From patchwork Tue Mar 3 15:07:44 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ulf Hansson X-Patchwork-Id: 212676 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=-9.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,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 2D468C3F2C6 for ; Tue, 3 Mar 2020 15:08:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 043712083E for ; Tue, 3 Mar 2020 15:08:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="k/Z9gXXq" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729487AbgCCPIB (ORCPT ); Tue, 3 Mar 2020 10:08:01 -0500 Received: from mail-lf1-f66.google.com ([209.85.167.66]:40274 "EHLO mail-lf1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729176AbgCCPIB (ORCPT ); Tue, 3 Mar 2020 10:08:01 -0500 Received: by mail-lf1-f66.google.com with SMTP id p5so3040395lfc.7 for ; Tue, 03 Mar 2020 07:08:00 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=B30v3NBJ89pTZvCRAyGguiMnt+PH3RI+BA4eDrldRLY=; b=k/Z9gXXqNlqfswOQwls9gp/b1woar1i2f5V8G/kc56ZdmRjSnj8PGdrlMoAhZe/J5Y K3fnFzs2hsZawrNoqYblo5+8ztsKhuNfmaaKe6W30Yncrf1lUS1bi/qcTsTX+uQTxnZf GBWAQSh35JRJkc3KU8ZbmX420ykXl8bYoMw4i9nc0egLBhA/s25pvvJQUb0KcUGUuklf uw5itk1tZg8MnPhLaM153kWr6hd9P2c1H7Gbpe+/JRrvEeP3P/kX3HD6eg89gpryUjp7 pabbouy0baZYlRoExtpecn9l0khYWrqTkAMHIGsEMDkKI9lrpD/5duiHzSScjUnRrWXc bUUQ== 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:in-reply-to :references:mime-version:content-transfer-encoding; bh=B30v3NBJ89pTZvCRAyGguiMnt+PH3RI+BA4eDrldRLY=; b=Uo5UkFXmPpnr5ic34p5RnVjLyz71b6E/ZMMyGktJuOzJpS8OM28Vc4J8lABbZmslpt dfupW1C9tifOP5Pp52gt36YBnXcLtSRZEmpCSjlJZg7+peQeamJxCc4+dO+zbFlOz4k0 dYwDYt3ybMFcxH1HXgAna+xKfeNR/41WRTPLPWwhb+ni7HACMaZC5OjuYWim+3+kfmqH wu9JeoYXFGsvtcTAKwVv1c31yJxCqqx3SG0UCiimXnDifbmmRhm+U9xTDi99PSXz1tHQ 6UuRqyTjrLK8Ux2P2VPM64YxMC843pGCi9yusrxyMoljK0uelXoEP3GMdzaJtjjXasVi 577g== X-Gm-Message-State: ANhLgQ1hzhCnAmZCjnD8bgZYyKkGAfT2aCE1W1nXTyHL3cqeGTaXCRIt rpZJA2qRd3QflTb7CQ/Ycbu/vw== X-Google-Smtp-Source: ADFU+vsNa2Cmu28UnbH+m7iPEgdhqmX6OprzfWRZhA31z6e3MSYvdgClxx8aL3JsLOL6vHbmRtGbDg== X-Received: by 2002:a05:6512:304c:: with SMTP id b12mr2036672lfb.196.1583248079201; Tue, 03 Mar 2020 07:07:59 -0800 (PST) Received: from localhost.localdomain (h-158-174-22-210.NA.cust.bahnhof.se. [158.174.22.210]) by smtp.gmail.com with ESMTPSA id n189sm12143135lfa.14.2020.03.03.07.07.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 03 Mar 2020 07:07:58 -0800 (PST) From: Ulf Hansson To: Rob Herring , Sudeep Holla , Lorenzo Pieralisi , devicetree@vger.kernel.org Cc: "Rafael J . Wysocki" , Daniel Lezcano , Lina Iyer , Stephen Boyd , Bjorn Andersson , Benjamin Gaignard , Ulf Hansson , linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org Subject: [PATCH 2/7] dt-bindings: arm: Fix cpu compatibles in the hierarchical example for PSCI Date: Tue, 3 Mar 2020 16:07:44 +0100 Message-Id: <20200303150749.30566-3-ulf.hansson@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200303150749.30566-1-ulf.hansson@linaro.org> References: <20200303150749.30566-1-ulf.hansson@linaro.org> MIME-Version: 1.0 Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Fixes: a3f048b5424e ("dt: psci: Update DT bindings to support hierarchical PSCI states") Signed-off-by: Ulf Hansson --- Documentation/devicetree/bindings/arm/psci.yaml | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/arm/psci.yaml b/Documentation/devicetree/bindings/arm/psci.yaml index f8218e60e3e2..540211a080d4 100644 --- a/Documentation/devicetree/bindings/arm/psci.yaml +++ b/Documentation/devicetree/bindings/arm/psci.yaml @@ -199,7 +199,7 @@ examples: CPU0: cpu@0 { device_type = "cpu"; - compatible = "arm,cortex-a53", "arm,armv8"; + compatible = "arm,cortex-a53"; reg = <0x0>; enable-method = "psci"; power-domains = <&CPU_PD0>; @@ -208,7 +208,7 @@ examples: CPU1: cpu@1 { device_type = "cpu"; - compatible = "arm,cortex-a57", "arm,armv8"; + compatible = "arm,cortex-a53"; reg = <0x100>; enable-method = "psci"; power-domains = <&CPU_PD1>; From patchwork Tue Mar 3 15:07:46 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ulf Hansson X-Patchwork-Id: 212675 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=-9.