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ARM: dts: omap: fix OF graph in omap3-devkit8000

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omap3-devkit8000-common.dtsi defines a graph connection for DVI, but
then omap3-devkit8000-lcd-common.dtsi overrides that with a graph
connection for the LCD as the same output signals are used. This
leaves an incomplete graph as the TFP410 output has only half a
connection. The result is the following warning:

arch/arm/boot/dts/omap3-devkit8000-lcd70.dtb: Warning (graph_endpoint):
/encoder0/ports/port@0/endpoint: graph connection to node
'/ocp@68000000/dss@48050000/port/endpoint' is not bidirectional

Fix this by defining multiple endpoints which is the correct way to show
a 1 to many connection.

Cc: "Benoît Cousson" <bcousson@baylibre.com>
Cc: Tony Lindgren <tony@atomide.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Rob Herring 2018-05-08 08:59:29 -05:00 committed by Tony Lindgren
parent 60cc43fc88
commit 0e6a73b1e6
2 changed files with 12 additions and 2 deletions
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9
arch/arm/boot/dts/omap3-devkit8000-common.dtsi
View File

@ -349,10 +349,17 @@ &dss {
vdda_dac-supply = <&vdac>; vdda_dac-supply = <&vdac>;
port { port {
dpi_dvi_out: endpoint { #address-cells = <1>;
#size-cells = <0>;
dpi_dvi_out: endpoint@0 {
reg = <0>;
remote-endpoint = <&tfp410_in>; remote-endpoint = <&tfp410_in>;
data-lines = <24>; data-lines = <24>;
}; };
endpoint@1 {
reg = <1>;
};
}; };
}; };

5
arch/arm/boot/dts/omap3-devkit8000-lcd-common.dtsi
View File

@ -30,7 +30,10 @@ lcd_in: endpoint {
&dss { &dss {
port { port {
dpi_lcd_out: endpoint { #address-cells = <1>;
#size-cells = <0>;
dpi_lcd_out: endpoint@1 {
reg = <1>;
remote-endpoint = <&lcd_in>; remote-endpoint = <&lcd_in>;
data-lines = <24>; data-lines = <24>;
}; };