Re: [RFC PATCH 1/4] Documentation: mmc: add mmc-sleep-awake
From: Rob Herring <robh@kernel.org>
Date: 2017-02-27 19:13:25
Also in:
linux-arm-msm, linux-mmc, lkml
On Mon, Feb 20, 2017 at 01:33:09PM +0530, Ritesh Harjani wrote:
quoted hunk ↗ jump to hunk
mmc-sleep-awake enables CMD5 awake feature & partial_init which can help reduce resume latency on emmc. Signed-off-by: Ritesh Harjani <redacted> --- 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.
This is a feature of the controller or card? If a card, this should be in a card node probably. Is there a better name that matches the h/w feature? Rob
*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. -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html