diff options
Diffstat (limited to 'Documentation/ABI/testing')
| -rw-r--r-- | Documentation/ABI/testing/debugfs-wilco-ec | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/debugfs-wilco-ec b/Documentation/ABI/testing/debugfs-wilco-ec index 7ff6b45be703..73a5a66ddca6 100644 --- a/Documentation/ABI/testing/debugfs-wilco-ec +++ b/Documentation/ABI/testing/debugfs-wilco-ec @@ -1,3 +1,16 @@ +What: /sys/kernel/debug/wilco_ec/h1_gpio +Date: April 2019 +KernelVersion: 5.2 +Description: + As part of Chrome OS's FAFT (Fully Automated Firmware Testing) + tests, we need to ensure that the H1 chip is properly setting + some GPIO lines. The h1_gpio attribute exposes the state + of the lines: + - ENTRY_TO_FACT_MODE in BIT(0) + - SPI_CHROME_SEL in BIT(1) + + Output will formatted with "0x%02x\n". + What: /sys/kernel/debug/wilco_ec/raw Date: January 2019 KernelVersion: 5.1 |