From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754081AbcH0NsS (ORCPT ); Sat, 27 Aug 2016 09:48:18 -0400 Received: from regular1.263xmail.com ([211.150.99.141]:48990 "EHLO regular1.263xmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751140AbcH0NsR (ORCPT ); Sat, 27 Aug 2016 09:48:17 -0400 X-Greylist: delayed 394 seconds by postgrey-1.27 at vger.kernel.org; Sat, 27 Aug 2016 09:48:16 EDT X-263anti-spam: KSV:0; X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-KSVirus-check: 0 X-ABS-CHECKED: 4 X-ADDR-CHECKED: 0 X-RL-SENDER: xzy.xu@rock-chips.com X-FST-TO: ulf.hansson@linaro.org X-SENDER-IP: 103.29.142.67 X-LOGIN-NAME: xzy.xu@rock-chips.com X-UNIQUE-TAG: <93991078a60af9d07d79872377cab69b> X-ATTACHMENT-NUM: 0 X-DNS-TYPE: 0 From: Ziyuan Xu To: ulf.hansson@linaro.org, robh+dt@kernel.org, heiko@sntech.de Cc: linux-rockchip@lists.infradead.org, Ziyuan Xu , devicetree@vger.kernel.org, linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, Mark Rutland Subject: [PATCH 1/2] Documentation: mmc: sdhci-of-arasan: add description of power domain Date: Sat, 27 Aug 2016 21:41:02 +0800 Message-Id: <20160827134103.28160-2-xzy.xu@rock-chips.com> X-Mailer: git-send-email 2.9.2 In-Reply-To: <20160827134103.28160-1-xzy.xu@rock-chips.com> References: <20160827134103.28160-1-xzy.xu@rock-chips.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 + of the power controller specified by phandle. Example: sdhci@e0100000 { -- 2.9.2