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authorYoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>2015-03-12 15:35:18 +0900
committerFelipe Balbi <balbi@ti.com>2015-03-13 10:41:08 -0500
commit7a96b78464bd8ba72c1c3095c543c1402db59e35 (patch)
tree4c86826f2309f4790c8db44dd3c926796284d82b /Documentation/devicetree/bindings/usb
parentfbdecad99c3f37346ed868fec0c3a9c2809f78e9 (diff)
downloadlinux-7a96b78464bd8ba72c1c3095c543c1402db59e35.tar.bz2
usb: renesas_usbhs: add the channel number in dma-names
To connect the channel of USB-DMAC to USBHS DnFIFO number, this patch adds this channel/FIFO number in dma-names. Otherwise, this driver needs to add analysis code for device tree. Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'Documentation/devicetree/bindings/usb')
-rw-r--r--Documentation/devicetree/bindings/usb/renesas_usbhs.txt5
1 files changed, 4 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/usb/renesas_usbhs.txt b/Documentation/devicetree/bindings/usb/renesas_usbhs.txt
index 61b045b6d50e..dc2a18f0b3a1 100644
--- a/Documentation/devicetree/bindings/usb/renesas_usbhs.txt
+++ b/Documentation/devicetree/bindings/usb/renesas_usbhs.txt
@@ -15,7 +15,10 @@ Optional properties:
- phys: phandle + phy specifier pair
- phy-names: must be "usb"
- dmas: Must contain a list of references to DMA specifiers.
- - dma-names : Must contain a list of DMA names, "tx" or "rx".
+ - dma-names : Must contain a list of DMA names:
+ - tx0 ... tx<n>
+ - rx0 ... rx<n>
+ - This <n> means DnFIFO in USBHS module.
Example:
usbhs: usb@e6590000 {