arm64: dts: lito: Define simple framebuffer using bootloader handoff

The bootloader sets this framebuffer up and hands it off during boot, so
we can use it for early graphics.

Signed-off-by: Danny Lin <danny@kdrag0n.dev>

arch/arm64/boot/dts/vendor/qcom/lito.dtsi

@@ -44,6 +44,7 @@
 		swr2 = &swr2;
 		sdhc1 = &sdhc_1; /* SDC1 eMMC slot */
 		sdhc2 = &sdhc_2; /* SDC2 SD Card slot */
+		display0 = &framebuffer0;
 	};
 
 	cpus {
@@ -478,6 +479,9 @@
 		};
 
 		cont_splash_memory: cont_splash_region {
+			compatible = "removed-dma-pool";
+			no-map;
+			// Used for framebuffer0
 			reg = <0x0 0xA0000000 0x0 0x02300000>;
 			label = "cont_splash_region";
 		};
@@ -500,7 +504,24 @@
 	};
 
 	chosen {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		stdout-path = "display0";
 		bootargs = "rcu_nocbs=0-7";
+
+		framebuffer0: framebuffer@a0000000 {
+			compatible = "simple-framebuffer";
+			// Address and size values from cont_splash_region
+			reg = <0x0 0xa0000000 0x0 0x02300000>;
+			// Normal display resolution
+			width = <1080>;
+			height = <2340>;
+			// Replace 1080 with width
+			stride = <(1080 * 4)>;
+			format = "a8r8g8b8";
+		};
 	};
 
 	soc: soc { };