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: 7643341 Return-Path: X-Original-To: patchwork-linux-arm@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 59A899F2EC for ; Tue, 17 Nov 2015 22:49:44 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 8826320459 for ; Tue, 17 Nov 2015 22:49:43 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 9F09F2051F for ; Tue, 17 Nov 2015 22:49:42 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1Zyp2B-0007Ss-DS; Tue, 17 Nov 2015 22:47:31 +0000 Received: from mail-pa0-x235.google.com ([2607:f8b0:400e:c03::235]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZyouY-0005nv-Jj for linux-arm-kernel@lists.infradead.org; Tue, 17 Nov 2015 22:39:42 +0000 Received: by padhx2 with SMTP id hx2so22150681pad.1 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=MqjotUBOd4QgIs95kX1Mja13lM0Tu3R8BduShL8A9wkYNyxQ6FdYHvwY3idf4wU/n9 xVXdLEAND7AGSjmGvXmgcL2+kBIstiftnV3baaDD0yCe7Ua9HnFleZPaC3zEj/goXXH+ oYFbYmwNAOIY7ZefV41T9Bt5NIADCxdWRuJW7rnrdkfY60VHcDiWoAcAh1XYTNkPVSLd ku8n67GTQ8p5d5hLU/ykghAKsHfO6YtpVI9u6ntbcgjg0Xo0QQvUv38PKiT3IMe6kLty smI2emR0AXkRjmBST4vh4EUnZXP0wdvfRa+M9HIkCfbKrkJbB0K0GjvtjGptF3/5ePXj hrYA== X-Gm-Message-State: ALoCoQlFIIvMbLx5uzcgkeOgyb1KSKuwRKkyN6PWzeGGO6OTt8mT9SeMeLSu/O0tcqZ7fR5zFgtY 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 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> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20151117_143939_059894_788123BC X-CRM114-Status: GOOD ( 10.86 ) X-Spam-Score: -2.6 (--) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: k.kozlowski@samsung.com, lorenzo.pieralisi@arm.com, ahaslam@baylibre.com, linux-arm-msm@vger.kernel.org, sboyd@codeaurora.org, msivasub@codeaurora.org, geert@linux-m68k.org, Lina Iyer , agross@codeaurora.org, mtitinger@baylibre.com MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.7 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_MED,RP_MATCHES_RCVD,T_DKIM_INVALID,UNPARSEABLE_RELAY autolearn=unavailable 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";