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| author |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-04-11 09:30:50 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-04-11 09:30:50 -0700 |
| commit | 5f47992491ffe2d5b2b4ea3556bc0f3c0ec9bc8b (patch) | |
| tree | f43f81ab67d152c148bd3dfc1a0683d2c8306014 /Documentation/ABI | |
| parent | staging: vme: fix bare use of 'unsigned' (diff) | |
| parent | Linux 4.6-rc3 (diff) | |
| download | linux-dev-5f47992491ffe2d5b2b4ea3556bc0f3c0ec9bc8b.tar.xz linux-dev-5f47992491ffe2d5b2b4ea3556bc0f3c0ec9bc8b.zip | |
Merge 4.6-rc3 into staging-next
This resolves a lot of merge issues with PAGE_CACHE_* changes, and an
iio driver merge issue.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation/ABI')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-platform-i2c-demux-pinctrl | 29 |
1 files changed, 12 insertions, 17 deletions
diff --git a/Documentation/ABI/testing/sysfs-platform-i2c-demux-pinctrl b/Documentation/ABI/testing/sysfs-platform-i2c-demux-pinctrl index 7ac7d7262bb7..3c3514815cd5 100644 --- a/Documentation/ABI/testing/sysfs-platform-i2c-demux-pinctrl +++ b/Documentation/ABI/testing/sysfs-platform-i2c-demux-pinctrl @@ -1,23 +1,18 @@ -What: /sys/devices/platform/<i2c-demux-name>/cur_master +What: /sys/devices/platform/<i2c-demux-name>/available_masters Date: January 2016 KernelVersion: 4.6 Contact: Wolfram Sang <wsa@the-dreams.de> Description: + Reading the file will give you a list of masters which can be + selected for a demultiplexed bus. The format is + "<index>:<name>". Example from a Renesas Lager board: -This file selects the active I2C master for a demultiplexed bus. + 0:/i2c@e6500000 1:/i2c@e6508000 -Write 0 there for the first master, 1 for the second etc. Reading the file will -give you a list with the active master marked. Example from a Renesas Lager -board: - -root@Lager:~# cat /sys/devices/platform/i2c@8/cur_master -* 0 - /i2c@9 - 1 - /i2c@e6520000 - 2 - /i2c@e6530000 - -root@Lager:~# echo 2 > /sys/devices/platform/i2c@8/cur_master - -root@Lager:~# cat /sys/devices/platform/i2c@8/cur_master - 0 - /i2c@9 - 1 - /i2c@e6520000 -* 2 - /i2c@e6530000 +What: /sys/devices/platform/<i2c-demux-name>/current_master +Date: January 2016 +KernelVersion: 4.6 +Contact: Wolfram Sang <wsa@the-dreams.de> +Description: + This file selects/shows the active I2C master for a demultiplexed + bus. It uses the <index> value from the file 'available_masters'. |