From nobody Wed Feb 11 09:38:07 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 DEF13C77B6C for ; Wed, 5 Apr 2023 10:48:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237381AbjDEKs5 (ORCPT ); Wed, 5 Apr 2023 06:48:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57842 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237842AbjDEKsl (ORCPT ); Wed, 5 Apr 2023 06:48:41 -0400 Received: from mail-lj1-x231.google.com (mail-lj1-x231.google.com [IPv6:2a00:1450:4864:20::231]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B7711558F for ; Wed, 5 Apr 2023 03:48:39 -0700 (PDT) Received: by mail-lj1-x231.google.com with SMTP id s20so16520296ljp.7 for ; Wed, 05 Apr 2023 03:48:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1680691718; 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=PjlBvbh3eaYQdMUrEcW9s95jBLrDwV6kOykUeIJwqFU=; b=O0Un5q8xa8eZEAV0HNXsomUkDQh2PLo3gU+WS5eAM7Q6JfyVLgD4ZwWF4bxpLJH7T3 HemIheY1djbO+KnIKfvnhbGRLxAD6J2DG8cYF+xD5duGwweh9v1FlQBEQkWppa2SLpP8 JYoV/W/oIcWwCeE/segxii9FnXawpxNUDSV1W9Qe2ZzaFcY2Uk93H1D90JrKqPwgLzoF Zu67hVbXLfaOzMdZEj3y02Yv7dSBJ/H1lqfX5hAUMY6BLIE2nDQsGudh3fgxFDLlNjWE atvPtXNIuzDrLIhAmaycrx38GTWG5RJkehBIcrI7ESjT2f3pJRjDLfnO9rkaLG61PUdO NQOw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1680691718; 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=PjlBvbh3eaYQdMUrEcW9s95jBLrDwV6kOykUeIJwqFU=; b=0HoTe55HaTooDA5dRZhrFzKBqJ4pELCsTHMpl1SjK6bRMD4fKB/qG+tCbb9ILs1Kg0 qh4IW/cUdIjWhEkHkC2jqSxm04Han0jd8JtH4OC/HXG5bCobAVHD8ftRovw8ToG3fYth VB1tXPTh4KeEEdpOhZpcIj/5203I9Jlmrc0ODbKoYeOVJyfml7OZCw55NkGu9ndDhhfm rP/sJOI2IPE4JjtSFVR3995BUVXoCLU9dbpFOn0BdnD17wmdIC2w2QgSQhaIH8OYUnfq kIro824rw6sWCVC+x2oOWJr+BL2xIwmIQXpS526tmqlqPEmRn8VX0X2PKxClFSO47WRe GSWg== X-Gm-Message-State: AAQBX9cTVJAX6kW/ScO0hQivOMo9af21XiJHYNbvNchscnoydrUF4FrG IuIjTDkmK8Fby6x6OaS1KfJhgw== X-Google-Smtp-Source: AKy350bdVUEFNr57PjDT6SWEHZQXvm3/rcWvHgODiBYoZ8YyxqMc3d59JioLMc0ssYPawDgwC2T53g== X-Received: by 2002:a2e:7814:0:b0:29d:ce75:5d06 with SMTP id t20-20020a2e7814000000b0029dce755d06mr1802690ljc.32.1680691717969; Wed, 05 Apr 2023 03:48:37 -0700 (PDT) Received: from [192.168.1.101] (abxh37.neoplus.adsl.tpnet.pl. [83.9.1.37]) by smtp.gmail.com with ESMTPSA id u4-20020a2e9b04000000b00295a3a64816sm2777299lji.2.2023.04.05.03.48.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 05 Apr 2023 03:48:37 -0700 (PDT) From: Konrad Dybcio Date: Wed, 05 Apr 2023 12:48:34 +0200 Subject: [PATCH v2 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-v2-1-e24a48e57f0d@linaro.org> References: <20230328-topic-msgram_mpm-v2-0-e24a48e57f0d@linaro.org> In-Reply-To: <20230328-topic-msgram_mpm-v2-0-e24a48e57f0d@linaro.org> To: Andy Gross , Bjorn Andersson , Thomas Gleixner , Marc Zyngier , Rob Herring , Krzysztof Kozlowski , Shawn Guo 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=1680691715; l=2113; i=konrad.dybcio@linaro.org; s=20230215; h=from:subject:message-id; bh=R+nl9I6wuHXVSNu7ub0x4qWS9SfiNOhOzZJ7YrNBpgo=; b=nkKf8A9vZ3gv5c16oKZQlCBsfqwPAK9cloJD47Af9w4oLjF/q/kjJyT9Hl4zHElrEPnSKgSNhvrx izmgdvb9B9gxIw16BlNtjyjYEqwTaT7Nulq0JppAGtU2sjuLOcj/ 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 --- .../devicetree/bindings/interrupt-controller/qcom,mpm.yaml | 12 ++++++++= +--- 1 file changed, 9 insertions(+), 3 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..61fc5b1b74dc 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 @@ -64,23 +70,22 @@ 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 { + mpm: interrupt-controller { compatible =3D "qcom,mpm"; interrupts =3D ; - reg =3D <0x45f01b8 0x1000>; mboxes =3D <&apcs_glb 1>; interrupt-controller; #interrupt-cells =3D <2>; @@ -93,4 +98,5 @@ examples: <86 183>, <90 260>, <91 260>; + qcom,rpm-msg-ram =3D <&apss_mpm>; }; --=20 2.40.0