[PATCH 3/3] arm64: dts: nuvoton: Add initial support for MA35D1

From: Jacky Huang <ychuang3@nuvoton.com>
To: <linux-kernel@vger.kernel.org>, <devicetree@vger.kernel.org>,
	<linux-clk@vger.kernel.org>,
	<linux-arm-kernel@lists.infradead.org>
Cc: <robh+dt@kernel.org>, <sboyd@kernel.org>, <krzk+dt@kernel.org>,
	<arnd@arndb.de>, <olof@lixom.net>, <soc@kernel.org>,
	<cfli0@nuvoton.com>, Jacky Huang <ychuang3@nuvoton.com>
Subject: [PATCH 3/3] arm64: dts: nuvoton: Add initial support for MA35D1
Date: Thu, 31 Mar 2022 10:42:56 +0800	[thread overview]
Message-ID: <20220331024256.14762-4-ychuang3@nuvoton.com> (raw)
In-Reply-To: <20220331024256.14762-1-ychuang3@nuvoton.com>

Add the initial device tree files for Nuvoton MA35D1 Soc.

Signed-off-by: Jacky Huang <ychuang3@nuvoton.com>
---
 arch/arm64/boot/dts/Makefile               |   1 +
 arch/arm64/boot/dts/nuvoton/Makefile       |   2 +
 arch/arm64/boot/dts/nuvoton/ma35d1-evb.dts |  23 +++++
 arch/arm64/boot/dts/nuvoton/ma35d1.dtsi    | 106 +++++++++++++++++++++
 4 files changed, 132 insertions(+)
 create mode 100644 arch/arm64/boot/dts/nuvoton/Makefile
 create mode 100644 arch/arm64/boot/dts/nuvoton/ma35d1-evb.dts
 create mode 100644 arch/arm64/boot/dts/nuvoton/ma35d1.dtsi

diff --git a/arch/arm64/boot/dts/Makefile b/arch/arm64/boot/dts/Makefile
index 1ba04e31a438..87e9bda91276 100644
--- a/arch/arm64/boot/dts/Makefile
+++ b/arch/arm64/boot/dts/Makefile
@@ -31,3 +31,4 @@ subdir-y += tesla
 subdir-y += ti
 subdir-y += toshiba
 subdir-y += xilinx
+subdir-y += nuvoton
diff --git a/arch/arm64/boot/dts/nuvoton/Makefile b/arch/arm64/boot/dts/nuvoton/Makefile
new file mode 100644
index 000000000000..e1e0c466bf5e
--- /dev/null
+++ b/arch/arm64/boot/dts/nuvoton/Makefile
@@ -0,0 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0
+dtb-$(CONFIG_ARCH_NUVOTON) += ma35d1-evb.dtb
diff --git a/arch/arm64/boot/dts/nuvoton/ma35d1-evb.dts b/arch/arm64/boot/dts/nuvoton/ma35d1-evb.dts
new file mode 100644
index 000000000000..38e4f734da0f
--- /dev/null
+++ b/arch/arm64/boot/dts/nuvoton/ma35d1-evb.dts
@@ -0,0 +1,23 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Device Tree Source for MA35D1 Evaluation Board (EVB)
+ *
+ * Copyright (C) 2021 Nuvoton Technology Corp.
+ */
+
+/dts-v1/;
+#include "ma35d1.dtsi"
+
+/ {
+	model = "Nuvoton MA35D1-EVB";
+
+	chosen {
+		bootargs = "console=ttyS0,115200n8";
+	};
+
+	memory@80000000 {
+		device_type = "memory";
+		reg = <0x00000000 0x80000000 0 0x10000000>;
+	};
+};
+
diff --git a/arch/arm64/boot/dts/nuvoton/ma35d1.dtsi b/arch/arm64/boot/dts/nuvoton/ma35d1.dtsi
new file mode 100644
index 000000000000..76e47517d80d
--- /dev/null
+++ b/arch/arm64/boot/dts/nuvoton/ma35d1.dtsi
@@ -0,0 +1,106 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2022 Nuvoton Technology Corp.
+ */
+
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/clock/nuvoton,ma35d1-clk.h>
+
+/ {
+	compatible = "nuvoton,ma35d1";
+	interrupt-parent = <&gic>;
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		cpu-map {
+			cluster0 {
+				core0 {
+					cpu = <&cpu0>;
+				};
+				core1 {
+					cpu = <&cpu1>;
+				};
+			};
+		};
+		cpu0: cpu@0 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a35";
+			reg = <0x0>;
+			enable-method = "psci";
+			next-level-cache = <&L2_0>;
+		};
+		cpu1: cpu@1 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a35";
+			reg = <0x1>;
+			enable-method = "psci";
+			next-level-cache = <&L2_0>;
+		};
+		L2_0: l2-cache0 {
+			compatible = "cache";
+			cache-level = <2>;
+		};
+	};
+
+	psci {
+		compatible = "arm,psci-0.2";
+		method = "smc";
+	};
+
+	timer {
+		compatible = "arm,armv8-timer";
+		interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) |
+					  IRQ_TYPE_LEVEL_LOW)>,
+			     <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(4) |
+					  IRQ_TYPE_LEVEL_LOW)>,
+			     <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(4) |
+					  IRQ_TYPE_LEVEL_LOW)>,
+			     <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(4) |
+					  IRQ_TYPE_LEVEL_LOW)>;
+		clock-frequency = <12000000>;
+	};
+
+	sys: system-controller@40460000 {
+		compatible = "nuvoton,ma35d1-sys", "syscon", "simple-mfd";
+		reg = <0x40460000 0x400>;
+	};
+
+	reset: reset-controller {
+		compatible = "nuvoton,ma35d1-reset";
+		nuvoton,ma35d1-sys = <&sys>;
+		#reset-cells = <1>;
+	};
+
+	clk: clock-controller@40460200 {
+		compatible = "nuvoton,ma35d1-clk";
+		reg = <0x40460200 0x100>;
+		#clock-cells = <1>;
+		assigned-clocks = <&clk DDRPLL>,
+				  <&clk APLL>,
+				  <&clk EPLL>,
+				  <&clk VPLL>;
+		assigned-clock-rates = <266000000>,
+				       <180000000>,
+				       <500000000>,
+				       <102000000>;
+		clock-pll-mode = <1>, <0>, <0>, <0>;
+	};
+
+	gic: interrupt-controller@50800000 {
+		compatible = "arm,gic-400";
+		#interrupt-cells = <3>;
+		interrupt-parent = <&gic>;
+		interrupt-controller;
+		reg = <0x50801000 0x1000>,
+		      <0x50802000 0x2000>,
+		      <0x50804000 0x2000>,
+		      <0x50806000 0x2000>;
+		interrupts = <GIC_PPI 9 (GIC_CPU_MASK_RAW(0x13) |
+					 IRQ_TYPE_LEVEL_HIGH)>;
+	};
+};
-- 
2.30.2

