[Freedreno] [RESEND, v4, 2/7] dt-bindings: msm/mdp5: Document optional TBU and TBU_RT clocks

[kholk11 at gmail.com]

From: AngeloGioacchino Del Regno <kholk11 at gmail.com>

These two clocks aren't present in all versions of the MDP5 HW:
where present, they are needed to enable the Translation Buffer
Unit(s).

Signed-off-by: AngeloGioacchino Del Regno <kholk11 at gmail.com>
Acked-by: Rob Herring <robh at kernel.org>
---
 Documentation/devicetree/bindings/display/msm/mdp5.txt | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/display/msm/mdp5.txt b/Documentation/devicetree/bindings/display/msm/mdp5.txt
index 4e11338548aa..43d11279c925 100644
--- a/Documentation/devicetree/bindings/display/msm/mdp5.txt
+++ b/Documentation/devicetree/bindings/display/msm/mdp5.txt
@@ -76,6 +76,8 @@ Required properties:
 Optional properties:
 - clock-names: the following clocks are optional:
   * "lut"
+  * "tbu"
+  * "tbu_rt"
 
 Example:
 
-- 
2.21.0