[PATCH 5/8] arm64: dts: allwinner: h616: Add TCON nodes to H616 DTSI

[Ryan Walklin]

From: Jernej Skrabec <jernej.skrabec at gmail.com>

The Allwinner H616 has a display pipeline similar to other Allwinner
devices, specifically the A10, but using a newer display engine
revision (DE33).

Not all output pins are exposed on all package variants, for example
only the H700 and T507 have LCD pins exposed, but all variants support
HDMI output. However on the die these are connected to a display engine
via a TCON TOP and one or more timing controllers (TCONs).

HDMI output support is not provided in this series (but will be in a
subsequent patch) so for now note this within the relevant node to
prevent a DT compiler error.

Add TCON nodes for the TOP, and the LCD and TV timing controllers. The
timing controllers are compatible with the existing R40 driver.

Signed-off-by: Jernej Skrabec <jernej.skrabec at gmail.com>
Signed-off-by: Ryan Walklin <ryan at testtoast.com>
---
 .../arm64/boot/dts/allwinner/sun50i-h616.dtsi | 133 ++++++++++++++++++
 1 file changed, 133 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h616.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h616.dtsi
index ab8b70ce7df89..242bac95840f8 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-h616.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h616.dtsi
@@ -7,9 +7,12 @@
 #include <dt-bindings/clock/sun50i-h616-ccu.h>
 #include <dt-bindings/clock/sun50i-h6-r-ccu.h>
 #include <dt-bindings/clock/sun6i-rtc.h>
+#include <dt-bindings/clock/sun8i-de2.h>
+#include <dt-bindings/clock/sun8i-tcon-top.h>
 #include <dt-bindings/reset/sun50i-h616-ccu.h>
 #include <dt-bindings/reset/sun50i-h6-r-ccu.h>
 #include <dt-bindings/thermal/thermal.h>
+#include <dt-bindings/reset/sun8i-de2.h>
 
 / {
 	interrupt-parent = <&gic>;
@@ -909,6 +912,136 @@ ohci3: usb at 5311400 {
 			status = "disabled";
 		};
 
+		tcon_top: tcon-top at 6510000 {
+			compatible = "allwinner,sun50i-h6-tcon-top";
+			reg = <0x06510000 0x1000>;
+			clocks = <&ccu CLK_BUS_TCON_TOP>,
+				 <&ccu CLK_TCON_TV0>;
+			clock-names = "bus", "tcon-tv0";
+			clock-output-names = "tcon-top-tv0";
+			#clock-cells = <0>;
+			resets = <&ccu RST_BUS_TCON_TOP>;
+
+			ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				tcon_top_mixer0_in: port at 0 {
+					#address-cells = <1>;
+					#size-cells = <0>;
+					reg = <0>;
+
+					tcon_top_mixer0_in_mixer0: endpoint at 0 {
+						reg = <0>;
+						remote-endpoint = <&mixer0_out_tcon_top_mixer0>;
+					};
+				};
+
+				tcon_top_mixer0_out: port at 1 {
+					#address-cells = <1>;
+					#size-cells = <0>;
+					reg = <1>;
+
+					tcon_top_mixer0_out_tcon_lcd0: endpoint at 0 {
+						reg = <0>;
+						remote-endpoint = <&tcon_lcd0_in_tcon_top_mixer0>;
+					};
+
+					tcon_top_mixer0_out_tcon_tv0: endpoint at 2 {
+						reg = <2>;
+						remote-endpoint = <&tcon_tv0_in_tcon_top_mixer0>;
+					};
+				};
+
+				tcon_top_hdmi_in: port at 4 {
+					#address-cells = <1>;
+					#size-cells = <0>;
+					reg = <4>;
+
+					tcon_top_hdmi_in_tcon_tv0: endpoint at 0 {
+						reg = <0>;
+						remote-endpoint = <&tcon_tv0_out_tcon_top>;
+					};
+				};
+
+				tcon_top_hdmi_out: port at 5 {
+					reg = <5>;
+
+					tcon_top_hdmi_out_hdmi: endpoint {
+						/* placeholder for HDMI  - remote-endpoint = <&hdmi_in_tcon_top>;*/
+					};
+				};
+			};
+		};
+		
+		tcon_lcd0: lcd-controller at 6511000 {
+			compatible = "allwinner,sun8i-r40-tcon-lcd";
+			reg = <0x06511000 0x1000>;
+			interrupts = <GIC_SPI 64 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&ccu CLK_BUS_TCON_LCD0>, <&ccu CLK_TCON_LCD0>;
+			clock-names = "ahb", "tcon-ch0";
+			clock-output-names = "tcon-data-clock";
+			#clock-cells = <0>;
+			resets = <&ccu RST_BUS_TCON_LCD0>, <&ccu RST_BUS_TCON_LCD1>;
+			reset-names = "lcd", "lvds";
+			status = "disabled";
+
+			ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				tcon_lcd0_in: port at 0 {
+					reg = <0>;
+
+					tcon_lcd0_in_tcon_top_mixer0: endpoint {
+						remote-endpoint = <&tcon_top_mixer0_out_tcon_lcd0>;
+					};
+				};
+
+				tcon_lcd0_out: port at 1 {
+					reg = <1>;
+				};
+			};
+		};
+		
+		tcon_tv0: lcd-controller at 6515000 {
+			compatible = "allwinner,sun50i-h6-tcon-tv",
+				     "allwinner,sun8i-r40-tcon-tv";
+			reg = <0x06515000 0x1000>;
+			interrupts = <GIC_SPI 66 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&ccu CLK_BUS_TCON_TV0>,
+				 <&tcon_top CLK_TCON_TOP_TV0>;
+			clock-names = "ahb", "tcon-ch1";
+			#clock-cells = <0>;
+			resets = <&ccu RST_BUS_TCON_TV0>;
+			reset-names = "lcd";
+			status = "disabled";
+
+			ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				tcon_tv0_in: port at 0 {
+					reg = <0>;
+
+					tcon_tv0_in_tcon_top_mixer0: endpoint {
+						remote-endpoint = <&tcon_top_mixer0_out_tcon_tv0>;
+					};
+				};
+
+				tcon_tv0_out: port at 1 {
+					#address-cells = <1>;
+					#size-cells = <0>;
+					reg = <1>;
+
+					tcon_tv0_out_tcon_top: endpoint at 1 {
+						reg = <1>;
+						remote-endpoint = <&tcon_top_hdmi_in_tcon_tv0>;
+					};
+				};
+			};
+		};
+
 		rtc: rtc at 7000000 {
 			compatible = "allwinner,sun50i-h616-rtc";
 			reg = <0x07000000 0x400>;
-- 
2.48.1