From 76cb841cb886eef6b3bee341a2266c76578724ad Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 6 May 2024 03:02:30 +0200 Subject: Adding upstream version 4.19.249. Signed-off-by: Daniel Baumann --- .../ABI/testing/sysfs-platform-i2c-demux-pinctrl | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-platform-i2c-demux-pinctrl (limited to 'Documentation/ABI/testing/sysfs-platform-i2c-demux-pinctrl') diff --git a/Documentation/ABI/testing/sysfs-platform-i2c-demux-pinctrl b/Documentation/ABI/testing/sysfs-platform-i2c-demux-pinctrl new file mode 100644 index 000000000..3c3514815 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-platform-i2c-demux-pinctrl @@ -0,0 +1,18 @@ +What: /sys/devices/platform//available_masters +Date: January 2016 +KernelVersion: 4.6 +Contact: Wolfram Sang +Description: + Reading the file will give you a list of masters which can be + selected for a demultiplexed bus. The format is + ":". Example from a Renesas Lager board: + + 0:/i2c@e6500000 1:/i2c@e6508000 + +What: /sys/devices/platform//current_master +Date: January 2016 +KernelVersion: 4.6 +Contact: Wolfram Sang +Description: + This file selects/shows the active I2C master for a demultiplexed + bus. It uses the value from the file 'available_masters'. -- cgit v1.2.3