From patchwork Fri Oct 7 22:36:58 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lina Iyer X-Patchwork-Id: 9367771 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 489F9600C8 for ; Fri, 7 Oct 2016 22:37:24 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4D93E297F0 for ; Fri, 7 Oct 2016 22:37:24 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 3FC1C2983E; Fri, 7 Oct 2016 22:37:24 +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=-6.3 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI, RCVD_IN_SORBS_SPAM, 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 77D59297F0 for ; Fri, 7 Oct 2016 22:37:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754800AbcJGWhW (ORCPT ); Fri, 7 Oct 2016 18:37:22 -0400 Received: from mail-pf0-f178.google.com ([209.85.192.178]:34828 "EHLO mail-pf0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754018AbcJGWhU (ORCPT ); Fri, 7 Oct 2016 18:37:20 -0400 Received: by mail-pf0-f178.google.com with SMTP id 128so10580815pfz.2 for ; Fri, 07 Oct 2016 15:37:20 -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=UNwOu0JQdghZdbrwpsIZIniL3vdYejfFHf+WUce3AVI=; b=CD+HZn9UJA0wYkuAgRDFV+0S/o5nh/zecCH/l8t7MlgQhKEHNgIMo84kyOHlEzfFL+ jG/U5yhxFO1j9g9P8GcCXiGVnnu67d4WrBDF0ywmaxv6g3IogA9o3xRGyVw76LJA+TM9 nriXuOYt/6FlPzTAukbh8jhbrXB3hWR81nOUE= 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=UNwOu0JQdghZdbrwpsIZIniL3vdYejfFHf+WUce3AVI=; b=jIa8nBRGZ8301/1Ft5rJfAYp+/2YwqooBKTUbKWwYAlK+ugCcSyUS/y28YXAB22/Tp 6twDUw4IyQ1OVGb479mgOeLR1ng+/7C4naf16y7OchW7K88eUf51+E4iA95YGd6/IV0o mSBYeTNc4Xv2z3Ar2v0OGhm0P/c8v9gqddmGzszc0d98CdzaY/9+zwjBHqtkpDExwB19 fsaotmxAVYuPzrkrHJ9HGnMTykPDZL+WWl5SXeLWi101MCxygOWb6H14Gg1nPKW7s5E8 q52I1Ft2GIvRn8Xn/vs3z1x4iPs2cTl0sdjqE890Tn3uWnmHDiPvjb4fEGXRDrN3lE3K HOgw== X-Gm-Message-State: AA6/9Rl3nUMoosECcEu/m0I6zvE/qa1pHUXWtj68DsNpjM/9rMFg7j7tq8CNT4ulxL+jJuPo X-Received: by 10.98.50.1 with SMTP id y1mr31181962pfy.62.1475879839939; Fri, 07 Oct 2016 15:37:19 -0700 (PDT) Received: from ubuntu.localdomain (i-global254.qualcomm.com. [199.106.103.254]) by smtp.gmail.com with ESMTPSA id 4sm16409203pfw.90.2016.10.07.15.37.17 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 07 Oct 2016 15:37:19 -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 v2 5/8] dt/bindings: Update binding for PM domain idle states Date: Fri, 7 Oct 2016 15:36:58 -0700 Message-Id: <1475879821-8035-6-git-send-email-lina.iyer@linaro.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1475879821-8035-1-git-send-email-lina.iyer@linaro.org> References: <1475879821-8035-1-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 | 38 ++++++++++++++++++++++ 1 file changed, 38 insertions(+) diff --git a/Documentation/devicetree/bindings/power/power_domain.txt b/Documentation/devicetree/bindings/power/power_domain.txt index 025b5e7..7f8f27e 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 +63,38 @@ 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 = <0>; + 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 = <0>; + domain-idle-states = <&DOMAIN_PWR_DN>; + }; + + DOMAIN_RET: state@0 { + compatible = "arm,idle-state"; + reg = <0x0>; + entry-latency-us = <1000>; + exit-latency-us = <2000>; + min-residency-us = <10000>; + }; + + DOMAIN_PWR_DN: state@1 { + compatible = "arm,idle-state"; + reg = <0x1>; + entry-latency-us = <5000>; + exit-latency-us = <8000>; + min-residency-us = <7000>; + }; + ==PM domain consumers== Required properties: @@ -76,3 +112,5 @@ 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