On 04/09/2025 23:01, Marek Vasut wrote:
This controller can have both bridges and panels connected to it. In
order to describe panels properly in DT, pull in dsi-controller.yaml
and disallow only unevaluatedProperties, because the panel node is
optional. Include example binding with panel.
Signed-off-by: Marek Vasut <marek.vasut+rene...@mailbox.org>
---
Cc: Conor Dooley <conor...@kernel.org>
Cc: David Airlie <airl...@gmail.com>
Cc: Geert Uytterhoeven <geert+rene...@glider.be>
Cc: Kieran Bingham <kieran.bingham+rene...@ideasonboard.com>
Cc: Krzysztof Kozlowski <krzk...@kernel.org>
Cc: Laurent Pinchart <laurent.pinchart+rene...@ideasonboard.com>
Cc: Neil Armstrong <neil.armstr...@linaro.org>
Cc: Rob Herring <r...@kernel.org>
Cc: Robert Foss <rf...@kernel.org>
Cc: Simona Vetter <sim...@ffwll.ch>
Cc: Thomas Zimmermann <tzimmerm...@suse.de>
Cc: Tomi Valkeinen <tomi.valkeinen+rene...@ideasonboard.com>
Cc: devicet...@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Cc: linux-renesas-...@vger.kernel.org
---
V2: Drop the dsi0: and dsi1: controller labels
---
.../display/bridge/renesas,dsi-csi2-tx.yaml | 53 ++++++++++++++++++-
1 file changed, 51 insertions(+), 2 deletions(-)
diff --git
a/Documentation/devicetree/bindings/display/bridge/renesas,dsi-csi2-tx.yaml
b/Documentation/devicetree/bindings/display/bridge/renesas,dsi-csi2-tx.yaml
index c167795c63f64..51d685ed82891 100644
--- a/Documentation/devicetree/bindings/display/bridge/renesas,dsi-csi2-tx.yaml
+++ b/Documentation/devicetree/bindings/display/bridge/renesas,dsi-csi2-tx.yaml
@@ -14,6 +14,9 @@ description: |
R-Car Gen4 SoCs. The encoder can operate in either DSI or CSI-2 mode, with
up
to four data lanes.
+allOf:
+ - $ref: /schemas/display/dsi-controller.yaml#
+
properties:
compatible:
enum:
@@ -80,14 +83,14 @@ required:
- resets
- ports
-additionalProperties: false
+unevaluatedProperties: false
examples:
- |
#include <dt-bindings/clock/r8a779a0-cpg-mssr.h>
#include <dt-bindings/power/r8a779a0-sysc.h>
- dsi0: dsi-encoder@fed80000 {
+ dsi@fed80000 {
compatible = "renesas,r8a779a0-dsi-csi2-tx";
reg = <0xfed80000 0x10000>;
power-domains = <&sysc R8A779A0_PD_ALWAYS_ON>;
@@ -117,4 +120,50 @@ examples:
};
};
};
+
+ - |
+ #include <dt-bindings/clock/r8a779g0-cpg-mssr.h>
+ #include <dt-bindings/power/r8a779g0-sysc.h>
+
+ dsi@fed80000 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "renesas,r8a779g0-dsi-csi2-tx";
+ reg = <0xfed80000 0x10000>;
+ clocks = <&cpg CPG_MOD 415>,
+ <&cpg CPG_CORE R8A779G0_CLK_DSIEXT>,
+ <&cpg CPG_CORE R8A779G0_CLK_DSIREF>;
+ clock-names = "fck", "dsi", "pll";
+ power-domains = <&sysc R8A779G0_PD_ALWAYS_ON>;
+ resets = <&cpg 415>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ };
+
+ port@1 {
+ reg = <1>;
+
+ dsi0port1_out: endpoint {
+ remote-endpoint = <&panel_in>;
+ data-lanes = <1 2>;
+ };
+ };
+ };
+
+ panel@0 {
+ reg = <0>;
+ compatible = "raspberrypi,dsi-7inch";
+
+ port {
+ panel_in: endpoint {
+ remote-endpoint = <&dsi0port1_out>;
+ };
+ };
+ };
+ };
...
Reviewed-by: Neil Armstrong <neil.armstr...@linaro.org>
