[PATCH 7/8] Documentation: Add debugfs doc for hisi_dma

[Jie Hai]

Add debugfs descriptions for HiSilicon DMA driver.

Signed-off-by: Jie Hai <haijie1@xxxxxxxxxx>
---
 Documentation/ABI/testing/debugfs-hisi-dma | 9 +++++++++
 1 file changed, 9 insertions(+)
 create mode 100644 Documentation/ABI/testing/debugfs-hisi-dma

diff --git a/Documentation/ABI/testing/debugfs-hisi-dma b/Documentation/ABI/testing/debugfs-hisi-dma
new file mode 100644
index 000000000000..162c97945748
--- /dev/null
+++ b/Documentation/ABI/testing/debugfs-hisi-dma
@@ -0,0 +1,9 @@
+What:           /sys/kernel/debug/hisi_dma/<bdf>/regs
+Date:           Mar 2022
+Contact:        dmaengine@xxxxxxxxxxxxxxx
+Description:    Dump the debug registers from the hisi dma.
+
+What:           /sys/kernel/debug/hisi_dma/<bdf>/channel[id]/regs
+Date:           Mar 2022
+Contact:        dmaengine@xxxxxxxxxxxxxxx
+Description:    Dump the channel related debug registers from the hisi dma.
-- 
2.33.0