[PATCH 03/10] ARM: dts: Augment VGA connector bridge on Realview EB
Linus Walleij
linus.walleij at linaro.org
Sun Mar 11 13:53:00 UTC 2018
The PL111 in the ARM reference platforms are connected to
"panels" that are actually dumb VGA DAC connector bridges.
Now that we can support the proper bridges in the DRM driver,
fix this up.
Cc: Liviu Dudau <liviu.dudau at arm.com>
Cc: Mali DP Maintainers <malidp at foss.arm.com>
Signed-off-by: Linus Walleij <linus.walleij at linaro.org>
---
arch/arm/boot/dts/arm-realview-eb.dtsi | 64 +++++++++++++++++++++-------------
1 file changed, 40 insertions(+), 24 deletions(-)
diff --git a/arch/arm/boot/dts/arm-realview-eb.dtsi b/arch/arm/boot/dts/arm-realview-eb.dtsi
index e2e9599596e2..a917cf8825ca 100644
--- a/arch/arm/boot/dts/arm-realview-eb.dtsi
+++ b/arch/arm/boot/dts/arm-realview-eb.dtsi
@@ -143,6 +143,43 @@
port1-otg;
};
+ bridge {
+ compatible = "ti,ths8134a", "ti,ths8134";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port at 0 {
+ reg = <0>;
+
+ vga_bridge_in: endpoint {
+ remote-endpoint = <&clcd_pads>;
+ };
+ };
+
+ port at 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>;
+ };
+ };
+ };
+
/* These peripherals are inside the FPGA */
fpga {
#address-cells = <1>;
@@ -409,36 +446,15 @@
interrupt-names = "combined";
clocks = <&oscclk0>, <&pclk>;
clock-names = "clcdclk", "apb_pclk";
+ /* 1024x768 16bpp @65MHz works fine */
+ max-memory-bandwidth = <95000000>;
port {
clcd_pads: endpoint {
- remote-endpoint = <&clcd_panel>;
+ remote-endpoint = <&vga_bridge_in>;
arm,pl11x,tft-r0g0b0-pads = <0 8 16>;
};
};
-
- panel {
- compatible = "panel-dpi";
-
- port {
- clcd_panel: endpoint {
- remote-endpoint = <&clcd_pads>;
- };
- };
-
- /* Standard 640x480 VGA timings */
- panel-timing {
- clock-frequency = <25175000>;
- hactive = <640>;
- hback-porch = <48>;
- hfront-porch = <16>;
- hsync-len = <96>;
- vactive = <480>;
- vback-porch = <33>;
- vfront-porch = <10>;
- vsync-len = <2>;
- };
- };
};
};
};
--
2.14.3
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