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=unavailable 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 A0B03C3F2D9 for ; Tue, 3 Mar 2020 15:08:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 77A772073D for ; Tue, 3 Mar 2020 15:08:05 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="mPul6xha" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729517AbgCCPIF (ORCPT ); Tue, 3 Mar 2020 10:08:05 -0500 Received: from mail-lf1-f65.google.com ([209.85.167.65]:36136 "EHLO mail-lf1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729452AbgCCPIE (ORCPT ); Tue, 3 Mar 2020 10:08:04 -0500 Received: by mail-lf1-f65.google.com with SMTP id s1so3065156lfd.3 for ; Tue, 03 Mar 2020 07:08:02 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=oH2DPw9yOnkNvy1Ktf77A4iViJfMOE/P09y2cJqfUP0=; b=mPul6xhaNAuxo8T2+NE+xGn8787mHR5kxItdLJQJgLjWA7RHBJv120FuQ0vlz6JeMi L86z/EMCuNHoLke+7BgdQPJLpMsDrJY4PNNIR4KHK/5id2D6YAD4T+9SbyZ/nEvaDU+3 epDaF59obqiYBlfBmYhFIi5QVk/ZNTprB/WeyY83K/5ILFe5xaQ2Vj9aVWajv4R+iESZ JeO21O78P8bErOdDEp5lNIkLGaGrtMc/pQ4/tusG+B/6aOnA0XkiAi90SxaWaztVSOHj 1sBD75JH05+mvHNLxdeTL1b7Th5uQowbmcuJJDknrkNnHyWmwp8THQeBzYamGO3C+TyE o/fw== 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:in-reply-to :references:mime-version:content-transfer-encoding; bh=oH2DPw9yOnkNvy1Ktf77A4iViJfMOE/P09y2cJqfUP0=; b=aPx3TWpBtpOkst85OsWeG4rjesRAtIZkZ/9PMObiAVLN3dOJqj9L827vZfInQjqjm3 DcYXxl+j2Q7JB7mj5ktG2dh/B+xPClv+9e/bKl8lASQM0EenxpoPgU2zYKOZ8HSephwR 2lHe0FgXCrLEUyr9huJdbz48GBFa+wTEqtQ6+dGRrit+VcgXlqeBhW2zyG/8WLL3D8JP fN3xVdQ9StaWGLvALIGidQWmNVw+PHdJXYQh1yvWpVVxxIo2K7TVYEeIrvoDlTp7QYMQ kg2Hppd51IewRAMSadXBhTdoJG9BY7CUvxIWsoubp20sMi6UvULkPt+3acCM3eMltaPz zrxw== X-Gm-Message-State: ANhLgQ051tmtjERWvsFA1IXuFGnWZc8Sss+995dGXGCSUOXFgGtL4vJe BtgKeNybcREQkhWqofM67dwAgw== X-Google-Smtp-Source: ADFU+vvodELrLn3K9Dksie5B3U4dnmjJWJrhxSD42Lo+ggn0ROi0yWlkIY+w/726ufnV7RZRHghSUw== X-Received: by 2002:ac2:5ca5:: with SMTP id e5mr2984605lfq.122.1583248082142; Tue, 03 Mar 2020 07:08:02 -0800 (PST) Received: from localhost.localdomain (h-158-174-22-210.NA.cust.bahnhof.se. [158.174.22.210]) by smtp.gmail.com with ESMTPSA id n189sm12143135lfa.14.2020.03.03.07.08.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 03 Mar 2020 07:08:01 -0800 (PST) From: Ulf Hansson To: Rob Herring , Sudeep Holla , Lorenzo Pieralisi , devicetree@vger.kernel.org Cc: "Rafael J . Wysocki" , Daniel Lezcano , Lina Iyer , Stephen Boyd , Bjorn Andersson , Benjamin Gaignard , Ulf Hansson , linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org Subject: [PATCH 4/7] dt-bindings: power: Extend nodename pattern for power-domain providers Date: Tue, 3 Mar 2020 16:07:46 +0100 Message-Id: <20200303150749.30566-5-ulf.hansson@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200303150749.30566-1-ulf.hansson@linaro.org> References: <20200303150749.30566-1-ulf.hansson@linaro.org> MIME-Version: 1.0 Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org The existing binding requires the nodename to have a '@', which is a bit limiting for the wider use case. Therefore, let's extend the pattern to allow