[PATCH 1/3] dt-bindings: display: rockchip: make reg-names mandatory for VOP2

[Sascha Hauer]

The VOP2 driver relies on reg-names properties, but these are not
documented. Add the missing documentation, make reg-names mandatory
and increase minItems to 2 as always both register spaces are needed.

Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
---
 .../bindings/display/rockchip/rockchip-vop2.yaml          | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/display/rockchip/rockchip-vop2.yaml b/Documentation/devicetree/bindings/display/rockchip/rockchip-vop2.yaml
index 655d9b327f7d3..7238cdec9eb8a 100644
--- a/Documentation/devicetree/bindings/display/rockchip/rockchip-vop2.yaml
+++ b/Documentation/devicetree/bindings/display/rockchip/rockchip-vop2.yaml
@@ -22,7 +22,7 @@ properties:
       - rockchip,rk3568-vop
 
   reg:
-    minItems: 1
+    minItems: 2
     items:
       - description:
           Must contain one entry corresponding to the base address and length
@@ -31,6 +31,11 @@ properties:
           Can optionally contain a second entry corresponding to
           the CRTC gamma LUT address.
 
+  reg-names:
+    items:
+      - const: vop
+      - const: gamma-lut
+
   interrupts:
     maxItems: 1
     description:
@@ -86,6 +91,7 @@ properties:
 required:
   - compatible
   - reg
+  - reg-names
   - interrupts
   - clocks
   - clock-names
-- 
2.30.2