diff mbox series

[1/2] dt-bindings: usb: ehci: Add clocks description for R-Car Gen3

Message ID 1536578148-27656-2-git-send-email-yoshihiro.shimoda.uh@renesas.com (mailing list archive)
State Accepted
Delegated to: Geert Uytterhoeven
Headers show
Series dt-bindings: usb: [eo]hci: Add clocks description for R-Car Gen3 | expand

Commit Message

Yoshihiro Shimoda Sept. 10, 2018, 11:15 a.m. UTC 
This patch adds detailed information of an optional property "clocks"
description for R-Car Gen3.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
---
 Documentation/devicetree/bindings/usb/usb-ehci.txt | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

Comments

Simon Horman Sept. 11, 2018, 1:34 p.m. UTC | #1 
On Mon, Sep 10, 2018 at 08:15:47PM +0900, Yoshihiro Shimoda wrote:
> This patch adds detailed information of an optional property "clocks"
> description for R-Car Gen3.
> 
> Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>

Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/usb/usb-ehci.txt b/Documentation/devicetree/bindings/usb/usb-ehci.txt
index 0f1b753..406252d 100644
--- a/Documentation/devicetree/bindings/usb/usb-ehci.txt
+++ b/Documentation/devicetree/bindings/usb/usb-ehci.txt
@@ -15,7 +15,11 @@  Optional properties:
  - needs-reset-on-resume : boolean, set this to force EHCI reset after resume
  - has-transaction-translator : boolean, set this if EHCI have a Transaction
 				Translator built into the root hub.
- - clocks : a list of phandle + clock specifier pairs
+ - clocks : a list of phandle + clock specifier pairs. In case of Renesas
+	    R-Car Gen3 SoCs:
+	    - if a host only channel: first clock should be host.
+	    - if a USB DRD channel: first clock should be host and second one
+				    should be peripheral.
  - phys : see usb-hcd.txt in the current directory
  - resets : phandle + reset specifier pair