The LVDS1 encoder must supply a pixel clock to the DU for the DPAD
output when the LVDS0 encoder is used. Enable it despite its output not
being connected.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>
---
Changes since v1:
- Add a comment in the DT to explain why the LVDS1 encoder needs to be
enabled.
---
arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts b/arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts
index 62bdddcbbae7..800a537bbbe0 100644
--- a/arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts
+++ b/arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts
@@ -443,6 +443,13 @@
};
&lvds1 {
+ /*
+ * Even though the LVDS1 output is not connected, the encoder must be
+ * enabled to supply a pixel clock to the DU for the DPAD output when
+ * LVDS0 is in use.
+ */
+ status = "okay";
+
clocks = <&cpg CPG_MOD 727>,
<&x13_clk>,
<&extal_clk>;
--
Regards,
Laurent Pinchart
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