[PATCH v3 8/8] [HACK] arm64: dts: renesas: draak: Enable LVDS dual-link operation
From: Fabrizio Castro <hidden>
Date: 2019-08-28 18:37:31
Also in:
linux-renesas-soc, lkml
Subsystem:
arm/risc-v/renesas architecture, the rest · Maintainers:
Geert Uytterhoeven, Magnus Damm, Linus Torvalds
Enable and connect the second LVDS encoder to the second LVDS input of the THC63LVD1024 for dual-link LVDS operation. This requires changing the default settings of SW45 and SW47 to OFF and ON respectively. This patch is based on Laurent's dual-LVDS work: https://patchwork.kernel.org/patch/10965045/ Signed-off-by: Fabrizio Castro <redacted> --- v2->v3: * new patch Geert, no need to review this patch unless they like the idea behind this series. Thanks, Fab --- arch/arm64/boot/dts/renesas/r8a77995-draak.dts | 26 +++++++++++++++++++------- 1 file changed, 19 insertions(+), 7 deletions(-)
diff --git a/arch/arm64/boot/dts/renesas/r8a77995-draak.dts b/arch/arm64/boot/dts/renesas/r8a77995-draak.dts
index 67634cb..b4b8cde 100644
--- a/arch/arm64/boot/dts/renesas/r8a77995-draak.dts
+++ b/arch/arm64/boot/dts/renesas/r8a77995-draak.dts@@ -77,11 +77,20 @@ port@0 { reg = <0>; - thc63lvd1024_in: endpoint { + dual-lvds-even-pixels; + thc63lvd1024_in0: endpoint { remote-endpoint = <&lvds0_out>; }; }; + port@1 { + reg = <1>; + dual-lvds-odd-pixels; + thc63lvd1024_in1: endpoint { + remote-endpoint = <&lvds1_out>; + }; + }; + port@2 { reg = <2>; thc63lvd1024_out: endpoint {
@@ -368,24 +377,27 @@ ports { port@1 { lvds0_out: endpoint { - remote-endpoint = <&thc63lvd1024_in>; + remote-endpoint = <&thc63lvd1024_in0>; }; }; }; }; &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>, <&x12_clk>, <&extal_clk>; clock-names = "fck", "dclkin.0", "extal"; + + ports { + port@1 { + lvds1_out: endpoint { + remote-endpoint = <&thc63lvd1024_in1>; + }; + }; + }; }; &ohci0 {
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2.7.4