[PATCH v4 1/8] dt-bindings: msm/dsi: Add ref clock for PHYs

[Matthias Kaehlcke]

Allow the PHY drivers to get the ref clock from the DT.

Signed-off-by: Matthias Kaehlcke <mka@xxxxxxxxxxxx>
Reviewed-by: Stephen Boyd <swboyd@xxxxxxxxxxxx>
Reviewed-by: Douglas Anderson <dianders@xxxxxxxxxxxx>
---
Chnages in v4:
- added "Reviewed-by" tags from Stephen and Doug

Changes in v3:
- added note that the ref clock is only required for new DTS
  files/entries

Changes in v2:
- add the ref clock for all PHYs, not only the 10nm one
- updated commit message
---
 Documentation/devicetree/bindings/display/msm/dsi.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/display/msm/dsi.txt b/Documentation/devicetree/bindings/display/msm/dsi.txt
index dfc743219bd88..9ae9469427207 100644
--- a/Documentation/devicetree/bindings/display/msm/dsi.txt
+++ b/Documentation/devicetree/bindings/display/msm/dsi.txt
@@ -106,6 +106,7 @@ Required properties:
 - clocks: Phandles to device clocks. See [1] for details on clock bindings.
 - clock-names: the following clocks are required:
   * "iface"
+  * "ref" (only required for new DTS files/entries)
   For 28nm HPM/LP, 28nm 8960 PHYs:
 - vddio-supply: phandle to vdd-io regulator device node
   For 20nm PHY:
-- 
2.20.0.rc1.387.gf8505762e3-goog