From patchwork Wed Oct 5 20:31:56 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lina Iyer X-Patchwork-Id: 9363367 X-Patchwork-Delegate: agross@codeaurora.org Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 8C9376077E for ; Wed, 5 Oct 2016 20:32:19 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8010E28CDC for ; Wed, 5 Oct 2016 20:32:19 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 745D928CE0; Wed, 5 Oct 2016 20:32:19 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E8CE928CDC for ; Wed, 5 Oct 2016 20:32:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755075AbcJEUcS (ORCPT ); Wed, 5 Oct 2016 16:32:18 -0400 Received: from mail-pf0-f172.google.com ([209.85.192.172]:34253 "EHLO mail-pf0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755058AbcJEUcR (ORCPT ); Wed, 5 Oct 2016 16:32:17 -0400 Received: by mail-pf0-f172.google.com with SMTP id e6so37077208pfk.1 for ; Wed, 05 Oct 2016 13:32:16 -0700 (PDT) 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; bh=0i6HfwbiZ1wMfiMuAPlG7GF37LzSnogluJOuKU/3IbI=; b=h/dvAa16v5kjd4Dmj3cmKSwCS19rTKtexPRh/sJwtugzuWmdm9d12H7y8o4yQJJlWz xh9dnpemCngqPnv+YfxQazOv4nLigLkkPpPRcbgbYsHF2xZTKx8i18wLqEzm3nuln+Wc KelkG6vJGijVAcG8IW5o3NXQDKgi7+f+GBMT8= 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=0i6HfwbiZ1wMfiMuAPlG7GF37LzSnogluJOuKU/3IbI=; b=aN9/u7UL0GNdKY+zJYY5FE6ZpZFT97oJHbajNx4Oe7qwgwGAiFo0GRi2eH0lsSpEhX 940uOyrxBgwWmo26LgfsvREm3s/isWsNtUgURr3/7p5fDk0esUoGUrFKH5pj/YW3N7x+ Ergg5KZe6vM/WUtd0fOOaZorQoQ302ZKqvooCYG8zZytxC2DA2qLW2M9EzO5kMPfC+9A mzIQ0wAd9GW3NgxC1inme+oSYqE/WdzqDHND1qMA/4Jjtg9TKQS0QpOn/dN+EoTyW05H xpazW/0RusJXgYds1gwy2VTD9XgS8YzGprqdvjDxICMHsmqXtnM+pUOkmPd4JU5y2laO N5xQ== X-Gm-Message-State: AA6/9RnEt46gHgOfl9y0Vj3rieQHDPtIyWG8SkCwATLrKHlCueqJm8H0t8Skc+OBL6AhkrPO X-Received: by 10.98.59.5 with SMTP id i5mr10601878pfa.25.1475699536290; Wed, 05 Oct 2016 13:32:16 -0700 (PDT) Received: from ubuntu.localdomain (i-global254.qualcomm.com. [199.106.103.254]) by smtp.gmail.com with ESMTPSA id s80sm42999467pfd.10.2016.10.05.13.32.13 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 05 Oct 2016 13:32:15 -0700 (PDT) From: Lina Iyer To: ulf.hansson@linaro.org, khilman@kernel.org, rjw@rjwysocki.net, linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: andy.gross@linaro.org, sboyd@codeaurora.org, linux-arm-msm@vger.kernel.org, brendan.jackman@arm.com, lorenzo.pieralisi@arm.com, sudeep.holla@arm.com, Juri.Lelli@arm.com, Lina Iyer , devicetree@vger.kernel.org, Marc Titinger Subject: [PATCH 5/8] dt/bindings: Update binding for PM domain idle states Date: Wed, 5 Oct 2016 14:31:56 -0600 Message-Id: <1475699519-109623-6-git-send-email-lina.iyer@linaro.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1475699519-109623-1-git-send-email-lina.iyer@linaro.org> References: <1475699519-109623-1-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-Virus-Scanned: ClamAV using ClamSMTP Update DT bindings to describe idle states of PM domains. This patch is based on the original patch by Marc Titinger. Cc: Signed-off-by: Marc Titinger Signed-off-by: Ulf Hansson Signed-off-by: Lina Iyer Acked-by: Rob Herring --- .../devicetree/bindings/power/power_domain.txt | 36 ++++++++++++++++++++++ 1 file changed, 36 insertions(+) diff --git a/Documentation/devicetree/bindings/power/power_domain.txt b/Documentation/devicetree/bindings/power/power_domain.txt index 025b5e7..a043315 100644 --- a/Documentation/devicetree/bindings/power/power_domain.txt +++ b/Documentation/devicetree/bindings/power/power_domain.txt @@ -29,6 +29,10 @@ Optional properties: specified by this binding. More details about power domain specifier are available in the next section. +- domain-idle-states : A phandle of an idle-state that shall be soaked into a + generic domain power state. The idle state definitions are + compatible with arm,idle-state specified in [1]. + Example: power: power-controller@12340000 { @@ -59,6 +63,36 @@ The nodes above define two power controllers: 'parent' and 'child'. Domains created by the 'child' power controller are subdomains of '0' power domain provided by the 'parent' power controller. +Example 3: + parent: power-controller@12340000 { + compatible = "foo,power-controller"; + reg = <0x12340000 0x1000>; + #power-domain-cells = <1>; + domain-idle-states = <&DOMAIN_RET, &DOMAIN_PWR_DN>; + }; + + child: power-controller@12341000 { + compatible = "foo,power-controller"; + reg = <0x12341000 0x1000>; + power-domains = <&parent 0>; + #power-domain-cells = <1>; + domain-idle-states = <&DOMAIN_PWR_DN>; + }; + + DOMAIN_RET: state@0 { + compatible = "arm,idle-state"; + entry-latency-us = <1000>; + exit-latency-us = <2000>; + min-residency-us = <10000>; + }; + + DOMAIN_PWR_DN: state@1 { + compatible = "arm,idle-state"; + entry-latency-us = <5000>; + exit-latency-us = <8000>; + min-residency-us = <7000>; + }; + ==PM domain consumers== Required properties: @@ -76,3 +110,5 @@ Example: The node above defines a typical PM domain consumer device, which is located inside a PM domain with index 0 of a power controller represented by a node with the label "power". + +[1]. Documentation/devicetree/bindings/arm/idle-states.txt