[PATCH] dt-bindings: drm: rcar-du: Document optional reset properties

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Document the optional properties for describing module resets, to
support resetting display channels and LVDS encoders on R-Car Gen2 and
Gen3.

Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
---
 Documentation/devicetree/bindings/display/renesas,du.txt | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/Documentation/devicetree/bindings/display/renesas,du.txt b/Documentation/devicetree/bindings/display/renesas,du.txt
index 1a02f099a0ff0a3a..7873d53764a297c2 100644
--- a/Documentation/devicetree/bindings/display/renesas,du.txt
+++ b/Documentation/devicetree/bindings/display/renesas,du.txt
@@ -36,6 +36,16 @@ Required Properties:
       When supplied they must be named "dclkin.x" with "x" being the input
       clock numerical index.
 
+Optional properties:
+  - resets: A list of phandles + reset-specifier pairs, one for each entry in
+    the reset-names property.
+  - reset-names: Names of the resets. This property is model-dependent.
+    - R8A779[0123456] use one reset for a group of one or more successive
+      channels, and one reset per LVDS encoder (if available). The resets
+      must be named "du.x" with "x" being the numerical index of the lowest
+      channel in the group. The LVDS resets must be named "lvds.x" with "x"
+      being the LVDS encoder numerical index.
+
 Required nodes:
 
 The connections to the DU output video ports are modeled using the OF graph
-- 
2.7.4




[Index of Archives]     [Linux Samsung SOC]     [Linux Wireless]     [Linux Kernel]     [ATH6KL]     [Linux Bluetooth]     [Linux Netdev]     [Kernel Newbies]     [IDE]     [Security]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Linux ATA RAID]     [Samba]     [Device Mapper]

  Powered by Linux