From patchwork Thu Sep 25 16:28:29 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Geert Uytterhoeven X-Patchwork-Id: 393397 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 2BB5C1400B5 for ; Fri, 26 Sep 2014 02:32:31 +1000 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754068AbaIYQbm (ORCPT ); Thu, 25 Sep 2014 12:31:42 -0400 Received: from xavier.telenet-ops.be ([195.130.132.52]:53768 "EHLO xavier.telenet-ops.be" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753636AbaIYQ2x (ORCPT ); Thu, 25 Sep 2014 12:28:53 -0400 Received: from ayla.of.borg ([84.193.84.167]) by xavier.telenet-ops.be with bizsmtp id vUUn1o00v3cczKo01UUnR9; Thu, 25 Sep 2014 18:28:52 +0200 Received: from ramsan.of.borg ([192.168.97.29] helo=ramsan) by ayla.of.borg with esmtp (Exim 4.76) (envelope-from ) id 1XXBuR-0003Xq-42; Thu, 25 Sep 2014 18:28:47 +0200 Received: from geert by ramsan with local (Exim 4.82) (envelope-from ) id 1XXBuR-0005wb-Ve; Thu, 25 Sep 2014 18:28:47 +0200 From: Geert Uytterhoeven To: "Rafael J. Wysocki" , Simon Horman , Magnus Damm Cc: Ulf Hansson , Tomasz Figa , Philipp Zabel , Grygorii Strashko , Kevin Hilman , linux-sh@vger.kernel.org, linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Geert Uytterhoeven Subject: [PATCH v3 02/13] PM / Domains: Add DT bindings for power-on/off latencies Date: Thu, 25 Sep 2014 18:28:29 +0200 Message-Id: <1411662520-22795-3-git-send-email-geert+renesas@glider.be> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1411662520-22795-1-git-send-email-geert+renesas@glider.be> References: <1411662520-22795-1-git-send-email-geert+renesas@glider.be> Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org PM domain power on/off-latencies are properties of the hardware. In legacy code, they're specified from platform code. On DT platforms, their values should come from DT. Signed-off-by: Geert Uytterhoeven Acked-by: Kevin Hilman Reviewed-by: Ulf Hansson --- v3: - No changes v2: - Add Acked-by Documentation/devicetree/bindings/power/power_domain.txt | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/power/power_domain.txt b/Documentation/devicetree/bindings/power/power_domain.txt index 98c16672ab5f49e0..7bc421d84367d636 100644 --- a/Documentation/devicetree/bindings/power/power_domain.txt +++ b/Documentation/devicetree/bindings/power/power_domain.txt @@ -19,12 +19,18 @@ Required properties: providing multiple PM domains (e.g. power controllers), but can be any value as specified by device tree binding documentation of particular provider. +Optional properties: + - power-on-latency: Power-on latency of the PM domain, in ns, + - power-off-latency: Power-off latency of the PM domain, in ns. + Example: power: power-controller@12340000 { compatible = "foo,power-controller"; reg = <0x12340000 0x1000>; #power-domain-cells = <1>; + power-on-latency = <250000>; + power-off-latency = <250000>; }; The node above defines a power controller that is a PM domain provider and