[v4,4/8] Documentation: ABI: Add aspeed-xdma sysfs documentation
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Message ID 1562010839-1113-5-git-send-email-eajames@linux.ibm.com
State Needs Review / ACK
Headers show
Series
  • drivers/soc: Add Aspeed XDMA Engine Driver
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Commit Message

Eddie James July 1, 2019, 7:53 p.m. UTC
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

Patch
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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..6e22eeb
--- /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 bmc, can be set by aspeed-xdma.pcidev= module
+		parameter.
+Users:		aspeed-xdma driver