ARM: dts: vt8500: Add VIA APC Rock/Paper board

APC Rock is a development board based on WonderMedia WM8590 released
around 2013. Paper is the same board, but with the VGA port left
unpopulated, and shipped with a recycled cardboard case

Its hardware includes:
* Single-core Cortex-A9 CPU at 800 MHz
* 512MB DDR3 RAM
* 4GB NAND flash
* 8MB SPI NOR flash
* ARM Mali-400 GPU
* HDMI output (type A) capable of 1080p
* VGA output (on Rock, but not on Paper)
* 2x USB 2.0 type A
* 1x USB 2.0 OTG (microUSB connector)
* microSD slot
* 10/100M Ethernet
* 3.5mm minijack connector with combined headphones/mic
* Half-height miniPCIe slot (with only USB 2.0 signals)

Signed-off-by: Alexey Charkov <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Krzysztof Kozlowski <[email protected]>

Author: alchark

arch/arm/boot/dts/vt8500/Makefile

@@ -4,4 +4,5 @@ dtb-$(CONFIG_ARCH_VT8500) += \
 	wm8505-ref.dtb \
 	wm8650-mid.dtb \
 	wm8750-apc8750.dtb \
-	wm8850-w70v2.dtb
+	wm8850-w70v2.dtb \
+	wm8950-apc-rock.dtb

arch/arm/boot/dts/vt8500/wm8950-apc-rock.dts

@@ -0,0 +1,21 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (C) 2025 Alexey Charkov <[email protected]>
+ */
+
+/dts-v1/;
+/include/ "wm8950.dtsi"
+
+/ {
+	model = "VIA APC Rock";
+	compatible = "via,apc-rock", "wm,wm8950";
+
+	memory@0 {
+		device_type = "memory";
+		reg = <0x0 0x20000000>;
+	};
+};
+
+&uart0 {
+	status = "okay";
+};

arch/arm/boot/dts/vt8500/wm8950.dtsi

@@ -0,0 +1,11 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (C) 2025 Alexey Charkov <[email protected]>
+ */
+
+/* No differences have been discovered vs. WM8850, but chip markings differ */
+/include/ "wm8850.dtsi"
+
+/ {
+	compatible = "wm,wm8950";
+};