From patchwork Tue Nov 17 22:37:51 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lina Iyer X-Patchwork-Id: 7643041 X-Patchwork-Delegate: agross@codeaurora.org Return-Path: X-Original-To: patchwork-linux-arm-msm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 43E889F392 for ; Tue, 17 Nov 2015 22:39:25 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 4BA732051A for ; Tue, 17 Nov 2015 22:39:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4BED42051C for ; Tue, 17 Nov 2015 22:39:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754994AbbKQWjV (ORCPT ); Tue, 17 Nov 2015 17:39:21 -0500 Received: from mail-pa0-f54.google.com ([209.85.220.54]:35491 "EHLO mail-pa0-f54.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754898AbbKQWjS (ORCPT ); Tue, 17 Nov 2015 17:39:18 -0500 Received: by pacej9 with SMTP id ej9so22087576pac.2 for ; Tue, 17 Nov 2015 14:39:17 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro_org.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=0/8EdVFC1nhROzN6GPDSKaYy9CA8yU51RZWgtKR7Srk=; b=oLGaplL2ELG81offjg40eVMcityZUv5sKxIEWmM8v+k9tGo84PcAEOrNw5Yfd2D0JU vqViBxS49N9wC9VcwP/2tv7Ti1N2102hHc+MbjXVOR6oSImPzcHmr/a/dZX2bO76Bnfh L2I9bKdk244h1J5geClWg1Lr04d1ZHx3FIV4HFzwvmQfVS+cRRF/WfWG72TVcws41qXQ 0iMVuhbhAiX5YHoB3JXDB2ePbENcVPPendOZM1EIkj6CWLw4k2X+RhobQKoac+bwr0NF Jqe10Ni+Ab0yDT96Wh5QKBEBRVoZK1fDZ//JckyNrSaCsS136XViVXYP53RugmfdePiC sTZw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=0/8EdVFC1nhROzN6GPDSKaYy9CA8yU51RZWgtKR7Srk=; b=TBknuLgbAaq44+9ikUWrvumBUaHHw8CrwcIuiYredLQEFJQGOKEkTbgJ5gpmemjUAK ekEqnP05hBlKrUCM46C7MDHgTxkDi9UxdSs4soauHDn/kq86W8ZGv/B9hqkuD/Sv+e7Q hcw40zkwHcMCy9g9TX0A/NkwNR9Z87wkVrl4ZZpyV+PGlP0KSJ4gEzp4yoG0ObECp7HJ yBepm1TXVhnqNIRy6nfZYzcwHOI1sQAcKFilGu2s1Q6ki3dzIZdgcW1PXei0ap9h1oDh qUuVqRqlCYOET9isw/Do0tC6Y3e5X150kH4oG+XWCiOqVQRMtsqGc+6bwcdXeALPddZe 4KTQ== X-Gm-Message-State: ALoCoQkk2rIwtkzyi6HdKpMyLiTIlA3xdfMRKHdqFz/OPSb40DBNS0IYE37eEpJ06CVN3GetXLyh X-Received: by 10.67.1.103 with SMTP id bf7mr65865085pad.147.1447799957836; Tue, 17 Nov 2015 14:39:17 -0800 (PST) Received: from ubuntu.localdomain ([8.42.77.226]) by smtp.gmail.com with ESMTPSA id hy1sm14875199pbb.63.2015.11.17.14.39.15 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 17 Nov 2015 14:39:16 -0800 (PST) From: Lina Iyer To: ulf.hansson@linaro.org, khilman@linaro.org, linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: geert@linux-m68k.org, k.kozlowski@samsung.com, msivasub@codeaurora.org, agross@codeaurora.org, sboyd@codeaurora.org, linux-arm-msm@vger.kernel.org, lorenzo.pieralisi@arm.com, ahaslam@baylibre.com, mtitinger@baylibre.com, Lina Iyer Subject: [PATCH RFC 27/27] ARM64: dts: Define CPU power domain for MSM8916 Date: Tue, 17 Nov 2015 15:37:51 -0700 Message-Id: <1447799871-56374-28-git-send-email-lina.iyer@linaro.org> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1447799871-56374-1-git-send-email-lina.iyer@linaro.org> References: <1447799871-56374-1-git-send-email-lina.iyer@linaro.org> Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org X-Spam-Status: No, score=-7.4 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,RP_MATCHES_RCVD,T_DKIM_INVALID,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Define power domain and the power states for the domain as defined by the PSCI firmware. Signed-off-by: Lina Iyer --- arch/arm64/boot/dts/qcom/msm8916.dtsi | 48 ++++++++++++++++++++++++++++++++++- 1 file changed, 47 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/qcom/msm8916.dtsi b/arch/arm64/boot/dts/qcom/msm8916.dtsi index 5806438..3ea8126 100644 --- a/arch/arm64/boot/dts/qcom/msm8916.dtsi +++ b/arch/arm64/boot/dts/qcom/msm8916.dtsi @@ -47,12 +47,32 @@ #address-cells = <1>; #size-cells = <0>; + cpu-map { + cluster0 { + cluster = <&CLUSTER0>; + + core0 { + cpu = <&CPU0>; + }; + core1 { + cpu = <&CPU1>; + }; + core2 { + cpu = <&CPU2>; + }; + core3 { + cpu = <&CPU3>; + }; + }; + }; + CPU0: cpu@0 { device_type = "cpu"; compatible = "arm,cortex-a53", "arm,armv8"; reg = <0x0>; enable-method = "psci"; cpu-idle-states = <&CPU_SPC>; + power-domains = <&CLUSTER0>; }; CPU1: cpu@1 { @@ -61,6 +81,7 @@ reg = <0x1>; enable-method = "psci"; cpu-idle-states = <&CPU_SPC>; + power-domains = <&CLUSTER0>; }; CPU2: cpu@2 { @@ -69,6 +90,7 @@ reg = <0x2>; enable-method = "psci"; cpu-idle-states = <&CPU_SPC>; + power-domains = <&CLUSTER0>; }; CPU3: cpu@3 { @@ -77,6 +99,7 @@ reg = <0x3>; enable-method = "psci"; cpu-idle-states = <&CPU_SPC>; + power-domains = <&CLUSTER0>; }; idle-states { @@ -89,8 +112,31 @@ min-residency-us = <2000>; }; }; + + CLUSTER0: cluster@0 { + #power-domain-cells = <0>; + power-states = <&CLUSTER_RET>, <&CLUSTER_PWR_DWN>; + }; + + cluster-power-states { + CLUSTER_RET: power-state@1 { + compatible = "linux,domain-state"; + state-param = <0x1000010>; + entry-latency-us = <500>; + exit-latency-us = <500>; + residency-us = <2000>; + }; + + CLUSTER_PWR_DWN: power-state@2 { + compatible = "linux,domain-state"; + state-param = <0x1000030>; + entry-latency-us = <2000>; + exit-latency-us = <2000>; + residency-us = <6000>; + }; + }; }; - + psci { compatible = "arm,psci-1.0"; method = "smc";