[PATCH v1 1/2] dt-bindings: display: bridge: cdns: Add properties to support StarFive JH7110 SoC

From: Shengyang Chen
Date: Mon Nov 27 2023 - 06:34:56 EST


From: Keith Zhao <keith.zhao@xxxxxxxxxxxxxxxx>

Add properties in CDNS DSI yaml file to match with
CDNS DSI module in StarFive JH7110 SoC.

Signed-off-by: Keith Zhao <keith.zhao@xxxxxxxxxxxxxxxx>
---
.../bindings/display/bridge/cdns,dsi.yaml | 38 ++++++++++++++++++-
1 file changed, 36 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/display/bridge/cdns,dsi.yaml b/Documentation/devicetree/bindings/display/bridge/cdns,dsi.yaml
index 23060324d16e..3f02ee383aad 100644
--- a/Documentation/devicetree/bindings/display/bridge/cdns,dsi.yaml
+++ b/Documentation/devicetree/bindings/display/bridge/cdns,dsi.yaml
@@ -17,6 +17,7 @@ properties:
enum:
- cdns,dsi
- ti,j721e-dsi
+ - starfive,cdns-dsi

reg:
minItems: 1
@@ -27,14 +28,20 @@ properties:
Register block for wrapper settings registers in case of TI J7 SoCs.

clocks:
+ minItems: 2
items:
- description: PSM clock, used by the IP
- description: sys clock, used by the IP
+ - description: apb clock, used by the IP
+ - description: txesc clock, used by the IP

clock-names:
+ minItems: 2
items:
- const: dsi_p_clk
- const: dsi_sys_clk
+ - const: apb
+ - const: txesc

phys:
maxItems: 1
@@ -46,10 +53,21 @@ properties:
maxItems: 1

resets:
- maxItems: 1
+ minItems: 1
+ items:
+ - description: dsi sys reset line
+ - description: dsi dpi reset line
+ - description: dsi apb reset line
+ - description: dsi txesc reset line
+ - description: dsi txbytehs reset line

reset-names:
- const: dsi_p_rst
+ items:
+ - const: dsi_p_rst
+ - const: dsi_dpi
+ - const: dsi_apb
+ - const: dsi_txesc
+ - const: dsi_txbytehs

ports:
$ref: /schemas/graph.yaml#/properties/ports
@@ -90,6 +108,22 @@ allOf:
reg:
maxItems: 1

+ - if:
+ properties:
+ compatible:
+ contains:
+ const: starfive,cdns-dsi
+ then:
+ properties:
+ clocks:
+ minItems: 4
+ maxItems: 4
+ resets:
+ minItems: 5
+ maxItems: 5
+ required:
+ - reset-names
+
required:
- compatible
- reg
--
2.17.1