From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754114AbaIHNgj (ORCPT ); Mon, 8 Sep 2014 09:36:39 -0400 Received: from xavier.telenet-ops.be ([195.130.132.52]:58873 "EHLO xavier.telenet-ops.be" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753811AbaIHNgA (ORCPT ); Mon, 8 Sep 2014 09:36:00 -0400 From: Geert Uytterhoeven To: "Rafael J. Wysocki" , Len Brown , Pavel Machek , Simon Horman , Magnus Damm , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala Cc: Ulf Hansson , Tomasz Figa , Philipp Zabel , linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-sh@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Geert Uytterhoeven Subject: [PATCH/RFC 1/5] PM / Domains: Add DT bindings for power-on/off latencies Date: Mon, 8 Sep 2014 15:35:40 +0200 Message-Id: <1410183344-14756-2-git-send-email-geert+renesas@glider.be> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1410183344-14756-1-git-send-email-geert+renesas@glider.be> References: <1410183344-14756-1-git-send-email-geert+renesas@glider.be> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@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 --- 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 98c16672ab5f..7bc421d84367 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 -- 1.9.1