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-rw-r--r--dts/src/arm/versatile-ab.dts83
1 files changed, 81 insertions, 2 deletions
diff --git a/dts/src/arm/versatile-ab.dts b/dts/src/arm/versatile-ab.dts
index 4a51612..5f61d36 100644
--- a/dts/src/arm/versatile-ab.dts
+++ b/dts/src/arm/versatile-ab.dts
@@ -30,6 +30,43 @@
clock-frequency = <24000000>;
};
+ bridge {
+ compatible = "ti,ths8134b", "ti,ths8134";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+
+ vga_bridge_in: endpoint {
+ remote-endpoint = <&clcd_pads_vga_dac>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+
+ vga_bridge_out: endpoint {
+ remote-endpoint = <&vga_con_in>;
+ };
+ };
+ };
+ };
+
+ vga {
+ compatible = "vga-connector";
+
+ port {
+ vga_con_in: endpoint {
+ remote-endpoint = <&vga_bridge_out>;
+ };
+ };
+ };
+
core-module@10000000 {
compatible = "arm,core-module-versatile", "syscon", "simple-mfd";
reg = <0x10000000 0x200>;
@@ -230,7 +267,39 @@
reg = <0x10120000 0x1000>;
interrupts = <16>;
clocks = <&osc1>, <&pclk>;
- clock-names = "clcd", "apb_pclk";
+ clock-names = "clcdclk", "apb_pclk";
+ /* 800x600 16bpp @ 36MHz works fine */
+ max-memory-bandwidth = <54000000>;
+
+ /*
+ * This port is routed through a PLD (Programmable
+ * Logic Device) that routes the output from the CLCD
+ * (after transformations) to the VGA DAC and also an
+ * external panel connector. The PLD is essential for
+ * supporting RGB565/BGR565.
+ *
+ * The signals from the port thus reaches two endpoints.
+ * The PLD is managed through a few special bits in the
+ * FPGA "sysreg".
+ *
+ * This arrangement can be clearly seen in
+ * ARM DUI 0225D, page 3-41, figure 3-19.
+ */
+ port@0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ clcd_pads_panel: endpoint@0 {
+ reg = <0>;
+ remote-endpoint = <&panel_in>;
+ arm,pl11x,tft-r0g0b0-pads = <0 8 16>;
+ };
+ clcd_pads_vga_dac: endpoint@1 {
+ reg = <1>;
+ remote-endpoint = <&vga_bridge_in>;
+ arm,pl11x,tft-r0g0b0-pads = <0 8 16>;
+ };
+ };
};
sctl@101e0000 {
@@ -319,8 +388,18 @@
ranges = <0 0x10000000 0x10000>;
sysreg@0 {
- compatible = "arm,versatile-sysreg", "syscon";
+ compatible = "arm,versatile-sysreg", "syscon", "simple-mfd";
reg = <0x00000 0x1000>;
+
+ panel: display@0 {
+ compatible = "arm,versatile-tft-panel";
+
+ port {
+ panel_in: endpoint {
+ remote-endpoint = <&clcd_pads_panel>;
+ };
+ };
+ };
};
aaci@4000 {