JEKsIlWSnsO4kPuML8tp0jHygthPoll3FwRJ4p0V+z+NKico tULHcrUtsZWHnsUdB4cfHMoheedw8k6gsldVMcnSW0IJQbaJ9ySUM5FPERo0Zxd0/M2y mtRw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1689682755; x=1692274755; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=bUmULxkJFQkbBwEQikvTVT92ks+bcAZHBP/gpoL5XI8=; b=AB1sXHQAYrspbhxGnFoEnwRBLQ7N9wd+XDQQp0DHJvVeYykFgzIY16YJh7MOvcOt4n ZH60QEl3asJxvfKwTAElxTn6n+m68RqFvDJ6refPuZeMkRiwEGoywFbsiSgjEuA55gFt V1S58OZrsx1ueOumdSKR/tsnPEPfEdZw1YWgbaRMjltSa17f7B8u5hGKO8vib/pYdZw8 aAqcD2AM6ZaYSS9y+1lkhhgG6nU31cjyaNCgmNrMHTdU65IQvvsgf7EaQKLYaaxEe53V HbK9jZp/T+SOJeoxd0QnJ+iig/79ODL8ErXkugIuN2r36A3SS1x/2p4pDQEfK1o2sD7p cH9w== X-Gm-Message-State: ABy/qLYY34k+iqv0o1uEHvZepbx5Dv7Fj/LggJrRJnSXQJJwbdfvr5Ib AdtvcfgtMpX3NVDxCgeL7PBPaw== X-Google-Smtp-Source: APBJJlHeSgmv4OvLtCzplL5DOdPiNL1Kv9fzuYpvYuRbztKa3zmdelLDnvaYxWFqpKf38qxkspOovQ== X-Received: by 2002:a05:6512:682:b0:4fb:89f2:594c with SMTP id t2-20020a056512068200b004fb89f2594cmr1456881lfe.56.1689682755090; Tue, 18 Jul 2023 05:19:15 -0700 (PDT) Received: from [192.168.1.101] (abyj181.neoplus.adsl.tpnet.pl. [83.9.29.181]) by smtp.gmail.com with ESMTPSA id w5-20020ac25d45000000b004fbc95a4db3sm418257lfd.28.2023.07.18.05.19.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 18 Jul 2023 05:19:14 -0700 (PDT) From: Konrad Dybcio Date: Tue, 18 Jul 2023 14:19:10 +0200 Subject: [PATCH v4 1/2] dt-bindings: interrupt-controller: mpm: Pass MSG RAM slice through phandle MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20230328-topic-msgram_mpm-v4-1-bae382dc0f92@linaro.org> References: <20230328-topic-msgram_mpm-v4-0-bae382dc0f92@linaro.org> In-Reply-To: <20230328-topic-msgram_mpm-v4-0-bae382dc0f92@linaro.org> To: Andy Gross , Bjorn Andersson , Thomas Gleixner , Marc Zyngier , Rob Herring , Krzysztof Kozlowski , Shawn Guo , Conor Dooley Cc: Marijn Suijten , linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Konrad Dybcio X-Mailer: b4 0.12.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1689682752; l=3218; i=konrad.dybcio@linaro.org; s=20230215; h=from:subject:message-id; bh=u7PKeGTsnebqt/okOLLY3lwduIHrT4WR6NdeB30CILY=; b=D/5g2C3sqCGpybb/GodJlreV5rDzRD9x/w6Al8mFWyfRb19zFCPxVj5YC+m4wBj6PH/LQR7Tg 9ay+dDf8/eQAnOE/EG5tuOTQMKMIAsQTR1BgkUyS5s00i2lcdudg3RA X-Developer-Key: i=konrad.dybcio@linaro.org; a=ed25519; pk=iclgkYvtl2w05SSXO5EjjSYlhFKsJ+5OSZBjOkQuEms= Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Due to the wild nature of the Qualcomm RPM Message RAM, we can't really use 'reg' to point to the MPM's slice of Message RAM without cutting into an already-defined RPM MSG RAM node used for GLINK and SMEM. Document passing the register space as a slice of SRAM through the qcom,rpm-msg-ram property. This also makes 'reg' deprecated. Signed-off-by: Konrad Dybcio Reviewed-by: Krzysztof Kozlowski --- .../bindings/interrupt-controller/qcom,mpm.yaml | 52 +++++++++++++++---= ---- 1 file changed, 35 insertions(+), 17 deletions(-) diff --git a/Documentation/devicetree/bindings/interrupt-controller/qcom,mp= m.yaml b/Documentation/devicetree/bindings/interrupt-controller/qcom,mpm.ya= ml index 509d20c091af..4ce7912d8047 100644 --- a/Documentation/devicetree/bindings/interrupt-controller/qcom,mpm.yaml +++ b/Documentation/devicetree/bindings/interrupt-controller/qcom,mpm.yaml @@ -29,6 +29,12 @@ properties: maxItems: 1 description: Specifies the base address and size of vMPM registers in RPM MSG RAM. + deprecated: true + + qcom,rpm-msg-ram: + $ref: /schemas/types.yaml#/definitions/phandle + description: + Phandle to the APSS MPM slice of the RPM Message RAM =20 interrupts: maxItems: 1 @@ -64,33 +70,45 @@ properties: =20 required: - compatible - - reg - interrupts - mboxes - interrupt-controller - '#interrupt-cells' - qcom,mpm-pin-count - qcom,mpm-pin-map + - qcom,rpm-msg-ram =20 additionalProperties: false =20 examples: - | #include - mpm: interrupt-controller@45f01b8 { - compatible =3D "qcom,mpm"; - interrupts =3D ; - reg =3D <0x45f01b8 0x1000>; - mboxes =3D <&apcs_glb 1>; - interrupt-controller; - #interrupt-cells =3D <2>; - interrupt-parent =3D <&intc>; - qcom,mpm-pin-count =3D <96>; - qcom,mpm-pin-map =3D <2 275>, - <5 296>, - <12 422>, - <24 79>, - <86 183>, - <90 260>, - <91 260>; + + remoteproc-rpm { + compatible =3D "qcom,msm8998-rpm-proc", "qcom,rpm-proc"; + + glink-edge { + compatible =3D "qcom,glink-rpm"; + + interrupts =3D ; + qcom,rpm-msg-ram =3D <&rpm_msg_ram>; + mboxes =3D <&apcs_glb 0>; + }; + + mpm: interrupt-controller { + compatible =3D "qcom,mpm"; + qcom,rpm-msg-ram =3D <&apss_mpm>; + interrupts =3D ; + mboxes =3D <&apcs_glb 1>; + interrupt-controller; + #interrupt-cells =3D <2>; + interrupt-parent =3D <&intc>; + qcom,mpm-pin-count =3D <96>; + qcom,mpm-pin-map =3D <2 275>, + <5 296>, + <12 422>, + <24 79>, + <86 183>, + <91 260>; + }; }; --=20 2.41.0