linux-kernel - [RFC PATCH 1/4] Documentation: mmc: add mmc-sleep-awake

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Date:   Mon, 20 Feb 2017 13:33:09 +0530
From:   Ritesh Harjani <riteshh@...eaurora.org>
To:     ulf.hansson@...aro.org, linux-mmc@...r.kernel.org,
        adrian.hunter@...el.com
Cc:     shawn.lin@...k-chips.com, devicetree@...r.kernel.org,
        andy.gross@...aro.org, linux-arm-msm@...r.kernel.org,
        georgi.djakov@...aro.org, alex.lemberg@...disk.com,
        mateusz.nowak@...el.com, Yuliy.Izrailov@...disk.com,
        asutoshd@...eaurora.org, david.griego@...aro.org,
        stummala@...eaurora.org, venkatg@...eaurora.org,
        pramod.gurav@...aro.org, jeremymc@...hat.com,
        linux-kernel@...r.kernel.org,
        Ritesh Harjani <riteshh@...eaurora.org>
Subject: [RFC PATCH 1/4] Documentation: mmc: add mmc-sleep-awake

mmc-sleep-awake enables CMD5 awake feature
& partial_init which can help reduce resume
latency on emmc.

Signed-off-by: Ritesh Harjani <riteshh@...eaurora.org>
---
 Documentation/devicetree/bindings/mmc/mmc.txt | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/mmc/mmc.txt b/Documentation/devicetree/bindings/mmc/mmc.txt
index c7f4a0e..b0df54c 100644
--- a/Documentation/devicetree/bindings/mmc/mmc.txt
+++ b/Documentation/devicetree/bindings/mmc/mmc.txt
@@ -53,6 +53,8 @@ Optional properties:
 - no-sdio: controller is limited to send sdio cmd during initialization
 - no-sd: controller is limited to send sd cmd during initialization
 - no-mmc: controller is limited to send mmc cmd during initialization
+- mmc-sleep-awake: eMMC to support awake by CMD5 partial init to reduce resume
+  latency.
 
 *NOTE* on CD and WP polarity. To use common for all SD/MMC host controllers line
 polarity properties, we have to fix the meaning of the "normal" and "inverted"
-- 
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a Linux Foundation Collaborative Project.