linux-kernel - [PATCH 2/5] Documentation: mmc: sdhci-of-arasan: add power domain description

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Message-Id: <1469765703-30999-3-git-send-email-shawn.lin@rock-chips.com>
Date:	Fri, 29 Jul 2016 12:15:00 +0800
From:	Shawn Lin <shawn.lin@...k-chips.com>
To:	Heiko Stuebner <heiko@...ech.de>, Rob Herring <robh+dt@...nel.org>,
	Jaehoon Chung <jh80.chung@...sung.com>,
	Ulf Hansson <ulf.hansson@...aro.org>
Cc:	linux-mmc@...r.kernel.org, devicetree@...r.kernel.org,
	linux-rockchip@...ts.infradead.org,
	Douglas Anderson <dianders@...omium.org>,
	Brian Norris <briannorris@...omium.org>,
	Feng Xiao <xf@...k-chips.com>,
	Elaine Zhang <zhangqing@...k-chips.com>,
	linux-kernel@...r.kernel.org, Shawn Lin <shawn.lin@...k-chips.com>
Subject: [PATCH 2/5] Documentation: mmc: sdhci-of-arasan: add power domain description

This patch adds power domain as a optional property for sdhci-of-arasan.
We should handle the power domain if available as it's in off
state due to the policy of power-saving after booting up. Otherwise
controller can not be accessed.

Signed-off-by: Shawn Lin <shawn.lin@...k-chips.com>
---

 Documentation/devicetree/bindings/mmc/arasan,sdhci.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt b/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt
index 3404afa..b5fb563 100644
--- a/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt
+++ b/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt
@@ -36,6 +36,7 @@ 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: Must contain a reference to the PM domain, if available.
 
 Example:
 	sdhci@...00000 {
-- 
2.3.7