either '@' or '-'. Additionally, let's update one of the examples to show how the updated pattern could be used. Fixes: a3f048b5424e ("dt: psci: Update DT bindings to support hierarchical PSCI states") Signed-off-by: Ulf Hansson --- Documentation/devicetree/bindings/power/power-domain.yaml | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/Documentation/devicetree/bindings/power/power-domain.yaml b/Documentation/devicetree/bindings/power/power-domain.yaml index 207e63ae10f9..dc232759013e 100644 --- a/Documentation/devicetree/bindings/power/power-domain.yaml +++ b/Documentation/devicetree/bindings/power/power-domain.yaml @@ -25,7 +25,7 @@ description: |+ properties: $nodename: - pattern: "^(power-controller|power-domain)(@.*)?$" + pattern: "^(power-controller|power-domain)([@-].*)?$" domain-idle-states: $ref: /schemas/types.yaml#/definitions/phandle-array @@ -71,13 +71,13 @@ required: examples: - | - power: power-controller@12340000 { - compatible = "foo,power-controller"; + power: power-domain-foo { + compatible = "foo,power-domain"; reg = <0x12340000 0x1000>; #power-domain-cells = <1>; }; - // The node above defines a power controller that is a PM domain provider and + // The node above defines a power domain that is a PM domain provider and // expects one cell as its phandle argument. - | From patchwork Tue Mar 3 15:07:47 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ulf Hansson X-Patchwork-Id: 212674 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=-9.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=unavailable 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 3FB7AC3F2C6 for ; Tue, 3 Mar 2020 15:08:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0E0392083E for ; Tue, 3 Mar 2020 15:08:08 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="T4WeVLCj" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729791AbgCCPIH (ORCPT ); Tue, 3 Mar 2020 10:08:07 -0500 Received: from mail-lf1-f68.google.com ([209.85.167.68]:42365 "EHLO mail-lf1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729605AbgCCPIH (ORCPT ); Tue, 3 Mar 2020 10:08:07 -0500 Received: by mail-lf1-f68.google.com with SMTP id t21so1999206lfe.9 for ; Tue, 03 Mar 2020 07:08:04 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=/NDACQevUaDc6JLaPGhMJ8UIpdipROa3WbiIGkpAEKo=; b=T4WeVLCjzQGfNUrES9Hy941MNj53A0yQWbbAPWTiPENyy1q1vpfzLRYqgm7ZJZQABy n+t9IXXQ7k6vZ+zUAh62pucstlgWBz/uF9VNQM44sUO7whZqXxMo85IQZT81qliVMizQ EzNMzQgacBQyzjLqjyxeGcTKGbWRyVSM7ZLqcsXGXlBSyPiUROa/VZQjo/Z8dLIHLlCq WeRU8WycVDsUECgE480sgW58hWtWUSyIG4TRTLVzh1WYazOzYYyichLNmT2WsEdetIuF j6weAufoJjq/B4ZsvsvymH2zVRnn4ENR5tsItmkzrxFQe0CmrvtMRL4IdtqwsOvwbKPP B+vw== 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:in-reply-to :references:mime-version:content-transfer-encoding; bh=/NDACQevUaDc6JLaPGhMJ8UIpdipROa3WbiIGkpAEKo=; b=YYE0NAm1O2sVJ42XcmoRaevQL4wDorSXEe1uh3Tc7d1nziKaVkqELgOLQGxrCAJVB1 R234E2uvjmvSctDg0mk5F4xhQI0fKe7zufh1+rovj6UMTD4CuKx8Io/cJQl6SLjl+Y6h 8uJFy1xXf8CQ6rO+ZzN/xHmlH8Srb6UI/JpL8Tj2w/9Tnl602j1xvPBh5TpEQV7ZZ2Aj xwgfLm6Ovy/jIorY7yr8zObG46Vz+jiyB8P+ldLVgDYuEtfBLljG2tkypUieYGNHfZ3p Mr6HAZ51tjPdASocKnUcfrSQ+80+SkV9+yvE9VWV0f9szQfvOWJHceonNZ4R8qeBYDpS ByLg== X-Gm-Message-State: ANhLgQ10yo1k0Lvl05kuH2lp66Bx2UdV2WS5KXwe4etYbrf688QxbWib +up9uG0NQqJ+5hlj4WQg2rOpTw== X-Google-Smtp-Source: ADFU+vuGkkQiguth40cp1bw44U/CLR3j6mkPP+xXUr5/Vlp3zdPzogFaLS0srx11FKpgV5fWvZTJhg== X-Received: by 2002:ac2:59c7:: with SMTP id x7mr2953144lfn.148.1583248083583; Tue, 03 Mar 2020 07:08:03 -0800 (PST) Received: from localhost.localdomain (h-158-174-22-210.NA.cust.bahnhof.se. [158.174.22.210]) by smtp.gmail.com with ESMTPSA id n189sm12143135lfa.14.2020.03.03.07.08.