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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2019-03-12 09:46:32 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-03-12 09:46:32 -0700 |
| commit | f47d633134f7033e3d0c667419d9f8afd69e308d (patch) | |
| tree | a5242d86288599fda63ed79b2d131f5a298bb66f /Documentation | |
| parent | 004cc08675b761fd82288bab1b5ba5e1ca746eca (diff) | |
| parent | 2794449576a6024e203eca5cc2c1a3ae33102b8e (diff) | |
Merge tag 'tag-chrome-platform-for-v5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux
Pull chrome platform updates from Benson Leung:
- SPDX identifier cleanup for platform/chrome
- Cleanup series between mfd and chrome/platform, moving cros-ec
attributes from mfd/cros_ec_dev to sub-drivers in platform/chrome
- Wilco EC driver
- Maintainership change to new group repository
* tag 'tag-chrome-platform-for-v5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux:
platform/chrome: fix wilco-ec dependencies
platform/chrome: wilco_ec: Add RTC driver
platform/chrome: wilco_ec: Add support for raw commands in debugfs
platform/chrome: Add new driver for Wilco EC
platform/chrome: cros_ec: Remove cros_ec dependency in lpc_mec
MAINTAINERS: chrome-platform: change the git tree to a chrome-platform group git tree
platform/chrome: cros_ec_sysfs: remove pr_fmt() define
platform/chrome: cros_ec_lightbar: remove pr_fmt() define
platform/chrome: cros_kbd_led_backlight: switch to SPDX identifier
platform/chrome: cros_ec_spi: switch to SPDX identifier
platform/chrome: cros_ec_proto: switch to SPDX identifier
platform/chrome: cros_ec_lpc: switch to SPDX identifier
platform/chrome: cros_ec_i2c: switch to SPDX identifier
platform/chrome: cros_ec_vbc: switch to SPDX identifier
platform/chrome: cros_ec_sysfs: switch to SPDX identifier
platform/chrome: cros_ec_lightbar: switch to SPDX identifier
platform/chrome: cros_ec_debugfs: switch to SPDX identifier
platform/chrome: cromeos_pstore: switch to SPDX identifier
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/ABI/testing/debugfs-wilco-ec | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/debugfs-wilco-ec b/Documentation/ABI/testing/debugfs-wilco-ec new file mode 100644 index 000000000000..f814f112e213 --- /dev/null +++ b/Documentation/ABI/testing/debugfs-wilco-ec @@ -0,0 +1,23 @@ +What: /sys/kernel/debug/wilco_ec/raw +Date: January 2019 +KernelVersion: 5.1 +Description: + Write and read raw mailbox commands to the EC. + + For writing: + Bytes 0-1 indicate the message type: + 00 F0 = Execute Legacy Command + 00 F2 = Read/Write NVRAM Property + Byte 2 provides the command code + Bytes 3+ consist of the data passed in the request + + At least three bytes are required, for the msg type and command, + with additional bytes optional for additional data. + + Example: + // Request EC info type 3 (EC firmware build date) + $ echo 00 f0 38 00 03 00 > raw + // View the result. The decoded ASCII result "12/21/18" is + // included after the raw hex. + $ cat raw + 00 31 32 2f 32 31 2f 31 38 00 38 00 01 00 2f 00 .12/21/18.8... |