From nobody Tue Feb 10 06:43:08 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 CCBC7C00528 for ; Sat, 15 Jul 2023 14:37:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230248AbjGOOh1 (ORCPT ); Sat, 15 Jul 2023 10:37:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48386 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229567AbjGOOhY (ORCPT ); Sat, 15 Jul 2023 10:37:24 -0400 Received: from mail-lf1-x136.google.com (mail-lf1-x136.google.com [IPv6:2a00:1450:4864:20::136]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 68DEC2D51 for ; Sat, 15 Jul 2023 07:37:23 -0700 (PDT) Received: by mail-lf1-x136.google.com with SMTP id 2adb3069b0e04-4faaaa476a9so4869651e87.2 for ; Sat, 15 Jul 2023 07:37:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1689431841; x=1692023841; 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=h1PfYXnPFUdyoINMSQb8t2+X3rjDb+lX4Py5/7kpDz8=; b=zomzmBKeflRbMfpSQoKGf0VGvLR1wjVea2S70CLAJdG1UsSokSpNpzKqAXumCK+7pJ SM6xMbU8ZRxh5I68dmxSwQgTwtq+PwelJnfiYD/69bqvkAORlB3GuSvbl+CK/iCq8tL7 Qex+yaKO2XslQFcG41sfGARcgjQ+C1jfxQBDZQSpJ9PbZ3eRs2jPlbl8/jEg7lmNcJkv nixOg8MPLWbtfxpIeNgbb+qPP6cGy9reY9CS5hP/wfDJ1W639q0JjUuX4BjKnryWFrU/ qnRfgb8zWc1ZvpTWpQkGhkpKlqbizEQ0unEuP+oHl4WfWWXfbKcAzSheyx/oSnHxOmDl Uprw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1689431841; x=1692023841; 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=h1PfYXnPFUdyoINMSQb8t2+X3rjDb+lX4Py5/7kpDz8=; b=WYp5wJNBmmnn+adKFI1flZFwycPkRblv5RzKV4YAOAxzmcbViUsD9Esbi3GxvMNHQ8 hAEPx36oOa+e94XwXUu5AY7ug7EhMr0aYggeW+mnMnSuWCH2KPqZusGymTCGK1KprfaV MdhUONvhB12Q7H3GfNRsDzD0bn8ug8agHfFvDhot8bmnsy5lW3baX0v+sNYxrEy+TJj3 MvOjS9lpDACBtY8Ed0EPFtTsGPRNLa0lQ6fjaD5n7dxopbd1wxckRkgPVAl2lj3hpBtX p/wrITOMTuJkpaVTNzxwKbNKJPsiDeWGiVBHHvWpCaF8oEcyo2tnQAQbgbY34mKIDPu+ 6KGg== X-Gm-Message-State: ABy/qLZYBLtgt4GXJkShevliUyyDJZvbxM4yeuZYFlMWEOJjVAQYdm6L 51NnrvgMRpfNFe4iqYfBSIyGrQ== X-Google-Smtp-Source: APBJJlENwnPMJhk/Hv3ShtT5c0MjZkoCfipiqxhk1bwJOoWs8NLXDJr9qLT0rQDlEzPLxKnn/MMNHg== X-Received: by 2002:a05:6512:ad1:b0:4fd:b7fb:c9e9 with SMTP id n17-20020a0565120ad100b004fdb7fbc9e9mr87165lfu.41.1689431841621; Sat, 15 Jul 2023 07:37:21 -0700 (PDT) Received: from [192.168.1.101] (abxi167.neoplus.adsl.tpnet.pl. [83.9.2.167]) by smtp.gmail.com with ESMTPSA id 27-20020ac2483b000000b004f858249932sm1927732lft.90.2023.07.15.07.37.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 15 Jul 2023 07:37:21 -0700 (PDT) From: Konrad Dybcio Date: Sat, 15 Jul 2023 16:37:11 +0200 Subject: [PATCH v3 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-v3-1-2c72f27b4706@linaro.org> References: <20230328-topic-msgram_mpm-v3-0-2c72f27b4706@linaro.org> In-Reply-To: <20230328-topic-msgram_mpm-v3-0-2c72f27b4706@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=1689431838; l=2979; i=konrad.dybcio@linaro.org; s=20230215; h=from:subject:message-id; bh=hEZfhI1EGIlmfejCXVFxQDw5yfJpSTVeevTgH6zVb+o=; b=smtqGVT2hbELn8tjrn1hDztpZdaIz3pc7WiPLxXkZgqgZ5E9//CxZiIvoOAt5Ik9sz7PUku8w Gb2YXdtkfkgDzht6OAufS03cz0dcX1HdSTjdrqCnoGUfV2iu4l3+y5b 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 --- .../bindings/interrupt-controller/qcom,mpm.yaml | 44 +++++++++++++-----= ---- 1 file changed, 27 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..b8bd408748e4 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 +70,37 @@ 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"; + + 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