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 03 Mar 2020 07:08:02 -0800 (PST) From: Ulf Hansson To: Rob Herring , Sudeep Holla , Lorenzo Pieralisi , devicetree@vger.kernel.org Cc: "Rafael J . Wysocki" , Daniel Lezcano , Lina Iyer , Stephen Boyd , Bjorn Andersson , Benjamin Gaignard , Ulf Hansson , linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org Subject: [PATCH 5/7] dt-bindings: arm: Fixup the DT bindings for hierarchical PSCI states Date: Tue, 3 Mar 2020 16:07:47 +0100 Message-Id: <20200303150749.30566-6-ulf.hansson@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200303150749.30566-1-ulf.hansson@linaro.org> References: <20200303150749.30566-1-ulf.hansson@linaro.org> MIME-Version: 1.0 Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org The hierarchical topology with power-domain should be described through child nodes, rather than as currently described in the PSCI root node. Fix this by adding a patternProperties with a corresponding reference to the power-domain DT binding. Additionally, update the example to conform to the new pattern, but also to the adjusted domain-idle-state DT binding. Fixes: a3f048b5424e ("dt: psci: Update DT bindings to support hierarchical PSCI states") Signed-off-by: Ulf Hansson --- .../devicetree/bindings/arm/psci.yaml | 33 +++++++++---------- 1 file changed, 15 insertions(+), 18 deletions(-) diff --git a/Documentation/devicetree/bindings/arm/psci.yaml b/Documentation/devicetree/bindings/arm/psci.yaml index 0bc3c43a525a..cae668b61265 100644 --- a/Documentation/devicetree/bindings/arm/psci.yaml +++ b/Documentation/devicetree/bindings/arm/psci.yaml @@ -102,11 +102,15 @@ properties: [1] Kernel documentation - ARM idle states bindings Documentation/devicetree/bindings/arm/idle-states.yaml - "#power-domain-cells": - description: - The number of cells in a PM domain specifier as per binding in [3]. - Must be 0 as to represent a single PM domain. +required: + - compatible + - method +patternProperties: + "^(power-controller|power-domain)([@-].*)?$": + $ref: "../power/power-domain.yaml#" + type: object + description: | ARM systems can have multiple cores, sometimes in an hierarchical arrangement. This often, but not always, maps directly to the processor power topology of the system. Individual nodes in a topology have their @@ -122,19 +126,9 @@ properties: helps to implement support for OSI mode and OS implementations may choose to mandate it. - [3] Documentation/devicetree/bindings/power/power_domain.txt + [3] Documentation/devicetree/bindings/power/power-domain.yaml [4] Documentation/devicetree/bindings/power/domain-idle-state.yaml - power-domains: - $ref: '/schemas/types.yaml#/definitions/phandle-array' - description: - List of phandles and PM domain specifiers, as defined by bindings of the - PM domain provider. - -required: - - compatible - - method - allOf: - if: properties: @@ -224,6 +218,9 @@ examples: exit-latency-us = <10>; min-residency-us = <100>; }; + }; + + domain-idle-states { CLUSTER_RET: cluster-retention { compatible = "domain-idle-state"; @@ -247,19 +244,19 @@ examples: compatible = "arm,psci-1.0"; method = "smc"; - CPU_PD0: cpu-pd0 { + CPU_PD0: power-domain-cpu0 { #power-domain-cells = <0>; domain-idle-states = <&CPU_PWRDN>; power-domains = <&CLUSTER_PD>; }; - CPU_PD1: cpu-pd1 { + CPU_PD1: power-domain-cpu1 { #power-domain-cells = <0>; domain-idle-states = <&CPU_PWRDN>; power-domains = <&CLUSTER_PD>; }; - CLUSTER_PD: cluster-pd { + CLUSTER_PD: power-domain-cluster { #power-domain-cells = <0>; domain-idle-states = <&CLUSTER_RET>, <&CLUSTER_PWRDN>; };