From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932196AbcH0Ouz (ORCPT ); Sat, 27 Aug 2016 10:50:55 -0400 Received: from lucky1.263xmail.com ([211.157.147.134]:56645 "EHLO lucky1.263xmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752054AbcH0Oux (ORCPT ); Sat, 27 Aug 2016 10:50:53 -0400 X-263anti-spam: KSV:0; X-MAIL-GRAY: 1 X-MAIL-DELIVERY: 0 X-KSVirus-check: 0 X-ABS-CHECKED: 4 X-ADDR-CHECKED: 0 X-RL-SENDER: shawn.lin@rock-chips.com X-FST-TO: mark.rutland@arm.com X-SENDER-IP: 220.200.59.42 X-LOGIN-NAME: shawn.lin@rock-chips.com X-UNIQUE-TAG: X-ATTACHMENT-NUM: 0 X-DNS-TYPE: 0 Subject: Re: [PATCH 1/2] Documentation: mmc: sdhci-of-arasan: add description of power domain To: Ziyuan Xu , ulf.hansson@linaro.org, robh+dt@kernel.org, heiko@sntech.de References: <20160827134103.28160-1-xzy.xu@rock-chips.com> <20160827134103.28160-2-xzy.xu@rock-chips.com> Cc: shawn.lin@rock-chips.com, linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org, linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, Mark Rutland From: Shawn Lin Message-ID: <40f46bd6-22d2-f008-602a-47200340f733@rock-chips.com> Date: Sat, 27 Aug 2016 22:50:33 +0800 User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.2.0 MIME-Version: 1.0 In-Reply-To: <20160827134103.28160-2-xzy.xu@rock-chips.com> Content-Type: text/plain; charset=gbk; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2016/8/27 21:41, Ziyuan Xu wrote: > Add power domain as a optional property for sdhci-of-arasan, which can > be truned off in the so-called unused condition, such as suspend and > remove. Aim to lower power requirements. > > Signed-off-by: Ziyuan Xu > > --- > > Documentation/devicetree/bindings/mmc/arasan,sdhci.txt | 6 +++++- > 1 file changed, 5 insertions(+), 1 deletion(-) > > diff --git a/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt b/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt > index 3404afa..3f5189c 100644 > --- a/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt > +++ b/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt > @@ -1,12 +1,14 @@ > Device Tree Bindings for the Arasan SDHCI Controller > > - The bindings follow the mmc[1], clock[2], interrupt[3] and phy[4] bindings. > + The bindings follow the mmc[1], clock[2], interrupt[3], phy[4] and power > + domain[5] bindings. > Only deviations are documented here. > > [1] Documentation/devicetree/bindings/mmc/mmc.txt > [2] Documentation/devicetree/bindings/clock/clock-bindings.txt > [3] Documentation/devicetree/bindings/interrupt-controller/interrupts.txt > [4] Documentation/devicetree/bindings/phy/phy-bindings.txt > + [5] Documentation/devicetree/bindings/power/power_domain.txt > > Required Properties: > - compatible: Compatibility string. One of: > @@ -36,6 +38,8 @@ Optional Properties: > - #clock-cells: If specified this should be the value <0>. With this property > in place we will export a clock representing the Card Clock. This clock > is expected to be consumed by our PHY. You must also specify > + - power-domains: A phandle of and PM domain as specifier defined by bindings A phandle of what? > + of the power controller specified by phandle. > > Example: > sdhci@e0100000 { It would be nice to add the example code. > -- Best Regards Shawn Lin