diff options
| author | Subhash Jadavani <subhashj@codeaurora.org> | 2016-04-19 16:21:16 -0700 |
|---|---|---|
| committer | Subhash Jadavani <subhashj@codeaurora.org> | 2016-05-19 18:35:30 -0700 |
| commit | 7cc9ec9f2a3a92def752ed31253fa0b89484b39f (patch) | |
| tree | 72c1db13a7ab37219484b8cb7e1b36d5fe67f4bf /Documentation | |
| parent | 84e6857d3d454a427b72a07476e4b7a5b9a1361b (diff) | |
Revert "mmc: core: Remove MMC_CLKGATE"
This reverts commit 9eadcc0581a8ccaf4c2378aa1c193fb164304f1d.
Clock gating is needed for Qualcomm Platforms hence reverting this
upstream patch.
Change-Id: I96ac0c1c7627e8e5c2d18782e2fc08608f0a7f91
Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/mmc/mmc-dev-attrs.txt | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/Documentation/mmc/mmc-dev-attrs.txt b/Documentation/mmc/mmc-dev-attrs.txt index caa555706f89..189bab09255a 100644 --- a/Documentation/mmc/mmc-dev-attrs.txt +++ b/Documentation/mmc/mmc-dev-attrs.txt @@ -72,3 +72,13 @@ Note on raw_rpmb_size_mult: "raw_rpmb_size_mult" is a mutliple of 128kB block. RPMB size in byte is calculated by using the following equation: RPMB partition size = 128kB x raw_rpmb_size_mult + +SD/MMC/SDIO Clock Gating Attribute +================================== + +Read and write access is provided to following attribute. +This attribute appears only if CONFIG_MMC_CLKGATE is enabled. + + clkgate_delay Tune the clock gating delay with desired value in milliseconds. + +echo <desired delay> > /sys/class/mmc_host/mmcX/clkgate_delay |