From cf976f660ee8ceeff53a722de6b0f2eef6610fc6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andreas=20F=C3=A4rber?= <afaerber@suse.de>
Date: Mon, 16 Oct 2017 02:59:37 +0200
Subject: [PATCH] arm64: dts: realtek: Add RTD1293 and Synology DS418j
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Add Device Trees for RTD1293 SoC and Synology DiskStation DS418j NAS.

Cc: info@synology.com
Signed-off-by: Andreas Färber <afaerber@suse.de>
---
 arch/arm64/boot/dts/realtek/Makefile          |  3 ++
 .../arm64/boot/dts/realtek/rtd1293-ds418j.dts | 30 +++++++++++
 arch/arm64/boot/dts/realtek/rtd1293.dtsi      | 51 +++++++++++++++++++
 3 files changed, 84 insertions(+)
 create mode 100644 arch/arm64/boot/dts/realtek/rtd1293-ds418j.dts
 create mode 100644 arch/arm64/boot/dts/realtek/rtd1293.dtsi

diff --git a/arch/arm64/boot/dts/realtek/Makefile b/arch/arm64/boot/dts/realtek/Makefile
index 90c897ac3f7a..e7ff40461ddc 100644
--- a/arch/arm64/boot/dts/realtek/Makefile
+++ b/arch/arm64/boot/dts/realtek/Makefile
@@ -1,4 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0-only
+
+dtb-$(CONFIG_ARCH_REALTEK) += rtd1293-ds418j.dtb
+
 dtb-$(CONFIG_ARCH_REALTEK) += rtd1295-mele-v9.dtb
 dtb-$(CONFIG_ARCH_REALTEK) += rtd1295-probox2-ava.dtb
 dtb-$(CONFIG_ARCH_REALTEK) += rtd1295-zidoo-x9s.dtb
diff --git a/arch/arm64/boot/dts/realtek/rtd1293-ds418j.dts b/arch/arm64/boot/dts/realtek/rtd1293-ds418j.dts
new file mode 100644
index 000000000000..b2dd583146b4
--- /dev/null
+++ b/arch/arm64/boot/dts/realtek/rtd1293-ds418j.dts
@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-2-Clause)
+/*
+ * Copyright (c) 2017 Andreas Färber
+ */
+
+/dts-v1/;
+
+#include "rtd1293.dtsi"
+
+/ {
+	compatible = "synology,ds418j", "realtek,rtd1293";
+	model = "Synology DiskStation DS418j";
+
+	memory@0 {
+		device_type = "memory";
+		reg = <0x0 0x40000000>;
+	};
+
+	aliases {
+		serial0 = &uart0;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+};
+
+&uart0 {
+	status = "okay";
+};
diff --git a/arch/arm64/boot/dts/realtek/rtd1293.dtsi b/arch/arm64/boot/dts/realtek/rtd1293.dtsi
new file mode 100644
index 000000000000..bd4e22723f7b
--- /dev/null
+++ b/arch/arm64/boot/dts/realtek/rtd1293.dtsi
@@ -0,0 +1,51 @@
+// SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-2-Clause)
+/*
+ * Realtek RTD1293 SoC
+ *
+ * Copyright (c) 2017-2019 Andreas Färber
+ */
+
+#include "rtd129x.dtsi"
+
+/ {
+	compatible = "realtek,rtd1293";
+
+	cpus {
+		#address-cells = <2>;
+		#size-cells = <0>;
+
+		cpu0: cpu@0 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a53";
+			reg = <0x0 0x0>;
+			next-level-cache = <&l2>;
+		};
+
+		cpu1: cpu@1 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a53";
+			reg = <0x0 0x1>;
+			next-level-cache = <&l2>;
+		};
+
+		l2: l2-cache {
+			compatible = "cache";
+		};
+	};
+
+	timer {
+		compatible = "arm,armv8-timer";
+		interrupts = <GIC_PPI 13
+			(GIC_CPU_MASK_RAW(0xf) | IRQ_TYPE_LEVEL_LOW)>,
+			     <GIC_PPI 14
+			(GIC_CPU_MASK_RAW(0xf) | IRQ_TYPE_LEVEL_LOW)>,
+			     <GIC_PPI 11
+			(GIC_CPU_MASK_RAW(0xf) | IRQ_TYPE_LEVEL_LOW)>,
+			     <GIC_PPI 10
+			(GIC_CPU_MASK_RAW(0xf) | IRQ_TYPE_LEVEL_LOW)>;
+	};
+};
+
+&arm_pmu {
+	interrupt-affinity = <&cpu0>, <&cpu1>;
+};