[PATCH v3 4/8] Documentation: ABI: Add aspeed-xdma sysfs documentation

Eddie James
2019-05-29T18:10:32Z

Document the pcidev sysfs attribute used by the aspeed-xdma driver.

Signed-off-by: Eddie James <eajames@linux.ibm.com>
---
Documentation/ABI/testing/sysfs-devices-platform-aspeed-xdma | 11 +++++++++++
1 file changed, 11 insertions(+)
create mode 100644 Documentation/ABI/testing/sysfs-devices-platform-aspeed-xdma

diff --git a/Documentation/ABI/testing/sysfs-devices-platform-aspeed-xdma b/Documentation/ABI/testing/sysfs-devices-platform-aspeed-xdma
new file mode 100644
index 0000000..27189bbd
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-devices-platform-aspeed-xdma
@@ -0,0 +1,11 @@
+What: /sys/bus/platform/devices/1e6e7000.xdma/pcidev
+Date: May 2019
+KernelVersion: 5.2
+Contact: Eddie James <eajames@linux.ibm.com>
+Description: When written, this file sets the PCI device that will be used
+ for DMA operations by the XDMA engine. When read, it provides
+ the current PCI device being used by the XDMA engine.
+ Valid values: vga or bmc.
+ Default vga, can be set by aspeed-xdma.pcidev= module
+ parameter.
+Users: aspeed-xdma driver
--
1.8.3.1