From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ritesh Harjani Subject: [RFC PATCH 1/4] Documentation: mmc: add mmc-sleep-awake Date: Mon, 20 Feb 2017 13:33:09 +0530 Message-ID: <1487577792-12510-2-git-send-email-riteshh@codeaurora.org> References: <1487577792-12510-1-git-send-email-riteshh@codeaurora.org> Return-path: In-Reply-To: <1487577792-12510-1-git-send-email-riteshh@codeaurora.org> Sender: linux-kernel-owner@vger.kernel.org To: ulf.hansson@linaro.org, linux-mmc@vger.kernel.org, adrian.hunter@intel.com Cc: shawn.lin@rock-chips.com, devicetree@vger.kernel.org, andy.gross@linaro.org, linux-arm-msm@vger.kernel.org, georgi.djakov@linaro.org, alex.lemberg@sandisk.com, mateusz.nowak@intel.com, Yuliy.Izrailov@sandisk.com, asutoshd@codeaurora.org, david.griego@linaro.org, stummala@codeaurora.org, venkatg@codeaurora.org, pramod.gurav@linaro.org, jeremymc@redhat.com, linux-kernel@vger.kernel.org, Ritesh Harjani List-Id: devicetree@vger.kernel.org mmc-sleep-awake enables CMD5 awake feature & partial_init which can help reduce resume latency on emmc. Signed-off-by: Ritesh Harjani --- 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" -- The Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project.