linux-kernel - [PATCH 1/5] Documentation: mmc: synopsys-dw-mshc: add power domain description

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Message-Id: <1469765703-30999-2-git-send-email-shawn.lin@rock-chips.com>
Date:	Fri, 29 Jul 2016 12:14:59 +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 1/5] Documentation: mmc: synopsys-dw-mshc: add power domain description

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

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

---

 Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt b/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt
index 8636f5a..f48febd 100644
--- a/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt
+++ b/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt
@@ -81,6 +81,8 @@ Optional properties:
 * dma-names: request names for generic DMA client binding. Must be "rx-tx".
   Refer to dma.txt for details.
 
+* power-domains: Must contain a reference to the PM domain, if available.
+
 Aliases:
 
 - All the MSHC controller nodes should be represented in the aliases node using
-- 
2.3.7