[v1 3/4] arm64: ls1028aqds: Add support DP nodes for LS1028AQDS

[Wen He]

This patch add HDP PHY Controller related nodes on the LS1028AQDS.
Now LS1028AQDS on DP has following features:
- Supports 4 dp lane channel and lane mapping is 1-0-3-2.
- By default, the pixel link rate value's 27Mhz.
- By default, support the resoluions are 4k@60,1080p@60,720p@60,
480p@60. also user can specify any combination of monitor supported
resoluions by written in the node 'resoluion'.
- By default, the edid function is not in use.

Signed-off-by: Alison Wang <alison.wang@xxxxxxx>
Signed-off-by: Wen He <wen.he_1@xxxxxxx>
---
 arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts b/arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts
index b359068d9605..c8a92d4c4964 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts
@@ -153,3 +153,15 @@
 &sai1 {
 	status = "okay";
 };
+
+&hdp {
+	fsl,no_edid;
+	resolution = "3840x2160@60",
+		   "1920x1080@60",
+		   "1280x720@60",
+		   "720x480@60";
+	lane_mapping = <0x4e>;
+	edp_link_rate = <0x6>;
+	edp_num_lanes = <0x4>;
+	status = "okay";
+};
-- 
2.17.1